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263results about How to "Easy to expand functions" patented technology

Vehicle cooperative formation driving system

The invention discloses a vehicle cooperative formation driving system, belonging to the field of vehicle network-connected automatic driving. The vehicle cooperative formation driving system comprises a network layer, a link layer, a coordination layer, a control layer and a physical layer from top to bottom; wherein a vehicular unit in the network layer is communicated with a wireless router inthe link layer through a wireless network; the wireless router is communicated with a central service unit CSU and a road side unit RSU respectively through Ethernet; and the ZeroMQ communication is adopted by the central service unit CSU and the road side unit RSU. The vehicle cooperative formation driving system adds low cost vehicular sensors such as vision and millimeter wave radars, and integrates perception fusion, path planning and decision control into a same software architecture, so as to integrate vehicle road environment information, and achieve reliable vehicle formation driving function through high precision controllers; the vehicle cooperative formation driving system is in line with the development trend of the network-connected vehicle formation driving, which is highly modular and easy to expand function; and the decentralized following strategy can reduce the impact of network communication uncertainty.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH

Cooperative vehicle formation driving method and system

The invention belongs to the field of networking automatic driving of vehicles, and discloses a cooperative vehicle formation driving method and a cooperative vehicle formation driving system. Sensinginformation of vehicles and absolute position information of the vehicles are captured for sensing fusion, path planning and decision-making control, and road environment information of the vehiclesis integrated to implement formation converging, following, quitting, parking and cooperative lane changing co-driving strategies for the vehicles. According to the method and the system, connection of all modules and direct communication between the modules are implemented in a 5G (5th-generation) manner, meanwhile, low-cost vehicle-mounted sensors such as a visual sensor and a millimeter wave radar are additionally arranged, sensing fusion, path planning and decision-making control are integrated into the same software architecture, the road environment information of the vehicles is integrated, and a reliable vehicle formation driving function is realized by a high-accuracy controller. The system is consistent with the development trend of networking vehicle formation driving, high in modulation degree and easy to functionally extend, and by a decentralized following strategy, the influence of uncertainties of network communication can be reduced.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH

Control system and method of artificial intelligence drive robot

The invention provides a control system and method of an artificial intelligence drive robot. The system comprises a receiving module, an artificial intelligence module, a central processing unit, a cloud processing module and an executing module. The method comprises the steps that scene information of the surrounding and voice and / or visual information of a user are acquired; a comprehensive decision is made after recognition and understanding according to voice and / or visual information; the intention of the user is confirmed, and the robot gives a response; and a treatment result is outputin multiple modes including one or more of moving of the intelligent robot, action of a mechanical arm and / or a head, expression video image display on a screen, and audio playing. According to the method, artificial intelligence analysis and decision can be carried out locally or through cloud uploading according to acquired voice and / or visual information, the robot is automatically controlledto be in interactive feedback with the user in multiple manners, much hardware can be arranged outside, a designer quickly expands a machine body, and an artificial intelligence result can be intuitively and effectively achieved on the robot.
Owner:SHANGHAI UNIV +1

Intelligent engineering machinery fault diagnosing system based on networked movable operation machines

In the present invention, after fault information analysis, fault cause judgement, giving treating opinion and predicting stop time, the fault cause and treating opinino are transmitted to single-machine controller to direct the operator's job while the influence of the fault on the machine group engineering is judged based on the weight value of the fault part in the machine, the weight value ofthe fault machine in the machine group and fault grade and the fault information is transmitted to the group dispatching system. Each single machine is equipped with intelligent monitoring and diagnosis subsystem connected to movable communication module; the machine group is equipped with high-level monitoring and diagnosis system connected to movable communication module.
Owner:TIANJIN UNIV

Modularized portable mobile robot system

The invention provides a modularized portable movable robot system, comprising a control unit module, a driving unit module, a moving platform module, a turnover arm module, an energy resource module, a sensor module and a standard interface module; the energy resource module is embedded in the moving platform module; the turnover arm module is movably connected with the moving platform module; the control unit is connected with the moving platform module by the driving unit module; the sensor module is connected with the control unit module by the standard interface module. The modularized portable movable robot system realizes modularization on three aspects of mechanism, electron and software, leads the functional extension of the robot to be easy, leads the robot to be simply controlled, facilitates the harmonization and operation of a multi-robot system to be carried out, has waterproof design, and can be applied to the fields such as military field, public safety field, civil field and education research field, etc.
Owner:上海中为智能机器人有限公司

Linux-based Windows software compatible layer architecture

The invention relates to a Windows software compatible layer building structure based on Linux which designs a Windows compatible layer on the internal core of Linux to simulating operate the needed environment of Windows program and provide the needed data structure, the system object, the course and the service of the program. The compatible layer comprises a basic applied program interface, a user applied program interface, a picture device interface, an upper layer chain base and modules of a driving program, Windows small internal core, Linux compatible base and so on, these modules is developed and encoded on Windows developing environment such as VC to generate PE form file.
Owner:北京世纪豪杰计算机技术有限责任公司 +1

Method and system for extracting electrocardiosignal characteristic

The invention relates to a method and a system for extracting an electrocardiosignal characteristic. The method comprises the following steps of: A, performing wavelet transformation on a sampled electrocardiosignal x(n) for multiple times until a preset scale value is reached based on an adaptive lifting method; B, calculating a threshold value according to a wavelet coefficient d(n); C, detecting the position of an R wave in the electrocardiosignal according to the threshold value; and D, judging whether the position of the R wave is correct or not according to a scale coefficient c(n) and if the position of the R wave is not correct, adjusting the threshold value according to a preset step length and returning to the step C. The invention also relates to a system for extracting the electrocardiosignal characteristic. The system comprises a wavelet transforming unit, a threshold value calculating unit, a detecting unit and a judging unit. The characteristic extracting method has the advantages of high correctness, higher anti-jamming capability, low operation amount, independence of Fourier transform, capability of effectively saving system resource and contribution to the functional expansion of an electrocardiosignal processing system.
Owner:SHENZHEN UNIV

Modularly integrated satellite dynamics simulation testing system and method

A modular and integrated satellite dynamics simulation test system and method, the system is used for the ground simulation test of the small satellite attitude and orbit control system, the small satellite dynamics simulation test system is based on modular construction, including measurement and control upper computer and real-time lower computer . The measurement and control upper computer is a general-purpose computer, which runs the human-computer interaction software of the simulation system; the real-time lower computer includes the chassis, controller, digital signal acquisition and output card, analog signal acquisition and output card, RS‑422 communication card, CAN communication card, power supply Card, interface box, real-time lower computer except the chassis and interface box, all functional module boards are integrated based on the PXI bus, and the lower computer controller runs dynamics simulation calculation software. In addition to the interface box of the real-time lower computer, other modules are integrated inside the chassis. The upper computer and the lower computer are connected through Ethernet, and communicate based on the TCP / IP protocol, and carry out the interaction of operation instructions, collected data and simulation data. The present invention is applied to the simulation test of the attitude-orbit control system of the small satellite, which improves the integration and scalability of the small-satellite attitude-orbit control simulation test equipment, and the deployment of the equipment is simple and fast.
Owner:AEROSPACE DONGFANGHONG SATELLITE

Bus-mounted intelligent terminal based on Beidou/GPS compatible location

The invention provides a bus-mounted intelligent terminal based on Beidou / GPS compatible location. The bus-mounted intelligent terminal comprises a first subsystem based on a CPU and a second subsystem based on an MCU. The first subsystem further comprises a BD2 / GPS navigation module, a video / audio processing module, a communication module, an identity recognition module and a power supplying and power source management module, wherein the BD2 / GPS navigation module, the video / audio processing module, the communication module, the identity recognition module and the power supplying and power source management module are connected with the CPU, the BD2 / GPS navigation module is used for receiving navigation signals of a Beidou secondary navigation system and a GPS to achieve dual-system compatible location, the video / audio processing module is used for taking charge of coding-decoding processing on video signals and audio signals, the communication module is used for being in voice and data communication with a wireless communication network and building a wireless communication linkage through a WiFi or a Bluetooth, and the power supplying and power source management module is used for managing a power source system. The second subsystem further comprises an OBD data acquisition module, a one-card module, a bus station broadcaster module, an external interface module and the like, wherein the OBD data acquisition module, the one-card module, the bus station broadcaster module, the external interface module and the like are connected with the MCU, the OBD data acquisition module is used for acquiring vehicle status information through a vehicle body bus, and the MCU of the second subsystem is controlled by the CPU of the first subsystem.
Owner:CHINA AEROSPACE SYST ENG

Geologic field information collection system, geologic field information collection method and application method of collection system

The invention relates to a geologic field information collection system. The collection system is designed by adopting a platform-based concept and integrates a project management module, a GPS (global positioning system) module, a geologic compass module, an image system module and a character system module, collection is performed by dividing geologic field sources into points, lines and planes, and information of geologic medium sources like geologic points, fault points, hydrologic points, drill holes, fractures, measured formation sections and pits is output in the form of geologic field information collection card module pieces and Excel data files respectively, so that requirements on filing of original data are met, direct utilization of geologic field information is realized, and integration of outdoor work and indoor work is realized. The collection system comprises a system function module, a geologic field information collection card module and a data output module. By the system, the geologic field information can be collected quickly and accurately; efficiency of field work and data accuracy are improved by providing functions of quick GPS positioning, a measuring ruler, an angulometer, a geologic compass and the like.
Owner:长江岩土工程有限公司

Virtual numerical control machine on-line detection system and method

The invention discloses a virtual numerical control machine on-line detection system. The virtual numerical control machine on-line detection system comprises a computer, a measuring head, a receiver and a numerical control machine, wherein the measuring head is arranged on a knife handle; the receiver is matched with the measuring head; and the numerical control machine comprises a numerical control system. The virtual numerical control machine on-line detection system is characterized in that: the computer is provided with a virtual numerical control machine on-line detector; the virtual numerical control machine on-line detector acquires figure information of a measured workpiece from the computer and provides a human-computer interaction interface; the virtual numerical control machine on-line detector automatically generates a measurement main macroprogram according to measurement items selected in the human-computer interaction interface and the set test parameters; the measurement main macroprogram is uploaded to the numerical control system through the computer; and at the same time, the virtual numerical control machine on-line detector receives detection data output by the numerical control system through the computer, performs error compensation and analysis and computation on the detection data according to an error compensation value which is set by a user in the human-computer interaction interface, prompts the ultra-poor measurement item, and displays, stores and replays the computation result.
Owner:CHONGQING UNIV

Intelligent oral cavity cleaning device

The invention discloses an intelligent oral cavity cleaning device. The intelligent oral cavity cleaning device comprises a shell, a cleaning unit, a handheld unit, a power-driven mechanism, a circuit board, a cleaning component, a battery, a network connection circuit, a light-emitting element, a light guide component, an image collecting device and a sound playing device; the intelligent oral cavity cleaning device and other intelligent devices can build wireless network connection for conducting data transmission, or the intelligent oral cavity cleaning device can have access to the internet; images obtained by the image collecting device can be displayed on display screens of the other devices, so that parts difficult to clean can be cleaned more effectively; voice or music can be played through the sound playing device, single-color or colorful lamplight can be emitted through the light-emitting element, and the intelligent oral cavity cleaning device is more attractive and has interestingness.
Owner:张平洲

Measurement and control system and method for test bed of X-type aero-engine

The invention discloses a measurement and control system for a test bed of an X-type aero-engine, comprising a signal acquiring system, a signal control system and a signal feedback system that are connected sequentially, wherein the signal acquiring system is used for acquiring, screening and packing target signals; the signal control system displays acquired messages to users, and the users can issue control instructions according to the messages; and the signal feedback system is used for transmitting the control instructions of the users to the engine. According to the measurement and control system and method for the test bed of the X-type aero-engine disclosed by the invention, the newest research achievements of modern measurement and control hardware and computer software are fully used to build the measurement and control system for the test bed of the X-type aero-engine integrating measurement with control, so that the automation and intelligence levels are improved, the hardware and fund investments are reduced, the failure rate of the measurement and control system is decreased, the operation is simplified, the wrong operation rate is reduced, the working strength and pressure of the test bed and the maintenance staff are decreased, the energy consumption is saved, the functions of the test bed are convenient to be expanded, and the objective and true reports are provided to the engine test and the factory inspection.
Owner:GUIZHOU KAIYANG AERO ENGINE

PLC-based two-dimensional motion demonstration platform for teaching and implementation method thereof

InactiveCN101739865ARealize unlimited point expansionEasy for secondary developmentTeaching apparatusAnti jammingElectric machinery
The invention discloses a PLC-based two-dimensional motion demonstration platform for teaching and an implementation method thereof. The PLC-based two-dimensional motion demonstration platform for teaching comprises an upper computer PC (1), a lower computer PLC (2), an X-Y-directional servo driver (3), an X-Y-directional servo motor (4), a two-dimensional mechanical executing mechanism (5) and an input component (6), wherein the X-Y-directional servo driver (3) consists of an X-directional servo driver (301) and a Y-directional servo driver (302); and the X-Y-directional servo motor (4) consists of an X-directional servo motor (401), a Y-directional servo motor (402), an X-directional photoelectric code disc (403) and a Y-directional photoelectric code disc (404). The PLC-based two-dimensional motion demonstration platform for teaching and the implementation method thereof realize the functions of two-axis motion control demonstration and reproduction by utilizing a high-speed counter and high-speed pulse output; a system has the characteristics of small volume, strong anti-jamming capability, convenient function expansion and the like; and through hardware expanding, the current two axes can be expanded to a plurality of axes, which has wide application to the motion control occasions such as a welding robot, a carving machine and the like needing contouring control.
Owner:SANJIANG UNIVERSITY

Integrated processing system based on VPX platform and software design method thereof

The present invention discloses an integrated processing system based on a VPX platform and a software design method thereof. The system comprises a backboard provided with a plurality of slots, the system is mother-daughter board configuration based on a standard VPX bus, the system comprises a motherboard and a daughter board, the motherboard is an exchange interface board, the daughter board is an extension interface board, the motherboard and the daughter board are connected through an XMC connector, and the motherboard and the daughter board are communicated through an X4 SRIO bus; the slots can be inserted into a plurality of other board cards, the backboard can realize the communication of the motherboard, the daughter board and other board cards in the processing system; and a motherboard dual-core ARM Cortex<TM>-A9 processor PS and a daughter board dual-core ARM Cortex<TM>-A9 processor PS perform real-time operation of the system. The integrated processing system has rich extension capability, can satisfy application requirements of different scenes through replacing of daughter boards having different functions, has good, flexibility is wide in application range, can realize shelf performances of modules, and can rapidly build an integrated processing system aiming at a special guidance application background according to the application requirements.
Owner:THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD

XML (Extensive Markup Language) configuration file based test method and device

The invention provides an XML (Extensive Markup Language) configuration file based test method. The XML configuration file based test method comprises the following steps of obtaining a product to be tested, wherein the product to be tested comprises a plurality of function points to be tested; forming an XML configuration file according to the plurality of function points to be tested, wherein the XML configuration file comprises a plurality of test nodes, the test nodes and the function points to be tested are arranged in a one-to-one correspondence mode, every test node comprises a plurality of marker pairs comprising attribute identifications and the content information, and the content information is the information for test items corresponding to the test nodes; obtaining the product to be tested and the XML configuration file through an automated test frame; obtaining the corresponding test codes and the corresponding test item information according to the XML configuration file through the automated test frame; testing the test nodes according to the test items through the automated test frame. The invention also provides an XML configuration file based device. According to the XML configuration file based test method and device, the execution efficiency is high, the accuracy is high, the maintenance is simple and convenient, and the test efficiency of the product can be improved.
Owner:BAIDU INT TECH (SHENZHEN) CO LTD

Integrated controller for meter and electrical appliance

This invention relates to a combined control device for integrated instruments and electric appliances composed of a shell with a faulty display window and labels, an electronic control circuit, an intelligent expanding module circuit, a moving and static contactor component with a current sensor at the side of a static contact bridge, an iron core, a coil and a spring, which realizes multiple kinds of protections and fault display by the electronic control circuit and has the function of power saving, a photo electric isolation technology is applied for its high voltage drive and low voltage signal circuit and the I / O expanding interface and an intelligent expansion module are applied to enrich the function of the display and control of the instrument.
Owner:张 世兴

Network management system and method of guaranteeing normal communication

The invention discloses a network management system and a method for ensuring the normal communication thereof. A backup network management Proxy is added. Under normal conditions, the backup network management Proxy monitors in real-time the state of a main network management Proxy; when detecting the main network management Proxy is invalid, the backup network management Proxy automatically is switched to the main network management Proxy and promptly notifies a network management station (NMS) and resets a destination address of a simple network management protocol agent (SNMP Agent), to allow the communication between the NMS and each SNMP Agent via a new network management Proxy. Therefore, the invention can detect the invalidity of the network management Proxy in time and automatically switch the network management Proxy, so as to rapidly recover the normal communication function of the network management system and thus to improve the safety and reliability of the network management system communication.
Owner:ZTE CORP

Intelligent terminal monitoring system and method for urban shared bikes

The invention belongs to the fields of Beidou navigation satellites and intelligent bikes, and particularly relates to an intelligent terminal monitoring system and method for urban shared bikes. The system comprises an intelligent terminal system, a data transmission system, a control terminal system and a monitoring platform system, a positioning frequency control instruction issued by the monitoring platform system controls the positioning frequency of a Beidou and GPS positioning module, by increasing the positioning frequency, position tracks of the shared bikes can be tracked in a more detailed mode, by lowering the positioning frequency, energy consumption can be effectively reduced, and the single charging period can be prolonged; the intelligent terminal system adopts Beidou and GPS dual-mode satellite positioning, position and travel track information of the shared bikes can be obtained accurately in real time, an accurate navigation path is provided for a user and a maintainer looking for the target bike, time and labor are saved, and a technical support is provided for vehicle security.
Owner:ANHUI SUN CREATE ELECTRONICS

Electrocardiosignal processing system

The invention relates to an electrocardiosignal processing system. The system is based on an FPGA platform and comprises a preprocessing unit, a wavelet transforming unit, a characteristic extracting unit and a signal processing control unit, wherein the preprocessing unit is used for preprocessing a sampled electrocardiosignal; the wavelet transforming unit is used for performing wavelet decomposition on the preprocessed electrocardiosignal by an adaptive lifting method; the characteristic extracting unit is used for positioning the characteristic position of the electrocardiosignal based on the adaptive lifting method; and the signal processing control unit is used for controlling normal operation of the preprocessing unit, the wavelet transforming unit and the characteristic extracting unit. The characteristic extracting method has high correctness, higher anti-jamming capability and low operation amount. The electrocardiosignal is processed based on the FPGA platform, so real-time signal processing capability can be effectively improved and the defect in the aspect of electrocardiosignal analyzing and processing due to the performance limit of a processor in a conventional electrocardiosignal processing system is overcome. Simultaneously, the system can also meet the requirements of a portable medical apparatus on the integration degree increment, power consumption reduction, system miniaturization and the like.
Owner:SHENZHEN UNIV

Simple industrial automatic comprehensive practical training control system

A simple industrial automatic comprehensive practical training control system comprises a programmable logic controller (PLC), a transport unit, a measuring and lifting unit, a processing unit, a quality detection unit, a sorting unit, a human-computer interface and a power circuit, wherein the transport unit, the measuring and lifting unit, the processing unit, the quality detection unit and the sorting unit are connected with output interfaces of the PLC respectively and are controlled by the PLC to finish transferring, measuring and lifting, processing, quality detection and sorting of workpieces, the human-computer interface is connected with an input interface of the PLC, and the human-computer interface is used for inputting set control information to the PLC and displaying state and warning signals for starting, stopping, normal operation and abnormal operation of the circuit. The simple industrial automatic comprehensive practical training control system is scientific in design, simple in structure, easy to master, direct to see, practical and capable of enabling students to experience industrial site control and performing teaching, learning and practicing functions to the maximum extent.
Owner:LIUZHOU RAILWAY VOCATIONAL TECHN COLLEGE

Precise servo mechanism resonance frequency testing system and testing method

The invention discloses a precise servo mechanism resonance frequency testing system and a testing method. The system comprises a tested precise servo mechanism, a servo mechanism parameter tester and a data processing display terminal industrial control computer. The tested precise servo mechanism achieves a system with the mechanical system position, the speed or acceleration controlled in a closed loop control mode. The testing method is one selected from a sweep frequency method, a step method, a white noise method or a Multitone method. Multiple kinds of excitation signals can be selected, errors due to different characteristics of different mechanisms can be reduced. The powerful software function of a micro computer and the graphical environment are used for research and development on the servo system resonance frequency tester, the operation is simple and programmed, the cost performance is high, and demands of scientific research and engineering design can be better met.
Owner:XIDIAN UNIV

Integrated practice course teaching system and implementing method based on network environment

The invention discloses a comprehensive practice course teaching system based on the network environment. On the basis of the network B / S structure and the WEB interaction technique, the system comprises a database module, a database management module, a course display module, a static file generation module, a teacher management module, a student management module and a module for displaying other pages. Data transmission is conducted among the modules through an HTML standard form; the modules adopt a large file upload component, concentrate and display through the WEB technology; and an XML file form is adopted to generate a management page. The invention also discloses a method for realizing the system. The system and the method greatly increase the flexibility of the system setup, so that a school can flexibly set the practice course standards and the grading standards of the practice courses according to the conditions of the school. The adoption of the WEB technology realizes the remote operation, so that the spare time of students and teachers is fully utilized, the students are allowed to participate and discuss, and the learning initiatives of the students are improved. The system has the advantages of high transmission speed and saved network resources, and provides a guarantee for effectively realizing the teaching of practice courses.
Owner:苏治中 +1

Software system based on GPRS monitoring terminal

The invention particularly discloses a software system based on a GPRS monitoring terminal. The software system is composed of a bottom layer hardware driving program, an embedded operating system and a multi-task application program, wherein the multi-task application program is implemented on the basis of a multi-task design mode; a plurality of tasks comprise a starting task, a Modem serial port receiving task, a GPRS scheduling task, a data analysis conversion task, a GPRS link establishment and maintenance task, a system monitoring alarm task, and an equipment data acquisition, storage and uploading task; a state machine of the GPRS link establishment and maintenance task comprises a state conversion process; a multi-task software watchdog is implemented by implementing the multi-task application program. The software system based on the GPRS monitoring terminal, which is high in reliability, can normally operate in severe application environments such as photovoltaic power stations and wind power plants.
Owner:中国东方电气集团有限公司

Network controller of vehicle

The invention relates to a controller, which aims at realizing the functions of the network controller that interconnecting different networks by gateway, collecting and analyzing the information of the systems in a vehicle and controlling output. The technical proposal of the invention is that the network controller of the vehicle comprises a micro-controller unit, a power management module connected with the micro-controller unit, a clock vibrator module, a reset module, a CAN communication module and / or a LIN communication module; wherein the micro-controller unit is communicated with equipment connected on the vehicle network through the CAN communication module or the LIN communication module to receive the information of the equipment and transmit control message to the equipment; the micro-controller unit is connected with other electronic devices, such as an instrument, a vehicle body control system and an upper computer in the vehicle through the CAN communication module on the micro-controller unit; a wireless access module is also arranged in the controller; and the micro-controller unit transmits the information to a remote terminal through the wireless access module, so as to forward a control command of the remote terminal to the devices in the vehicle.
Owner:杭州奥腾电子股份有限公司

Management method and device for components in Android program

The invention discloses a management method and device for components in an Android program. The method comprises the steps that one or more components are reserved in a configuration file of the Android program, and one progress is stated for each reserved component; the content of the component used by a plug-in to achieve a specific function is stated in the configuration file of the plug-in of the Android program; when the plug-in needs to run the component for achieving the specific function, an available progress is found out from the progresses stated by the reserved components; the content of the component for achieving the specific function is transmitted to a same type component corresponding to the found-out available progress; the available progress is started to enable the same type component corresponding to the available progress to be run in the progress. According to the technical scheme, free customization of the plug-in on the component is achieved on the premise that an Android main program is not upgraded, the memory usage can be greatly reduced, and therefore the function extension of the Android program is more convenient and fast, efficient and accordant with the application requirements.
Owner:BEIJING QIHOO TECH CO LTD

Vehicle carried data collecting system based on embedded PC

This invention relates to a car-carrier data collecting system based on an inserted PC including an inserted PC mounted with an XPE operation system, a double isolation CAN interface card plugged in the PC104 extended interface of said PC, a multi-series card plugged in the PC104 extended interface, a site bus data collecting module, a GPS receiver, a liquid crystal screen, a touch screen and a U disk.
Owner:清华大学苏州汽车研究院(吴江) +1

Interface board card of CPCI (Compact Peripheral Component Interconnect) framework based on MIL-STD-1553B

The invention relates to a computer board card of a CPCI (Compact Peripheral Component Interconnect) framework, in particular to a standard bus interface module based on a MIL-STD-1553B protocol, namely, a plane internal time-division system command / response multipath transmission data bus interface module, which is widely applied to plane comprehensive avionics systems and external store management and integration systems, and gradually expands to plane control systems and the like as well as the fields of tanks, ships, spaceflight and the like. The MIL-STD-1553B protocol is realized through an FPGA (Field Programmable Gata Array); coding and decoding of a Manchester code are realized by using a VHDL (Hardware Description Language); a reasonable small-sized bus driving circuit is designed according to the MIL-STD-1553B protocol; a DSP (Digital Signal Processor) program which can support the protocol is written, and an assembled interface assembly function is realized. Due to the adoption of the interface board card, the design requirement of small size is met, functional expansion can be performed easily as required, using flexibility is realized, and the development cost of a product is much lower than that of a foreign special interface chip.
Owner:北京中航赛维奥科技有限公司 +1

Lithium ion battery flame-retardant and explosion-proof device and method for electric automobile

The invention discloses a lithium ion battery flame-retardant and explosion-proof device and method for an electric automobile. The lithium ion battery flame-retardant and explosion-proof device comprises a signal acquiring module, a signal processing module and a control terminal part, wherein the signal acquiring module comprises temperature sensors and position sensors which are distributed in different functional regions in a battery box; the signal processing module is used for receiving acquired signals transmitted by the temperature sensors and the position sensors, and transmitting a control signal to a control terminal according to processing results of the acquired signals; the control terminal comprises a physical cooling module, an overcurrent and short-circuit working condition management module and a battery collision / extrusion management module; the physical cooling module comprises fans and a fan power supply system, wherein the fans are arranged in different functional regions in the battery box; the overcurrent and short-circuit working condition management module comprises a battery box safety circuit starting module and two redundant direct-current contactors arranged on a main loop in the battery box; and the battery collision / extrusion management module comprises a module for controlling the direct-current contactors to be switched off, a compressed dry ice air bag and an ejection system of the compressed dry ice air bag.
Owner:XI AN JIAOTONG UNIV

Multifunctional foldable carrying device

The invention discloses a multifunctional foldable carrying device which comprises a frame. A guide rod and a handrail are hinged to the frame through hinge pins; extension parts are arranged on the lower portions, corresponding to the hinge pins, of the guide rod and the handrail; the guide rod and the handrail can be kept perpendicular to the frame through locking units; and an objective table is detachably installed between the guide rod and the handrail. According to the technical scheme provided by the embodiment of the invention, the guide rod and the handrail of the multifunctional foldable carrying device are arranged to be foldable, and under the normal condition, the guide rod and the handrail are kept perpendicular to the frame through the automatic locking units; under the condition that the guide rod and the handrail need to be carried along with a vehicle, the guide rod and the handrail can be quickly folded to reduce the occupied space; and in addition, since the objective table is arranged between the guide rod and the handrail and separated from the frame, function expansion is facilitated.
Owner:HONGBANG DIE CASTING NANTONG
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