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Title: Auto-tuning of multivariable decoupling controllers
Authors: Hang, C.C. 
Tay, T.T. 
Vasnani, V.U.
Issue Date: 1991
Citation: Hang, C.C.,Tay, T.T.,Vasnani, V.U. (1991). Auto-tuning of multivariable decoupling controllers. IFAC Symposia Series (7) : 115-120. ScholarBank@NUS Repository.
Abstract: Controller parameters for multivariable systems with interacting loops are difficult to tune. However, using feedforward compensators or decouplers, the interaction can be appropriately compensated so that effective non-interacting single-input/single-output processes are obtained. It then allows application of tuning techniques for single-loop PID controllers to the individual loop. This method, though simple in concept, is difficult to implement manually as it is tedious and time consuming. In this paper a method to automate the process of determining the transfer functions of the decouplers and the tuning of PID parameters is presented. Typical 2-input/2-output plants are used as simulation examples. The controller is implemented on a microcontroller and tested on a portable simulator. Results show significant reduction in interaction and satisfactory tuning performance.
Source Title: IFAC Symposia Series
ISBN: 0080409350
ISSN: 09629505
Appears in Collections:Staff Publications

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