Distributed arithmetic implementation of multivariable controllers using field programmable gate arrays

Lingfeng Yuan; Sridhar Sana; Hardy Joseph Pottinger; Vittal S. Rao

doi:10.1117/12.354276

20 July 1999 Distributed arithmetic implementation of multivariable controllers using field programmable gate arrays

Lingfeng Yuan, Sridhar Sana, Hardy Joseph Pottinger, Vittal S. Rao

Proceedings Volume 3673, Smart Structures and Materials 1999: Smart Electronics and MEMS; (1999) https://doi.org/10.1117/12.354276
Event: 1999 Symposium on Smart Structures and Materials, 1999, Newport Beach, CA, United States

Abstract

Smart structural systems require the electronic control systems which are integrated into the structures to be small, light weight and power-efficient. The Field Programmable Gate Array (FPGA) is a good platform to implement such controllers. In our previous work FPGA-based digital controllers were built and tested on a cantilevered beam. In order to implement multivariable controllers, the hardware resources for FPGA-based architecture need to be further reduced. Distributed Arithmetic (DA) has long been proven to be a very efficient means to mechanize computations that are dominated by inner products involving constant multiplicand. The computational requirements of the smart structural controllers match this type very well. In this paper various DA structure controllers are designed and results are compared with multiply-and-accumulate structure controllers. Single- and multi-variable controllers are implemented and tested on a cantilevered beam.

Citation Download Citation

Lingfeng Yuan, Sridhar Sana, Hardy Joseph Pottinger, and Vittal S. Rao "Distributed arithmetic implementation of multivariable controllers using field programmable gate arrays", Proc. SPIE 3673, Smart Structures and Materials 1999: Smart Electronics and MEMS, (20 July 1999); https://doi.org/10.1117/12.354276

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