Automotive electronics CANBUS vehicle network experimental teaching system Chengdu Panfeng Technology

Automotive Electronics Vehicle Network Experimental Teaching System
System Overview
() Controller Area Network is one of the most widely used open fieldbuses in the world. As a technology with advanced technology and high reliability , network communication control methods with complete functions and reasonable costs have also been widely used in automobiles. The automotive electronic body network system is composed of multiple high-speed bus network communications to achieve rapid interaction of vehicle power and operating system information, low-speed bus network communication to achieve vehicle body operation control information interaction, and low-cost buses to perform necessary expansion of the network. Through the connection of the bus, multiple control networks are interconnected and interconnected, making the car safer, more reliable, and the expansion of intelligent functions more convenient and lighter.
The experimental system is configured with common automotive basics () and can be operated locally through external input and output hardware to achieve the purpose of understanding a single function. Provide simulation models, schematic diagrams, source codes necessary for secondary development, etc. to lay the foundation for independent development of automotive electronic functional components in the future. The system can also be networked to form a basic vehicle network model to understand the basic composition of the vehicle network. Through the supporting platform software, the design, software simulation, semi-physical simulation, hardware-in-the-loop simulation, etc. of the vehicle network can be completed to achieve the construction of a network control scheme to verify the network model and collect, store, analyze, and process network data, etc. Measurement, evaluation, and optimization of in-vehicle networks.
Two technical indicators
. Dual gateway experimental box
. Can realize selective data interaction between low-speed network (such as) and high-speed network (such as) to complete different communication rates within the automotive electronic body network Information interconnection between networks.
. Support and protocol support communication speed range~.
. Display network messages and other related information in real time through the color LCD display.
. Provides a switch signal input and a switch signal output.
. Provide software code to test various baud rate standards, communication frame types, communication frame formats, bus filtering and other functions.
. Network communication soft simulation, semi-physical simulation and hardware-in-the-loop simulation can be performed through platform software.
. Provide teaching resources such as physical schematics and experimental source codes.
. It can diagnose a single communication function through the platform software and perform comprehensive diagnosis of multiple networked communications.
. Combined instrument test box
The automobile instrument is a comprehensive automobile electrical appliance that collects and displays information from various automobile modules such as lights, doors, oil temperature, vehicle speed, etc. Therefore, the instrument is the collection point of all automobile information. The instrument must not only display the status information but also send the corresponding information to the corresponding control module. The instrument is relatively busy and plays a very important role in the automotive electronic body network.
. Instruments include: engine tachometer, speedometer, fuel gauge and temperature gauge.
. Indications include: fuel alarm signal, water temperature alarm signal, charging indication signal, oil pressure alarm indication, brake fluid level fault alarm indication, parking brake indication, brake shoe gap warning indication, seat belt not fastened There are many warning indicators, r fault indicators, low beam lights, high beam lights, anti-fog lights, turn signals, etc.
.The software includes the following module units:
..Fuel meter control module: mainly includes oil level acquisition module and stepper motor drive module
..Thermometer control module: mainly includes temperature acquisition module And stepper motor drive module
..Speedometer control module: mainly includes vehicle speed acquisition module and stepper motor drive module
..Tachometer control module: mainly includes speed acquisition module and stepper motor drive module
..Indicator module: mainly includes signal acquisition and control signal output modules
..Communication module: mainly includes data processing module, receiving and sending module
. Experimental signal input:
The experimental equipment comes with a signal input signal generator, signal input network message input.
. Carry out soft simulation, semi-physical simulation and hardware-in-the-loop simulation through platform software.
. Provide teaching resources such as physical schematics and experimental source codes.
. Tongtong can diagnose a single communication function through the platform software and perform comprehensive diagnosis of multiple networked communications.
. Door control experiment box
. Provides no less than 1 channel of relay signal output to drive and control automotive electrical appliances such as doors, windows, rearview mirrors, etc.
. Four independent control switch inputs.
.Realize the comprehensive application of bus communication.
. Through local control, the function demonstration of this unit can be realized, and the simulation control of the actual vehicle can be carried out through the bus network, and relevant control messages, indication information, etc. can be displayed through gateways, instruments, etc.
. Comprehensive application of communication networking, data interaction and door switch control strategies
. Provide teaching resources such as schematic diagrams and experimental source codes.
. Carry out soft simulation, semi-physical simulation and hardware-in-the-loop simulation through platform software.
. Tongtong can diagnose a single communication function through the platform software and perform comprehensive diagnosis of multiple networked communications.
. Car light control experiment box
. More than seven groups of light control relay outputs.
. More than seven independent logic signal inputs.
.Realize the comprehensive application of bus communication.
. Through local control, the function demonstration of this unit can be realized, and the simulation control of the actual vehicle can be carried out through the bus network, and relevant control messages, indication information, etc. can be displayed through gateways, instruments, etc.
. Provide teaching resources such as schematic diagrams and experimental source codes.
. Carry out soft simulation, semi-physical simulation and hardware-in-the-loop simulation through platform software.
. Tongtong can diagnose a single communication function through the platform software and perform comprehensive diagnosis of multiple networked communications.
. Anti-theft alarm experimental box
. More than six relay control outputs and more than five alarm signal inputs.
. Comprehensive application of data interaction technology of bus communication and wireless communication as well as automobile anti-theft principles.
. Provide teaching resources such as schematic diagrams and experimental source codes.
. Multi-channel D working indicator light control circuit.
. The electronic anti-theft software part mainly includes function selection switch signal acquisition and processing, brake pedal and other switch signal acquisition and processing, vibration sensor signal acquisition and processing, r signal acquisition and processing, relay control and control strategy.
. Carry out soft simulation, semi-physical simulation and hardware-in-the-loop simulation through platform software.
. Tongtong can diagnose a single communication function through the platform software and perform comprehensive diagnosis of multiple networked communications.
. Reversing radar experimental box
. By controlling the ultrasonic probe to collect the distribution of obstacles around the car body, the information is summarized and fuzzy reasoning is used to provide reversing suggestions.
. Provide teaching resources such as schematic diagrams and experimental source codes.
. Carry out soft simulation, semi-physical simulation and hardware-in-the-loop simulation through platform software.
. Tongtong can diagnose a single communication function through the platform software and perform comprehensive diagnosis of multiple networked communications.
. Intelligent skylight experimental box
. Provides on-road control relay output to control the skylight sliding motor, ramp-up motor, etc.
. Provide logic signal input on the road.
. Realize the opening and closing control of the sliding motor by the sliding switch.
.Realize the ramp-up switch to control the opening and closing of the ramp-up motor.
. Realize automatic control of skylights.
. Comprehensive application of bus communication technology and intelligent skylight control principles.
. Provide teaching resources such as schematic diagrams and experimental source codes.
. Carry out soft simulation, semi-physical simulation and hardware-in-the-loop simulation through platform software.
. Tongtong can diagnose a single communication function through the platform software and perform comprehensive diagnosis of multiple networked communications.
. Bus simulation development tool
The platform software is an integrated development environment for vehicle networks and related development, testing and analysis. The software covers the complete development process from system planning to implementation, which can improve the development of network-based and the efficiency of in-vehicle networks. The software platform mainly includes three functional modules: database function module, measurement function module, and simulation function module. Support the development, measurement, simulation, diagnosis, testing, analysis, data recording, data playback, etc. of vehicle network systems and achieve compatibility with the company's d files.
. Measurement: reflect the bus status and related information of the vehicle network in real time in the form of graphics charts and other forms
. Simulation: used for vehicle network simulation, including software simulation and semi-physical simulation, hardware-in-the-loop simulation.
.Diagnosis: Complete diagnosis of a single communication function and comprehensive diagnosis of multiple connected networks.
.Testing: Carry out bus communication function testing, inspection, test model regression testing and consistency testing at each stage of the development process.
. Data recording and playback: Bus data can be recorded and the recorded data can be played back.
. Two independent channels that comply with standards can process and format message information at a sending speed of up to greater than frames/second and a receiving speed of up to greater than frames/second.
. Can display bus load and flow as well as bus error status in real time.
.Supports detection and display of error frames.
. Configurable via script to support custom protocols.
. Can send protocol frames for simulation operations. It has keyboard input, time and other trigger functions, and can be set to trigger the sending of corresponding protocol frames when receiving a specified type of protocol frame.