Parameter Space Design of Control Systems using Interactive Computer Graphics

This paper presents contributions to computer-aided control system design in the parameter space approach. Newly developed modeling algorithms allow the use of three-dimensional interactive computer graphics as a powerful and very flexible tool for multivariable control system design. Robustness with respect to plant variation and sensor failures, actuator constraints, sensor noise and quantization effects in addition to specifications about stability, damping, and bandwidth are handled in a direct geometric way by working with admissible regions of several design parameters. An interactive CAD software package with these capabilities is discussed and several design examples demonstrate the potential and versatility of the method.