2309 results about "Self checking" patented technology

An article inventory control system for articles, such as books, uses RFID tags attached to each article. Each tag has a unique identification or serial number for identifying the individual article. An inventory database tracks all of the tagged articles and maintains circulation status information for each article. Articles are checked out of the library using a patron self-checkout system. Checked out articles are returned to the library via patron self-check in devices. The shelves are periodically scanned with a mobile RFID scanner for updating inventory status.

A three-dimensional architecture chip includes a base chip including a unit integrated thereon and configured to perform electrical signal operations. An active layer is separately fabricated from the base layer. The active layer includes a component to service the unit of the base chip. The active layer is bonded to the base chip such that the component is aligned in vertical proximity of the unit. An electrical connection connects the unit to the component through vertical layers of at least one of the base chip and the active layer.

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.

A circuit protection device connected between two lines of an AC power source self checks for an introduced simulated ground fault every half cycle during a period when a trip SCR cannot conduct. If the self check fails, the device is tripped on the next half cycle of different phase. Possible responses to the self check failure include lighting an indicator lamp and locking out the device reset mechanism.

A system for managing a plurality of media includes an apparatus that houses a subset of the plurality. The apparatus may dispense media, either in raw or packaged form, and may receive media in response to customer requests and transactions, by identifying and authenticating customers and media. The apparatus may be configured to operate alone or the apparatus may interface with a host circulation system and may connect to customer and media databases within the host circulation system to manage a plurality of media greater than the subset physically housed within. Additionally, the apparatus may be used as a self check-out station for items that are not housed within. The system maintains a transactional log and may provide a transactional receipt to each customer as well as accept payment as part of a customer transaction. Additionally, the system may include a remote servicing system to maintain the apparatus.

Methods and apparatus are provided for verifying and validating operation of a design under test (DUT). Input data sequences having information used to check expected outputs are provided to a DUT. The input data sequences include checking headers and data. The checking headers and data are randomized using encryption to verify and validate operation of the DUT on a variety of bit sequences. Different keys are used to allow further scrambling.

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.

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.

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.

Disclosed is a method, a computer system and a computer readable media product that contains a set of computer executable software instructions for directing the computer system to execute a process for generating improved abbreviated uniform resource identifiers (URI) commonly called an URL. A system comprises an URL shortening server, coupled to a web filter, coupled to a proxy server, coupled to a domain name system server. A user may append host and domain as a suffix to a shortened URL to request at least one of web filtering, categorization, and preview before redirection to the site. A site receives a request for an abbreviated URL or a categorized abbreviated URL which is provided upon passing a webfilter.

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.

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.

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.

A system and method is provided for using network asset management data including attributes such as device type, location, and link speed for modeling network performance and identifying performance issues. Functionally complete mathematical characterization of a system may be employed in order to create a system for problem recognition and resolution in which disruptive changes to physical and logical system components are only performed when necessary. Mathematical analysis of pings (or other time stamped traffic) and mathematical analysis of MIB and other asset data may be performed separately and the results compared to “self-check” and form and verify the complete mathematical characterization of a network system. Additionally, the invention may provide projections of performance impacts based upon proposed changes to one or more components in the network. Performance metrics, ping times, MIB data, link speeds, propagation delays, device latency, serialization rates, conversational speeds, conversational utilization and other data are used to model a network for determining or isolating problematic issues and to forecast performance impacts of potential changes to the network.

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.

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.

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.

The invention discloses an air conditioning fault detection method. In the detection method, a detection device is communicated with an air conditioner through a wireless fidelity (WIFI) network and then controls an air conditioning controller to perform self-checking on the air conditioner. The air conditioning fault detection method can determine fault points of the air conditioner conveniently and rapidly, confirms fault positions and types, and reduces maintenance time of the air conditioner.

The invention belongs to the technical field of industrial monitoring and particularly relates to a method for monitoring and processing various sensors. The method utilizes relativity of signals measured by the various sensors in various sensor systems and adopts multipath measurement signals to achieve failure diagnosis, warning and failure isolation of the sensors, and does not need a single sensor work state monitoring system, thereby simplifying system structure and improving reliability of a self-checking system.

A device for detecting errors with an integrated self-check, on an integrated circuit comprising a serial link control function for constituting an input-output port (109) between a parallel bus (L2CB, C2LB) and a serial link. The integrated circuit comprises a serializer circuit (109T) on output and a deserializer circuit (109R) on input. An insertion buffer I-sb has each of its outputs connected to one input of an exclusive OR operation with two inputs. The second input of the exclusive OR operation receives a piece of information (o-s) to be transmitted in order to constitute, with the insertion information issuing from the insertion buffer, a piece of substitute information. An additional buffer (I-tb) makes it possible to compare the sequence supplied as output from the exclusive OR with a sequence stored in the additional buffer (I-tb) in order to validate the transmission of the substitute sequence. A history buffer (HIB) stores characters received from the deserializer and makes it possible to diagnose the error.

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.

The invention discloses an active learning based data automatic marking method, and belongs to the field of active learning. The data automatic marking method comprises the steps of 101, processing marked data and unmarked data; 102, classifying the unmarked data by using a plurality of different classifiers; 103, selecting data with low difference entropy; 104, performing manual marking on the data with low difference entropy; and 105, performing self-checking on a manual marking result. The invention provides a data automatic marking system with a self-checking function through combining an active learning method in allusion a problem of how to ensure the accuracy of manually marked data as far as possible while reducing the volume of the manually marked data, thereby achieving the purposes of reducing the workload and improving the accuracy of the manually marked data.

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.

The invention relates to a power system of an oil-electricity four-drive hybrid electric vehicle and a control method thereof. The system takes a motor and a dynamo as impendent power sources for driving front driving wheels and rear driving wheels of a vehicle respectively, adopts a motor controller to control the motor to operate, adopts a dynamo controller to control the dynamo to operate, andadopts a whole vehicle controller to control the dynamo controller and the motor controller to operate; according to equipment parameters and operating parameters of the vehicle, the whole vehicle controller determines a drive mode of the vehicle and the switching among different drive modes; and a control mode comprises a self-check mode, a pure motor drive mode, a pure dynamo drive mode, a motor single drive mode, a dynamo single drive mode, a motor-dynamo double-drive mode and a power failure mode. The power system can farthest exert the advantages of the motor and the dynamo, meets requirements under different conditions, and achieves the aims of reducing operating expense, saving energy and protecting environment.

A controller in a fuel cell system performs various operating parameter checks at a predefined schedule, including one or more of a stack current check; a stack voltage check; a cell voltage check; a purge cell check; an oxygen concentration check; a hydrogen concentration check; a stack temperature check; an ambient air temperature check; a fuel pressure check; and an airflow rate check; a hydrogen sensor heater check; a battery voltage check; a microcontroller self-check; and / or toggling a watchdog. The frequency of the checks are set relative to achieve an efficient control of the fuel cell system by selectively distributing the load on the microcontroller.

The object of this invention is to provide an electronic shopping cart which enables customers scan the products, view the totals and complete the transaction by means of self check-out. This invention relates to an electronic shopping cart which acts as a client in the wireless network environment and communicates with the server by means of an operating system, scan the products selected by the customer, displays the cost of current product and total cost of all the products in the cart and provides various options by means of graphic display and upon completion of product selection, prompts the customers to move to a payment station and complete the transaction by means of self-checkout.

The invention discloses a twin port calibration method for a nonlinearity vector network analyzer, relates to the technical field of microwave millimeter wave measurement and solves the problems that twin port calibration technology of existing nonlinearity vector network analyzers is single, and self-checking of a calibration result is difficult. Two ports of the nonlinearity vector network analyzer are utilized to perform open circuit, short circuit, loading, power, phase position and through calibrations respectively to obtain a nominal value and an actual measured value of a calibrated workpiece, eight error models are determined according to all obtained coefficients, and the calibration for the nonlinearity vector network analyzer is achieved. The twin port calibration method for the nonlinearity vector network analyzer is applicable to signal analysis and the most in-depth analysis for characteristics of non-linear devices.

The invention discloses a sensor self-checking system of an intelligent driving vehicle. The sensor self-checking system is an integrated multi-sensor self-checking system, when states of all sensors of the intelligent driving vehicle are detected, self-checking results of all the sensors are integrated, the checking results are classified, sense redundancy brought by multiple sensors with the same classification is utilized, sensor fault testing and detection are further conducted, and the comprehensive sensor state of the intelligent driving vehicle is reasonably judged. The invention further provides an intelligent driving vehicle multi-sensing fusing system, the sensor self-checking system completes self-checking and state judgment of an integrated sensor, and self-checking information sent by the sensor self-checking system is utilized to be subjected to information fusing processing at the same time, according to a dynamic result of sensor self-checking and with the combination of a planning controlling algorithm, a sensitive degree of misinformation and a missing report are subjected to intelligent fusing, and the intelligent driving vehicle is helped to make a more reasonable plan and controlling strategy.