有限字长数字控制器的低复杂度优势

SICE 2001. Proceedings of the 40th SICE Annual Conference. International Session Papers (IEEE Cat. No.01TH8603) Pub Date : 2001-07-25 DOI:10.1109/SICE.2001.977823

C.A. Rabbath, N. Hori

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摘要

本文展示了某些低复杂度数字控制策略相对于导致更复杂控制系统的技术的主要优势;也就是说，当受到有限字长影响时，性能水平更高。示例演示了与高度复杂的控制律相关的性能限制，以及使用固定和浮点算术以及有限位数实现时使用适当选择的简单控制方案的好处。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Advantage of low complexity in digital controllers with finite wordlength

The paper shows the main advantage of certain low-complexity digital control strategies over techniques resulting in more complex control systems; that is, the superior level of performance when subjected to finite wordlength effects. Examples demonstrate the performance limitations associated with highly complex control laws and the benefits of using properly selected, simple control schemes when implemented with fixed- and floating-point arithmetic and restricted number of bits.

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SICE 2001. Proceedings of the 40th SICE Annual Conference. International Session Papers (IEEE Cat. No.01TH8603)

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