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81 results about "PC/104" patented technology

PC/104 (or PC104) is a family of embedded computer standards which define both form factors and computer buses. PC/104 is intended for specialized environments where a small, rugged computer system is required. The standard is modular, and allows consumers to stack together boards from a variety of COTS manufacturers to produce a customized embedded system.

Built-in type 4 axis sport controller

The invention discloses an embedded four-axis motion controller which comprises a main controller and a motion control module. An output of the main controller is connected with the motion control module through an output interface, and the motion control module is respectively connected with an X-axis motion component, a Y-axis motion component, a Z-axis motion component, and a U-axis motion component. The controller of the invention adopts an S3C44BOX chip based on an ARM7TDMI core which is promoted by the Samsung company as the main controller, adopts a motion control chip MCX314As which is specially used by the NOVA company in Japan as an interpolate controller, adopts a PC104 bus interface with strong insertion ability, combines the embedded CPU with a special DSP motion control chip, embeds the motion control function in the framework of the ARM main control plate with a PC 104 function module method, cuts off the equipment that is not in need, has a plurality of functions and saves the cost. The invention is an independent motion controller which can be separated from a host computer and is characterized by strong computing ability and low cost, thereby extremely reducing the size of the system, lowering the power consumption, and improving the reliability and the openness of the system.
Owner:GUANGDONG UNIV OF TECH

Underwater robot object detection device and detection method

The invention provides an underwater robot object detection device and a detection method. The device comprises a PC / 104 computer, a single-beam forward looking sonar equipment sensor, a Doppler log, a depth gauge, an altimeter and a relay element. When in an underwater state, after the computer is electrified, an equipment control program is started automatically, controls a relay to open the sensor through a DI / O digital board, collects the environment information in the advancing direction with a single-beam forward looking sonar, calibrates the data with the information of the Doppler log, classifies the data through the depth information, obtains underwater object point plane information through processing algorithm, and estimates the object underwater depth information based on the information of the depth gauge, so as to detect an underwater object. The invention prevents the space occupation problem of the multi-beam forward looking sonar and the three-dimensional sonar, effectively solves the problem that the single-beam forward looking sonar can only obtain the underwater object two-dimensional detection information, and is more applicable to the underwater object detection application of an underwater unmanned submarine.
Owner:杭州爱易特智能技术有限公司

City vehicle navigation system based on vehicle-road synergy

The invention discloses a city vehicle navigation system based on vehicle-road synergy and solves the problem that the traveling dynamic states of other vehicles on a road section are not considered when navigation is provided for a vehicle. The city vehicle navigation system comprises a roadside system, a vehicular system, an intelligent mobile terminal and a server, wherein the intelligent mobile terminal is connected with a vehicular display device through a USB data line or Bluetooth; the roadside system comprises a roadside bearing device, a roadside wireless unit and a roadside information processing device; the roadside wireless unit comprises a wireless hot spot; the roadside information processing device is a PC104 embedded computer; the PC 104 embedded computer is connected with the wireless hot spot through a USB interface 2 and a data line, and the roadside system is wirelessly connected with the wireless unit of the vehicle system through the wireless hot spot; the roadside system is wirelessly connected with the data transceiving unit of the server through the remote communication module of the roadside wireless unit, and the wireless data transmission equipment of the data transceiving unit of the server is connected with the intelligent mobile terminal through a wireless network.
Owner:JILIN UNIV

Embedded digital-control platform integrating control strategy of working state and its control method

This invention unfurls a kind of embedded model numerical control flat roof of processing state controlling politic integration and its control method. The hardware system of the numerical control flat roof includes the motion control module with PC / 104 - Plus interface, the CPU module based on PC / 104 - Plus, the multifunction data collecting module based on PC / 104 - Plus, the CAN communication module based on the PC / 104 - Plus, and the Profibus communication module. The controlling method is: the main system translates the operation instructions into motion control messages after receiving them, and sends the progressing messages to the motion control module, finally sends them to the processing servo axis electrical engine drive, the chief axis electrical engine drive and the handwheel; send the motion control messages to CAN communication module and the Profibus communication module, and send outside to the motion servo axis electrical drive. This invention can realize that the processing state is controllable and the progressing course is intelligent.
Owner:SOUTH CHINA UNIV OF TECH

Underwater robot for ship hull detection

The present invention provides a hull detection underwater robot that comprises an underwater robot body which is equipped with an environment sensing device, a movement sensing device and a movement executing device. The environment sensing device comprises an ultrasonic thickness gauge, image sonar and an underwater low light level camera. The movement sensing device comprises an optical fiber compass and a depth gauge. The movement executing device comprises a conduit propeller and a three degree of freedom tripod head. All devices are connected with a PC / 104 computer in a hyperbaric chamber of the underwater robot body. A control program is embedded in the PC / 104 computer. The PC / 104 computer collects the information of the environment sending device and the movement sensing device, then communicated with a water surface main control computer for the large data volume network communication of mixed data and outputs a control instruction of the water surface main control computer to the propeller.
Owner:HARBIN ENG UNIV

UWB radar signal simulator based on FPGA and UWB radar signal generation method

The invention relates to a UWB radar signal simulator based on FPGA, comprising a PC104 interface module, an RAM module, an FPGA module and a high-speed DAC module; the PC104 interface module completes data transmission with a host with PC104 mode by a PCI protocol; the RAM module adopts six ZBT-SRAMs with the bit width of 32 as data cache; the FPGA module adopts Virtex-4 series of product XC4VLX40 offered by Xilinx company and comprises a PCI interface control module, a RAM control module, a high-speed DAC control module and a radar waveform control module; the high-speed DAC control module selects AD9736 of ADI company; the interconnection of all the modules is realized by control modules in the FPGA module, the PC104 interface control module completes butting joint of the FPGA module and the PC104 interface module; data generated by controlling a host computer is transmitted to the inner part of the FPGA module from the PC 104 interface module; the RAM control module completes butting joint of the FPGA module and the RAM module so as to realize the transmission of data between the FPGA and the ZBT-SRAM; and the high-speed DAC control module completes butting joint of the FPGA module and the high-speed DAC module and controls the high-speed DAC module to generate various radar waveforms.
Owner:BEIHANG UNIV

Digital out-of-pile nuclear measurement system based on PC/104 bus

The invention discloses a digital out-of-pile nuclear measurement system based on a PC / 104 bus. The digital out-of-pile nuclear measurement system comprises a neutron detector, a front-end signal conditioning and amplifying unit and a signal digital processing unit, wherein the signal digital processing unit comprises a host processing unit, a data acquisition unit and a data output unit which are connected through the PC / 104 bus. Compared with the prior art, the digital out-of-pile nuclear measurement system based on the PC / 104 bus utilizes the PC / 104 bus as a safety software platform, facilitates adjusting of the control scheme and realization of various novel control strategies, reduces the number of components, and simplifies the hardware structure, thereby improving the reliability and meeting the requirement for nuclear safety digitization of ex-core nuclear instrumentation systems in large-scale nuclear power stations.
Owner:CHINA NUCLEAR POWER TECH RES INST CO LTD +1

Active vibration isolation control platform

The invention discloses an active vibration isolation control platform. The active vibration isolation control platform comprises an active vibration isolation device and an active vibration isolation controller; the active vibration isolation device comprises a lower platform, a midbody and an upper platform; a voice coil motor actuator is arranged between the midbody and the lower platform; a linear variable differential transformer type displacement sensor is arranged between the upper platform and the midbody; and two three-freedom-degree acceleration sensors are arranged on the upper platform and the lower platform respectively. The vibration isolation controller is designed according to a master-slave open type control structure and consists of an upper control computer and a lower execution controller, wherein the upper control computer is a mainframe of an embedded type industrial control computer PC / 104; and the lower execution controller is an open-type controller. The active vibration isolation control platform is quite effective on low-frequency vibration isolation and is applicable to precise manufacture, precise measurement, aerospace application and other vibration isolation fields with special requirement on vibration environment.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Rack pipe detection robot based on ultrasonic guided wave technology

The invention relates to a rack pipe detection robot based on the ultrasonic guided wave technology. The robot is mainly characterized in that five rotary modules and two clamps are connected in a series manner on the basis of modular structure; the two clamps can be changed according to different pipe diameters, and a claw of each clamp is provided with a guided-wave probe clamping component on which guided-wave probes different in structure and quantity can be mounted; the rotary modules expand and retract to adjust the pose of terminal clamps, the two claws hold alternately to coordinate with the rotary modules to allow for various climbs. A control system based on PC / 104 bus technology is used and comprises a servo motor, an embedded computer main board, a sensor and a remote control system. The robot has the advantages of small size, light weight, simple structure and high flexibility, can detect in such manners of creeping on straight pipes and bent pipes and creeping among the pipes, and allows for rack pipe nondestructive detection on the basis of the ultrasonic guided wave technology by integrating the guided wave detection technology and the robot technology.
Owner:WUHAN UNIV

Console device detector and console device detection method

The invention provides a console device detector and a console device detection method which are specifically developed and designed for a certain type of console device and can realize direct comprehensive system detection on a console device by combining an embedded computer PC104 and single-chip microprocessor technology, an I / O port expansion technology, a relay array technology, an automatic fault tolerance identification technology of equipment to be detected and other technologies. A portable detection host computer of the console device detector adopts a PC-104 embedded computer system and the host computer is connected with a detection combination circuit though a multifunctional board and then directly connected with a part to be detected via a special detection cable by the detection combination circuit. The console device detector has standardized design and modular design, is self-powered and served as a separate system and can directly perform qualitative test and quantitative detection on performances of the part to be detected as well as lab detection and on-line field detection. The invention has the advantages of high degree of automation, simple and convenient operation, high efficiency, high reliability and high comprehensive degree, and is portable and economical.
Owner:XIAN UNIV OF TECH

Machine shaking laser gyroscope shaking demodulating device and demodulating method based on FPGA

The invention provides a trembling laser spinning trembling demodulating device based on the FPGA. The device is composed of FPGA and the Schmitt trigger respectively connected to the FPGA and the PC / 104 and the collocation of the FPGA; in the reverse counting and the digital filter compose the data collecting circuit; the laser spinning outputs two beams of the signals of SIN, COS inputs the reverse counting unit for the reverse counting and then delivering to the register; sampling by the 1kHz, delivering the FIR low pass filter; after the filtering, delivering the anti-overlapping filter to process the descending sampling. The invention processes the trembling laser spinning trembling demodulation via the digital filtering method which can makeup the defect of the periodical sampling; delivering the anti-overlapping filter to process the descending sampling; the invention can effectively eliminate the noise caused by the other factors and the random trebling signal of the bias frequency laser spin and saves the precious design time.
Owner:HARBIN ENG UNIV

Manipulator-boat coordination control method of underwater unmanned vehicle and manipulator system

The invention provides a manipulator-boat coordination control method of an underwater unmanned vehicle and manipulator system. An underwater unmanned vehicle control system is built through such equipment as a PC 104, a data acquiring plate, a manipulator motor, a propeller impeller, a magnetic compass and a Doppler speed measurer; the gesture information of each degree of freedom of the system is obtained; meanwhile, the hardware control is performed; an internal disturbance force observer is built according to position postures of a vehicle and a manipulator; a tilting moment and a coupling moment generated by the system posture change at each time are observed according to a Newton-Euler method; a coordination motion controller of the vehicle and the manipulator is built; and the manipulator disturbance force suffered by the vehicle in the operation process is compensated during controlling to realize stable and precise control of the vehicle in the operation process. The method can be actually applied to the UVMS control system design, achieves important significance on the aspects of autonomous operation and remote control operation of an underwater robot, and is used for realizing stable high-precision operation of the underwater unmanned vehicle.
Owner:HARBIN ENG UNIV

Portable data acquisition system

According to typical inventive embodiments, a compact data acquisition unit is modularly assembled of COT components, based on a PC-104 or other form factor of relatively small size. Inside a durable casing, a dc-dc converter increases battery-generated dc voltage for a computer processor that communicates with storage / memory and collects sensory information via an a-to-d converter. The inventive data acquisition unit can be implemented in either handheld (e.g., so as to include touchscreen interactivity) or situate (e.g., so as to be combined with sensory instrumentation) fashion. Especially propitious inventive practice involves wireless communication with an inventive “podded” device, remotely placed, that includes an inventive data acquisition unit, one or more sensors, and a pod containing the unit and the sensor(s). For underwater applications, a preferred embodiment of an inventive podded device is planoconvex, having a flat side for mounting on vehicular structure and an outwardly curved / rounded side for mitigating hydrodynamic penalties.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY +1

Vibration data collection and fault analysis system of networking portable type steam turbine set

The invention discloses a vibration data collection and fault analysis system of a networking portable type steam turbine set, comprising an ARM (Advanced RISC Machine) main control module, a power supply module, a fault diagnosis module and a signal conditioning module, wherein the signal conditioning module is used for preprocessing shazam signals and key-phase signals transmitted by a sensor; the output end of the signal conditioning module is connected with a synchronous shazam-signal collection module which can be used for collecting key phases of the multipath synchronous shazam signals; the output end of the synchronous shazam-signal collection module is connected with the ARM main control module in a communication mode by a bus; the fault diagnosis module is used for receiving anddiagnosing data transmitted by the ARM main control module by the bus; a diagnosis result is fed back to the ARM main control module by the bus; the power supply module is used for supplying power tothe signal conditioning module, the synchronous shazam-signal collection module and the ARM main control module by the bus; and the bus is a PC / 104 parallel bus. The invention has the advantages of compact and small structure, high processing efficiency and good use flexibility, is convenient to carry and can be networked with other systems to dynamically distribute tasks.
Owner:ZHEJIANG UNIV

Keyless safe box system based on human face recognition

The invention relates to a keyless safe box system based on human face recognition. A conventional classification process and an artificial neural network process are combined to form a combined classifier. The keyless safe box system comprises an image acquisition unit, a human face recognition system and a safe box control circuit, wherein the image acquisition unit is used for taking picture of the front human face by a CCD (charge coupled device) camera which is connected to an industrial personal computer PC / 104 image card; the human face recognition system mainly comprises a human face image preprocessing module, a human face image feature extraction module and a human face recognition module; the safe box control circuit controls an electronic lock through a monostable trigger consisting of a 555 time-base circuit and a capacitor-capacitor unit.
Owner:TAICANG BOTIAN NETWORK TECH

Manless machine carried light small multiple spectrum imaging instrument for monitoring

A multispectrum imager for monitoring carried by unmanned machine with small carrying capacity, can synchronously obtain remote sensing image combined by multi-wave-range images, especially suitable for carrying out ocean monitoring task. Its main control computer uses PC / 104 + computer in stead of traditional desktop computer, making its mass and volume reduced a lot, satisfying requirement of small room and load of unmanned machine; outer shell uses levitation type spring structure to strengthen its ability of resistance to impact and vibration; supporting automatic monitoring software is installed to realize automatically control and time interval time and exposure time of synchronous shot, receive and carry out long-distance command.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI

Intelligent initiating explosive device equivalent device and pulse timing sequence signal measurement method

InactiveCN102545847AAvoid Conducted InterferenceEnsure safetyPulse train pattern monitoringSequence signalLow voltage
An intelligent initiating explosive device equivalent device and a pulse timing sequence signal measurement method belong to the field of power supply path detection, relate to the technology of timing sequence signal processing, field programmable gate arrays (FPGA) and virtual instruments, and aim at solving problems that in initiating explosive devices, timing sequence instructions cannot be measured, missile-borne instruments are unsafe and signal collection is not timely. The intelligent initiating explosive device equivalent device comprises high voltage timing sequence input terminals, low voltage timing sequence input terminals, an equivalent device high voltage input level circuit, an equivalent device low voltage input level circuit, a high voltage and low voltage switching circuit, a state indication lamp, an input / output (I / O) control circuit, a 5V power supply, a 24V power supply, a high and low pulse width timing sequence measurement circuit, an optoelectronic isolation digital input and output module, a 104 bus, a personal computer (PC) main machine and a PC 104 main machine power supply. The pulse timing sequence signal measurement method includes initializing; clamp board self-detection: executing the next step if self-detection is finished, otherwise repeating execution of self-detection; high and low voltage self-detection: returning to clamp board self-detection if high and low voltage self-detection is not finished, otherwise conducting high and low voltage detection; and displaying and storing data after high and low voltage detection. The intelligent initiating explosive device equivalent device and the pulse timing sequence signal measurement method are used in intelligent initiating explosive device equivalent device manufacturing.
Owner:HARBIN INST OF TECH +1

Self-adaptation spraying air capacity adjusting device based on plant characteristics and method

The invention discloses a self-adaptation spraying air capacity adjusting device based on plant characteristics and method. The device comprises five-finger sprayers, a draught fan, a hose, electromagnetic valves, flow guide pipes, a hose, an air nozzle, a laser sensor, a touch screen, a radar speed sensor, an ARM Cortex controller and an embedded PC / 104 computer, wherein the draught fan is driven by PTO; the hose enables the five-finger sprayers and an air outlet of the draught fan to be connected; the electromagnetic valves are arranged on the flow guide pipes and are used for controlling air capacity of the five-finger sprayers; the flow guide pipes are connected with the electromagnetic valves to output air; the hose are connected with all the flow guide pipes; the air nozzle enables a converge hose on the left and a converge hose on the right to be connected; the laser sensor is installed at the front end of a spraying machine; the touch screen is installed in a cab; the radar speed sensor is installed at the bottom of the spraying machine; the ARM Cortex controller is used for controlling the air capacity and variations; the embedded PC / 104 computer is connected with the touch screen, the laser sensor, the speed sensor and the ARM Cortex controller. According to the device, all the five-finger sprayers can perform self-adaptation air capacity adjustment according to plant characteristics in corresponding areas, reduce fog drop drifting for areas with sparse plants, increase the penetrability of fog drops on areas with dense plants and branches and leaves and increase the attachment rate of fog drops inside the plants.
Owner:JIANGSU UNIV

Robot vision system

The invention belongs to the technical field of robot vision systems, in particular to a robot vision system. The robot vision system comprises a camera, a robot control cabinet, a robot RC control, a vision processor and an interchanger, wherein the robot RC control, the vision processor and the interchanger are all arranged in the robot control cabinet; and the camera and the robot RC control are both connected with the network of the vision processor through the interchanger. According to the robot vision system, the vision processor is integrated in the robot control cabinet, so that the size and weight of the camera are structurally reduced; the application is convenient; the cost of the camera is favorably lowered; a PC 104 board card based on an X86 structure is adopted as a processor by the vision processor, so that the calculation capacity of the processor is higher than that of a processor in a current intelligent camera; furthermore, sufficient space is provided for heat dissipation; and the reliability of the system is more higher.
Owner:SHENYANG SIASUN ROBOT & AUTOMATION

Intelligent control device for greenhouse environment

The invention, which relates to the intelligent control field of the greenhouse environment utilized by agriculture, provides an intelligent control device for a greenhouse environment. The device comprises a cell controller and a centralized monitoring system. The cell controller and the centralized monitoring system are connected together through a wireless sensor network. The cell controller is composed of a power supply module, a microcontroller, a caution module and an environment sensor, wherein the power supply module is used for power supply; and the environment sensor is connected with the microcontroller and the microcontroller is connected with the caution module. The centralized monitoring system comprises a computer, a temperature-humidity execution module, and a PC 104 module, wherein the computer is provided with controllable software; and the temperature-humidity execution module is connected with the PC 104 module and the PC 104 module is connected with the computer. According to the invention, the device has low costs and low power consumption; and the device is free of wiring and has a plug-and-play performance; meanwhile, monitoring data are timely and accurate and an intelligent degree is high; moreover, defects of large installation construction volume, long construction period and high cost and the like can be effectively overcome, wherein the defects are caused by utilization of a traditional communication mode in a traditional greenhouse monitoring system.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Vehicular equipment information monitoring system

InactiveCN1932887AWith wireless network transmissionWith automatic navigationRegistering/indicating working of vehiclesProgramme total factory controlState parameterControl signal
The equipment information inspecting system of automobile style relates to one PC / 104 bus type data gathering equipment, one harsh electrical conditioning card, one domination / alarm and one location communication module. The data gathering equipment relates to stack type PC and the data gathering module, storage module, CAN bus module, display equipment, input equipment and electrical source connecting with the stack type PC. The stack type PC owns inspecting software and software of secondary planet location communication system to gather, dispose and inspect signal of the up-installing equipment on the modification vehicle and all kinds of state parameters of it. Manages the vehicle location communication, maintaining and using management, wireless network transmission, audio and video frequency display. The harsh electrical conditioning card, is used to adjust signal in many forms sent by the up-installing equipment on the modification vehicle to figure signal and input the figure signal to the data gathering module. The domination / alarm connects with data gathering module to output the controlling signal and alarm signal. The location communication module connects with the stack type PC to inspect the real location information about the vehicle by secondary planet.
Owner:THE QUARTERMASTER EQUIPMENT RESEARCH INSTITUTE OF THE GENERAL LOGISITIC DEPARTME

Portable hand-operated box of ship dynamic positioning system

The invention discloses a portable hand-operated box structure of a ship dynamic positioning system and an information acquisition and processing method. A hand-operated box is connected with a control console computer through an aviation plug, and a working power supply is acquired. Voltage conversion of the power supply is finished on an information acquisition plate, and power is supplied to an indication lamp on a hand-operated box panel, a PC 104 embedded industrial main board and the information acquisition plate. A single-chip microcomputer is used as a master control chip for acquiring simulation signals of a key and a hand-operated lever and controlling the indication lamp. Most elements are SMD elements, so that the size of a PCB is effectively reduced. A liquid crystal display on the hand-operated box dynamically displays information of ship motion states so that the running state can be conveniently monitored in real time, and control signals can be sent out at the corresponding moment. Input of transverse, longitudinal and yawing control instructions is achieved through the three-freedom-degree hand-operated lever. Due to the fact that the embedded structure is adopted in the portable hand-operated box and the signal acquisition plate and the PC 104 main board are fixed to the bottom of the hand-operated box, heat can be dissipated in time, and safe and reliable running of the system is guaranteed. The hand-operated box is simpler in structure, easier to operate and more convenient to install.
Owner:HARBIN ENG UNIV

PC/104-Plus multifunctional data acquisition card

The invention relates to a PC / 104-Plus multifunctional data acquisition card belonging to the fields of data acquisition, vehicular communication and positioning technologies. The high-integrity card in the PC / 104 structure comprises a smart CAN (Controller Area Network) and RS232 (Recommended Standard232) conversion card, a GPS (Global Positioning System), a GPRS (General Packet Radio Service) radio network and an IPC (Industrial Personal Computer) capable of automatically starting and shutting down and ensures the normal operation of the system. On a basis of the smart CAN and RS232 conversion card, the / 104-Plus multifunctional data acquisition card is integrated with the GPS and the GPRS radio network module, realizes the positioning function of the GPS and the data acquisition function and the CAN and can transmit data to a control chamber through the GPRS radio network so that managers are convenient to know various kinds of data information in time. The card adopts the PC / 104 structure, and has the advantages of ultrahigh electric and mechanical characteristic reliability, low power consumption, little heat generation and ultrahigh flexibility, and the cards can be reliably connected through self stacks so as to have strong antiknock capacity.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

PC104 embedded type computer based on ARM

The present invention relates to a PC 104 embedded computer based on ARM. It has low power consumption ARM processor and PC 104 sequential controller, in which ARM processor is connected with power supply manager, clock manager and reset logic, SDRAM and FLASH memory, LCD and CRT display controller, standard serial interface, Ethernet interface, infrared interface, USB interface and CAN interface; and PC 104 sequential controller is connected with parallel interface extension, PS2 keyboard mouse and PC 104 extension bus. Said computer does not use radiator and fan, and adds ARM processor PC 104 bus extension, and raises the flexibility and compatibility of application system design, and has the programmable characteristics, so that it can meet requirements for various changes in application.
Owner:长沙科瑞捷机电技术有限公司

Device for collecting information of road section

An information collecting device of road section is prepared as connecting the first communication card (FCC) to vehicle industrial control computer by ISA bus; connecting the second communication card, AD collection card and counting card separately to embedded industrial control computer by PC-104 bus; connecting photoelectric coder to counting card by shielded twisted-pair wire; connecting ultrasonic transducer, laser transducer and acceleration transducer to AD collection card by shielded twisted-pair wire; connecting low-level computer subsystem to FCC of up-level computer subsystem by CAN bus through the second communication card.
Owner:WUHAN UNIV OF TECH

Data acquisition processing system applies to atomic force microscope

The invention discloses a data acquisition and processing system applied to an atomic force microscope, which comprises a PC-104 bus, an FPGA processor, a data acquisition unit, an analog output unit and a sine wave generating unit. The system utilizes the FPGA to control the acquisition and adopts the digital filtering technique and the desampling technique to make the single channel acquisition rate reach 3,000,000 times per second and the multi-channel acquisition rate exceed 1,000,000 times per second, so as to meet the requirements of high speed scanning; the FPGA is utilized to control the analog output and realize the four-channel independent analog output, and the speed of analog output exceeds 1,000,000 times per second; and the phase difference in a vibration period of a probe can be detected by utilizing the FPGA to control the phase detection and adopting the digital phase demodulation technique, each phase testing time is shorter than 5-microsecond, the phase detection precision exceeds 0.5 degree, and the linearity range can reach 0 to 360 degrees.
Owner:BEIHANG UNIV

Microminiature inertial-combined navigation parameter measuring unit and measuring method thereof

The invention provides a microminiature inertial-combined navigation parameter measuring unit and the measuring method thereof. The measuring unit comprises a cubic housing; nine accelerometers are arranged at the four peaks of the three intersectant sides of the cubic housing, and three accelerometers are respectively arranged on each one of the three intersectant sides; the side that is not provided with accelerometers serves as a power module backboard; and a PC 104 motherboard, an AD converter board, a digital compass and a GPS dash receiver are superposed on the power module backboard. The analog information output from each accelerometer is converted into digital signals through the converter board; the digital signals are input into the PC 104 for preprocessing the sampled data; the resolving method of angular motion and linear motion parameters is used for resolving the angular velocity, angular acceleration and linear acceleration; the GPS receives the navigation positioning parameters output from modules and navigation attitude parameters output from the digital compass, and then inputs the parameters into the PC 104; and auxiliary accelerometers measure the information and reckons the ship location. The measuring unit is used for measuring the angular velocity, linear acceleration, location, velocity, heading and horizontal inclination angle of moving carriers.
Owner:HARBIN ENG UNIV

Black box and application of same in all-vanadium redox flow battery

The invention relates to a black box and an application of the same in an all-vanadium redox flow battery. The black box comprises an acquisition board, a main controller, an electronic hard disk, and the like, wherein the output of the acquisition board is connected with the main controller through a standard PC / 104 bus interface, and the main controller is connected with the electronic hard disk through an IDE interface. The invention provides the black box with small volume, large storage capacity, vibration resistance, spreading resources, strong expansibility and safe and reliable operation for a long time, and effectively solves the problems of data storage of an all-vanadium redox flow battery system and unclear analysis of post-failure and meets the requirements of research and development as well as application of the all-vanadium redox flow battery.
Owner:DALIAN RONGKE POWER

Personal computer (PC) 104 and K virtual machine (KVM) based portable high-integration test equipment and test method

The invention relates to a carrier rocket ground testing and launching control system, and discloses personal computer (PC) / 104 and K virtual machine (KVM) based portable high-integration test equipment. The equipment comprises a KVM liquid crystal control platform, a PC / 140 single-board computer, a computer hard disk, a signal monitoring function board card, a power supply, a connector on the equipment and the like; and by applying a PC / 104 bus technology and a KVM display / control integration technology, all parts (such as a signal transfer part, a signal conditioning part, a computer host, an acquisition control function board card, a keyboard, a mouse, a human-computer interface, a displayer and the like) which are originally independent and scattered of the test equipment are highly integrated into one single equipment;. The PC 104 and KVM based portable high-integration test equipment has carrying capability, hardware and software are simple and convenient to operate, the volume and the complexity of the test equipment are greatly reduced, and the PC 104 and KVM based portable high-integration test equipment has the advantages that the equipment is convenient to move, expand, use and fold and the like.
Owner:SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
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