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Subject Keyword Abstract Author
 
 
Design of a rollover prevention controller with differential game theory and a coevolutionary genetic algorithm

Seongjin Yim*
The Journal of Mechanical Science and Technology, vol. 25, no. 6, pp.1565-1571, 2011

Abstract : This paper presents a method for designing a rollover prevention controller with differential game theory and a coevolutionary genetic algorithm. In rollover situations, a driver¡¯s steering input tends to make vehicles roll over. On the other hand, an active anti-roll bar can prevent the rollover. This situation can be modeled as a non-cooperative zero-sum two-player differential game. If an equilibrium solution to the differential game is obtained, it is guaranteed that the active anti-roll bar can prevent the rollover, even with the worst-case steering input. To obtain an equilibrium solution, this study presents a coevolutionary genetic algorithm. To show the effectiveness of this solution, simulations are performed on a vehicle simulation package, CarSim¢ç.

Keyword : Active anti-roll bar; Coevolutionary genetic algorithm; Differential game; Electronic stability control; Rollover prevention

 
 
 
 
 
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