Strategies to improve steering handling performance for steer-by-wire system

Shu-fang, Geng; Wang, Lifang

doi:10.1109/cctae.2010.5543741

Cited by 2 publications

(4 citation statements)

References 6 publications

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“…However, Fig. 12 shows that the stable area is the broadest when 7 , = 0.025 [8], and comparatively narrow as without YMO when 7 , = 0.01 [s]. These results shows that the decrease of 'Yr does not always lead to the improvement of steering stability for drivers who have short preview time Td and large steering gain h.…”

Section: B Changing Of Steering Performancementioning

confidence: 73%

“…Conventional methods for improving steering stability mainly apply electric power steering (EPS) to adjust steering angle automatically [6]- [8]. The authors' research group, on the other hand, has focused on driving and braking force differences between left and right wheels, which is enabled by adopting in-wheel motors, and proposed various methods including YMO.…”

Section: Introductionmentioning

confidence: 99%

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Fundamental study on design method of Yaw-Moment Observer for improvement of drivers' comfort for electric vehicle

Maeda

Fujimoto

Hori

2011

IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society

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Commercialized electric vehicles (EVs) at the present time are comparatively small and light. Such vehicles are sensitive to lateral wind especially at high speed, which reduces steering stability and comfortability. In this paper, Yaw Moment Observer (YMO) is applied to improve steering stability and comfortability by reducing the effect of disturbance caused by lateral wind. Moreover, vehicle behavior can be designed freely since YMO can nominalize the vehicle yaw characteristics.Therefore the design method of YMO to improve driver comfort and ease of driving is considered. Effectiveness of the proposed method is verified with simulations and experiments. In addition, a quantitative evaluation method for evaluating steering stability is proposed.

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Section: B Changing Of Steering Performancementioning

confidence: 73%

Section: Introductionmentioning

confidence: 99%

Fundamental study on design method of Yaw-Moment Observer for improvement of drivers' comfort for electric vehicle

Maeda

Fujimoto

Hori

2011

IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society

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“…Steering motor drive signal can be worked out. Besides, the main controller (ECU) controls the road feeling motor to realize road feeling simulat ion of mechanical steering system [7][8][9][10][11].…”

Section: A the Model Of Sbw Systemmentioning

confidence: 99%

“…Remove mechanical linkage between the steering handle and front wheels is the main characteristic of SBW system, so the various limitations of conventional mechanical steering system are co mpletely non-existent [8,9,11,12]. Therefore, the angular transmission characteristics of forklift can be easily designed, and the force transmission characteristics of the forklift can be designed according to the need of design, which brings inf inite space to the design of the electric forklift steering characteristics.…”

Section: Introductionmentioning

confidence: 99%

Research on Modeling and Active Steering Control Algorithm for Electric Forklift Steer-by-Wire System

Liu¹,

Xiao²

2016

IJISA

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Abstract-In this paper, according to the structure characteristics of steer-by-wire (SBW) system for the TFC20 electric forklift, steering dynamics model and two degree of freedom vehicle model are deduced for SBW fo rklift. Aiming at the free design features of the angular transmission characteristics in the SBW system of electric forklift, the theory of active steering control strategy is studied. After analyzing the influence factors of the angular trans mission ratio of the steering system, the ideal angular transmission ratio is proposed, which is based on the yaw rate gain invariance. Also, the control strategy of the yaw rate feedback and the full state feedback is studied. The simu lation results show that the above strategy is effective for the act ive steering control; it can imp rove the operating stability and the response speed of the for klift.Index Terms-Electric forklift, full state feedback, ideal transmission ratio, modeling, steer-by-wire, yaw rate feedback.

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Strategies to improve steering handling performance for steer-by-wire system

Cited by 2 publications

References 6 publications

Fundamental study on design method of Yaw-Moment Observer for improvement of drivers' comfort for electric vehicle

Fundamental study on design method of Yaw-Moment Observer for improvement of drivers' comfort for electric vehicle

Research on Modeling and Active Steering Control Algorithm for Electric Forklift Steer-by-Wire System

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