Hyperlane Design for Discrete Variable Structure Control with Loop Transfer Recovery

Abstract

Practical digital control systems often include a variety of undesirabl effects including sampling time issues, parameter variations and exogenous disturbance. There exist many powerful modern control theories and subsequent tools for controller development which address these and other issues by guarantying stability by design in some sense based on tunable parameters. Seemingly, one inherent quality of these techniques is the tuning procedure becomes tedious and time consuming to obtain a desired level of performance. This paper presents a method of combining the ideas of loop transfer recovery (LTR) with observer based discrete variable structure control (OBDVSC) in an effort to retain design freedoms of LTR and robustness properties of OBDVSC ultimately yielding an easily tuned practical compensator.