Download Optimal and robust control : advanced topics with MATLAB́ by Luigi Fortuna, Mattia Frasca PDF

By Luigi Fortuna, Mattia Frasca

While there are lots of books on complex regulate for experts, there are few that current those subject matters for nonspecialists. Assuming just a uncomplicated wisdom of automated keep watch over and signs and platforms, Optimal and strong keep watch over: complex issues with MATLAB® bargains an easy, self-contained instruction manual of complex subject matters and instruments in computerized control.

Techniques for Controlling procedure functionality within the Presence of Uncertainty

The e-book bargains with complex automated keep an eye on options, paying specific awareness to robustness―the skill to assure balance within the presence of uncertainty. It explains complicated innovations for dealing with uncertainty and optimizing the regulate loop. It additionally info analytical innovations for acquiring lowered order types. The authors then suggest utilizing the Linear Matrix Inequalities (LMI) approach as a unifying instrument to unravel many sorts of complicated keep an eye on problems.

Topics coated include:

  • LQR and H-infinity approaches
  • Kalman and singular worth decomposition
  • Open-loop balancing and decreased order models
  • Closed-loop balancing
  • Passive structures and bounded-real systems
  • Criteria for balance control

This easy-to-read textual content offers the basic theoretical history and gives a variety of examples and MATLAB routines to aid the reader successfully gather new abilities. Written for electric, digital, desktop technology, area, and automation engineers drawn to automated keep an eye on, this e-book can be used for self-study or for a one-semester direction in powerful control.

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Extra resources for Optimal and robust control : advanced topics with MATLAB́

Sample text

4980 Verify that matrix P solves the problem >> A’*P+P*A    .  MATLAB can solve Lyapunov equations more efficiently with the lyap command. 8902i). 5 Stability with uncertainty Concluding this chapter is a brief digression on stability with uncertainty. We will confine ourselves to presenting one key finding for the stability of systems with parametric uncertainty. Let D(s) be the characteristic polynomial of a linear time-invariant system. Suppose the uncertainty of the system can be expressed in terms of variation ranges of coefficients of polynomial D(s) = an sn + an−1 sn−1 + .

The columns of U and V are called left-singular and right-singular vectors. Singular value decomposition can also be applied when matrix A is complex. In this case, instead of the transpose matrix, the conjugate transpose has to be considered. Even here, the singular values are always real and nonnegative. An example of a complex matrix is the transfer matrix G(s) = C(sI − A)−1 B. The restriction of G(s) to s = jω, G(jω), is a complex matrix as ω varies. Later on, the importance of singular values of matrix G(jω) will be discussed.

27 29 31 32 39 40 This chapter describes Kalman canonical decomposition, which highlights the state variables that do not affect the input/output properties of the system, but which nevertheless may be very important. This quite general discussion refers to continuous-time systems, so there is no distinction between the controllability properties and the reachability of the system. 1) recall that the transfer matrix of the system is given by G(s) = C(sI − A)−1 B, the controllability matrix Mc = B AB .

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