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295results about How to "Demonstrate flexibility" patented technology

Searchable encryption method supporting multiple users in cloud storage

The invention discloses a searchable encryption method supporting multiple users in cloud storage. The method comprises the following steps: encrypting and decrypting files through a symmetrical encryption algorithm; encrypting key words trough a symmetrical searchable encryption scheme and generating a trap door; solving the problems of dynamic management of authorized users and file access control in the traditional multiuser searchable encryption technology through a method of adding access rights to users. The method realizes direct retrieval of ciphertext, improves the efficiency and the security, improves the file retrieval efficiency, realizes the access right control of files, and realizes dynamic adding and deleting of users.
Owner:NANJING UNIV OF POSTS & TELECOMM

System and method for real-time language translation service

The invention discloses a system for real-time language translation service. The system is used for serving supply and requisitioning parties needing language translation and comprises a service module, a communication module and client modules, wherein the service module is used for crowdsourcing human translation and performing user management; the communication module is used for instantly transmitting information among the client modules in an instant messaging and / or P2P (Peer-to-Peer) mode; the client modules are used for accessing a crowdsourcing management module; the client modules are used for inputting and outputting translation requests and translation results and providing user interaction and self services; the communication module is respectively connected with the service module and the client module. The invention also discloses a method for the real-time service of the language translation. On the one hand, the invention provides a language translation tool with the advantages of good accuracy, real time, good convenience and flexibility as well as low price for the public; on the other hand, the invention provides a platform by which personal translation competence for language is fully exerted to help others and corresponding rewards or remuneration is got for the public. According to the system and the method disclosed by the invention, professional needs and daily needs of the public can be met.
Owner:刘龙

Long-span reinforced concrete inner support structure of rectangular deep foundation pit and construction method of structure

The invention discloses a long-span reinforced concrete inner support structure of a rectangular deep foundation pit, which comprises a foundation pit edge breast wall retaining structure, a plurality of layers of inner support three-dimensional timbering structures with steel structure support columns, and a top beam, wherein each inner support three-dimensional timbering structure comprises a foundation pit corner part structure, a foundation pit middle part symmetrical and opposite support structure, and longitudinal beams; each foundation pit middle part symmetrical and opposite support structure comprises a cross beam and two small inclined struts positioned at the two ends of the cross beam; the longitudinal beams are beams which are parallel to long edges of the foundation pit and are positioned at the middle part of the foundation pit; the steel support columns directly reach below the bottom of the foundation pit; the bottoms of the steel structure support columns are anchored by placed concrete; ring beams are arranged at parts where the cross beams, the longitudinal beams and the steel structure support columns at the middle part of the foundation pit are intersected; a support waist beam is arranged at a connection part between the inner support three-dimensional timbering structure and the middle part of the foundation pit edge breast wall retaining structure; and the cross beams, longitudinal beams, the ring beams and the waist beam of the inner support three-dimensional timbering structure are reinforced concrete or combined type large steel frame structures. The inner support structure is simple and visual in design, convenient to construct, large in support span, and significant in timbering effect.
Owner:广西建工第五建筑工程集团有限公司

Free space MIMO optical communication system based on vertical demixing time space

The present invention discloses a free space MIMO optical communication system based on the vertical layered space-time coding, wherein the free space MIMO optical communication system comprises a transmission terminal system and a receiving terminal system. The transmission terminal system comprises an information source, a distributing device, a layered space-time coder, a modulating and driving circuit array, a laser array and an optical transmission antenna array which are connected in series. The receiving terminal system comprises a channel estimator, and an optical receiving antenna array, a detector array, a linear decision feedback equalizer, a layered space-time coder / decoder, a multiplexer and an information sink which are connected in series. The optical transmission antenna array is composed of a plurality of pairs of parallel transmission antennae which are independent from each other. The optical receiving antenna array is composed of a plurality of pairs of optical receiving antennae which are independent from each other. The number of the optical receiving antennae is larger than or equal to that of the transmission antennae. The system according to the invention increases the speed of the communication code and the information flow-rate of the system. The communication is not affected by the atmosphere random channel.
Owner:XIAN UNIV OF TECH

Testing system of cutting force and torque loading reliability of numerical control turret power knife rest

The invention discloses a testing system of cutting force and torque loading reliability of a numerical control turret power knife rest, which comprises a supporting part and a loading part. The supporting part comprises a numerical control turret power knife rest supporting part, a cutting force loading supporting part and a torque loading supporting part. The numerical control turret power knife rest supporting part is fixed at left side below a floor iron, and the torque loading supporting part is located at the right side below the floor iron. The loading part comprises a dynamic cutting force loading part, a cutting torque loading part and a loading bar. The dynamic cutting force loading part is connected with a rotating plate in the cutting force loading supporting part through a 2# sliding plate. The cutting torque loading part comprises an eddy current dynamometer and an elastic coupler. The eddy current dynamometer is installed on a 3# pedestal, the output end of the eddy current dynamometer is connected with the elastic coupler, the elastic coupler is connected with a right end key of the loading bar sleeved with a bearing loading unit, and the left end of the loading bar is fixedly connected with the right end of a power knife seat on the measured numerical control turret power knife rest.
Owner:JILIN UNIV

Grid heterogeneous data integrating method based on SOA

The invention requests for the protection of a grid heterogeneous data integrating method based on SOA, which relates to a software system technology. On the basis of service-oriented basic thought, a heterogeneous data integrating framework and a method which are based on grid service are provided. The method can transparently access heterogeneous data and enable each layer of the heterogeneous data integrating framework to have low coupling performance. The heterogeneous data integrating framework is combined with the MVC flow chart of struts to develop an information management system (IMS) which can not only ensure the flexible and dynamic change of data sources but also enable users to obtain a response in time. The grid heterogeneous data integrating method based on SOA can meet the requirements of the prior information management system, needs lower hardware cost, and can query mass heterogeneous data. The round-trip time, the CPU occupancy, and the like needed by the grid heterogeneous data integrating method for accessing a database are superior to those of the prior data integrating method.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Machine tool electrical spindle reliability testing stand centering adjusting device

The invention aims to solve technical problems so as to eliminate harmful influences that misalignment generates additional force, torque, vibration and the like on a to-be-tested electrical spindle in the machine tool electrical spindle reliability testing, and provides a machine tool electrical spindle reliability testing stand centering adjusting device. The machine tool electrical spindle reliability testing stand centering adjusting device comprises horizon iron, a control cabinet and a dynamometer which is used for loading simulated cutting torque on a to-be-tested electrical spindle. An input shaft of the dynamometer is in coaxial key joint with the to-be-tested electrical spindle through an elastic membrane shaft coupling. The machine tool electrical spindle reliability testing stand centering adjusting device is characterized by also comprising a rotating table, an X-Z working table, a lifting platform and a pitching working table. The machine tool electrical spindle reliability testing stand centering adjusting device can timely adjust five degree of freedom of any type of misalignment, eliminates harmful influences caused by misalignment between the to-be-tested electrical spindle and the input shaft of the dynamometer, is suitable for different types of machine tool electrical spindles and mechanical spindles and other equipment with high misalignment error requirements, and has high versatility and flexibility.
Owner:JILIN UNIV

Method of monitoring aircraft state through ACARS (Aircraft Communication Addressing and Reporting System) data chain

The invention provides a method of monitoring an aircraft state through an ACARS (Aircraft Communication Addressing and Reporting System) data chain. An aircraft state monitoring application module is arranged in a communication management unit (CMU) in a software form under a system structure of using the CMU as an onboard ACARS data chain application terminal. The aircraft state monitoring application module sequentially executes the following four operations of aircraft information processing, message encapsulating, data compressing and information encoding so as to generate an aircraft state monitoring report. A data chain application module provides application services such as airline operational communication (AOC), aeronautical administrative communication (AAC) and air traffic service (ATS), and the data chain application module can manually and automatically generate an application report. An ACARS protocol module encapsulates the application report from the data chain application module and the aircraft state monitoring report from the aircraft state monitoring application module to ACARS messages and sends the ACARS messages to a communication subnet interface module. The communication subnet interface module of the communication management unit is connected with a plurality of very-high-frequency VDRs (Video Disk Recorder), satellite data units (SDU) and a plurality of short-wave HFDRs. By means of the method, a ground terminal can recover the flight process of an aircraft according to the received aircraft state monitoring report so as to monitor the aircraft state and remotely diagnose failures.
Owner:10TH RES INST OF CETC

Intelligent agricultural plant protection operation control system based on big data Internet of Things

The invention discloses an intelligent agricultural plant protection operation control system based on big data Internet of Things. The intelligent agricultural plant protection operation control system comprises a regional image acquisition module, an image preprocessing module, a planting region division module, a crop resource database, a regional area statistics module, a regional plant density analysis module, a GPS tracking and positioning module, an unmanned aerial vehicle control terminal, a data management server and an operation height detection module. According to the intelligent agricultural plant protection operation control system, through using the regional image acquisition module and the planting region division module, crop types in a crop mixed planting region are identified and crop planting sub-regions are divided; by combining the regional area statistics module and the regional plant density analysis module, the pesticide spraying amount of each crop planting sub-region is counted; and pesticide spraying operation is executed by means of a pesticide spraying control terminal, effective pesticide spraying can be conducted on the crop mixed planting region, the operation scene of a plant protection unmanned aerial vehicle is expanded, and the technical level of plant protection is improved.
Owner:ANHUI YOUJILIANGZHUANG AGRI TECH DEV CO LTD

Game theory-based power control method of multi-antenna CDMA system

A solving method of the power control based on the game theory in the multi-antenna code division multiple access system is disclosed, wherein a game function based on the receiving end average bit error rate is designed, to realize the minimum of the user union transmitting power and the bit error rate, meanwhile, a punishment mechanism is inducted based on the link quality and the transmitting power to solve the 'far and near effect' in the CDMA system, and the punishment factor is adjusted real-time according to the different operation requirement. Each user performs the precoding treatment on the signal, divides the signal at the receiving end into N branches for processing. Each branch is multiplied by a receiving vector corresponding to the precoding vector, to cause the information update only depending on the feedback of part channel state information. The transmitting power and the signal to interference and noise ratio of each iteration by the user is computed, and the feasibility judgement is completed, till the obtained transmitting power through two times of iteration by the user satisfies that the 2-norm is smaller than the given small number after being adjusted continuously, the algorithm jumps out of the iteration cycle.
Owner:PLA UNIV OF SCI & TECH

Reliability test device and reliability test method for numerical control machine hydraulic system

The invention discloses a reliability test device and a reliability test method for a numerical control machine hydraulic system, and aims to solve the problem that the numerical control machine hydraulic system is free of reliability test device and reliability test method. The reliability test device for the numerical control machine hydraulic system comprises a mounting part of a tested hydraulic system, an analog loading part and an automatic control part, wherein a first hydraulic cylinder branch circuit of a confluence plate of the mounting part of the tested hydraulic system is connected with a hydraulic cylinder rodless cavity oil pipe of the analog loading part, and a second hydraulic cylinder branch circuit of the confluence plate is connected with a hydraulic cylinder rod cavity oil pipe; a lower programmable logic controller (PLC) of the automatic control part is connected with a first three-position four-way electromagnetic reversing valve, a second three-position four-way electromagnetic reversing valve, a third three-position four-way electromagnetic reversing valve and a fourth three-position four-way electromagnetic reversing valve of the mounting part of the tested hydraulic system through electric wires; an A / D acquisition card of the automatic control part is connected with a pressure sensor and a pull pressure sensor through electric wires. The invention further provides a reliability test method for the tested hydraulic system.
Owner:吉林大学重庆研究院

Novel bandwidth allocation algorithm based on OFDM-PON

The invention discloses a dynamic bandwidth allocation algorithm applied to an OFDM-PON (Orthogonal Frequency Division Multiplexing-Passive Optical Network) system and belongs to optical fiber communication systems. The invention utilizes an interruption application response method to realize the bandwidth request and allocation; a plurality of subcarriers in the system are divided into three parts, namely, a communication channel control part, an ONU (Optical Network Unit) default bandwidth part and a part stored in a dynamic pool; when the load on the link is light, each ONU compares respective local flow with local threshold value so as to decide whether an interruption application for extra bandwidth is started; and when the load on the link is heavy, an OLT (Optical Line Terminal) allocates the surplus subcarriers based on the requiring ratio of the ONUs under the condition that the rated bandwidth of the ONUs is met firstly, so as to realize dynamic allocation. The invention ensures low time delay and low package loss rate of a high priority service, also performs bandwidth allocation as required, and can meet the equal allocation between the ONUs and the equal-level priority service when the load of link service flow is heavy.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Orthogonal frequency division multiple access relay system resource allocation method based on game theory

The invention discloses a resource allocation method comprehensively considering trunk node selection, subcarrier pairing and power control, which is based on the solution of orthogonal frequency division multiple access relay system resource allocation of a game theory. The trunk nodes divide equivalent channel gain obtained by calculation into quantized intervals, and feed back the serial number of the quantized interval to which the trunk node belongs, thereby ensuring that cooperative node selection can be determined through less bit information interchange. A base station firstly allocates the subcarrier of each trunk node for the second jump, and then the trunk nodes select a user node. Subcarriers of two jumps are matched by using megamerger as the purpose, and the maximum flow and minimum division theory are utilized to determine the transmitted power on corresponding subcarrier when trunk nodes are forwarded. Particularly, a speed utility function based on unit power is established, a price mechanism based on link quality and transmitted power is introduced, and price factors can be adjusted in real time according to different service requirements, thereby realizing the optimized allocation of transmitted power of user nodes on each selected subcarriers.
Owner:PLA UNIV OF SCI & TECH +1

Testbed of mixed loading servo drive system reliability

The invention discloses a testbed of mixed loading servo drive system reliability. The testbed solves the problems that a loading mode in the prior art is simple and cannot reflect the actual working conditions of a servo drive system. The testbed comprises a servo motor supporting part, an inertia loading part, a torque loading part, a vibration temperature-humidity loading part and an automatic control part. The servo motor supporting part is arranged on the left side of a horizontal iron (1), the inertia loading part is arranged on the position, on the right side of the servo motor supporting part, of the horizontal iron (1), and the torque loading part is arranged on the position, on the right side of the inertia loading part, of the horizontal iron (1). A servo motor (11) to be tested is connected with a left-end coupling of a stepped shaft (8) of the inertia loading part, the right end of the stepped shaft (8) of the inertia loading part is connected with an output shaft coupling of a dynamometer machine (2) of the torque loading part, and the RS-232C port of the vibration temperature-humidity loading part is connected with the RS-232C port of an industrial personal computer (13) of the automatic control part through wires.
Owner:JILIN UNIV

Code segment generation method and device, storage medium and computer device

The invention relates to the technical field of computers, in particular to a code segment generation method and device, a storage medium and a computer device. The code segment generation method comprises: acquiring demand information generated by codes, and calling and displaying a code parameter configuration interface according to the demand information; setting a function module and a code parameter module corresponding to the demand information on the code parameter configuration interface; receiving a code function selected by a user on the function module and a code processing parameter input on the code parameter module, and generating a configuration file according to the code function and the code processing parameter; and when a code generation instruction is received, readinga code function in the configuration file, calling a bottom-layer code associated with the code function from a database, and generating a target code segment from the bottom-layer code according to the rule of the code processing parameter. According to the scheme provided by the invention, personalized customization of the target code segment can be realized.
Owner:PING AN TECH (SHENZHEN) CO LTD

System for extracting urban grid management space information

The invention discloses a space information extracting system in urban grid management, consisting of a grid unit, a grid cutting unit, a space information extraction unit, a grid attribute information displaying and statistical unit and a grid attribute information management and outputting unit. The system adopts a secondary development technology of AE plus VB.net, generates an installation program by packing, can run independently in a Windows operation system and is convenient in operation and easy in popularization. The system can extract space data with Arcgis format by diversity space attribute data extracting technology, and provide technical support for the establishment of database in the urban grid management work so as to lead the collecting and inputting of the space data to be more efficient and accurate, thereby saving the cost for establishing the grid space database and shortening the establishing period.
Owner:NANJING UNIV

Distributed type power supply parameter monitoring method and system based on GPRS/GIS

The invention relates to a distributed type power supply parameter monitoring method and system based on a GPRS / GIS. The system comprises a remote collection terminal, a GPRS / SMS data communication unit and a distributed type power supply monitoring center, and the remote collection terminal is in data communication with the distributed type power supply monitoring center through the GPRS / SMS data communication unit. The method and system can finish integration of GIS spatial data and telemetry and telecontrol relational data, and the target of the distributed type power supply parameter online monitoring system is achieved; the system regards a public wireless data communication mode as a data transmission means, telemetry and telecontrol are achieved with a low cost, and meanwhile the system flexibility and adaptability are represented; the system achieves online detection on distributed type power supply parameter change situations, working states of distributed type power supplies can be monitored at any time in a remote monitoring mode, the whole distributed type power supply system can be in the optimal working state with assistance of an auxiliary decision and analysis system, and the monitoring function is played to the maximum extent.
Owner:LIAONING UNIVERSITY OF TECHNOLOGY

System bandwidth self-adaptive adjusting method in long term evolution system

ActiveCN101754282AReduce the impact of co-channel interferenceReduce multiplexingEnergy efficient ICTNetwork traffic/resource managementSelf adaptiveDistributed computing
The invention discloses a system bandwidth self-adaptive adjusting method in a long term evolution system, which comprises the following steps of: a, counting resource conditions practically used by the system; b, periodically triggering comparison with the resource occupying threshold set by the system according to the resource conditions practically used by the system, and judging system bandwidth occupied by the resource; and c, changing the system bandwidth. In the premise of meeting business demand of users in a cell, the system bandwidth self-adaptive adjusting method in the long term evolution system of the invention can increase and decrease bandwidth according to increase and decrease of quantity of system online users correspondingly so as to meet different business quality requirements on users, reduce multiplexing odds of adjacent cell frequencies, decrease interference to users in the adjacent cells, and is particularly suitable for use in communication systems with variable bandwidth and same frequency interference.
Owner:ZTE CORP

Unstructured data management method and device based on AI (Artificial Intelligence)

The invention discloses an unstructured data management method and device based on AI (Artificial Intelligence). The method comprises the following steps that: through HDFS (Hadoop Distributed File System), HBase and Nosql, storing a large scale of unstructured data objects; through an AI intelligence algorithm, extracting data features from the unstructured data objects, in addition, storing theextracted data features in an external table, and constructing an unstructured data model; and using an SQL (Structured Query Language) to retrieve the feature table of the unstructured data object, and realizing the management of the unstructured data, wherein the model is used for carrying out similarity search on the unstructured data. By use of the method, the query accuracy and the expansibility of the unstructured data can be effectively improved, the core data feature value extraction of the unstructured data is realized, the unstructured data can be conveniently identified, retrieved and used, and the diversity and the flexibility of value added service are fully embodied.
Owner:BEIJING UNIV OF POSTS & TELECOMM +1

Method and system for testing software

The invention discloses a method and a system for testing software, wherein the method comprises the steps as follows: a. determining a normality level corresponding to a tested item according to a received normality level instruction from a user; b. obtaining a first test activity set corresponding to the normality level; obtaining test processes formed by the first test activity set; according to the test processes, testing the software; c. during test process, after finishing executing working elements, generating document elements corresponding to the working elements; and d. according toa test document, generating instruction, obtaining a previously selected document template corresponding to the test activity in the first test activity set; filling the generated document elements into the corresponding positions of the document template; and generating a test document and saving the test document. The method not only can be widely applied to testing various required software items, but also can automatically generate required documents according to practical requirements.
Owner:AGRICULTURAL BANK OF CHINA

Shipboard aircraft sortierecovery online scheduling method based on deep reinforcement learning

The invention discloses a shipboard aircraft sortierecovery online scheduling method based on deep reinforcement learning, relates to the field of shipboard aircraft departure recovery scheduling, andsolves the problem of large-scale shipboard aircraft departure recovery online scheduling on an aircraft carrier deck. According to the method, a shipboard aircraft launch recovery scheduling model is constructed by abstracting a launch recovery process into a Markov decision process, a current state of a shipboard aircraft group is taken as input and taking a scheduling behavior as output and establishing a feature vector with a weight as a reward function. In order to obtain a safe and efficient scheduling strategy, a multi-target scheduling strategy is established, and a scheduling model is trained by using a deep Q learning network by taking shipboard aircraft shipboard displacement, task scheduling time, shipboard conflict times and equipment utilization rate as targets. Experimentaltest results show that the algorithm can quickly process emergencies and does not affect subsequent task execution, and meanwhile, a scheduling strategy with high safety and flexibility is obtained.
Owner:BEIJING UNIV OF TECH

Large-scale hot continuous rolling data scheme customizing system based on cloud computing

The invention provides a large-scale hot continuous rolling data theme customizing system based on cloud computing. The large-scale hot continuous rolling data theme customizing system comprises an ETL (electron transport layer) module, a data persistence layer and a theme customizing layer. The ETL module is used for realizing original hot continuous rolling system data analysis, a cloud data warehouse data sheet building and a data extraction; the data persistence layer organizes and stores structuralized data extracted from the ETL module by utilizing the cloud data warehouse; and the theme customizing module, aiming at solving the problem of data theme analysis in the cloud data warehouse, provides users with reasonable customizing schemes through a theme pool and an experience pool, and provides users with a general data analytical function through a public data mining method pool and a MapReduce module container, so that working efficiency of data management staff can be improved. The theme customizing system has flexible expandability, can be integrated in any original hot continuous rolling system data system, can solve a complicated data theme clarifying problem when a user's requirement is unclear, and can provide a reliable data set guarantee to the hot continuous rolling system data analysis.
Owner:UNIV OF SCI & TECH BEIJING

Reliability test apparatus and test method for electro-hydraulic servo feeding system

ActiveCN106338969AHigh loading accuracyAutomatic calculation of reliability functionsNumerical controlNumerical controlControl system
The invention discloses a reliability test apparatus and test method for an electro-hydraulic servo feeding system, and solves the problem of lack of reliability test apparatus and test method simulating loading function for an electro-hydraulic servo feeding system of a numerical controlled lathe. The reliability test apparatus comprises an electro-hydraulic servo feeding system, a loading system, a detecting system and a control system. The electro-hydraulic servo feeding system is installed on a foundation, a hydraulic station (22) is installed on the foundation on the right side of a lathe bed pedestal (1), and the loading system is installed on the top left side of the lathe bed pedestal (1). A loading oil cylinder (3) of the loading system is connected with a simulation work bench (13) of the electro-hydraulic servo feeding system, and the detecting system is installed on the electro-hydraulic servo feeding system. A laser interferometer (39) of the detecting system is positioned on the right front side of the lathe bed pedestal (1), and a data collection card (54) of the control system is respectively connected with the electro-hydraulic servo feeding system, the loading system and the signal line of the detecting system. The invention further discloses a reliability test method for an electro-hydraulic servo feeding system.
Owner:JILIN UNIV

Software and hardware integrated portable remote sensing image real-time processing system

The invention provides a software and hardware integrated portable remote sensing image real-time processing system. The system is characterized in that a computer with multiple GPUs and multiple CPUs is arranged and used for achieving integrated full-automatic processing from data real-time receiving to real-time generation of image products; a cluster scheduling manager is embedded in the computer and used for completing real-time distribution of computing resources and storage resources and supporting emergency scheduling; the computer is provided with a data receiving program, a data formatting program and a remote sensing image processing program, and based on the cluster scheduling manager, integrated full-automatic processing is executed through cluster task distribution and scheduling. By means of the system, multi-scene remote sensing images can be processed at the same time, and the requirement of the speed of processing the large-scale remote sensing images under emergency conditions is met.
Owner:WUHAN UNIV

Automatic river channel floating object intercepting device

The invention discloses an automatic river channel floating object intercepting device. The automatic river channel floating object intercepting device comprises a left stand column, a right stand column, a gearbox body, an impeller mechanism, an intercepting roller driving mechanism, a transition transmission mechanism, a left balance adjusting mechanism, a right balance adjusting mechanism and an intercepting roller, wherein the left stand column is fixed on one side of a river channel, and the right stand column is fixed on the other side of the river channel; the gearbox body is arranged on one side of the river channel, a water flow inlet is formed in the front side of the lower part of the gearbox body, and a water flow outlet is formed in the right side of the gearbox body; the impeller mechanism is arranged at the lower part of a gearbox body cavity; the intercepting roller driving mechanism is arranged at the upper part of the gearbox body cavity; the transition transmission mechanism is arranged in the middle part of the gearbox body cavity and is in transmission fit with the impeller mechanism and the intercepting roller driving mechanism; and the left balance adjusting mechanism is arranged at the upper part of the left stand column and is connected with the intercepting roller driving mechanism, the left end of the intercepting roller is in transmission connection with the intercepting roller driving mechanism, the right end of the intercepting roller extends to the right stand column and is in sliding fit with the right stand column, and the right balance adjusting mechanism is arranged at the upper part of the right stand column and is connected with the right end of the intercepting roller. The device has the advantages that an ideal non-electric energy consumption effect is realized; floating objects cannot cross the intercepting roller and escape; and the use flexibility is high.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Implementing method of paying service of calling party and called party and system

The invention discloses an implementing method of a paying service of a calling party and a called party. The method comprises the following steps: the calling party sends a short message of the paying service and triggers the paying service of the calling party and the called party; a service control point (SCP) informs the number of the calling party requiring the paying service of the calling party and the called party and the charging needs calling party to the called party, and waits for the answer of the called party; after the called party answers, that whether the called party agrees the charging needs of the calling party is determined, if the called agrees, the calling party is called; if the called party does not agree, the self charging need thereof is expressed. Correspondingly, the invention also discloses a system of the paying service of the calling party and the called party, comprising a calling terminal, a short message center, an SCP and a called terminal. Therefore, the invention can realize the paying function of negotiation charging of the calling party and the called party.
Owner:ZTE CORP

Railway gale monitoring early warning system and method

The invention discloses an early warning system for rail strong wind monitoring, which comprises a strong wind monitoring and controlling data center, a plurality of strong wind monitoring points, a DMIS network and a TMIS network, an exchange server which connects the DMIS network and the TMIS network at same time, a train dispatching center and a monitored train, wherein the strong wind monitoring and controlling data center real-timely gets wind speed data from a plurality of strong wind monitoring points; the strong wind monitoring and controlling data center gets real-time operation information and train marshalling and type information of the monitored train from the DMIS network and the TMIS network through the exchange server; the strong wind monitoring and controlling data center sends a real-time speed limit command to the train dispatching center which transmits the real-time speed limit command to the monitored train. The invention also discloses an early warning method for the rail strong wind monitoring. The system and the method can effectively ensure the safe operation of the train in wind areas.
Owner:CENT SOUTH UNIV

Pencil sharpening machine

ActiveCN108790520ARealize continuous automatic feed cuttingImprove cutting efficiencySharpenersEngineeringSharpening
The invention belongs to the technical field of pencil sharpening, and relates to a pencil sharpening machine. The problem that production efficiency of an existing pencil sharpening device is low dueto the fact that the existing pencil sharpening device usually adopts a method that clamping is performed on each pencil is solved, pencils can be continuously fed and sharpened, and pencil sharpening efficiency is improved. The pencil sharpening machine comprises a supporting part, a pencil feeding part, a rolling feeding part, a sharpening part and a collection part. The sharpening part is installed on the front side of the rolling feeding part, the collection part is installed on the left side of the rolling feeding part, the pencil feeding part is installed on the right side of the rolling feeding part, an anti-bridging device of the pencil feeding part is installed on the right side of a pencil feeding funnel, the rolling feeding part enables the pencils to rotate and also roll fromright to left, and continuous sharpening is realized.
Owner:李冠余

Configuration method and device of passive optical network (PON) service

The invention discloses a configuration method and device of a passive optical network (PON) service. In the scheme provided by the invention, during the configuration of the PON service, a set global configuration template is used to act on a service configuration point according to the service information of a service flow. The invention provides a scheme for easily and practically configuring the PON service on the basis of a service flow thought. Compared with the conventional PON service configuration, the invention has the characteristics that: the concept of end to end complete service flow is put forward, and the process for configuring the PON service on the basis of the service flow mainly depends on a set global configuration template; and the key characteristics and the attributes of the service flow are determined by the global configuration template, PON service configurations of different PON technologies are unified, and the operation of PON service configuration is simplified to the maximum extent simultaneously. In the scheme provided by the invention, a very good service configuration model is provided, the operation principle of an operator is completely followed, bottom layer implementation relevant to a standard is shielded, operation is simplified, and the all sidedness and the flexibility of service attribute data are kept simultaneously.
Owner:ZTE CORP

Reliability test platform for radial hydrostatic bearing

ActiveCN104677633AEasy to loadReal-time fault data collectionMachine bearings testingAutomatic controlTest platform
The invention discloses a reliability test platform for a radial hydrostatic bearing. The reliability test platform for the radial hydrostatic bearing comprises a test platform support, a radial hydrostatic bearing assisting device, a regular Z-directional loading device, a negative Z-directional loading device, a regular Y-directional loading device, a negative Y-directional loading device and an automatic control device. According to the test platform, four sets of hydraulic loading devices are adopted to simulate dynamic and static pressure load of the radial hydrostatic bearing as well as loading within 360 degrees in the radial direction; the reliability test simulating the real working condition is performed for the tested radial hydrostatic bearing; in addition, the fault data are acquired in real time; therefore, practical foundation data are provided for later reliability evaluation, reliability modeling and reliability predicating, and as a result, the data acquiring time can be greatly shortened.
Owner:JILIN UNIV
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