Pole assignment using dynamic compensators with prespecified poles

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Abstract
The paper describes a simple method for the design of physically realizable dynamic output feedback compensators with prespecified poles to achieve pole assignment in single-input, single-output and multivariable systems. In this method, the numerator parameters of the compensator transfer function are used to position the poles of the augmented closed-loop system consisting of the plant and the compensator at specified locations in the complex plane. It is shown that some or all poles of the closed-loop system can be positioned arbitrarily depending on the order of the compensator. The method is first developed for single-input systems. It is then shown to apply directly to single-output systems and is extended to multivariable systems by restricting the compensators to have unity rank. A number of illustrative numerical examples are given

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