Active seat suspension for ultra-compact vehicle (Fundamental consideration on electromyogram when fall from the bump)

Mashino, Masahiro; Sunaga, Keita; Hasegawa, Shinya; Ishida, Masaki; Kato, Hideaki; Oshinoya, Yasuo

doi:10.1109/ipec.2014.6870138

2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA) 2014

DOI: 10.1109/ipec.2014.6870138

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Active seat suspension for ultra-compact vehicle (Fundamental consideration on electromyogram when fall from the bump)

Masahiro Mashino

Keita Sunaga

Shinya Hasegawa

et al.

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Cited by 3 publications

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A Study on Improvement of Visual Field Stability by Using Active Seat Suspension

Mashino¹,

Kato²,

Narita³

2016

Journal of the Japan Society of Applied Electromagnetics and Me

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In recent years, ultra-compact electric vehicles have been marketed by a number of automobile manufacturers. These vehicles are reportedly desirable as they provide independence for elderly people who tend to not go out often and may feel isolated. Therefore, with an aging population, the demand for ultra-compact electric vehicles is expected to increase in the coming years. Despite these advantages, there are many problems to be solved in terms of the safety and comfort of ultra-compact electric vehicles as mobility means for elderly people. Ultra-compact electric vehicles for elderly people require that the vibration be reduced additionally in light of their cognitive function. On the basis of these considerations, the authors suggest an onboard active seat suspension (ASS), which uses a linear motor for a more comfortable ride. This study clarifies the improvement of visual field stability by the ASS on the basis of an evaluation by electrooculogram (EOG), and it shows the possibility of practical vibration control.

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A Study on Improvement of Visual Field Stability by Using Active Seat Suspension

Mashino¹,

Kato²,

Narita³

2016

Journal of the Japan Society of Applied Electromagnetics and Me

View full text Add to dashboard Cite

show abstract

Active seat suspension for ultra-compact electric vehicle (Fundamental consideration on electrooculogram when fall from the bump)

Mashino

Ishida

Narita

et al. 2016

JAE

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Ride comfort control system using driver’s psychological state: Experimental consideration on heart rate variability

Endo

Ikeda

Mashino

et al. 2019

International Journal of Applied Electromagnetics and Mechanics

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Bioinstrumentation has been used in the automotive industry to evaluate the ride comfort level of different vehicles. However, there have been no studies attempting to incorporate bioinstrumentation in the controls. In this paper, we propose a ride comfort control system using the psychological state of the driver as estimated through bioinstrumentation. To evaluate the psychological state of the driver, we use the driver’s heart rate variability, which allows us to calculate the R-R interval and the LF/HF, the values of which reflect the activities of the autonomic nervous system. In this paper, we investigated the usefulness of a ride comfort control system using adequate bioinstrumentation and switching criterions for the system. As the results indicate, the drivers become relaxed when using the ride comfort control system as based on their psychological state. Moreover, the drivers become more relaxed when using LF/HF as the switching criterion for ride comfort.

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Active seat suspension for ultra-compact vehicle (Fundamental consideration on electromyogram when fall from the bump)

Cited by 3 publications

References 6 publications

A Study on Improvement of Visual Field Stability by Using Active Seat Suspension

A Study on Improvement of Visual Field Stability by Using Active Seat Suspension

Active seat suspension for ultra-compact electric vehicle (Fundamental consideration on electrooculogram when fall from the bump)

Ride comfort control system using driver’s psychological state: Experimental consideration on heart rate variability

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