Robust Control of Nonlinear Systems

Lin, Feng

doi:10.1002/9780470059579.ch6

Cited by 13 publications

References 41 publications

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Nonlinear robust‐optimal control of boost converter in photovoltaic applications

Amirparast

Gholizade‐Narm

2020

Adv Control Appl

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The negative aspects of overusing fossil fuels for producing electricity attract the attention of engineers society to use renewable energies. Power electronic converters play an important role in the transmission and usage of renewable energy in the industry. Boost converters are a major part of devices in which convert renewable energies into usable energy for various industries or appliances. In this article, to control a boost converter with parametric uncertainty, a new robust‐optimal controller is designed. The proposed control method is designed based on merging two conventional control theory: the robust control theory and linear quadratic regulator technique. This method consists of two nested loops. The inner loop composed of a state feedback controller which works as active damping to improve the transient state. The outer loop consists of a PI controller to track the desired voltage and reject disturbance. The coefficients of both controllers are computed by a robust‐optimal control technique. To evaluate the proposed control method, a well‐tuned single‐loop PI controller and a quantitative feedback theory based PID controller are compared with the proposed method. As shown by simulations, the proposed method has a more reliable performance in dealing with parameters uncertainties such as load changes and input voltage drops.

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Nonlinear robust‐optimal control of boost converter in photovoltaic applications

Amirparast

Gholizade‐Narm

2020

Adv Control Appl

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Block Backstepping for Nonlinear Flight Control Law Design

Robinson

Lecture Notes in Control and Information Sciences

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Summary. In this chapter we describe the block backstepping approach to flight control law design. Block backstepping is a Lyapunov based technique for controller design which is particularly well suited to the rigid body control problem where the main means of control is through the moments, which is the case in most aircraft. The resulting controller has semi-global (in the state space) stabilising properties and has a moderate number of parameters that can be used for tuning. We illustrate the theory by simulations of the ADMIRE model with a block backstepping controller in demanding manoeuvres such as high-alpha flight and high-rate velocity vector rolls.

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Robust stabilization for a class of nonlinear systems

Cai

Lin

2008

2008 Chinese Control and Decision Conference

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Robust Control of Nonlinear Systems

Cited by 13 publications

References 41 publications

Nonlinear robust‐optimal control of boost converter in photovoltaic applications

Nonlinear robust‐optimal control of boost converter in photovoltaic applications

Block Backstepping for Nonlinear Flight Control Law Design

Robust stabilization for a class of nonlinear systems

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