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This paper proposes a new method for designing a digital control system, in which a plant in continuous time is controlled by updating a control input in discrete time. The controlled system is a dual-rate system in which the sampling period is restricted to be double the control period. Hence, a fast-rate control system cannot be obtained, and to obtain a single-rate control system, a designed system...
This paper describes a design method of an output and/or error signal feedback controller for a single-input-single-output plant based on integral-type optimal servomechanism. The obtained closed-loop control system has as sufficient stability margins and good control performance as a state feedback one with an observer. Particularly the resultant controller for a second-order delay plant becomes...
Class D amplifiers are becoming the most feasible solution for embedded audio application. However, distortions due to the non-linear nature of switching stage are the main drawback for this amplifier topology. This paper discusses the design and implementation of high fidelity audio class D using sliding mode control scheme. This design method proves to be a cost effective solution for industrial...
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