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Achieving Robustness of Nonlinear Control Systems

Main contribution of this research is the suggested method of Advanced D-Partitioning as a user friendly stability analysis tool. It is designed as a universal interactive procedure that can be applied to linear, digital and nonlinear control systems with variable parameters. The innovation is in terms of results that represent a transparent picture of stability […]

ISBN: 978-9975-153-75-5

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Authors

ISBN

978-9975-153-75-5

Language

Number of pages

63

Publication date

2020

Description

Main contribution of this research is the suggested method of Advanced D-Partitioning as a user friendly stability analysis tool. It is designed as a universal interactive procedure that can be applied to linear, digital and nonlinear control systems with variable parameters. The innovation is in terms of results that represent a transparent picture of stability regions in the parameter space and the way the dimensions of these regions are affected by the variation and interaction of the system’s parameters. Further contribution of this research is the suggested method for design of a universal robust controller, achieved by applying forward-series compensation with two degrees of freedom. The controller can suppress the influence of parameters variations, disturbances and noise and is effectively applied to complex linear, digital and nonlinear control systems. Innovation is demonstrated in the unique property of the designed robust controller that can operate effectively for variations of any one of the system’s parameters within prescribed limits and rejects the impact of the simultaneous parameters uncertainties.