Driving simulation test method for test bench of power system of electric automobile

Abstract

The invention relates to a driving simulation test method in the field of a power system of an electric automobile. In the method, a speed curve part, a power calculating and matching part, a data processing part, a dynamometer, a vehicle road impedance realization part, an accelerator output part, a brake output part, a shift operation part and the power system are combined, and the corresponding functional modules are integrated; by setting target speed-time parameters, technical parameters of different vehicles and the like and calculating and matching the power of the whole vehicle, different commands such as rotating speed, torque, accelerator, brake, clutch, shift and the like at different speeds are obtained, and components on a test bench of the power system of the electric automobile perform corresponding actions so as to complete driving simulation tests under different predetermined road conditions and different vehicle models; and analysis can be performed according to the acquired and recorded related data after the tests are finished so as to obtain the related performance analysis report of the power system and complete the driver driving simulation test on the test bench of the power system of the electric automobile.

Description

technical field [0001] The invention relates to a simulation test method for a power system under different road conditions, specifically a method for simulating energy distribution and driving tests under different road conditions by using an electric vehicle power system test bench. The purpose of the experimental method is to simplify the driving simulation test process, reduce the cost of test bench layout, and try a driving simulation test method in the field of electric vehicle power system under different road conditions. Background technique [0002] As we all know, electric vehicles need to conduct research on driving methods for different road conditions, and also need to carry out necessary driving skills training. The existing driving simulation test methods are mainly based on the existing driver driving simulation test device. The simulation test device is mainly composed of a wheel inertial device, a projector, a plane mirror, a screen, a host computer and a d...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to propose a driving simulation method suitable for electric vehicles for the existing electric vehicle power system test without a dedicated driving simulation test method, and other driving simulation test methods are complicated to operate and not suitable for electric vehicle driving simulation, and Electric vehicle power system test driving simulation test method in the field of electric vehicle power system that can simplify the driving simulation test process and reduce the cost of test bench layout

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