Research on Coordination Control Strategy of Driving force of Distributed Electric Drive Tracked Vehicle

doi:10.3969/j.issn.1000-1093.2017.01.002

Abstract

Abstract: A coordinated hierarchy control strategy of driving torque is proposed for the distributed electric drive tracked vehicle. The coordination control system structure is developed，which is divided into motion control layer, control allocation layer and anti-slip layer. The vehicle is considered to be an unequal over-actuated system. A master-slave multi-motor control allocation law is established. The quadratic programming method is used to design the torque optimization distribution law of in-wheel motors, and the weighted least square (WLS) method is used to solve torque distribution , which could improve adhesion margin and decrease friction loss between motor wheels and track. The anti-slip control law developed by LADRC is used to enhance the adhesive force by restricting the slip of drive wheel. Co-simulation of Matlab and RecurDyn shows that the control allocation could realize torque optimization distribution, and LADRC anti-slip controller could regulate the slip speed in steady margin, which could improve the stability and efficiency of force transfer. Key

Key words: ordnancescienceandtechnology, trackedvehicle, distributedelectricdrive, coordinationcontrol

CLC Number:

TJ810.3⁺23

ZENG Qing-han, MA Xiao-jun, WEI Wei, YUAN Dong. Research on Coordination Control Strategy of Driving force of Distributed Electric Drive Tracked Vehicle[J]. Acta Armamentarii, 2017, 38(1): 9-19.

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第38卷
第1期2017 年1月兵工学报ACTA
ARMAMENTARIIVol.38No.1Jan.2017

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