Performance Analysis of Random Dither Quantizers in Feedback Control Systems
Ryosuke Morita, Shun‐ichi Azuma, Toshiharu Sugie · SICE Journal of Control Measurement and System Integration · 2013
This paper analyzes the performance of the random dither quantizers from the viewpoint of feedback control. In particular, it focuses here on the uniform random dither quantizers, which quantize signals by using an artificially introduced random signal on a uniform distribution. First, an upper bound of the performance is derived, which enables us to easily estimate the performance of the random dither quantizers. Next, the relation between the performance and the sampling period is clarified. Furthermore, the former theoretical result is demonstrated by an experiment using an inverted pendulum system.