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Hap tic shared control systems combine control inputs of driver and intelligent vehicle by means of forces at the steering wheel, establishing a physical link combining the strengths of each agent. The majority of hap tic shared control systems generates forces in response to the driving environment in a 'one size-fits-all' manner, without adapting the feedback to the requirements and preferences...
We conducted an experiment in our fixed-base driving simulator to determine whether participants experienced arm muscle fatigue during three, one-hour driving sessions. Participants experienced different rotational vibrations on the steering wheel, each representative of a different kind of steering system. Our main hypothesis was that a 'Conventional' steering system would result in more muscle fatigue...
Steer-by-Wire (SbW) systems currently under development by the automotive industry offer interesting new approaches to designing driver-steering wheel interactions. The traditional, emerging dynamics in mechanically linked steering systems can be re-designed with SbW to improve or even extend the steering ‘feel’. In this article we manipulated the steering wheel dynamics such that each design was...
Drivers usually maintain an error-neglecting control strategy (passive phase) in keeping their vehicle on the road, only to change to an error-correcting approach (active phase) when the vehicle state becomes inadequate. We developed an algorithm that is capable of detecting whether the driver is currently error-neglecting or error-correcting in straight lane keeping tasks. The development of this...
Haptic shared control is a powerful way of combining the best of humans and intelligent vehicles, keeping humans in the loop while avoiding many automation issues. Literature has shown that haptic shared control can support drivers to increase performance at reduced control effort, but also points out that even then, subtle conflicts occur between driver and shared controller. This paper hypothesizes...
Knowing the neuromuscular admittance of drivers helps understanding how drivers adapt to different steering wheel configurations. System identification allows, through force perturbations on the steering wheel, for identification of endpoint admittance. Design of the forcing function can greatly influence the obtained results. We conducted an experiment to investigate the effects of frequency content...
Continuous haptic feedback can improve manual control task performance and application methods on steering wheel (haptic steering guidance) have been studied. However, the current haptic steering guidance systems assume there is an average, constant driver's response to force (which can be quantified as the admittance). To improve the performance of haptic steering guidance, the guidance system should...
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