Abstract
One of the recent digital control algorithms is known as the simplified model predictive control (SMPC) algorithm. The SMPC algorithm has many attractive features, such as zero offset, a single tunable parameter, some dead time compensation, and others. One disadvantage of SMPC compared with PID (proportional-integral-derivative) control is the computational effort; it involves N + 2 multiplications (and relatively inexpensive N additions) where N is the number of sampling periods in the settling time. This paper describes a simple yet effective implementation of SMPC that significantly reduces the required computational effort. Furthermore, the proposed modification improves the performance of SMPC for many applications of practical importance.
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