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A high-performance processor for embedded real-time control

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4 Author(s)
Cumplido, R. ; Dept. of Electron. & Electr. Eng., Loughborough Univ., UK ; Jones, S. ; Goodall, R.M. ; Bateman, S.

This brief reports on an algorithm and corresponding processor architecture for the construction of high-performance processors targeted at linear time invariant (LTI) control. The overall approach involves reformulating the controller into a particular discrete state-space representation, which is optimized for numerical efficiency using the δ operator, then programming this into a specially-designed control system processor (CSP) implemented using a "programmable ASIC" device. This architecture presents large cost and performance benefits for control applications over traditional architectures, particularly for large multiple-input-multiple-output (MIMO) controllers. Results of implementing control of the vertical modes of a Maglev vehicle are presented and compared with implementations using commercial processors.

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Control Systems Technology, IEEE Transactions on  (Volume:13 ,  Issue: 3 )