95 results about "ARM9" patented technology

A robot based on Wi-Fi includes a robot body which is a crawling car formed by a carriage (14) and a crawling running mechanism (13); wherein, a mechanical hand (6) is arranged on the carriage (14); the mechanical hand (6) is connected and fixed in the middle at the front part on the top surface of the carriage (14); the robot also includes a robot control system; the system takes an ARM9 series embedded microprocessor as a core and the periphery of the system is respectively provided with an electric compass, a GPS module, a CCD vidicon, a sensor group, a Wi-Fi module, a robot body controller and a mechanical hand controller. One surface of the Wi-Fi module receives external control command and the other surface encrypts the video image captured by the CCD vidicon in the sensor group and transmits to the outside; the microprocessor can automatically control a robot body controller and a mechanical hand controller to finish the tasks of patrolling, fault removing, rescuing and alarming; the microprocessor can also remotely control the robot body controller and the mechanical hand controller to finish the tasks of patrolling, fault removing, rescuing and alarming.

The invention relates to a combined type bionic quadruped robot controller, which is in a structure similar to a vertebrate nervous system, wherein the controller is divided into a decision layer, a planning layer and an execution layer which respectively correspond to a higher nervous center, a lower nervous center and a motor nerve of an animal. The decision layer for realizing that the robot senses the working environment and generates corresponding motion decision instructions consists of an ARM9 (advanced RISC (reduced instruction-set computer) machine 9) and an environmental information acquisition system, and a real-time operating system is embedded in the ARM9. The core of the planning layer is a walking pattern generator, and is used for planning and solving the motion parameters of each joint according to the decision instructions from the upper layer. The execution layer for controlling the current, the position and the speed of a driving motor in three closed loops consists of a motor controller using a digital signal processor as the core. Data can be effectively transmitted among the three layers in real time through a dual-port RAM (random-access memory) and a CAN (controller area network) bus network. The combined type bionic quadruped robot controller disclosed by the invention has the characteristics of high reliability, high flexibility, extension easiness and maintenance easiness, and has a broad application prospect in the technical field of bionic legged robots.

The invention discloses an on-line monitoring and state evaluation system for photovoltaic grid-connected power generation. The system comprises an electric quantity collection unit, an input unit, an output unit, an ARM9 data management unit, a CPLD / FPGA interface conversion unit, a temperature and illumination measuring unit and a power supply unit. According to the invention, a multi-CPU whole embedded system that is composed of an ARM 9, an ARM7, a DSP is employed, so that reliability of a measurement control unit is substantially improved and expandability is high; an FFT is used as a basic electrical energy quality measuring algorithm, high precision sampling and synchronous transmission are utilized and real-time measurement on an environmental parameter is combined; and moreover, an inter-harmonics measuring algorithm and a harmonics source positioning and responsibility distribution method are put forward; consequently, on-line and real-time monitor on an electrical energy quality and an operation state of a photovoltaic grid-connected power station comprehensively and various stable state and transient events are recorded. Therefore, it is convenient for operation staff to visually monitor the operation state of the photovoltaic grid-connected power station as well as reliable data and sufficient basis are provided for analyzing causes of a disturbance and a fault, wherein the disturbance and the fault occur in the operation; and thus the invention of on-line monitoring and state evaluation system is an important basis for realization of new energy access of a power grid.

The invention discloses a segmented interpolation method of a NURBS (Non-Uniform Rational B-Spline) curve based on an ARM9 (Advanced RISC Machines) embedded system and an FPGA (Field Programmable Gate Array). Rough interpolation is carried out on the NURBS curve by adopting the ARM9 embedded system, so that segmented pre-processing of the NURBS curve is completed; fine interpolation is carried out on the segmented curve by adopting the FPGA; and finally, component motion of each feed shaft is output to a signal control port of a motor in the form of a pulse signal by an external circuit, so that a servo control of the motor is realized. According to the segmented interpolation method disclosed by the invention, a direct processing technology for a complex-surface component which is described by the NURBS curve is realized, so that the processing efficiency is improved when the processing precision is ensured.

The invention relates to a method of implementing intelligent obstacle-surmounting. The method includes: 1, providing a service robot to implement intelligent obstacle-surmounting; 2, using the service robot comprising a telescopic mechanism, an infrared sensor, a camera, an image processor and an ARM9 master controller. The telescopic mechanism can telescope vertically. The infrared sensor is used for detecting an infrared forward distance from an obstacle ahead to the service robot. The camera arranged on the telescopic mechanism is used for shooting an image of the obstacle ahead. The image processor is used for processing the image of the obstacle. The master controller is connected with the telescopic mechanism, the infrared sensor, the camera and the image processor. A determination is made for whether or not to start the camera and the image processor on the basis of the infrared forward distance, and telescoping of the telescopic mechanism is controlled on the basis of image processing results.

The invention belongs to the supporting facility of the power equipment, specially relates to an online testing process of micro water and mixed gas content in the transformer oil based on the supersonic technology and its equipment. Based on the supersonic technology, unifies the CPLD technology and ARM9 embedding microprocessor development system, synthesis application modern advanced acoustics test method and the modern advanced electronic technology, through freezes the standard transformer oil and the measured transformer oil to below zero degree Celsius, or heats up to the highest permissible temperature when the transformer oil moves, using two pair of performance consistent supersonic receiving and dispatching transducer to gather the supersonic propagation time and phase of the standard and the measured transformer oil at the same time, the gathered signal enters the CPLD unit operation to obtain the gaseous mixture content; thus realized the intelligent on-line monitor and the exceed allowed figure alarm of the micro water and the mixed gas content in the electrical equipment which used the oil-filled electric transformer, realized the monitoring of the high pressure electrical equipment which used the oil-filled electric transformer.

The invention discloses a method for achieving automatic recording of an ARM9 embedded system based on an SD card. The method for achieving automatic recording of the ARM9 embedded system based on the SD card comprises the steps that the SD card is configured; the SD card is made to be electrically connected with an ARM9 chip to be recorded, and electrical connection between the ARM9 chip and a Nandflash memorizer configured on the ARM9 chip is cut off; the ARM9 chip is powered on to be started, and the ARM9 chip reads a boot.bin file in the SD card for starting and also reads a uboot.bin file to enter a uboot interface; a prompt signal is given out to remind operation staff to recover the electrical connection between the ARM9 chip and the Nandflash memorizer; the Nandflash memorizer is initialized, a recording configuration file on the SD card is read, and a corresponding firmware mirror image file is written into a corresponding offset address of the Nandflash memorizer according to a set filename and a set offset address in the configuration file. The method for achieving automatic recording of the ARM9 embedded system based on the SD card has the advantages that operation is easy, the automation degree is high, the workload of recording can be reduced remarkably, and recording reliability and recording efficiency are improved.

The present invention discloses a redundant intelligent network communication controller. The hardware adopts a high-function 32-bit CPU belonging to the ARM9 series, the software adopts LINUX embedded operation system. The present invention mainly realizes DCS or the computer main station implements high-speed network data exchange through the Ethernet and the intelligent measurement and control device of on-site bus interface. The control function is thoroughly diverted to the site, based on the control function of the on-site intelligent device, the high-speed network data exchange and control with a large data volume and high-reliability of the DCS main station which realizes the process automation control and the on-site intelligent device which is equipped with the on-site bus interface are realized.

The invention provides an operation-region automatic identification and area measurement system of cross-regional operation machinery and a method. The operation-region automatic identification and area measurement system comprises an ARM9 series embedded central processing unit, a cross-regional operation area measurement module, a power module, a GPRS network communication module, a storage module, a detection module and a remote monitoring display module. The cross-regional operation area measurement module comprises a GPS positioning module, an operation region and non-operation region automatic identification module and an area measuring module, and the GPS positioning module enables positioning information to be transmitted into an ARM9 embedded processor; the ARM9 embedded processor is used for processing the positioning information and calculating the corresponding operation area and cost; the GPRS network communication module is used for transmitting measurement data to the remote monitoring display module in real time. Area and cost calculation is completed rapidly. Measurement is conducted rapidly, the situation that a payment dispute occurs between a lease broker and a farmer due to the area of farmland can be avoided, the requirements for low prices, simple operation and use convenience are met, and accurate bases are provided for operation costs of cross-regional agricultural machinery.

The invention discloses an intelligent spot inspection periodical repair instrument which comprises a sensor signal processing circuit, a non-contact type infrared temperature measuring interface circuit, an information button, an electric tag interface circuit, an infrared laser bar code scanner, a GPRS (General Packet Radio Service) module, a TFT-LCD (Thin Film Transistor Liquid Crystal Display) screen, keys, a touch screen, a USB (universal Serial Bus) data interface and an ARM9 (Advanced Reduced Instruction-Set Computer Machines) processor, wherein the sensor signal processing circuit can be connected with various sensors, is processed by analogue filtering and enters an AD (Analogue / Digital) converter for converting to form digital signal data; and the digital signal data are read by the ARM9 processor, are processed by software filtering, integration, fft and other algorithms and then are analyzed. A non-contact type infrared temperature measuring module is used for detecting the surface temperature of mechanical equipment and accurately acquiring temperature distribution of measured equipment or a temperature value or a temperature rise value of relevant fault positions.

The invention discloses a home intelligent gateway system based on an advanced reduced instruction set computer (RISC) machines (ARM) 9 processor. The home intelligent gateway system comprises a remote communication interface which is used for realizing remote communication control, a home local area network interface which is used for realizing short-distance information transmission, and a core processing unit based on the ARM9 processor, wherein the core processing unit receives a control command which is sent by a user terminal through the remote communication interface, transmits the information of home internal equipment to the user terminal, controls the home internal equipment according to the control command through the home local area network interface, and receives the information which is transmitted by the home internal equipment. By functionally arranging the remote communication interface and the home local area network interface, under the comprehensive control of the core processing unit and the ARM9 processor, functional effective integration of home gateway, multimedia information transmission, home equipment control and the like is realized, and a user can manage and control home equipment to the largest extent.

The invention discloses embedded GPS and BDS combined real-time precise single point positioning equipment. A hardware platform is based on the ARM9 series S3C2440 acting as a master control chip so that the resolving real-time performance and effectiveness of positioning can be guaranteed; an unicorecomm UB380 satellite board card is integrated, the work principle and the circuit design of each module are analyzed and researched, and a hardware framework including a power supply module, a network module, a serial port module, a satellite positioning module and a display module is established; and a Linux operating system is transplanted on the basis of the hardware platform, the embedded GPS / BDS real-time precise single point positioning software is developed accordingly, enhancement information is acquired in real time through the network to calculate the real-time satellite precise orbit and clock error, the error of the signal propagation process is corrected and eliminated through an error model, precise single point positioning is completed by Kalman filtering and the static centimeter level and dynamic decimeter level positioning accuracy can be realized so that the engineering cost can be effectively reduced and the social and economic benefit can be greatly enhanced.

The invention relates to the computer communication technical filed, and particularly to an inertia processing method for a frequency hopping FHSS wireless network applied to the multi-interference environment. The inertia processing method comprises a user data interface, a data interface, a hardware drive, an Ad Hoc functional module and a radio frequency module; an ARM9 chip in a core circuit of the Ad Hoc functional module is connected with a radio frequency circuit through an SPI interface, so as to achieve the transmission and the control of data; a linkage road state is determined by adopting a network protocol algorithm on the basis of a DSDV route protocol, so as to increase the inertia avoiding time cycle; when interference exists, a route trial is carried out by firstly adopting a frequency hopping FHSS, and an avoiding time interval Tinert is arranged as a configuration parameter; when frequency-hopping communication can not be achieved due to a certain route failure, and a plurality of inertia cycles are kept, a new route update strategy is started. Compared with the prior art, the inertia processing method has the advantages that the frequency of updating a route is reduced, and the inertia processing method has stronger capacity of interference resistance.

The invention relates to a vehicle guiding terminal device for an electric automobile charging and switching station, comprising a central control processing unit, wherein the central control processing unit is respectively connected with an RFID (Radio Frequency Identification) module, an image acquisition module, a video coding module, a vehicle data acquisition module, a vehicle control module, a display module, a GPS (Global Positioning System) module, a wireless communication module, a power supply module and a storage module. The central control processing unit adopts an ARM9 as an embedded processor; the central control processing unit is respectively connected with the RFID module and the GPS module by virtue of an RS232 interface and is connected with the wireless communication module by virtue of a serial port or a USB (Universal Serial Bus) interface; and the wireless communication module is a GPRS (General Packet Radio Service) or 3G (3rd-generation) mobile communication module. The terminal device provided by the invention realizes rapid and accurate parking of an electric vehicle on a charging position or a switching position by adopting an image identification navigation mode and an RFID identification location mode and provides guarantee for stable operation of an electric automobile charging and switching station.

The invention discloses a control system for a servo press, and belongs to the technical field of electromechanical control. The control system for the servo press comprises an ARM9 microprocessor submodule and an FPGA submodule, wherein the ARM9 microprocessor submodule and the FPGA submodule carry out communication through a bus, the ARM9 microprocessor submodule is used for reading sliding block position information output by a position detection device, obtaining the theoretical speed of a sliding block at the position according to the sliding block position information, and transmitting the theoretical speed of the sliding block to the FPGA submodule, and the FPGA submodule uses a three-level series connection fuzzy PID control structure to have control over a servo motor. Further, the ARM9 microprocessor submodule comprises a real-time embedded operating system with combination between the Linux and the Xenomai. Compared with the prior art, the control system for the servo press has the advantages of being low in cost, compact in software and hardware resource, low in power consumption, good in real-time control performance and high in accuracy.

The invention discloses a multifunctional real-time data acquisition intelligent terminal. The main function module of the multifunctional real-time data acquisition intelligent terminal comprises an ARM9 (Advanced RISC (Reduced Instruction Set Computer) Machine 9) processor, a keyboard circuit, a liquid crystal display circuit, a 433 MHz wireless transmission module, a WIFI (Wireless Fidelity) wireless module interface circuit, a RFID (Radio Frequency Identification) reader module, a fieldbus interface circuit, a fingerprint module interface circuit and a bar-code acquisition instrument interface circuit, wherein an ARM chip is used as a controller, and used for acquiring information of RFID cards, fingerprints and bar-codes, and controlling the wireless transmission module to receive and transmit data information. By using the terminal, the enterprise can bind information of personnel, raw materials, equipment, in-process materials and the like with the RFID cards or bar-codes, or use fingerprints of personnel as the reference for attendance checking and authority. The production information is acquired to the terminal by the module, and transmitted into a database in a wireless or wired mode, so that the informatization management is extended to the workshop production, thereby accurately monitoring and controlling the overall production process in real time.

The invention discloses a network type electric black box suitable for automatic power distribution systems, belonging to the technical field of data collection and comprising a power supply module, amicrocontroller module, a communication module, a display module, an upper position machine configuration program and the like, wherein the power supply module is used for supplying power to the microcontroller module and the communication module; the microcontroller module uses an embedded processor ARM9 as the core and has a memory FlASH of an outer extension program and a data memory SDRAM; the communication module has a plurality of different communication ports, and the display module is used for displaying the current running state of a system. The electric black box connects various data collection terminals by RS-485 and RS-232 ports in a hanging mode, realizes the communication with an upper position management unit by Ethernet, CDMA / GPRS / GSM and the like, has abundant data transmission modes, flexible configuration and good automatic management and can individually run free from the upper position machine.

The invention discloses an embedded video collection system based on an ARM9 and a V4L2 interface. The system comprises a browser client, a special traffic video collection card integrated into an ARM microprocessor and camera elements. The camera elements collect field traffic video image data. The special traffic video collection card integrated into the ARM microprocessor reads images and carries out real-time data processing, transmits processed traffic video image data to the browser client through a network based on a transmission control protocol and displays collected traffic video images in real time by accessing the browser client. The scheme of the invention is wide in controllable range, high in expansibility, and high in system timeliness and stability.

The invention discloses an ARM processor-based street lamp centralized controller. The controller comprises a power part, a man-machine interaction control part, a clock control part, an ARM9 central control part, a memory part, an LCD display part, external equipment interfaces (such as a GPRS interface, an Internet interface, a USB interface and an RS232 serial interface) and a relay control part, wherein the ARM9 central control part is used for controlling and coordinating each module to realize a preset function; the memory part is used for storing street lamp controller preset information (such as a control strategy of controlled area information and the like), working parameters of each street lamp and important historical operating data (such as failure occurrence condition, alarm record and the like); the centralized controller can previously set a street lamp switching time table, sampling time of working parameters of the street lamp and an upper limit value and a lower limit value of current for automatic alarm; RX0 and TX0 are connected with S3C2440A and a power carrier module, and RX1 and TX1 are connected with S3C2440A and a GPRS module to realize the transmission of control commands and data; and a power module is used for turning on / turning off the power at the area controlled by the street lamp controller. In the day, the street lamp stops working and a power control module cuts off a relay to prevent safety problem caused by long-term electrification of a transmission line; a man-machine interaction interface provides an on-site operation function, so system maintenance personnel can input the command through a touch screen on site to control the centralized controller and change or inquire control set information of the lighting area; and a liquid crystal display module synchronously displays the operation process and the operation result.

The invention provides a fingerprint acquisition system. An ARM9 processor S3C2410 serves as a core microcontroller of the system and is in charge of acquisition, processing and storage of fingerprint images, and communication with an upper computer. Except the core microcontroller, the system further comprises a fingerprint data acquisition module, a data storage module, a power module, an RS232 serial port communication and joint test action group (JTAG) load debugging module, and a crystal oscillator and reset module which is needed by a minimum system. The system effectively improves reliability, and reduces cost.

The invention relates to an automatic control system for ink quantity of a printing press and is provided with a computer containing control software and an embedded control system with a multilayered structure. A centralized control layer is a central control unit, which adopts an ARM7 or an ARM9 inner core processor and a UCOSII embedded real-time multitasking operating system. An Ethernet interface communicated with the computer and an outside network is arranged, thus a data exchange layer and a execution control layer can be controlled and monitored through a 485 bus interface; the data exchange layer is a communication unit and is equipped with a 485 bus interface used for the data information exchange between the centralized control layer and the execution control layer; the execution control layer is an ink slice driving unit used for receiving the control information from the computer and the centralized control layer so as to accurately control the position of the mechanical executive component and feedback the operating state of the execution control layer in real time.

The invention provides an intelligent transmission line online monitoring system based on an ARM9 kernel. The monitoring system comprises a power supply module, a master control module, a camera and a 4G / 3G wireless network communication module, the output end of the power supply module is connected with the master control module, the master control module is provided with a main controller, an SATA hard disk module, a DDR memory module, an RTC real time clock module, an EEPROM module, a video processing module and a 4G / 3G wireless network communication module, the output end of the camera is connected with the video processing module, the video processing module is connected with the main controller, the main controller uploads data to a monitoring center via the 4G / 3G wireless network communication module, and the monitoring center transmits a control command to the main controller via the 4G / 3G wireless network communication module and controls the power supply module and the camera via RS485 data lines. The surrounding state and environment parameters of the transmission lines are monitored in a multi-target all-weather manner, the operation safety of the lines is greatly improved, and labor and material resources of onsite tour inspection are greatly reduced.

The invention discloses a main chain tension predicting control system of a paraffin continuous shaping machine, which solves the alarming problem when the conventional system fails. The invention adopts the following specific technical scheme: the main body structure of the tension predicting control system mainly comprises a transducer, a revolving coder, a tension sensor detecting element, a signal detecting device, a signal transmitting and processing device and a configuration software and expert diagnostic software system; a control system ARM9 and an operation system WIN-CE of a host computer accurately and quickly sequence and store performance parameters in a related database; the expert diagnostic software system finishes data acquisition and signal comparison, analyzes the running state of equipment and finishes pre-diagnosis for the abnormal running fault of the equipment; and the system can send an early warning signal or automatically stops in necessity for processing the failure. The system has the advantages that: coordinate positioning management on the main chain is performed so as to predict the failure in advance, diagnose the failure in time and realize control in advance and prediction as target to further ensure stable operation of the main chain.

The invention provides execution modules, a magic cube resolving robot and a use method for the magic cube resolving robot. The magic cube resolving robot comprises a control module, a plurality of execution modules and a power supply module. The control module is used for obtaining initial state information of a magic cube, generating restoration control information of the magic cube according to the initial state information and controlling the execution modules to perform restoration operation of the magic cube according to the restoration control information of the magic cube. The power supply module is used for supplying power to the control module and the execution modules. The control module comprises an ARM9 development board, a motor driver and a camera, wherein the camera is used for obtaining the initial state information of the magic cube, that is, acquiring color information of all faces of the magic cube; the ARM9 development board is electrically connected with the execution modules through the motor driver and used for generating the restoration control information of the magic cube according to the initial state information of the magic cube and controlling the execution modules to perform restoration operation of the magic cube according to the restoration control information of the magic cube. The magic cube resolving robot comprises the control module and the execution modules and is capable of performing color recognition and magic cube solution operation and motion control autonomously and independently.

The invention relates to a CAN (controller area network) bus based distribution automation terminal which comprises multiple data acquisition units used for acquiring three-phase voltage and current signals. The multiple data acquisition units communicate with a main processor through a first CAN bus, and communication is realized among the multiple data acquisition units through a second CAN bus. The invention further discloses an analog quantity acquisition method of the CAN bus based distribution automation terminal. An ARM9 high-speed processor is taken as a core board, data gathering is realized by taking the first CAN bus as a main passage, and mutual information gathering is realized among the data acquisition units through the second CAN bus. The CAN bus based distribution automation terminal has strong expansibility and meets multipath bus configuration requirements of large-sized transformer substations, switching stations and ring network cabinets.

The invention discloses a mechanical arm force feedback control system and method based on an embedded type motion controller. The mechanical arm force feedback control system comprises a six-shaft light weight type mechanical arm body, a servo motor encoder, a servo motor driver, a strain type spoke sensor, an embedded type motion control panel, a pulse interface, an ARM9 chip, a PCL6045B chip, an FPGA chip, an upper computer, an interface circuit, a resistance strain gauge, an analog-digital converter (ADC) and an ADS1256 module. The mechanical arm force feedback control method comprises thesteps of mechanical arm motion control; multi-shaft servo motor position decoding; and torque sensor signal processing. By means of the mechanical arm force feedback control system and method, the features, namely high real-time performance, high anti-interference performance and high stability, of the embedded type motion controller are fully utilized; and the control system aims at achieving the advantages of being small in size, customized, and high in control precision.

The invention discloses a method for controlling high-speed motion of an electronic pattern sewing machine, which includes: when a spindle servo motor part moves at constant speed, a control system detects motional angle and position of a spindle motor so as to control X-axial and Y-axial motor motion; a scheme of double processing units, namely ARM9 (advanced RISC machine 9) and ARM7, is adopted to separate operation and control of pattern information, and accordingly different controllers can be used for implementing respective specific functions; and the ARM9 operates the pattern data based on a powerful data processing function of the ARM9, the data are transmitted to the ARM7 through a serial line, and the ARM7 can control sewing according to pattern processing results. By means of the double-processing-unit control scheme, control time is well saved, the performances of the control system are improved, sewing speed is increased, the ARM9 processing unit is freed while patter sewing is unaffected, and accordingly other operations are available.

The invention relates to an embedded B-mode ultrasonic diagnostic device and a signal processing method thereof, and the embedded B-mode ultrasonic diagnostic device comprises a housing and a display device, wherein a power supply module and a signal acquisition and processing circuit are mounted in the housing, and the power supply module can provide power supplies of plus or minus 80V, plus or minus 60V, 12V, plus or minus 5V; and the signal acquisition and processing circuit comprises an eight-channel A / D conversion circuit, an FPGA chip and an ARM9 chip, wherein the FPGA chip is connectedwith a dynamic memory, the eight-channel A / D conversion circuit is used for receiving an ultrasonic signal from a probe, the output of the eight-channel A / D conversion circuit is connected with a data input port of the FPGA chip, a control port of the FPGA chip is connected with a control port of the ARM9 chip, a data port of the ARM9 chip is connected with the data port of the FPGA chip, and theFPGA chip is connected with the display device. The embedded B-mode ultrasonic diagnostic device has the benefits that as the embedded B-mode ultrasonic diagnostic device adopts the teamwork of multiple processors and adopts an embedded operating system, the embedded B-mode ultrasonic diagnostic device has good modularization, scalability and real-time performance, powerful communication capacity, and rich and beautiful interface, and can lead the performances of the whole B-mode system to be more stable and avoid the halting phenomenon during the normal working.

The invention discloses a full-digital servo system controller of a two-wheel micro-mouse based on dual processors. The full-digital servo system controller comprises a master control unit, a first moving control unit, a second moving control unit and a power source. The power source is electrically connected with the master control unit. The master control unit comprises an ARM9 processor and an LM 629 processor, the ARM9 processor is electrically connected with the LM 629 processor to control the working or stopping of the LM 629 processor, and the first moving control unit and the second moving control unit are respectively and electrically connected with the LM 629 processor. By means of the method, the full-digital servo system controller of the two-wheel micro-mouse based on the dual processors has the advantages of being low in interference error rate, easy to control, good in stability, good in dynamic property, strong in anti-interference ability and the like, the system is debugged easily, and the micro-mouse sprint controller has wide market prospects in popularization.

The invention relates to a networked interactive multifunctional prescribed form penmanship practice system and a method. Aiming at the defect that the current electronic penmanship practice device has single function, the invention provides the following technical scheme that: the system comprises an ARM9, an FLASH, an SDRAM, an EEPORM, a touch screen, an A / D converter, an LCD interface, a USB interface, a COM interface, an Internet interface RJ45, a power supply and a case; the touch screen is embedded in a panel of the case and connected with the ARM9 through the A / D converter and the LCD interface; the ARM9 is connected with a speaker through an audio interface and also connected with the USB interface, the COM interface and the Internet interface RJ45; and the system realizes prescribed form character writing practice with guidance functions of assigning and submitting written work on line, correcting the written work on line, looking up work results on line and combining voice or voice and diagram by using technology of mode identification, graphics, voice, friendly interface, database, network engineering and computer software.