Title :
Instabilities caused by floating-point arithmetic quantization
Author :
Phillips, Charles L.
Author_Institution :
Auburn University, Auburn, AL, USA
fDate :
4/1/1972 12:00:00 AM
Abstract :
It is shown that an otherwise stable digital control system may become unstable due to signal quantization if the controller operates on floating-point arithmetic. Sufficient conditions for instability are developed.
Keywords :
Finite-wordlength effects; Floating-point arithmetic; Linear systems, time-varying discrete-time; Stability; Contracts; Control systems; Digital arithmetic; Digital control; Floating-point arithmetic; Quantization; Stability;
Journal_Title :
Automatic Control, IEEE Transactions on
DOI :
10.1109/TAC.1972.1099937
