157results about How to "Strong openness" patented technology

The invention relates to a power battery management system of an electric automobile. In order to improve the estimating precision, the invention provides a method for estimating a charge state of a power battery of the electric automobile. The method comprises the following steps: acquiring the terminal voltage, the charging and discharging current and the battery surface temperature of the power battery; according to a corresponding relationship between the open-circuit voltage and the state of charge of the power battery, analyzing to obtain an open-circuit voltage model, and according to an input matrix, a parameter matrix and an output matrix of a dynamic voltage system of the power battery, establishing a dynamic voltage model of the dynamic voltage system; updating time and measurement of a state observer to obtain priori estimated values and posteriori estimated values of a system state as well as a covariance matrix of a system state estimating error at a time point k, and circulating the updating operation till the end of estimation to obtain the state of charge (SoC) of the power battery. By the method, the estimating precision of the SoC can be improved to be within 5%, and when a set value of the SoC of the power battery is deviated from a reference value of the SoC of the power battery, the SoC is rapidly converged to the reference value.

The invention provides an automobile diagnosing device which comprises a storage, a controller area network (CAN) controller/transceiver and a processor. The storage is used for storing a Chinese character base, an automobile model parameter data base and automobile CAN messages. The CAN controller/transceiver is connected with an automobile and used for receiving the CAN messages from an automobile. The processor is used for generating and updating the automobile model parameter data base, configuring automobile model parameters in the automobile model parameter data base, generating a monitored message list according to the configured automobile model parameters, maintaining the monitored message list, monitoring the plurality of CAN messages from the automobile according to the messages in the monitored message list and conducting fault diagnosis on the automobile according to monitoring results. The automobile diagnosing device supports detection of a main line signal appointed by a user and facilitates fault detection in after-sale and researching and development processes of the automobile.

The invention provides an on-site level radio testing system and a method thereof for the network debugging application of underwater sound sensors, which relate to the field of system tests. A backbone network of the testing system is built on the basis of a radio-frequency radio communication mode and comprises a trunk node (1) which simultaneously supports radio-frequency communication and wired communication, a convergent node (2) and a system administrative center (3) which simultaneously support the radio-frequency communication and the wired communication, and the trunk node (1) provides a wired communication interface for the communication of underwater sound communication testing nodes. The method comprises a uniform transmission mode of automatic framing data packets in different transmission agent, and a TDMA-based two-way transmission method of water surface radio-frequency radio communication. The method can be widely applied to tests in aspects, such as the study of algorism for processing signals of underwater communication systems and the study of the network communication protocol of underwater sound sensors.

The invention discloses an access control system and an access control method of the fine-grained privacy security. The access control system of the social networking service fine-grained privacy security comprises a strategy management module, a social networking service group control module, a request processing module, an access control module, an optimizing module and an execution module. The strategy management module is used for maintaining and combining access control strategies; the social networking service group control module is used for maintaining all attribute sets; the request processing module is used for verifying identification; the access control module is used for carrying out the decision for the access request to obtain a decision result; the optimizing module is used for carrying out the exclusiveness processing on the decision result; the execution module is used for executing the decision result. The access control system is used for controlling the security of data flow in the social networking service, a more fine-grained access control mechanism is provided for a user, the user privacy can be protected, and the application requirement of the social networking service can be met.

The invention relates to a high-availability industrial Ethernet redundancy method, which comprises the following steps: adding a link redundancy entity on an original data link layer of the Ethernet for managing the sending and receiving of data frames of the Ethernet; setting two network adapter drivers relative to an original protocol stack for managing two network adapter interfaces; connecting a double-connected node which comprises the link redundancy entity and the two network adapter drivers to two independent networks respectively through two network adapters; adding a redundancy control tracker for the data frames on the link redundancy entity for distinguishing the data frames with the same content; sending the data frames which have the same content and is provided with the redundancy control tracker to two mutually-independent networks by the double-connected node through the two network adapters; keeping effective frames and discarding copy frames; and setting up a node table. The method has the characteristics of transparency, self-healing property and compatibility and the like; and the reconstruction thereof is simple, and the safety performance of the system is increased so as to enable the system to have high usability.

A blue-tooth wireless sensor includes a data collection module, a blue-tooth wireless moule further processing and transmitting data wirelessly, a program control module responsible for data collection, process and data communication with a level device. This device is mainly used in wireless data collection under industrial field control, it can set up connection and carry out data exchange with any device in conformity with blue-tooth wireless sensor stipulations and forms a wireless acess system with the level device by forming networks with multiple sensors to be used in many fields difficult of laying out cables.

The invention discloses a LabView-based real-time monitoring system for a laser cladding/laser re-melting process temperature field, which comprises a software control part and a temperature measuring device, wherein the software control part is composed of a LabView program and a single chip program; the temperature measuring device is composed of an infrared temperature measuring sensor, a single chip, a single chip power supply module, a sensor power supply module, a 22.1184MHz crystal oscillator, a resetting circuit and a laser processing machine tool; the system can be used for realizing the functions of real-time collecting and dynamic monitoring for the temperature data in the laser processing processes of laser re-melting, laser cladding and laser welding, high-temperature alarming, temperature data storage and output, setting for different temperature curve display modes, temperature curve picture output, setting for different temperature precisions, dynamic display of temperature curves, data playback, check and editing, and the like; and the sensors with different temperature measuring scopes are selected according to the temperature measuring demand, so that the temperature measurement within the scope of 0-2500 DEG C is realized.

The invention provides a spherical fruit and vegetable picking robot. The spherical fruit and vegetable picking robot comprises a robot body, the robot body is provided with a movement mechanism, andthe movement mechanism is a crawler-type movement wheel, an executing mechanism at the tail end of the robot vacuates a vacuum sucker to adsorb to-be-picked fruits and vegetables through a vacuum pump, a first pressure sensor on the vacuum sucker feeds back negative information of the vacuum sucker, a first linear motor and a second linear motor respectively stretches or compresses a first springand a second spring, so that a first copying finger and a second copying finger expand outward or retract inward to achieve the clamping of the fruit and vegetables with different sizes, second pressure sensors on the first copying finger and second copying finger feed back the clamping force, the surfaces of the inner sides of the first copying finger and second copying finger are covered with soft silicone pads, the damage to the outer peel of the fruits and vegetables is avoided very well, a hydraulic cylinder drives scissors on the end portion of a shear-fork telescopic rod to cut fruit stems, thereby achieving the separation between the to-be-picked fruits and vegetables and plants.

The invention discloses a method and a device for integrating television application modules. The method comprises the following steps: establishing a thread for acquiring key events; acquiring the key events according to the thread; judging the types of the key events, enabling the types to comprise valid key events and invalid key events; filtering the invalid key events according to judgment results, and transferring the valid key events to the application module so as to enable the application module to actuate corresponding operations. The device for integrating the television application modules is further disclosed. The method and the device for integrating the television application modules can improve the openness and transportability of a product so as to improve development efficiency.

Embodiments of the invention disclose a protocol data management method, apparatus and system, and a storage medium, and belong to the technical field of the internet. The method is applied to the protocol data management system. The system comprises a management server and a block chain network; and each node in the block chain network is configured with the same block chain. The method comprisesthe steps of receiving a protocol data signing request sent by an application server through the management server; based on the protocol data signing request, generating a second block according toa data identifier and an eigenvalue of a first block, adding the second block to the block chain to obtain an updated block chain; and establishing a corresponding relationship between a personal useridentifier and the second block in a first index table. The data identifier of protocol data signed by a personal user is stored in the block chain; a characteristic that the data of the block chaincannot be tampered is utilized; the security and reliability of the data identifier are ensured; and an event that a malicious user tampers or denies the signed protocol data is avoided.

The invention discloses an intelligent conference control method and system. The method comprises acquisition of authorized user information, key generation, database establishment, conference room reservation request determination service, directional transmission of participant information, turn-on of conference auxiliary equipment, attendance service and conference end processing. The system comprises an authorized user data acquisition module, a key generation module, an employee data acquisition module, a conference room information acquisition module, a storage module, a conference roomreservation request determination service module, a conference determination information generation and transmission module, a conference room internal control module, a conference room access identification module, an attendance service module and a communication module. The method and the system can arrange conference proceedings accurately and efficiently, maximize the use of a conference room,reduce the labor intensity of manual registration schedules, conveniently and quickly handle the reservation and proceeding of various conferences, achieve automation and intelligence, realize the goal of unmanned management of the conference room, and have high practical value.

The invention relates to the technical field of threat intelligence and discloses a safety device threat intelligence sharing method based on a lightweight field body. The safety device threat intelligence sharing method comprises the following steps that 1, the lightweight body is adopted as an inter-device information communication medium, and a threat intelligence general-field body is established; 2, an intelligence producer localizes the threat intelligence general-field body, obtains original threat intelligence information from network space and converts and maps the original threat intelligence information into lightweight body knowledges; 3, an intelligence forwarding person forwards the lightweight body knowledges to an intelligence user based on body communication service; 4, the intelligence user converts and adapts the received lightweight body knowledges into locally dedicated strategy descriptions acting on operation of network space. The safety device threat intelligence sharing accuracy is improved, the expansibility, content correlation, interface opening and concept consistency capability of inter-device threat intelligence interaction is improved, and the threat intelligence sharing efficiency is improved.

The invention relates to an evaluation system of an extendable program competition based on services. The evaluation system consists of a Web server, an application server, an evaluation scheduling server, a data server, a backup server and an evaluation server. The application server and the evaluation scheduling server are connected with the Web server by network respectively; the evaluation scheduling server is connected with the data server, the backup server and the evaluation server in a communication manner respectively; and the application server is connected with the data server and the backup server in a communication manner respectively. By adopting the system, the structure is easy to extend, and an on-line evaluation system has a large throughput, fast response speed and strong openness. The data safety is ensured by the backup server and an incremental backup mode. Meanwhile, the dynamic evaluation dispatch strategy has a large application range and strong flexibility, so that the system is suitable for program evaluation in the program competition and can be applied in a computer teaching experiment.

The invention provides a satellite ground closed-loop simulator based on a PXI architecture. The satellite ground closed-loop simulator is used for ground closed-loop testing of a satellite attitude control system. The PXI architecture is adopted for the designed satellite ground closed-loop simulator to implement flexible configuration of each module, implemented main functions comprise implementation and output of simulation data of a dynamics simulation computer, an attitude control sensor simulator and an attitude control execution mechanism simulator. The computation period of the dynamics simulation computer is 1 ms, and the satellite ground closed-loop simulator has the advantages of being quick in speed and high in safety and flexibility.

The invention discloses an experiment practical training device of a central air-conditioning system, which comprises a cooling tower, a control platform, a part mounting frame, a high lever water tank, a simulation air-conditioning area, a simulation boiler and a system frame, wherein the cooling tower, the part mounting frame, the high lever water tank and the simulation boiler are arranged on the system frame. Using the experiment practical training device, various works which are experiment practical training teaching of the central air-conditioning system, engineering training, the application of sensor detection technique, programmable control technique and the development of configuration technical program and the like can be done, and the experiment practical training device has a large practical value.

The invention discloses an aero-engine blade robot autonomous measurement method and system. The method comprises the steps: calibrating a servo rotary workbench, a structured light three-dimensionalscanner and a robot, arranging measurement points according to an aero-engine blade design model, planning a robot measurement path, measuring the three-dimensional morphology of the aero-engine blade, and processing measurement data of the aero-engine blade. The system comprises a hardware system and a software system, wherein the hardware system comprises a servo rotary worktable, a blade measuring clamp, a structured light three-dimensional scanner, a robot, a robot control cabinet and an industrial computer; the software system comprises a measurement system calibration module, a measurement point layout module, a robot measurement path planning module, a point cloud data processing and visualization module, a three-dimensional model format conversion module, a man-machine interactionmodule and a measurement process control module. Measurement points are automatically arranged according to a product design model, a robot measurement path is generated, and robot autonomous measurement is achieved.

The invention provides a CMMB super-hotpot platform, and the platform comprises a central management server, a database and a client, wherein the central management server, the database and the client communicate with each other. The central management server comprises a finished product warehouse server and a central management layer. The central management layer comprises a content management system, an operation management system, a business supporting system, an advertisement management system, an equipment management system, and a big data system. The platform can achieve the check management of contents, catalogs and an EPG (electronic program guide), also can achieve the management of terminal equipment and users, also can achieve the business supporting functions of product management and charging settlement, builds an end-to-end safety broadcast control system, and meets the implementation demands of multiple business modes which take big data, precise advertisement putting, and O2O.

The invention relates to the field of radio communication, and discloses a software radio communication method and system. The method comprises the following steps: receiving a radio frequency signal, selecting a local oscillator according to a wave band on which the radio frequency signal is positioned, and shifting the wave band on which the radio frequency signal is positioned to a fixed intermediate frequency; digitally converting a broadband intermediate frequency signal, shifting the digitally-converted broadband intermediate frequency signal to a zero intermediate frequency via down conversion, and performing multi-rate conversion to obtain a low-speed baseband signal; and calling a preset mode in a software way, demodulating the low-speed baseband signal and completing information recovery of the demodulated signal to obtain receiving information. Through the technical scheme of the invention, multi-band, multi-rate and multi-mode signal modulation and demodulation can be realized, and a real software radio system becomes a reality. The method and system have very high flexibility, openness and expandability, and can be widely applied to the field of radio communication.

The invention relates to a laboratory effluent treatment device in the field of pollution prevention equipment. The effluent treatment device comprises a plurality of effluent classified storage tanks, a redox reactor, a mixing pond, a pH regulating tank, a microelectrolysis reactor, a hydrolytic acidification reactor, a DN biological aerated filter, a C/N biological aerated filter, a sloping panel settling pond, a sludge thickening pond, a plurality of reagent storage boxes and a chamber type filer press, wherein collected acid pickle is used as a regent of the treatment device to regulate the pH value; the effluent is classified and pretreated through the redox reactor, and then the pollutant in the water is further removed by using physico-chemical and biochemical treatment devices after the classified effluent is mixed, and then the water is discharged after achieving the standard; the sludge is treated by using the dehydrating device to form a mud cake and then is disposed by rule. The device can be used for treating high concentration laboratory effluent, the engineering investment is saved, the floor area is small, and the operation management is convenient. The COD, ammonia nitrogen, phosphorous and heavy metal can be effectively removed, and the average removal rate can achieve above 99.5%.

The invention discloses an auxiliary travel method and an auxiliary travel system based on image recognition. The method comprises the steps of speech acquisition and analysis, route planning and design, real-time navigation information determination, timely navigation broadcasting and the like; the system comprises a storage module, a speech acquisition module, a speech data processing module, apositioning device module, a communication module, a route design determination algorithm module, a real-time navigation information determination module and an information transmission broadcasting module. The method and the system disclosed by the invention have the advantages of stability and reliability, high anti-jamming performance, wide application range, capability of conveniently and timely guiding blind people to travel in complex environments, high system intelligence degree, advanced and scientific method, safe and accurate route and the like; the movement freedom of the blind people is greatly improved. The method and the system have practicality and feasibility, higher practical value and broad application prospect.

The invention discloses a real-time monitoring method of a track error of a five-axis linkage processing machine tool. The method is characterized by comprising the following steps: firstly, reading NC codes before processing, and extracting track information corresponding to program segments; in a machining process, performing position loop signal acquisition and analysis, error compensation andhomogeneous kinematics transformation of a servo system of the machine tool to obtain actual cutter location point coordinates under a workpiece coordinate system; determining a program segment corresponding to the current actual cutter location point, and calculating a track error vector by combining theoretical track information corresponding to the program segment; and after the current state track error calculation is completed, continuing the next acquisition-calculation cycle. The method disclosed by the invention can realize real-time monitoring of the track error of the five-axis linkage processing machine tool and can be used for monitoring and evaluating the dynamic machining precision of the machine tool.

The invention discloses a full-automatic purification device for laboratory acid mist exhaust gas and relates to the technical field of exhaust gas treatment. The full-automatic purification device comprises an exhaust gas collection main pipeline and a plurality of exhaust gas collection branch pipelines, wherein two draught cupboards are respectively arranged at the input end of each exhaust gas collection branch pipeline, and the output end of the exhaust gas collection main pipeline is connected with an air inlet in the lower portion of a purification tower; the purification tower comprises a shell, an upper spray pipe, a lower spray pipe, a first Pall ring filler layer and a second Pall ring filler layer, an exhaust gas outlet is formed in the upper end of the shell and provided with a demister, the demister is connected with a discharging pipe through a variable-frequency fan, the upper spray pipe and the lower spray pipe are connected with the output end of a circulating water pump respectively through circulating fluid inlet pipes, the input end of the circulating water pump is connected with a circulating water tank, the input end of the circulating water tank is connected with the lower portion of the purification tower, the circulating water tank is connected with the output end of a chemical adding pump through a chemical adding pipe, and the input end of the chemical adding pump is connected with a sodium hydroxide absorption liquid storage tank. The full-automatic purification device is low in energy consumption, high in purification efficiency and wide in applicable range.

The present invention discloses an intelligent construction processing method and system for live conference, which comprises the steps of: Collecting information of authorized users, generating a secret key, building a database, determining reservation request of meeting room, directly sending meeting information, turning on conference equipment, serving of check on work attendance and end process of the conference. The system comprises an authorized users data collection module, a secret key generation module, an employee data collection module, a conference room information collection module, a storage module, a reservation request of meeting room determining module, a conference determination information generation transmission module, a conference room internal control module, a conference room entrance guard identity module, an check on work attendance service module and a communication module. The intelligent construction processing method and system for live conference can schedule meeting matters accurately and efficiently, maximize the use of conference rooms, reduce labor intensity of manual table registration, conveniently and rapidly processed reservation and progressof various conferences, achieves automation, intelligence and realize objective of unmanned management of the conference room, has high practical value.

The invention provides a malicious URL detecting method based on big data. The method comprises the steps of extracting a profile feature, a semantic feature, a user behavior feature and a network feature of a URL; generating a classification model and an abnormity detecting model according to the profile feature, the semantic feature and partial user behavior feature of the URL; extracting the profile feature, the semantic feature and the partial user behavior feature of the URL from an Internet access log, performing detection on the features for generating a suspicious URL; extracting partial user behavior feature and the URL network feature, performing detection on the partial user behavior feature and the URL network feature, and generating the suspicious URL; performing combination,threshold determining and duplicate removing on the suspicious URLs generated in the two steps, and finally obtaining a final malicious URL. The method according to the invention has higher reliability than a single algorithm. A two-stage model system is combined with a classifying algorithm model and an abnormity detecting algorithm model so that higher accuracy of a malicious URL detecting result is realized. High openness is realized. Furthermore the algorithm can be flexibly added according to the trend change and technical development condition of the malicious URL.