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2304 results about "Self checking" patented technology

Self Check lets you confirm that your employment eligibility information is in order by checking it against the same databases E-Verify uses when employers enter a case. If Self Check finds a data-mismatch, you can receive instructions to correct your records with the appropriate federal agency.

Intelligent battery management system of electric car

The invention relates to an intelligent battery management system of an electric car. In the invention, a core control module is connected with N battery data collecting modules via a K bus and is connected with a charging module, a battery pack monitoring module and a touch screen display system; the battery management system comprises a database management module, the battery pack monitoring module, a self-checking control module and an abnormal control module; the battery data collecting modules are provided with a plurality of battery data collecting control chips; and the core control module is connected to computer control software by utilizing a universal serial bus (usb) interface. The battery management system provided by the invention has the advantage of solving the problems that real-time and dynamic comparison cannot be carried out, a corresponding fault processing function and a mutual information platform are lacked and the like in the past. The invention realizes that data such as voltage, current, temperature and the like of a battery are subjected to acquisition, SOC (State of Charge) estimation, real-time communication, equalization and insulation monitoring and compared with each standard datum in a database, so that a dynamic contrast model is established; and due to the adoption of a layered pattern, the control modules are used for controlling the voltage, the current and the temperature. The interaction with users and the warning are carried out through a touch screen.
Owner:江苏南极星新能源技术股份有限公司

Unidirectional reliable transmission method and transceiving device based on data packets

The invention relates to a unidirectional reliable transmission method and a transceiving device based on data packages, belonging to the field of computer networks. In the method, a transmitting end firstly segments an information data block into data package sequences, classifies the data packages, covers erasure correcting codes and carries out coding to generate a redundancy packet covered by each subcode, then carries out cyclic redundancy code (CRC) coding on each data package, finishes the packaging of the data packages, carries out forward error correction (FEC) coding inside the packages on all data packages and finally transmits data into a receiving end; and the receiving end firstly carries out caching on data packages, FEC decoding inside the packages on all data, sequencing on the data packages and verifying by CRC codes, judges whether the data packages lose or not by detecting package numbers and carries out package loss recovery if information data packages lose. The invention solves the technical field of not being capable of carrying out self-checking and error self-correction based on data package transmission under a unidirectional channel and can correct in-packet information errors inside the packages and recover continuous package loss.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Vehicle intellectualized management system

The present invention relates to an omnidirectional intelligentized remote networking system in automotive field, and is in particular suitable to an intelligentized management system in car maintenance. The present invention mainly comprises three subsystems that are running condition detecting system, condition decoding system and fault early warning notice system of the car, wherein, the running condition detecting comprises an OBD vehicle automatic diagnosis module and an additional inspection module, the additional inspection module uses an optical fiber to transmit the inspection result data, which is transmitted to a condition decoding module together with a data output by the OBD vehicle automatic diagnosis module; the condition decoding module unscrambles an OBD fault code and an additional detection sensing detecting data, the fault code is transmitted to the fault early warning notice system, and the control center and users are informed through mobile communication network by utilizing a GSM/GPRS module chip. Compared with the prior art, the present invention has the functions of remote self-check diagnosis and fault early warning for vehicle fault, thus realizing that the fault detection and the fault resolution are real time, accurate and effective, and offering the potent assurance to the daily maintenance work of vehicles, the personnel safety of the owners of the vehicles, and the unimpeded transport of urban and rural road.
Owner:李克明 +3

Reconfigurable on-board computer of redundancy arbitration mechanism

InactiveCN101833536AImprove software and hardware configurationFlexibleArchitecture with multiple processing unitsMain processing unitElectronic systems
The invention relates to a reconfigurable on-board computer of a redundancy arbitration mechanism. The reconfigurable on-board computer consists of a main processing unit, a backup processing unit, an arbitration module and a power supply management module, wherein by adopting a double-computer cold backup mode and based on a Power PC processor and a software configurable interface, the main processing unit and the backup processing unit can realize software configuration of the on-board computer through satellite-to-ground links. Algorithms of failure detection, self-check and double-computer switching arbitration of the on-board computer are stored in the arbitration module; the arbitration module consists of two sets of FPGA, which detect failures of the main processing unit and the backup processing unit, performs internal self-check in real time respectively, form failure judgment on the main processing unit and the backup processing unit and the redundancy arbitration of the double-computer switching, and finally report the arbitration results such as restoration, switching and the like to the power supply management module in an instruction format for performing. The reconfigurable on-board computer performs cold backup design on the main processing unit and the backup processing unit, and performs failure detection and double-computer switching by using the arbitration module, so that the reconfigurable on-board computer has the advantages of high processing capacity, flexible function, high reliability, low energy consumption, and the computer has important value in the development of electronic systems of micro/nano satellites.
Owner:BEIHANG UNIV

Method for upgrading software for embedded Ethernet equipment and embedded Ethernet equipment

The invention discloses a method for upgrading software for embedded Ethernet equipment and the embedded Ethernet equipment. The method comprises the following steps of: designating remote boot and application program files corresponding to different equipment types on an upgrading server in advance; after hardware of the embedded Ethernet equipment is powered on, loading a hardware driver; applying to the upgrading server for an IP (internet protocol) address through the driver and obtaining upgrading information from the upgrading server; when finding that the upgrading of an application program needs to be carried out according to the upgrading information, downloading the remote boot program file from the upgrading server according to the equipment type of the embedded Ethernet equipment and loading the remote boot program file to carry out self-checking of the hardware of the equipment and hardware initialization; after completing initialization, downloading the application program file from the updating server according to the equipment type of the embedded Ethernet equipment and loading the application program file according to a remote boot program; operating a network management system; and reading a configuration file to carry out parameter setting so as to complete the starting process of the equipment. Due to the adoption of the method and the embedded Ethernet equipment, when the storage space is saved, the upgrading reliability is improved.
Owner:新华三智能终端有限公司

Household electrical appliance maintenance system and household electrical appliance with self-checking function

The invention discloses a household electrical appliance maintenance system and a household electrical appliance with a self-checking function. The system disclosed by the invention comprises a household electrical appliance and a remote server, wherein the household electrical appliance comprises a hardware self-checking unit, an operation monitoring unit and a data finishing unit; the hardware self-checking unit is used for starting a self-checking program to check the hardware data of the household electrical appliance; the operation monitoring unit is used for detecting the operating data of the household electrical appliance; the data finishing unit is used for obtaining the hardware data from the hardware self-checking unit, obtaining the operating data from the operation monitoring unit and determining the abnormal data by comparing the hardware data and the operating data with preset normal data; the remote server comprises a data analysis unit and a maintenance determining unit; the data analysis unit is used for analyzing the abnormal data provided by a fault data finishing unit in the household electrical appliance to determine the operating state of the household electrical appliance; and the maintenance determining unit is used for providing a maintenance scheme with pertinence according to the operating state of the household electrical appliance which is determined by the data analysis unit. The household electrical appliance maintenance system disclosed by the invention can predict potential hidden dangers and alarm a user in time before the household electrical appliance has a fault, and provide the maintenance scheme with pertinence as long as the household electrical appliance has a fault.
Owner:HISENSE VISUAL TECH CO LTD

Routing inspection method and routing inspection robot system applied to high-speed railway machine room

The invention discloses a routing inspection method applied to a high-speed railway machine room. The routing inspection method comprises the following steps that (1), a routing inspection robot is started, and start-up status self-check and equipment initialization are performed; (2), a routing inspection task file is read, the target equipment cabinet number to be detected is obtained, and the position information of equipment cabinets to be detected is exported from the equipment cabinet position database; (3), the routing inspection robot performs real-time positioning according to laser radar data, performs global path planning and local path planning and reaches the target equipment cabinet positions in sequence, when the routing inspection robot reaches the target equipment cabinetpositions, environment detection is performed, and detection is performed on the equipment cabinet state according to a deep learning neural network model and an image recognition algorithm. The invention provides a corresponding routing inspection robot system at the same time, and the routing inspection robot system can be used for performing automatic regular routing inspection on high-speed railway machine room equipment and can finish emergency routing inspection tasks through remote control when an emergency occurs.
Owner:北京飞鸿云际科技有限公司

Data processing and communication method for driving tour team

The invention discloses a data processing and communication method for a driving tour team and relates to a method for providing navigation and communication services for vehicles through a navigation center. The method comprises that: navigation equipment on a vehicle participating in the driving tour is registered in a database of the navigation center; the navigation center saves and forwards team information of a leader vehicle; the navigation center allows team member vehicles to join the team; the navigation center provides the team member vehicle information for the leader vehicle; the navigation center navigates each member vehicle of the team according to the specified route in the team information and transmits the position information of each member vehicle of the team; and each member vehicle of the team self-checks the fall-off condition according to the position information. By providing synchronous information interaction for the leader vehicle and each member vehicle in the driving tour team by the navigation center through a mobile communication network, the problems that the leader and each member perform one-to-one telephone contact in the driving tour team, that the leader has high telephone communication traffic and that a lot of time of the leader is taken up are solved.
Owner:XIAMEN YAXON NETWORKS CO LTD

Control method for coordination and automatic power generation of coal quality self-adaptive thermal power generating unit

InactiveCN101788155AEnsure coordinationGuaranteed AGC control indicatorsFuel supply regulationSteam pressureAir volume
The invention provides a control method for coordination and automatic power generation of a coal quality self-adaptive thermal power generating unit. The method comprises the following steps of: 1, compressively determining the coal quality according to parameters including first-level pressure of a steam engine, drum pressure, coal feed, unit load and the like; 2, by the determined coal quality, performing the coal quality self-adaptive control over main control systems of fuel, coordination, air delivery and the like; 3, by core control strategies of boiler load commands, main steam pressure settings, a coal quality self-checking positive load upper limit and the like, realizing the control over the coal quality self-adaptive coordination and automatic power generation of the thermal power generating unit; and 4, realizing the automatic safe operation of the thermal power generating unit by improving safety locking conditions of the thermal power generating unit. The method has the following obviously advantages that: under a fluctuating condition of the coal quality of the thermal power generating unit, the automatic power generation and the coordination control of the thermal power generating unit are unnecessarily intervened by people, and the scheduling requirements are still met; and compared with the conventional control method, the control method of the invention has the advantages that: the accuracies of the main controlled parameters of the thermal power generating unit are further improved; and simultaneously, the automatic power generation control indexes and the safety and the economy of the thermal power generating unit are enhanced.
Owner:云南电力试验研究院(集团)有限公司

On-line DC detection method and system for internal resistance of accumulator

ActiveCN101477149AEasy to monitorMonitor internal resistance state change trendResistance/reactance/impedenceElectrical testingElectrical batterySelf checking
The invention discloses an on-line direct current detection method for internal resistance of a storage battery, which comprises the steps of: detecting the discharge current when the storage battery performs self-checking discharge in power supply equipment, recording the discharge current as a first current value when an instantaneous value of the discharge current is greater than a preset upper limit value, detecting the voltage of single batteries in the storage battery at the moment, and recording the voltage as a first voltage value; recording the discharge current as a second current value when the instantaneous value of the discharge current is smaller than a preset lower limit value, detecting the voltage of the single batteries at the moment, and recording the voltage as a second voltage value; and obtaining the internal resistance of the single batteries by dividing the difference between the first current value and the second current value by the difference between the first voltage value and the second voltage value. The invention also discloses an on-line direct current detection system of the internal resistance of the storage battery which applies the detection method. By utilizing the self-checking discharge of the power supply equipment, the invention provides the on-line detection method for the internal resistance of the storage battery and the on-line detection system for the internal resistance of the storage battery with simple test means and high detection precision.
Owner:EMERSON NETWORK POWER CO LTD

Anti-counterfeiting fingerprint identification device and fingerprint identification method

The invention discloses an anti-counterfeiting fingerprint identification device and an anti-counterfeiting fingerprint identification method. The device is provided with a sense control unit which comprises a CapSenseSigma-Delta (CSD) chip, wherein the CSD sense chip is connected with a conductive film. Fingerprints of living organisms are judged by recording an increment in the CSD sense chip and summating numeric codes converted by a modulator. The fingerprint identification method comprises the following steps in turn: 1) initializing; 2) circuit self-checking; 3) performing a corresponding program according to information input by a user; 4) judging whether to communicate; 5) acquiring image data; and 6) comparing registered users. The device of the invention has low cost, can outputa signal by touching lightly, does not need to adopt any distortion correction optical element, and can reduce manufacturing cost and realize miniaturization; the linear distortion relationship obtained by comparing an acquired fingerprint image with an actual fingerprint image can be corrected by software; and therefore, the device has the advantages of high quality of acquired optical imaging image, high fingerprint identification reliability, low error identification rate, good effect on anti-counterfeiting fingerprints, simple structure and low power consumption.
Owner:熵基科技(广东)有限公司

Secure portable data transport & storage system

A portable data transport device that provides security to data stored therein, and is configured to communicate data with a host computer for securing and transporting data. The portable data transport device includes a first processor and a biometric identification system. Upon successful biometric identification of an enrolled user, the first processor permits mounting of the data transport device to a host computer. However, prior to the commencement of read / write operations, cross-checking of stored identification codes of components of the portable data transport device occurs, including the use of a hash function. If any identifier does not match, no read / write data operations are permitted. The portable data transport device includes a file security program that includes a DLL encryption / decryption program having a self-check feature. Upon self check, if any changes were made to the encryption / decryption program, no read / write operations are permitted. The portable data transport device permits the selection of multiple files for encryption together into a single data container pack file and to store that data container pack file. The file security program permits an enrolled user at a host computer to assign only a password to a data container pack file. If a user at a host computer enters an incorrect password a predetermined number of times, portable data transport device processor will erase all data in any volatile memory it is using and will lock itself in a non-operational configuration.
Owner:PHOTONIC DATA SECURITY
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