Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

364results about How to "Rich interface" patented technology

ARM (advanced RISC (reduced instruction set computer) machines) and FPGA (field-programmable gate array) based navigation and flight control system for unmanned helicopter

The invention discloses an ARM (advanced RISC (reduced instruction set computer) machines) and FPGA (field-programmable gate array) based navigation and autonomous flight control system for an unmanned helicopter. The system comprises a PC (personal computer), an integrated navigation subsystem, a power supply module and controllers, wherein the integrated navigation subsystem comprises a sensor group; the sensor group comprises a GPS (global positioning system), a gyroscope, an accelerometer, a magnetoresistive sensor, a barometric altimeter and a sonar altimeter; the controllers include a main controller and a steering engine controller; the main controller adopts an ARM microprocessor to operate the integrated navigation algorithm and flight control PID (proportion integration differentiation) algorithm and simultaneously completes data acquisition of the GPS, the barometric altimeter and the sonar altimeter; and the steering engine controller adopts an FPGA to realize data acquisition of the gyroscope, the accelerometer and the magnetoresistive sensor and transfers the data to the main controller via a concurrent bus to carry out attitude calculation and control operation on the unmanned helicopter. With the unmanned helicopter as a carrier, the hardware environment of a whole set of flight control system integrating study of the aircraft navigation and control theory problem, data acquisition, information transfer and embedded control is set up.
Owner:TIANJIN UNIV

Low-cost combination type positioning and orienting device and combined positioning method

InactiveCN101319902AMeet the requirements of medium precision positioning and orientationReduce volumeNavigation by speed/acceleration measurementsGyroscopeAccelerometer
The invention provides a combined locating and orienting device with lower cost and a combined locating and orienting method thereof. The device mainly includes an MEMS INS consisting of an MEMS IMU and a navigation computer, a GPS receiver, a 3D digital electric compass, an altometer, an aerodromometer, a power module, a box body, a socket connector, etc; wherein, the MEMS INS includes 9 MEMS gyroscopes and 6 double-axis MEMS accelerometers which respectively measure the palstance and the acceleration of a moving carrier; then the palstance and the acceleration are inputted into a navigation calculating program to calculate the information like the pose, the position and the speed of an obtained carrier. Simultaneously, the navigation computer regularly collects the information of the navigation sub-units like the GPS receiver, the 3D digital electric compass, the aerodromometer and the altometer by a 232 series port and obtains the best navigation information like the position, the pose, the speed and the height of the carrier by information fusion processing; the precision of the invention is better than a single sub-system in the device. The combined locating and orienting device with lower cost has the advantages of small size, low power consumption, low cost, complete functions and abundant interfaces, thus being capable of completely meeting the locating and orienting requirements with middle precision for carrying the carrier on the ground or in the air.
Owner:HARBIN ENG UNIV

Single slice battery essential resistance and voltage on-line testing system for fuel cell pile

The invention relates to an online system for testing the essential resistance and the voltage of a single cell of a fuel cell stack, comprising a testing unit, a programmed AC driving source, a blocking condenser, an electric current detecting module, a keyboard, an LCD unit and a storage unit, which is characterized in that the programmed AC driving source is serially connected with the blocking condenser and then parallel connected with an output end of a fuel cell, and the testing unit is used for controlling the frequency and the amplitude value of the AC driving source periodically through a communication interface and collecting the voltage and the electric current signals of each single cell in order for computing essential resistance; the electric current detecting module, the keyboard, the LCD unit and the storage unit are respectively connected with the testing unit which communicates with a main controller of galvanic pile and other equipments through the communication interface. The invention has compact and legible circuit, high reliability, moderate cost, high measurement precision, quick measurement speed and ample and scalable interfaces, and the invention satisfies the requirements of the real-time and high-precision testing of the essential resistance and the voltage of the single cell of the fuel cell stack.
Owner:WUHAN UNIV OF TECH

Ultrasonic measurement analytical system for compact bone substance density

The invention discloses an ultrasound bone density measuring and analyzing system. The system comprises an ultrasound parameter measuring apparatus, a communication interface and a human machine interaction device, wherein the ultrasound parameter measuring apparatus comprises transmitting unit consisting of a pulse generator, a high-voltage pulse excitation module and a transmitting probe, an ultrasound receiving unit consisting of a receiving probe, a simulation pretreatment module, a gain adjustable amplifier, a phrase comparator, a high-speed ADC and an asynchronous FIFO, and a central processor, a power supply control module and a structural body. the human machine interaction device controls the ultrasound parameter measuring apparatus through the communication interface to measure the width of a calcaneus of a detected person, the transmission speed of an ultrasound wave in the calcaneus, broadband ultrasonic attenuation to calculate the bone intensity indexes and the bone density, so a medical report can be made according to diagnostic standards of osteoporosis and a special data base can be built for long term use. The system adopts wet or dry coupling and other technologies to improve the precision and accuracy of measure and has the advantages of easy carrying, low cost, no damage caused by radiation and can be use in long term monitoring of bone condition of the detected person.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Realization method based on CPCI bus technology of dual module hot spare system switching

The invention relates to a realization method based on the CPCI bus technology of the dual module hot spare system switching. The realization method is characterized by comprising the following steps: 1) the cabs at the head and tail of a train are separately provided with an ATP and two ATOs, the ATP adopts 2-out-of-3 architecture, the same ATOs (ATO1, ATO2) are hot spares to each other; 2) when the train runs normally, only the ATPs and ATO of the front head cab in the advancing direction work, the tail cab is powered off; when the train enters a turning section, a driver in the head cab of the original advancing direction presses an AR button on the driving platform to power on the ATPs and ATO of the tail cab; the ATPs and ATO of the head cab and the ATPs and ATO of the tail cab exchange information, the driving privilege is exchanged according to the driving direction so that the original tail cab is reversed to become the head cab, the ATPs and ATO of the original head cab are powered off; and 3) the redundancy automatic switching of one ATO adopts the dual module hot spare mode. The system of the invention has simple hardware configuration, lower system cost and abundant interfaces and is convenient to test and debug.
Owner:NANJING NRIET IND CORP

Fuel cell AC impedance on-line testing system and measuring and controlling method

The invention relates to a fuel cell AC impedance on-line testing system and a measuring and controlling method thereof. The system comprises a program-controlled alternating current (AC) source, a blocking capacitor, a main controller, a CAN bus and a plurality of AC impedance testing units. Each AC impedance testing unit is used for detecting n chips of fuel cell AC impedances connected in series. The measuring and controlling method of the system has two working modes, which are a dynamic measuring and controlling mode and a static measuring and controlling mode. Under a dynamic measuring and controlling mode, when a fuel cell stack generates power, the main controller controlls the AC source and the AC impedance testing units through the CAN bus, measurement is carried out, measurement data is collected, such that AC impedance spectrums of all the single-chip fuel cells are obtained. Under the static measuring and controlling mode, when the fuel cell stack does not generate, the testing upon AC impedance of fuel cells with any number at a certain fixed frequency point is set manually. The system and the method provided by the invention are advantaged in simple circuit, high measurement precision, and high reliability. With the system and the method, real-time and high-precision testing requirements of fuel cell AC impedance can be satisfied.
Owner:武汉海亿新能源科技有限公司

Industrial field oriented intelligent Internet-of-things gateway

ActiveCN108833269ARealize transparent management and controlHighly integratedNetwork connectionsUSBIntelligent equipment
The invention discloses an industrial field oriented intelligent Internet-of-things gateway which comprises an industrial PC. The industrial PC is provided with an Ethernet interface, a POWERLINK interface, a USB interface and a serial port. The industrial PC performs communication with external equipment through an OPC/OPC UA protocol. Along with economy development and manpower cost increase, amanufacturing enterprise tends to utilize automatic and intelligent equipment or system for replacing or reducing working of the man. But for truly realizing few man working and no-man working in a production process, cooperated control of producing steps of production field processing, conveying, ensuring, detecting and the like is required in a production process control system. Furthermore functions such as real-time monitoring of a field state and in-time response elimination of a field abnormity are required. The industrial field oriented intelligent Internet-of-things gateway can realizereal-time acquisition of field data, intelligent perception and real-time optimization control of the process. Furthermore the industrial field oriented intelligent Internet-of-things gateway can supply basic supporting for realizing a production process intelligent control function.
Owner:中国兵器装备集团自动化研究所有限公司

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

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

Autopilot flight control system

The invention relates to an autopilot flight control system. The autopilot flight control system comprises a flight control panel, a radio station, a servo mechanism, a receiver and a remote controller, wherein the radio station is communicated with the flight control panel in a two-way mode on remote control and telemetering, the servo mechanism receives servo control instructions of the flight control panel, the receiver transmits manual control instructions to the flight control panel, and the remote controller transmits remote manual control instructions to the receiver. The flight control panel further comprises a central processing module, a communication module which communicates with the central processing module in a two-way mode, a sensor module which communicates with the central processing module in the two-way mode, and a servo output module which receives instructions of the central processing module, wherein the communication module of the flight control panel receives instructions of the receiver and communicates with the radio station in the two-way mode. The radio station communicates in the two-way mode with a ground control system outside the autopilot flight control system. The servo output module transmits servo information to the servo mechanism. The autopilot flight control system is small in structure, simple and clear in system design, high in computation efficiency and reliability and very good in expansibility and portability.
Owner:天津全华时代航天科技发展有限公司

Intelligent household microgrid system based on technology of internet of things

The invention relates to an intelligent household microgrid system based on a technology of internet of things. The intelligent household microgrid system includes an energy system and a control platform thereof. The energy system includes a photovoltaic cell, a chopper module, an energy storage device, a rectifying module and a PCC (point of common connection) switch. The control platform includes a CPU, a storage module, a ZigBee wireless networking device (full-function ZigBee (FFD) main coordinator, a local ZigBee universal remote controller, and a reduced-function (RFD) ZigBee terminal node) and a peripheral interface. The control platform of the intelligent household microgrid system also includes a cloud computation background service system in the broad sense. The intelligent household microgrid combines intelligent grid, microgrid and internet of things technologies and one of great characteristics of the intelligent household microgrid is that a ZigBee wireless technology is introduced to the household microgrid so that the system is capable of networking flexibly. The intelligent household microgrid system is combined with a peak-valley electrovalency system to realize functions such as reliable power supplying through combination of self generation and grid power, intelligent scheduling of distributed photovoltaic power generation, intelligent charging and discharging of the storage device under different states, power bidirectional flowing between the system and the grid, real-time visualization of electricity quantity information and automatic switching of grid connection and grid isolation and the like.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Automatic testing system and method based on Linux

The invention discloses an automatic testing system and method based on Linux. The system comprises a CAN module, a serial port module, decoding control module and an input and output module, whereinthe decoding control module is connected with the input and output module; the CAN module is used for sending a CAN instruction to the to-be-tested product according to the CAN communication protocolcontent, and receiving a CAN data frame fedback by the to-be-tested product for analysis so as to detect the communication of the CAN bus of the to-be-tested product; the serial port module is used for detecting the serial port bus of the to-be-tested product; the decoding control module is used for decoding the address bus and the control signal, so that the output of the digital quantity is realized and the decoding control module can be used for detecting the input quantity; the input and output module is used for detecting the switching signals of the testing system, and controlling the power distribution of the to-be-tested product, monitoring and collecting a power supply voltage signal of the to-be-tested product, and giving a prompt alarm when the fault is detected. The method is based on the system, can be compatible with different test requirements of various products, and can realize visualization of product detection, conduct positioning on product fault points, and trace back the test data.
Owner:HUBEI SANJIANG AEROSPACE WANFENG TECH DEV

Can printing machine numerical-control system based on digital motion controller

The invention relates to a can printing machine numerical-control system based on a digital motion controller, and the can printing machine numerical-control system comprises a human-machine communication touch screen operation control module based on a windows platform, a digital motion controller, a motion actuation module and a reducer module, wherein the human-machine communication touch screen operation control module based on the windows platform is connected with the digital motion controller through an Ethernet network cable, and the digital motion controller and an input / output (I / O) sub-board of the digital motion controller are directly connected with an I / O signal connection terminal of the motion actuation module, i.e. an alternative-current servo motor; the digital motion controller is connected with the motion actuation module i.e. the alternative-current servo motor through an Ethernet bus; and the digital motion controller is connected with four alternative-current servo motors to form a double-closed-loop motion control system. The system is simple in structure, each constitutional part is relatively independent, partial hardware can be directly purchased in the market to be used as the constitutional part, not only can the performance be comparable and the cost be reduced, but also simplicity in assembling, application and upgrading can be realized, and the tank printing machine numerical-control system can be mass popularized to a pop can printing production line and similar iron production lines.
Owner:FOSHAN DING ZHONG MACHINERY

Power system communication server based on WEB mass communication modes and control method thereof

The invention relates to a power system communication server based on WEB mass communication modes and a control method thereof, comprising a CPU, a synchronous dynamic random access memory which is connected with the CPU and used for running programs and storing real time data, a memory which is connected with the CPU and used for storing data, an Ethernet module and an expanded Ethernet module which are connected with the CPU and used or network communication, a serial port module and an expanded serial port module which are connected with the CPU and used for serial communication, and a watchdog RTC Fram module which is connected with the CPU. The communication server uses WEB mode to set configuration and browse transmission data information, communicates with a master station in a serial way according to department issued CDT, national standard 101 and other power communication regulations, communicates with a dispatch master station in an Ethernet way according to department issued 104 power communication regulation, communicates with a relay protection device and various intelligent devices on a substation in an Ethernet way by RS485 and RS232, collects the data thereof and monitors the running thereof, and communicates with a substation local background in an Ethernet way according to 103 power communication regulation.
Owner:南京稳步自动化设备有限公司

Sea-gas coupled real-time observation buoy system based on Beidou satellite and Iridium satellite double-satellite communication

The invention discloses a sea-gas coupled real-time observation buoy system based on Beidou satellite and Iridium satellite double-satellite communication. The sea-gas coupled real-time observation buoy system comprises a sea-gas coupled observation sensor unit, a data collecting communication control unit, an anchoring unit, a buoy body platform, a power supplying unit and a data processing center. The buoy data collecting communication control unit adopts a Beidou satellite system to transmit conventional block method sea-gas flux, upper-layer sea current profile and buoy operation state parameters which have high requirements on data safety and low requirements on the communication quantity, and adopts an Iridium satellite system to transmit high frequency eddy related and high-resolution seawater skin surface temperature profile data which have high requirements on the communication quantity. A buoy can synchronously observe turbulence flux parameters of an eddy-related method of amovable platform, flux parameter of a block method, the seawater 0-1.0 m high-resolution skin surface temperature profile and the 0-70 m upper-layer sea current profile in real time in real time. Thesea-gas coupled real-time observation buoy system is suitable for being released in deep and open sea, and has the characteristics of diverse sea-gas interface observation parameter, safe data transmission and the like.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Embedded multifunctional statistical process control (SPC) device and method

The invention discloses an embedded multifunctional statistical process control (SPC) device and method, wherein the device comprises a processor, an industrial control main board, an operating system, a basic information module, a data entry module, a data processing center, an SPC pattern formation module and an alarm module, wherein the data processing center is internally provided with a control limit computer and a comparator; the basic information module at least comprises hierarchy information of data and information of SPC control basis, quality control points and parameters; the control limit computer adopts an SPC technology to detect the distribution characteristics of collected data with a certain amount and in a certain time slot, calculates and stores the control limit; and the comparator compares the data and the control limit according to the judged rules of the SPC control basis. According to the invention, an SPC system is embedded in an embedded industrial control device, the seamless integration of software and hardware is realized, the system can rapidly and accurately complete quality data analysis based on the statistical principle, and adapts to the specific requirement of different manufacturing systems, and the quality control of a product process is realized.
Owner:SHUNDE POLYTECHNIC

Large-amplitude regular movement background intelligent analysis and control system

The invention provides a large-amplitude regular movement background intelligent analysis and control system, which comprises a characteristic database, a video collection module, a quality enhancing module, a foreground extracting module, a characteristics analysis module, a characteristics recognition module, a control trigger rule judging module and a real-time control platform, wherein the characteristic database comprises a plurality of target and/or behavior model characteristics; the video collection module is used for processing the collected video signal and for obtaining the digital video sequence; the quality enhancing module is used for enhancing the quality of the video digital sequence; the foreground extracting module is used for eliminating the interference of the movement background and for extracting the foreground; the characteristics analysis module is used for the video digital sequence to perform the characteristic matching and classification; the characteristics recognition module is used for comparing the video object with a plurality of target and/or behavior model bank according to the parameters set by the user; the control trigger rule judging module is used for judging whether the rule is broken according to the rules and depth of field which are previously set by the user together with the video characteristics, and if the rule is broken, abnormal information is issued; and the real-time control platform is used for receiving the video analysis result and for issuing a control order according to the analysis result.
Owner:王巍

Vortex shedding flowmeter based on CPLD and correcting method thereof

The invention belongs to the technical field of flow measurement, and relates to a CPLD-based vortex shedding flowmeter. The vortex shedding flowmeter comprises a supply voltage conversion circuit, a piezoelectric sensor used for generated vortex shedding signals, a front end signal processing circuit, a standard pulse shaping circuit, the CPLD and a peripheral circuit thereof as well as a crystal oscillator circuit for providing a clock for the CPLD and a precision voltage flow conversion circuit, wherein, the piezoelectric sensor, the front end signal processing circuit and the standard pulse shaping circuit are sequentially connected, and PWM signals output from the standard pulse shaping circuit are sent to the CPLD; the CPLD stores a lookup table which reflects the corresponding relation between the vortex shedding frequencies before and after correction, and the CPLD counts the vortex shedding signals according to the input PWM signals, and corrects a count value by the lookup table to output a frequency signal reflecting the flow rate. The invention also provides a correction method of the flowmeter. The vortex shedding flowmeter and the correction method have the advantages of low power consumption, reliable performance and good real-time property.
Owner:TIANJIN UNIV

Highly-visualized data management system

The invention discloses a highly-visualized data management system, which comprises a database layer, a data access persistence layer, a business layer, a remote service layer and a display layer, wherein the business layer comprises a group of business logical modules and is used for extracting data execution business logic from a database and obtaining business execution result data by means of the data access persistence layer accessing the database; the remote service layer is used for realizing data communication between the business layer and the display layer; and the display layer is used for providing an interactive user interface for receiving user commands and transmitting the commands to the business layer through the remote service layer. After executing the business logic according to the commands, the business logical modules in the business layer transmit the business execution result data to the display layer through the remote service layer. The display layer comprises a group of data models, each data model corresponds to visualized display of one kind of business logic and acquires the business execution result data of the corresponding business logic, and the display layer is used for generating visualized display based on the business execution result data and displaying to the user by the aid of the interactive user interface.
Owner:SHANGHAI BAOSTEEL TRADING
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products