Research of Electric Power Steering System Assistance Characteristic Based on the Identification of the Road

Qiang Li; Chang Gao Xia

doi:10.4028/www.scientific.net/AMR.756-759.4401

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 756-759Research of Electric Power Steering System...

Research of Electric Power Steering System Assistance Characteristic Based on the Identification of the Road

Abstract:

Study of traditional assist characteristic cure does not take into account the difference of steering resistance torque caused by different road adhesion coefficient. Vehicle dynamics analysis model is established based on ADAMS/CAR. Simulation of steering wheel torque is realized under different road conditions. Departure from the ideal boost characteristics requirements and combined with ideal steering wheel torque under different speed and lateral acceleration., the article built assist characteristic curve under a certain road conditions. The system can real-time select the assist characteristic curve through identifying the vehicle traveling road conditions by the way of BP neural network. The theory provided a feasible method for the improvement of the EPS system performance.

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Periodical:

Advanced Materials Research (Volumes 756-759)

Pages:

4401-4406

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.756-759.4401

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Online since:

September 2013

Authors:

Qiang Li, Chang Gao Xia

Keywords:

Characteristic Curve, Electric Power Steering System, Selection Strategy

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References

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