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http://dx.doi.org/10.7467/KSAE.2012.20.4.001

The NCF Algorithm for the Control of an Electro-mechanical Active Suspension System  

Han, In-Sik (5th Institute, Agency for Defense Development)
Lee, Yoon-Bok (5th Institute, Agency for Defense Development)
Choi, Kyo-Jun (5th Institute, Agency for Defense Development)
Kim, Jae-Yong (5th Institute, Agency for Defense Development)
Jang, Myeong-Eon (5th Institute, Agency for Defense Development)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.20, no.4, 2012 , pp. 1-9 More about this Journal
Abstract
The NCF control algorithm for an active suspension system was proposed and investigated. The NCF algorithm using spring dynamic variation force and suspension relative velocity was applied to the 1/4 vehicle model and numerical analysis was performed. Vehicle's performances such as vehicle displacement, vehicle acceleration, suspension deflection, tire deflection and absorbed power were calculated and compared with those of the passive, semi-active and LQR active suspension system that use full state feedback. Numerical results show that the proposed NCF active suspension system has superior performance compared with the passive and semi-active suspension system and has very similar performance compared with the LQR active suspension system. So the proposed NCF algorithm is considered as a highly practical algorithm because it requires only one displacement sensor in a 1/4 vehicle model.
Keywords
Active suspension; Control algorithm; NCF control algorithm; Absorbed power;
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