Journal ArticleDOI
A loop-shaping design procedure using H/sub infinity / synthesis
Duncan McFarlane,Keith Glover +1 more
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In this article, a design procedure is introduced which incorporates loop shaping methods to obtain performance/robust stability tradeoffs, and a particular H/sub infinity / optimization problem to guarantee closed-loop stability and a level of robust stability at all frequencies.Abstract:
A design procedure is introduced which incorporates loop shaping methods to obtain performance/robust stability tradeoffs, and a particular H/sub infinity / optimization problem to guarantee closed-loop stability and a level of robust stability at all frequencies. Theoretical justification of this technique is given, and the effect of loop shaping on closed-loop behavior is examined. The procedure is illustrated in a controller design for a flexible space platform. >read more
Citations
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H1 control and anti-windup compensation of the nonlinear alstom gasifier model
TL;DR: In this article, the authors describe the application of H1 based optimisation to the design of a controller for the ALSTOM gasier benchmark problem, which takes the form of two parts - a H1 loopshaping controller, and a H 1 optimised anti-windup compensator, with a combined (reduced) order of 18 states.
Dissertation
Optimisation of time domain controllers for supply ships using genetic algorithms and genetic programming
Alfaro Cid,María Eva +1 more
TL;DR: In this article, the use of genetic methods for the optimisation of propulsion and heading controllers for marine vessels is presented in the context of a ship's propulsion and navigation system, where a variety of genetic operators are introduced and a comparison study is conducted to find the genetic algorithm scheme best suited to the parameter controller optimisation problem.
Journal ArticleDOI
Modelling and robust control of an unmanned coaxial rotor helicopter with unstructured uncertainties
TL;DR: Simulation results show the effectiveness of the proposed controller design in the step response of the closed loop, and the tolerant size of unstructured uncertainty is up to 36.09%.
Journal ArticleDOI
Robust linear parameter varying induction motor control with polytopic models
TL;DR: In this article, a robust controller for an induction motor which is represented as a linear parameter varying systems is presented, where linear matrix inequality (LMI) based approach and robust Lyapunov feedback controller are associated.
Journal ArticleDOI
Robust feedforward design for a two-degrees of freedom controller
TL;DR: This work designs the feedforward block of a two degrees of freedom controller in the case of single input single output (SISO) discrete-time linear systems with model uncertainty as a robust model matching problem.
References
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Book
Linear Optimal Control Systems
Huibert Kwakernaak,Raphael Sivan +1 more
TL;DR: In this article, the authors provide an excellent introduction to feedback control system design, including a theoretical approach that captures the essential issues and can be applied to a wide range of practical problems.
Journal ArticleDOI
Multivariable feedback design: Concepts for a classical/modern synthesis
John Doyle,Gunter Stein +1 more
TL;DR: This paper presents a practical design perspective on multivariable feedback control problems and generalizes known single-input, single-output (SISO) statements and constraints of the design problem to multiinput, multioutput (MIMO) cases.
Journal ArticleDOI
Feedback and optimal sensitivity: Model reference transformations, multiplicative seminorms, and approximate inverses
TL;DR: In this article, the problem of sensitivity reduction by feedback is formulated as an optimization problem and separated from the problems of stabilization, and the feedback schemes obtainable from a given plant are parameterized.
Analysis of feedback systems with structured uncertainties
TL;DR: In this article, a general approach for analysing linear systems with structured uncertainty based on a new generalised spectral theory for matrices is introduced, which naturally extend techniques based on singular values and eliminate their most serious difficulties.
Book
Multivariable Feedback Design
TL;DR: In this article, a comprehensive and unified view of modern multivariate feedback theory and design is presented, where balancing techniques with theory, the objective throughout is to enable the feedback engineer to design real systems.