Abstract
The topic of this brief is the design and analysis of a control strategy for semi-active suspensions in road vehicles. Currently used closed-loop control strategies (like the Sky-Hook damping) require two sensors for each suspension. Typically, two accelerometers or an accelerometer combined with a stroke sensor are used. In this brief, a simple but innovative algorithm is proposed that is capable of providing quasi-optimal performance using a single accelerometer. The starting point of this work is the Mix-SH-ADD control algorithm, which has been recently developed and proposed. Starting from that idea, the single-sensor algorithm is derived. This algorithm pays a small price in terms of performance with respect to the mix SH-ADD algorithm, while guaranteeing cost reduction and augmented reliability.
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