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1 August 1991 State equalization and resonant control systems
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Abstract
Stability and robustness in control systems are commonly achieved by designing signal compensators and filters composed of the system's passive parameters in analog or digital form. The passive compensators are generally used to frequency shape the active state variables in the control system. If wideband loops are required when the plant contains nonlinearities and high-order dynamics, the use of fixed frequency, passive parameter compensators to obtain stability may not be tractable. In such systems, however, control stability can be achieved by manipulating the active state variables themselves. This paper presents the general concepts of state equalization, a control system stabilization technique which utilizes the differing characteristics of the active state variables to achieve the desired stability in systems containing nonlinear resonant plants. The technique, conceived in the mid- seventies, is used in several fielded weapon system. One of the applications is used to illustrate the use and advantages of the state equalization technique.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
William J. Bigley "State equalization and resonant control systems", Proc. SPIE 1482, Acquisition, Tracking, and Pointing V, (1 August 1991); https://doi.org/10.1117/12.45710
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