Rapid control prototype teaching device based on electronic throttle valve and control method

Abstract

The invention belongs to the field of automobile intelligence and the technical field of teaching demonstration devices, and particularly relates to a rapid prototype teaching device based on an electronic throttle valve and a control method. The device comprises a pedal type electronic accelerator pedal, an acrylic plate, a direct-current motor driving plate, a guide rail type wiring terminal, a220V alternating-current to 12V direct-current guide rail type power supply, the electronic throttle valve, an aluminum profile plate, an L-shaped fixing plate, a camera fixing piece, a camera, an airswitch, an aluminum guide rail, a sliding block nut, a rapid prototype controller and a PC. The device is simple in structure, small in part number, low in assembly requirement precision, easy to assemble, easy to control and good in maintainability. By changing key parameters in throttle valve control in real time and displaying related signals in an oscilloscope and a PC, the demonstration device can visually and clearly demonstrate the control process and principle of a rapid control prototype. The calibration of the measurement characteristics of the sensor ensures the control precision of the throttle valve control algorithm.

Description

technical field [0001] The invention belongs to the field of automobile intelligence and the technical field of teaching demonstration devices, in particular to a rapid control prototype teaching device and a control method based on an electronic throttle valve. Background technique [0002] With the wide application of automotive electronic control systems, on the one hand, product quality, reliability and working performance are required to meet the requirements; on the other hand, the fierce competition in the global automotive market requires manufacturers to adapt to consumer needs and rely on existing Rapid and flexible development of automotive electronic control system products. The traditional development mode, that is, to develop perfect hardware first, and then develop the control strategy algorithm, has been difficult to meet the requirements due to its inherent shortcomings. Modern development methods are more and more favored by manufacturers because of the in...

AI Technical Summary

Problems solved by technology

[0006] 1) The structure of the mechanical (hardware) part is complex and requires high assembly accuracy; and it often needs to occupy a relatively large space; some RCP devices will use more sensors, anti-electromagnetic interference signal lines, and strong drive capabilities when used The driver board, etc., these accessories will greatly increase the cost of the device; all of the above are not conducive to the reproduction and demonstration of the device;

[0007] 2) There are many wirings in the electrical part. When an electrical fault occurs, there are many electrical components that need to be inspected, and the inspection cost is high, and there will be a phenomenon that the actuator is driven by a large current. The power supply that drives the entire device has certain electrical protection and maximum power supply. Current and supply voltage requirements, poor adaptability;

[0008] 3) The control principle of the RCP device is complicated, making it difficult for students to quickly understand it, which seriously affects the demonstration effect of the RCP device;

[0009] 4) The function of the existing electronic throttle is single, and it can only demonstrate the mechanical principle of electronic throttle control or the changing state of part of the control signal in the process of electronic throttle control, and cannot demonstrate the electrical principle and control process of electronic throttle control. The changing state of all the signals involved in the control makes it difficult for students to have a deep understanding of the principle of the electronic throttle, which in turn affects students' understanding of the subsequent RCP;

[0010] 4) In the teaching process, the narration of RCP and the modern V-shaped development process is often mere formality, and it is difficult for students to have a deep understanding of the modern V-shaped development process. Therefore, there is an urgent need for an RCP teaching platform to intuitively Explain the V-shaped development process;

[0011] 5) The realization function of the device is single, and after the teaching demonstration function is built, it is often only possible to perform teaching demonstration of a single function

This is often due to the lack of interfaces provided by the device, or the device is a "black box", and some or all of the content in the device is unclear, and the cost of modifying the device is high or it is inconvenient to modify

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