Design Concept and Advantages of Steer-by-Wire System

Onoda, Y.; Onuma, Yutaka; Goto, Takeshi; Sugitani, Tatsuo

doi:10.4271/2008-01-0493

Cited by 24 publications

(7 citation statements)

References 2 publications

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“…Much work has gone into creating such a natural steering feel [11] [12] [13], although it is not fully clear what "natural" means, so that it may be more appropriate to talk about satisfactory steering feel. Steer-by-wire configurations make it possible to adjust the transfer function to the needs of the situation, and, if desirable, to enable the driver to adjust the steering effort to his/her personal preferences [1] [8] [14] [15]. A challenge for research is then to determine what 'satisfactory' means, and how it relates to the situation and individual characteristics and preferences as well as performance of drivers.…”

Section: Steer-by-wire Systemsmentioning

confidence: 99%

Individual differences in preferred steering effort for steer-by-wire systems

Anand

Terken

Hogema³

2011

Proceedings of the 3rd International Conference on Automotive User Interfaces and Interactive Vehicular Applications

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Steer-by-wire systems provide drivers with the opportunity to personalize steering settings in vehicles. Studies conducted in the past have indicated that preferences for steering effort, one of the factors which affect steering feel, vary based on individual differences that include factors such as age, gender and driving style. These differences have mostly been established by subjective evaluations and comparative studies, where participants were unable to modify steering effort actively while driving a vehicle. This paper describes an experiment conducted on a driving simulator designed with a user interface that allows participants to actively modify steering effort settings on the steering wheel, to investigate the effect of gender on preferences for desired steering effort and personalization of future steering systems. Participants in the study performed multiple driving tasks on the simulator while interacting with the user interface to vary steering effort and subsequently reported their preferred level. Results from the study indicate individual differences exist with respect to preferred steering effort, although gender does not significantly impact the preference for steering effort. On the basis of the findings we propose a recommendation for the design and development of by-wire steering systems.

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Section: Steer-by-wire Systemsmentioning

confidence: 99%

Individual differences in preferred steering effort for steer-by-wire systems

Anand

Terken

Hogema³

2011

Proceedings of the 3rd International Conference on Automotive User Interfaces and Interactive Vehicular Applications

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“…[5][6][7] Dual-motor SBW system came into being, which can achieve system redundant backup. [8][9][10] Importantly, for heavy-duty commercial vehicles, the output torque of a single motor is not enough to overcome the huge steering resistance moment, so a dual-motor scheme must be adopted to realize high-level unmanned driving of heavy-duty commercial vehicles.…”

Section: Introductionmentioning

confidence: 99%

Synchronous and fault-tolerance control for dual-motor steer-by-wire system of commercial vehicle

Guo-biao

Qiao

Sang

et al. 2023

Proceedings of the Institution of Mechanical Engineers, Part D:

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In order to meet the high safety requirement of high-level automatic steering mechanism for commercial vehicle, a kind of steer-by-wire (SBW) system with redundant motors is studied in this paper, and the structure principle and control strategy of the system are studied. Commercial vehicles have the characteristics of large steering resistance moment, which is accompanied by impact and vibration during steering, so the synchronous control of dual motors is the key and difficult problem. Based on the circulating ball steering gear for commercial vehicle, dual-motor synchronous control architecture is designed and the dual-motor global-fast-terminal-sliding-mode (nonsingular-GFTSM) synchronous control is formulated. Compared with the sliding-mode control, the simulation results show that the dual-motor actuator based on nonsingular-GFTSM can better realize the synchronous operation in angle, speed and torque. In addition, a real-time motor fault-diagnosis method based on sliding mode observer and a fault-tolerant control strategy based on smooth switching system are designed, which can achieve fast fault-isolation and smooth torque switching in case of actuator failure in dual-motor system. A Hardware-in-the-Loop (HIL) test bench is built to further verify the effectiveness of the synchronous and fault-tolerance control strategy for dual motors.

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“…For example, the factor error in the mechanical structure when using different motors or the synchronous control strategy of the steering-by-wire system of the dual steering actuator motor have a certain impact on the hub performance. Onoda et al [16] designed the structure of the steering-by-wire system with two controllers and two steering executive motors. The system installed a clutch between the steering column and the steering gear, which further improved the safety of the steering-by-wire system.…”

Section: Introductionmentioning

confidence: 99%

Static and Modal Models of Automotive Wheel Hubs Based on Lightweight Design and Cost-Effectiveness

Cang,

Zhang,

Cui

2023

Applied Sciences

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This study investigated the optimization design methods for automotive wheel hub structures based on lightweight and economic considerations through static and modal analyses. A comprehensive static analysis and modal analysis of the automotive wheel hub were conducted using finite element analysis to understand its response characteristics under load. In order to optimize the structure of the wheel hub, the lightweight design is also considered on the premise of ensuring the reliability of its stiffness and strength. By appropriately setting the initial conditions and boundary conditions, the deformation and stress distributions of the optimized wheel hub were obtained for various loading positions. The modal analysis results showed that the vibration frequencies of the optimized wheel hub avoided external excitation frequencies, meeting the design requirements. Further analysis of the lightweight effect of the wheel hub was conducted, and a lightweight material replacement scheme was proposed. Ultimately, the rationality of the optimized wheel hub’s strength and vibration performance was validated through comprehensive static and modal analyses.

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Design Concept and Advantages of Steer-by-Wire System

Cited by 24 publications

References 2 publications

Individual differences in preferred steering effort for steer-by-wire systems

Individual differences in preferred steering effort for steer-by-wire systems

Synchronous and fault-tolerance control for dual-motor steer-by-wire system of commercial vehicle

Static and Modal Models of Automotive Wheel Hubs Based on Lightweight Design and Cost-Effectiveness

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