Preview Ride Comfort Control for Electric Active Suspension View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2013

AUTHORS

Haruhiko Sugai , Shuuichi Buma , Ryo Kanda , Kenshiro Yoshioka , Masaaki Hasegawa

ABSTRACT

A preview control that acts in accordance with the road surface profile in front of the vehicle has been proposed as a way to enhance ride comfort. Although the effectiveness of this control has been verified, many issues remain to be resolved, including improving the road surface profile estimation accuracy while the vehicle is in motion. Consequently, as a way of enhancing the comfort of the vehicle and reducing energy consumption, this development aimed to construct preview ride comfort control logic capable of estimating road surface displacement more accurately. To improve estimation accuracy, this paper proposes a method of estimating the road surface displacement in front of the vehicle using preview sensors and the body displacement estimated using a full-order observer. It describes sky-hook control logic that performs feed-forward of control amounts proportionally to the lateral road surface displacement. The ride comfort performance in the roll direction and the energy-saving effect of this control was verified using a 4-wheel shaker and in actual driving tests. It was confirmed that the developed control estimates road surface displacement more accurately than the previous control, thereby improving ride comfort at low-frequencies and reducing energy consumption. The result is a more feasible preview control system that has made progress toward the aim of practical application. More... »

PAGES

147-161

Book

TITLE

Proceedings of the FISITA 2012 World Automotive Congress

ISBN

978-3-642-33794-9
978-3-642-33795-6

Author Affiliations

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-642-33795-6_13

DOI

http://dx.doi.org/10.1007/978-3-642-33795-6_13

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1018124452


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