Semi-physical simulation system and control method for vehicle controller of pure electric bus

Abstract

The invention discloses a pure electric bus vehicle control unit (VCU) semi-physical simulation system and a control method thereof. The system comprises an upper computer, a signal interaction device, and the vehicle control unit (VCU), wherein the upper computer is used for building a bus model and correcting control parameters of the bus model to form a physical closed loop; the signal interaction device is used for transmitting data; the VCU is used for receiving the bus model data from the upper computer and processing the data; and the upper computer is in interaction connection with the VCU via the signal interaction device. The invention provides a complete solution scheme for pure electric bus VCU hardware detection, control strategy in-loop simulation, fault information search and parameter configuration optimization, a high-efficiency and low-cost VCU simulation verification method is provided for a designer, and a good start is provided for reducing the development difficulty for software and hardware of the pure electric bus VCU, enhancing safety, enhancing stability and the like.

Description

technical field [0001] The invention relates to the technical field of a pure electric bus controller, in particular to a semi-physical simulation system and a control method for a pure electric bus controller. Background technique [0002] Pure electric bus is an energy-saving, pollution-free "zero-emission" vehicle, which has the advantages of high efficiency, environmental protection, energy saving, low noise, zero pollution, etc. It is currently the mainstream new energy vehicle technology and a future automobile development trend . Due to these advantages, global automakers are increasing investment in R&D and promotion of pure electric vehicles. The research and development of new energy vehicles, especially pure electric vehicles, is currently in a hot state in the global automotive industry. [0003] During the "Tenth Five-Year Plan" period, my country established the "863" major scientific and technological project for electric vehicles, and achieved some results. ...

AI Technical Summary

Problems solved by technology

[0004] The increase in design difficulty has led to some uncertain hidden dangers in the designed vehicle controller. At present, there are relatively few related studies on the simulation test of the vehicle controller for pure electric buses. The existing technical materials mainly give relative The solution path of the hardware circuit design of the macroscopic vehicle controller, but did not give a more systematic and convenient detection and inspection technology of the vehicle controller, and the verification method of the vehicle control strategy algorithm, lacking practical experience in the performance test of the vehicle controller application solution

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