High-speed digital controllers using an 8 bit microprocessor
作者:
R.M.Goodall,
D.S.Brown,
期刊:
Software & Microsystems
(IET Available online 1985)
卷期:
Volume 4,
issue 5-6
页码: 109-116
年代: 1985
DOI:10.1049/sm.1985.0028
出版商: IEE
数据来源: IET
摘要:
Structures and algorithms for implementation of digital filters are described which enable highperformance controllers using 8 bit microprocessors to be designed. Using these techniques a typical controller for an electromechanical system incorporating two feedback signals, a phase advance compensator, a notch filter and a proportional-plus-integral term can operate at up to 750 Hz sampling frequency. The paper summarises the development of the structure for the digital filters within the controller, describes the number format for the variables and coefficients, and outlines the software techniques employed to facilitate particular controller implementations.
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