Integrated Communication and Control Systems: Part III—Nonidentical Sensor and Controller Sampling

[+] Author and Article Information
Luen-Woei Liou, A. Ray

Mechanical Engineering Department, The Pennsylvania State University, University Park, PA 16802

J. Dyn. Sys., Meas., Control 112(3), 357-364 (Sep 01, 1990) (8 pages) doi:10.1115/1.2896152 History: Received May 01, 1988; Online March 17, 2008


Networking in Integrated Communication and Control Systems (ICCS) introduces randomly varying delays which degrade the system dynamic performance and are a source of potential instability. In Part I [1] of this sequence of papers we developed a discrete-time, finite-dimensional model of the delayed control system for analysis and design of ICCS where the sensor and controller have identical sampling rates. In Part II [2] we proposed two alternative approaches for ICCS design, namely, identical and nonidentical sampling rates for sensor and controller. This Part III presents extended modeling of ICCS for nonidentical sensor and controller sampling rates. This model is also suitable for analyzing tracking problems, i.e., control systems with time-dependent reference inputs.

Copyright © 1990 by The American Society of Mechanical Engineers
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