The Problem of Motion Sickness and Its Implications for Automated Driving

Kirst, Lukas; Ernst, Benjamin; Alexander, Kern; Steinhauser, Marco

doi:10.1007/978-3-030-77726-5_6

Cited by 1 publication

(1 citation statement)

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“…denotes a nonlinear function that describes the systemmeasured observation, and y k ∈ R m is the system output equal to the measured observation. Mapping the nonlinear system model in Equation ( 8) -Equation (7), Equation ( 12) -Equation ( 13), and Equation ( 14) one finds n = 15 and m = 9 with 15 , and…”

Section: Inertial State Estimationmentioning

confidence: 99%

Mitigating Motion Sickness in Autonomous Vehicles for Improved Passenger Comfort

Wadi,

Abdel-Hafez,

Jaradat

2024

IEEE Access

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This work investigates a method to mediate the onset of Motion Sickness (MS) in passenger autonomous vehicles. The inertial forces acting on passengers are estimated and then analyzed in order to reduce the problematic MS-inducing components. An approach is devised to suppress how much lateral acceleration is experienced by passengers and, consequently, alleviate the occurrence of MS. This approach requires equipping the passenger vehicle with an adaptive suspension system with active roll compensation. The optimal roll angle for MS mitigation is computed based on accurate sensor-fused inertial estimates using an off-the-shelf inertial navigation solution. The proposed algorithm is shown to suppress and attenuate the problematic MS-inducing region of the spectrum up to two orders of magnitude for some frequencies. Quantifying the improvement in ride comfort in terms of the Motion Sickness Dose Value (MSDV) metric, as defined in standard ISO-2631, it is reported that the MSDV was reduced by 113% on average using our proposed methodology. INDEX TERMSAutonomous vehicles, motion sickness mitigation, adaptive suspension. I. INTRODUCTION M OTION sickness (MS) is a response to real and apparent motion that results in flushing in the facial area, drowsiness, cold sweating, retching, or even vomiting [1]. It can happen to drivers or to passengers, but passengers are more likely to get affected by it. Passengers are more susceptible to MS than the drivers because, during cornering, they tilt their heads according to lateral acceleration direction, while the drivers tilt their heads against it [2], [3]. MS can occur on ground vehicles, water surface vessels, flying vehicles, and even space vehicles. It has been extensively studied over the past century [3]-[6]. In addition, it is an important consideration as interest in and demand for autonomous vehicles increases [7], [8].

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Section: Inertial State Estimationmentioning

confidence: 99%