Electromagnetic radiation test planning method for electric vehicle driving system

Abstract

The invention discloses an electromagnetic radiation test planning method for an electric vehicle driving system. The method comprises: firstly, establishing a mechanical model, and establishing a circuit model, and then establishing a whole simulation model, and verifying and modifying the simulation model, and simulating to obtain a simulation result, and finally planning measuring position points. After the whole simulation model is established, a few position points are used for practical measurement to obtain a radiation value verification simulation model, and the simulation model is modified. In the simulation process, through controlling differences of radiation values of adjacent position points, simulation precision is ensured. Through a method of interpolation, the radiation value of any position point in a to-be-measured space area is obtained. Through an optimization method, coordinates of the to-be-measured position points are determined. The method can realize rational selection of key measuring position points in electromagnetic radiation measurement of electric vehicles, and improves efficiency and precision of measurement, and comprehensively evaluates performance of an electric vehicle from a view of electromagnetic radiation three-dimensional field.

Description

technical field [0001] The invention relates to a method for testing the performance of an electric vehicle, in particular to a method for planning an electromagnetic radiation test of an electric vehicle drive system. Background technique [0002] With the increasingly prominent energy crisis and environmental pollution, electric vehicles can realize the sustainable development of the world's automobile industry, and gradually become a hot spot in research and development at home and abroad. In order to meet people's requirements for safety, comfort, power, etc., high-power power electronic devices are integrated in electric vehicles. The system sensitivity of various electronic devices on electric vehicles is high, the frequency band used is wide, and the ability to receive weak signals is strong. When these electronic devices work, they will transmit electromagnetic radiation to the outside world in the form of electromagnetic waves. Among them, the driving motor and pow...

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Problems solved by technology

[0004] Aiming at the technical problems in the electromagnetic radiation measurement process of the electric vehicle drive system, such as high cost, blind selection of measurement positions, and large errors, the purpose of the present invention is to provide an electromagnetic radiation test planning method for the drive system o

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