Abstract
This paper develops methodologies and techniques for design, analysis and implementation of a robust predictive temperature controller for a variable frequency oil‐cooling machine, suited for high‐speed machine tools. The approximately mathematical model of the oil‐cooling machine is obtained from its open‐loop step response data. Based on this model, the robust predictive PI control law is derived based on the minimization of a generalized predictive performance criterion. Stability Robustness of the overall system is studied in some detail. A real‐time robust predictive PI control algorithm is implemented utilizing a digital signal processor (DSP) TMS320F243 from Texas Instruments. Simulation and experimental results show that the proposed robust predictive control method is capable of giving satisfactory performance under set‐point changes and load changes.
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