Operator-Based Nonlinear Control Systems: Design and by Mingcong Deng

By Mingcong Deng

Enables readers to grasp and observe the operator-theoretic approach

Control of nonlinear structures is a multidisciplinary box concerning electric engineering, machine technology, and keep watch over engineering. particularly, this publication addresses doubtful nonlinearity. starting with how actual vegetation are modeled as operator-based vegetation, the writer develops a scientific technique that allows readers to appreciate a quantitative balance consequence, a severe consider any nonlinear keep an eye on system's balance and performance.

Operator-Based Nonlinear regulate structures: layout and Applications specializes in the operator-theoretic technique, delivering distinctive examples on how you can use it on community managed platforms. as well as present examine effects, the writer explores destiny examine instructions and purposes of the operator-theoretic technique. The booklet starts off with an creation that defines nonlinear platforms. subsequent, it covers:

  • Robust correct coprime factorization for nonlinear crops with uncertainties
  • Robust balance of operator-based nonlinear regulate systems
  • Tracking matters and fault detection matters in nonlinear regulate systems
  • Operator-based nonlinear keep an eye on platforms with clever actuators
  • Nonlinear suggestions keep an eye on for large-scale structures utilizing a disbursed keep an eye on approach device

Throughout the booklet, discussions of tangible purposes support readers know the way the operator-theoretic technique works in practice.

Operator-Based Nonlinear regulate structures is advised for college kids and pros up to speed concept engineering and utilized arithmetic. operating with this expertly written and arranged booklet, they're going to the way to receive strong correct coprime factorization for modeled crops. furthermore, they're going to realize state-of-the-technology study effects on strong balance stipulations in addition to the newest approach output monitoring and fault detection concerns which are difficult modern-day researchers.

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Additional resources for Operator-Based Nonlinear Control Systems: Design and Applications

Example text

Output, quasi-state, and plant output are all stable, where the reference output is r (t) = 2 + e−t , η(t) = e−10t ∗ σ (t), and σ (t) is a function that generates random noise between 0 and 1. 14, we can find that the nonlinear feedback control system is guaranteed to be passive by the robust control scheme. 14. The robust control problem for a nonlinear feedback control system with unknown perturbations is discussed here using operator-based robust right coprime factorization and the passivity property.

9) is satisfied. 12. 13. 12, there is a large perturbation when the time is 15 sec. 13). This example does not show a sufficient tracking performance when perturbations vary quickly because of the effect of the integration in the loop. However, the desired tracking result has been obtained when t is large enough. 12 10 15 20 Time (sec) Perturbation 25 N of the plant. 13 Simulation result of plant output signal y and real reference signal r for plant with perturbation. 1 Introduction In applying the control scheme to real plants in industry, the control systems must deal with some constraints in variables such as the pressure and temperature limit, and the control system must also avoid the unsafe operating regimes in [23].

Also, the method in [21] is difficult to use for the case in this chapter, because the method requires a detailed information of N . We now illustrate the design scheme developed and analyzed above through several simulations. 5 Step response of nonlinear plant P. Here we assume that the random values are unknown but the upper and lower bounds of the values are known. 5. It is clear that the plant operator P is unstable and P + P is as well. 22) where h(t) = e− 3 w 3 (t) and I (·) is an identity operator on U .

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