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55results about How to "Avoid invalid operations" patented technology

Memory page recovery method and system based on page classification

The invention provides a memory page recovery method and system based on page classification. The method includes the steps that 'struct page' structures corresponding to all memory pages in a host are regularly and cyclically scanned, and page types of the memory pages in the host are analyzed according to the 'struct page' structures; when the page types of the memory pages in the host are anonymous pages, whether the memory pages belong to a client process or not is judged according to a reverse mapping relation provided by a kernel of the host, 'struct page' structures of the memory pages belonging to the client process in a client are obtained, and the page types of the memory pages in the client are analyzed according to the 'struct page' structures; all the pages are linked to a corresponding type link table according to page classification information; the number of each kind of pages is read, a recovery strategy of a current moment is determined according to a client page classification recovery sequence model, and the memory pages are recovered according to the recovery strategy.
Owner:INST OF INFORMATION ENG CHINESE ACAD OF SCI

Electronic shifting processing method and device and automobile

The invention provides an electronic shifting processing method and device and an automobile. The method is applied to the electronic shifting device comprising a reset type shifting knob and a press type gear-shifting knob; and the method comprises the steps that gear-shifting operating parameters generated after the electronic shifting device is operated are acquired, and a first gear of the automobile at present is acquired, wherein the gear-shifting operating parameters comprise a knob rotation direction and a knob rotation range generated after the reset type shifting knob is rotated; and a gear requested by a user is determined according to the first gear and the gear-shifting operating parameters. According to the electronic shifting processing method and device and the automobile, the situation that logical judgement in the shifting processing process is simple and reliable is ensured while the purposes that user operation is simple and convenient, and the user experience is promoted are achieved, and thus the ease of use and the safety of automobile driving are promoted.
Owner:BEIJING ELECTRIC VEHICLE

Precise grabbing method and system for mechanical arm

The invention provides a precise grabbing method for a mechanical arm. The method comprises the following steps that a grabbing position vector diagram containing position coordinates of the mechanical arm position coordinates of an to-be-carried object is acquired; after the grabbing position vector diagram is detected and received, grabbing route data between the mechanical arm position coordinates and the position coordinates of the to-be-carried object are analyzed according to the grabbing position vector diagram, and the data is transmitted to a first laser sensor; when the grabbing route data is detected, the first laser sensor is used for detecting whether an obstacle exists on one grabbing route according to the grabbing route data so as to obtain an alternative grabbing route; anoptimal grabbing route is acquired according to the alternative grabbing route and is transmitted to a second laser sensor; the optimal grabbing route is analyzed, and the second laser sensor is controlled to guide the mechanical arm to the position coordinates of the to-be-carried object in a fixed-point mode according to the optimal grabbing route; and the mechanical arm is controlled to complete grabbing.
Owner:王保山

Recycle bin file recovery method and apparatus

The invention is suitable for the technical field of data processing and provides a recycle bin file recovery method and apparatus. The method comprises the steps of receiving a recovery instruction for files in a recycle bin; judging whether a tag identification model corresponding to the files is updated after the files are written in the recycle bin or not; and if the tag identification model is updated, processing the files based on the updated tag identification model in recovery operation performed on the files according to the recovery instruction. Whether the identification model is updated or not is determined firstly; if the identification model is not updated, pictures are recovered according to the recovery instruction, and tags of the files are written in a tag database; and if the identification model is not updated, the files are processed according to a new identification model, so that the deleted files do not need to be processed during model updating, and the problemof identification result incompatibility among different identification models is solved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Image recognition method and device

The invention discloses an image recognition method and device, and belongs to the technical field of machine learning. The method comprises the steps that in the image recognition process, when a layer of a deep neural network receives a feature map, acquiring at least one feature vector, located in the scanning window, of the feature map based on the scanning window corresponding to an intra-layer convolution kernel; and filtering the first target element in the at least one feature vector and the second target element in the at least one weight vector, the sum of the first target element and the second target element being 0, and the position of the first target element in the feature vector being the same as the position of the second target element in the weight vector; on the basis of the at least one filtered feature vector and the at least one filtered weight vector, carrying out convolution continuously; and based on the feature points obtained by convolution, obtaining a layer output feature map. According to the method, redundant operation in the convolution processing process is avoided, so that the calculation amount of image recognition is greatly reduced, and the image recognition speed and efficiency are improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD +1

Mobile communication control method and mobile communication system

The invention is in use for solving issue of wasting resources caused by that equipment type of called terminal does not support type of service in current technique. The method includes steps: mobile communication network side keeps type id of user terminal equipment, and builds equipment capability register in use for saving information of service types supported by terminal equipment in a type based on the type id of each type of terminal equipment; when continuing service for called terminal equipment, obtaining saved type id of called terminal equipment, after ensuring that the called terminal equipment supports the service by using the said equipment capability register, mobile communication network side continues the service for the called terminal equipment. The mobile communication network includes mobile switching center, visit position register, and terminal equipment capability register.
Owner:HUAWEI TECH CO LTD

Control method and device of air conditioner, air conditioner and computer readable storage medium

The invention discloses a control method of an air conditioner. The control method comprises the steps that a control parameter copy command of a first air conditioner is acquired; based on the control parameter copy command, at least one second air conditioner relevant to the first air conditioner and control parameters currently corresponding to the first air conditioner are acquired; and the control parameters are sent to the at least one second air conditioner so as to control the at least one second air conditioner to operate. The invention further discloses a control device of the air conditioner, the air conditioner and a computer readable storage medium. Control convenience of the air conditioner is improved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Parking space information generation method, device and equipment and computer readable medium

The embodiment of the invention discloses a parking space information generation method, device and equipment and a computer readable medium. One specific embodiment of the method comprises the following steps: in response to a received parking space information generation instruction sent by a terminal of a target vehicle, executing the following parking space information generation steps: acquiring a look-around image around the target vehicle; extracting a feature map set from the look-around images, and the feature maps being used for representing feature information of the look-around images; generating a classification detection result based on the feature map set and a pre-trained classification detection model, the classification detection model being used for detecting whether there are a predetermined number of parking spaces in the look-around image; and in response to the fact that the classification detection result meets a first preset condition, generating a parking space information set based on the feature map set. According to the embodiment, the generation of parking space information is realized, automatic parking space detection and parking space tracking functions are provided, and the power consumption and computing resource requirements are reduced.
Owner:禾多科技(北京)有限公司

Three-value carbon nanotube successive approximation analog-digital converter

The invention discloses a three-value carbon nanotube successive approximation analog-digital converter. The three-value carbon nanotube successive approximation analog-digital converter comprises a bolt lock comparator, a successive comparison logic circuit, a control circuit, a first capacitor array and a second capacitor array; an output end of the lock comparator is connected with an input end of the successive comparison logic circuit, an output end of the successive comparison logic circuit is connected with the control circuit, the first capacitor array and the second capacitor array are the three-value capacitor arrays; the first capacitor array and the second capacitor array are controlled by the control circuit for connecting to three types of voltage for charging and discharging the different capacitor array, effectively avoiding the invalid operation for the switch and greatly reducing the circuit power consumption; the bolt lock comparator adopts the high speed and low power consumption characteristic of the CNFET and adopts the CNFET for designing, the energy consumption and power time delay product can be further reduced; the energy consumption and power time delay product are less, and positive significance can be obtained for further researching low power consumption three-value successive approximation analog-digital converter with larger scale.
Owner:NINGBO UNIV

Method,device and system for processing abnormal data transmission

Provided are a method, device and system for processing abnormal data transmission. The method comprises: a terminal acquires the address of a radio packet gateway; and when abnormal data transmission occurs, if the terminal learns that the connection between the same and the radio packet gateway is normal according to the address of the radio packet gateway, then the terminal keeps the connection. In the method, when abnormal data transmission occurs, the terminal decides whether or not to initiate a connection reestablishment operation according to the state of the connection between the terminal and the radio packet gateway, which can avoid invalid connection reestablishment operation caused by the disconnection or malfunction of the service server, reducing the signalling impact on the gateway and the relevant network device and reducing the cost to the operator of operating the device.
Owner:HUAWEI TECH CO LTD

Output parameter setting method and system of set top box

The invention discloses an output parameter setting method and system of a set top box, and belongs to the technical field of digital television terminals. The output parameter setting method of the set top box comprises the steps of enabling the set top box to be connected with a display device and read extended display identification data of the display device; analyzing the extended display identification data to obtain resolutions supported by the display device, as well as color space and color depth modes in the presence of the corresponding resolutions; switching the resolution of the set top box based on the resolution selected by a user and displaying the color space and the color depth mode supported by the display device in the presence of the current resolution; and receiving the color space and the color depth mode selected by the user and setting the color space and the color depth mode to the set-top box. According to the technical scheme, the output parameter setting method of the set top box has the advantages that invalid operation is avoided as the EDID information of the display device is obtained and the resolution supported by the display device is only displayed while the resolution is set; and redundant display is avoided and convenience is brought to searching as the color space and the color depth mode supported by the display device in the presence ofthe current resolution are only displayed.
Owner:AMOLOGIC (SHANGHAI) CO LTD

Method and system for network management data acquisition

The invention discloses a method and system for network management data acquisition, and belongs to the field of network management. The method includes the steps that a management server sends a triggering condition to a terminal, wherein the triggering condition is used for judging whether the terminal is in a working condition or not; the terminal judges whether the terminal accords with the triggering condition or not in real time according to the triggering condition; when the judging result is positive, the management server carries out network management data acquisition on the terminal. According to the technical scheme, a polling mode is not adopted to conduct acquisition any longer, and network management data acquisition is only carried out on terminal devices in working conditions through active notifications of terminals. Thus, acquisition efficiency is effectively improved, and invalid operations of network management data acquisition can be effectively avoided. In addition, pressure on networks and servers can be relieved, and the method and system are especially suitable for network management data acquisition under large-scale networking conditions.
Owner:CHINA TELECOM CORP LTD

A reconfigurable system configuration controller and a pipeline scheduling method thereof

The invention provides a reconfigurable system configuration controller comprising: a configuration storage module which comprises a configuration packet storage device and a configuration group storage device, wherein the configuration packet storage device is used for storing configuration packets and the configuration group storage device is used for storing configuration groups; a configuration packet analysis module used for analyzing the configuration packets, generating configuration group indexes and configuration group effective flag bits and outputting the same to a configuration group reading module; the configuration group reading module used for reading effective configuration groups from the configuration group storage device according to the configuration group indexes and the configuration group effective flag bits; a configuration group reconfiguration module used for starting or stopping a reconfiguration process and a pipeline execution process of calculating arrays according to whether the configuration groups are in position or not and whether input data are in position or net. The reconfigurable system configuration controller can reduce power consumption of reconfigurable systems and improve the calculating performance of reconfigurable systems.
Owner:SOUTHEAST UNIV

Novel hydraulic elevator with opening-closing signal indication function

The invention discloses a novel hydraulic elevator with an opening-closing signal indication function. The novel hydraulic elevator comprises a left door body, a right door body, a hydraulic cylinderI and a hydraulic cylinder II; one end of the hydraulic cylinder I is connected with the right door body through a right connection rod and a first pull rod, and the other end of the hydraulic cylinder I is connected with the left door body through a left connection rod and a second pull rod; a plunger latch is connected between the left door body and the right door body and provided with a locking mechanism; and the end of a piston rod II of the hydraulic cylinder II is connected with the plunger latch through a pull head, a third pull rod and a fourth pull rod in sequence. The whole device is provided with three signal output parts, when a door body is opened, whether a door is completely opened or not can be determined, only when the door body is completely opened, a door opening hydraulic signal is emitted, and invalid operation that the elevator door is not completely opened is completely eradicated; and after the door is closed, a plunger latch closing signal and a plunger latchpin locking signal are emitted, double insurance is achieved, in addition, the signals are output in a hydraulic signal mode, an operator can be clear about the working state of the elevator, and themal-operation possibility is reduced.
Owner:江苏如东联丰石油机械有限公司

Electric meter reading system and method

The invention relates to an electric meter reading system and method. The system comprises an electric meter concentrator and electric meter measuring units. The electric meter concentrator comprisesat least one electric meter interface, each electric meter interface is used for being inserted by one electric meter measuring unit, the electric meter concentrator further comprises a first interface communication module, and the first interface communication module is in communication with the electric meter measuring units through the electric meter interfaces; the electric meter measuring units are inserted into the electric meter concentrator through the electric meter interfaces and include measuring modules used for recording power consumption data for users, the electric meter measuring units further include second interface communication modules, and the second interface communication modules are in communication with the electric meter concentrator through the electric meter interfaces. The electric meter measuring units of the system are directly inserted into the electric meter concentrator, and the situation is equivalent to the integration of the electric meter concentrator and electric meter measuring units as a whole part. Therefore, the communication between the electric meter measuring units and the electric meter concentrator is internal communication, interference can be reduced, and the communication reliability is improved.
Owner:ZTE CORP

Face recognition method, device and system and readable storage medium

The embodiment of the invention discloses a face recognition method, device and system and a readable storage medium. The face recognition method comprises the following steps: acquiring a frame imagecontaining a face image; dividing a face image region in the frame image based on Haar features, and obtaining a plurality of different regions of interest; extracting a heart rate signal of each region of interest; and performing frequency domain calculation on the plurality of heart rate signals corresponding to the plurality of regions of interest to obtain a heart rate value. The heart rate value with high accuracy can be detected and acquired in real time.
Owner:启航汽车有限公司

Image forming apparatus

An image forming apparatus has a plurality of device modules for executing predetermined functions; and a control module for controlling operation of the device modules. The control module comprises an initialization section for establishing a link; a master data transfer section for transferring data to a device module; and a link checking section for checking the state of the link. When a request for data transfer to a first device module out of the plurality of device modules is made, the link checking section checks the state of the link between the control module and the first device module. When the state of the link checked is determined to be abnormal, the initialization section establishes the link between the control module and the first device module, and then the master data transfer section transfers the data requested to be transferred to the first device module.
Owner:SHARP KK

A method and system for setting output parameters of a set-top box

The invention discloses a method and system for setting output parameters of a set-top box, belonging to the technical field of digital television terminals, comprising the following steps: connecting the set-top box to a display device and reading the extended display identification data of the display device; analyzing the extended display identification data to acquire the display device Support resolution, and the color space and color depth mode supported by the display device at the corresponding resolution; switch the resolution of the set-top box according to the resolution selected by the user, and display the color space and color depth mode supported by the display device at the current resolution; Receive the user's selection of color space and color depth mode and set it to the set-top box. The beneficial effect of the above technical solution is: to obtain the EDID information of the display device, only display the resolution supported by the display device when setting the resolution, and avoid invalid operations; in addition, when setting the color space and color depth mode, only display the resolution of the display device The color space and color depth modes supported under the current resolution avoid redundant display and facilitate search.
Owner:AMOLOGIC (SHANGHAI) CO LTD

Method and device for recovering recycle bin files

The invention is suitable for the technical field of data processing and provides a recycle bin file recovery method and apparatus. The method comprises the steps of receiving a recovery instruction for files in a recycle bin; judging whether a tag identification model corresponding to the files is updated after the files are written in the recycle bin or not; and if the tag identification model is updated, processing the files based on the updated tag identification model in recovery operation performed on the files according to the recovery instruction. Whether the identification model is updated or not is determined firstly; if the identification model is not updated, pictures are recovered according to the recovery instruction, and tags of the files are written in a tag database; and if the identification model is not updated, the files are processed according to a new identification model, so that the deleted files do not need to be processed during model updating, and the problemof identification result incompatibility among different identification models is solved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

A precise grasping method and system for a robotic arm

The invention provides a precise grabbing method for a mechanical arm. The method comprises the following steps that a grabbing position vector diagram containing position coordinates of the mechanical arm position coordinates of an to-be-carried object is acquired; after the grabbing position vector diagram is detected and received, grabbing route data between the mechanical arm position coordinates and the position coordinates of the to-be-carried object are analyzed according to the grabbing position vector diagram, and the data is transmitted to a first laser sensor; when the grabbing route data is detected, the first laser sensor is used for detecting whether an obstacle exists on one grabbing route according to the grabbing route data so as to obtain an alternative grabbing route; anoptimal grabbing route is acquired according to the alternative grabbing route and is transmitted to a second laser sensor; the optimal grabbing route is analyzed, and the second laser sensor is controlled to guide the mechanical arm to the position coordinates of the to-be-carried object in a fixed-point mode according to the optimal grabbing route; and the mechanical arm is controlled to complete grabbing.
Owner:王保山

A Ternary Carbon Nanoscale Field-Effect Transistor Successive Approximation Analog-to-Digital Converter

The invention discloses a ternary carbon nanotube successive approximation analog-to-digital converter, which comprises a latch comparator, a successive comparison logic circuit, a control circuit, a first capacitor array and a second capacitor array, and the output of the lock comparator terminal is connected with the input end of the successive comparison logic circuit, and the output end of the successive comparison logic circuit is connected with the control circuit, the first capacitor array and the second capacitor array are three-valued capacitor arrays, and the first capacitor array and the second capacitor array are controlled by the control circuit The capacitor array is connected to three different voltages, which realizes the charging and discharging operation of different capacitor arrays, effectively avoids the invalid operation of the switch, and greatly reduces the power consumption of the circuit. The latch comparator utilizes the high-speed and low-power consumption characteristics of CNFET , use CNFET to design, further reduce energy consumption and power delay product; the advantages of energy consumption and power delay product are small, which is of positive significance for further research on larger-scale low-power three-valued successive approximation analog-to-digital converters.
Owner:NINGBO UNIV

A method and system for network management data collection

The invention discloses a method and system for network management data collection, belonging to the field of network management. The method includes: the management server sends a trigger condition to the terminal, and the trigger condition is used to judge whether the terminal is in a working state. The terminal judges in real time whether the terminal meets the trigger condition according to the trigger condition. When the judgment result is yes, the management server collects network management data from the terminal. The technical scheme disclosed by the present invention does not adopt the polling method to collect, and only collects the network management data from the terminal equipment in the working state through the active notification of the terminal. In this way, the collection efficiency is effectively improved, and invalid operations of network management data collection can be effectively avoided. In addition, the technical solution can also reduce the pressure on the network and the server, and is especially suitable for the collection of network management data in the case of large-scale networking.
Owner:CHINA TELECOM CORP LTD

A method for judging whether the lightning arrester of reactive power compensation device is electrified

The invention discloses a method for judging whether a lightning arrester of a reactive power compensation device is electrified. One end of a digital voltmeter is connected to a self-made insulating coil, and the other end is connected to the grounding terminal of the lightning arrester of a reactive power compensation device, and the floating voltage of the self-made insulating coil to the ground is measured. ;Change the position and angle of the self-winding insulating coil and the reactor of the device; if the voltage of the digital voltmeter shows a large value and changes greatly, it means that the reactor is charged, and the arrester of the reactive power compensation device is also charged, and it can be connected to the arrester for testing If the voltage value of the digital voltmeter is relatively small and there is no obvious change, it means that the reactor is not charged, and the arrester of the reactive power compensation device is not charged. This method can directly judge the charging status of the outdoor 35kV and 66kV reactive power compensation device arrester without connecting the live tester, which saves manpower, effectively shortens the working time, and improves related work efficiency.
Owner:PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN

Municipal pipeline rainwater recycling pipeline plugging device

The invention relates to the technical field of municipal water conservancy projects, in particular to a municipal pipeline rainwater recycling pipeline plugging device. The municipal pipeline rainwater recycling pipeline plugging device comprises a plugging box, a plurality of plugging plates and a control worm, wherein plugging openings are formed in the top, the bottom, the front side and the rear side of the plugging box in a communicating manner, the multiple plugging plates are located in the multiple plugging openings correspondingly, plugging air bags are arranged at the outer sides of the multiple plugging plates correspondingly, and air bag boxes are fixedly installed at the inner sides of the multiple plugging plates correspondingly; filling air bags are arranged at the front sides and the rear sides of the interior of the air bag boxes, filling openings are formed in the front sides and the rear sides of the air bag boxes in a communicating manner, an inflation nozzle is installed at one side of the plugging box, an inflation pipe is arranged at the inner side of the inflation nozzle, and the inflation pipe is communicated with the multiple plugging air bags and the multiple filling air bags; and the control worm extends into the plugging box and is rotationally connected with the side wall of the plugging box. The municipal pipeline rainwater recycling pipeline plugging device can be flexibly adjusted according to the size of a pipeline, and improves the use flexibility.
Owner:王维韬

Method and device for controlling interface state of routing equipment

The invention discloses a method and a device for controlling the interface state of routing equipment. The invention has the main technical scheme that the method comprises the following steps: carrying out route selection on channel target addresses configured by a first routing equipment interface corresponding to the current channel to determine a second routing equipment interface used for carrying the channel; updating the counter value corresponding to the first routing equipment interface according to the counter valve corresponding to the second routing equipment interface; and configuring the first routing equipment interface into a non-working state when the counter valve corresponding to the first routing equipment interface is determined to reach the set threshold value. According to the technical scheme, the multiple nested encapsulation of messages can be avoided at the source, and the operation efficiency of the routing equipment can be improved. In addition, the generation of the unlimited recursion nested channel can be effectively prevented, and the channel nesting can be realized in channels such as IPv4 over IPv4, IPv6 over IPv4, IPv4 over IPv6 and the like including the IPv4 protocols.
Owner:RUIJIE NETWORKS CO LTD

Network processing method and device, storage medium and electronic device

The present disclosure provides a network processing method, a network processing apparatus, a computer-readable storage medium and an electronic device, and relates to the technical field of networks. The network processing method includes: classifying the preset type of network according to the connection stage of the preset type of network to obtain multiple types of wireless networks; respectively determining corresponding display modes for the multiple types of wireless networks; determining A connection mode corresponding to the display mode, and a plurality of wireless networks of the type are communicated and connected based on the connection mode. The technical solutions in the embodiments of the present disclosure can improve the efficiency and effectiveness of network connection.
Owner:OPPO CHONGQING INTELLIGENT TECH CO LTD
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