Abstract

In this paper, an active safety devise for skid control of a small in-wheel electric vehicle that uses a hybrid hydraulic-mechanical brake system is proposed. During past research, it is known that by using a hybrid hydraulic-mechanical brake system a small electric vehicle can accommodate an anti-lock brake system (ABS). When skid occurs, especially on icy road, ABS will maximize the slip ratio and cornering force during braking, thus, assuring the stability control of the vehicle and eliminating the possibility of accident. Before we can acknowledge the control method of ABS, we have to investigate the effectiveness on hybrid hydraulic-mechanical brake system. We had to consider that the rear brake system has a regenerative brake produce from the in-wheel motor system. The experimental result of the effectiveness of an ABS of a small electric vehicle utilizing a hybrid hydraulic-mechanical brake system during braking on an icy road is calculated in a simulation.

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