Aircraft engine decentralized tracking control: A new LMI approach

Abstract A new control scheme is proposed for aircraft engines, where the object is to transfer a regulated output (called main output) between two set-points, with the additional requirement that a set of outputs (called auxiliary outputs) remains within prescribed ranges. According to the prior outcomes, no assurance exists to protect output limits in transient regime by use of a traditional min-max scheme with linear compensators. To achieve a satisfied control performance for a corresponding output, each limitation loop is design separately. However, some auxiliary outputs still exceed their limits when other loop regulators are active or overshoot occurs. To overcome this problem, a linear matrix inequalities (LMI) approach is developed by considering the limit values in regulator design of other loops and the condition for no overshoot of auxiliary outputs. Finally, practical applicability is further demonstrated by numerical simulation. The results show that the designed controller can achieve a satisfactory dynamic and steady performance and keep the auxiliary outputs within constraints.

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A LMI Approach to Tracking Control of Nonlinear Polynomial Systems

International Review of Automatic Control (IREACO) ◽

10.15866/ireaco.v8i3.6294 ◽

2015 ◽

Vol 8 (3) ◽

pp. 233

Author(s):

Khalil Jouili ◽

Naceur Benhadj Braiek

Keyword(s):

Tracking Control ◽

Polynomial Systems ◽

Lmi Approach

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H-infinite output tracking control for neutral systems with time-varying delay and nonlinear perturbations: An LMI approach

2011 Chinese Control and Decision Conference (CCDC) ◽

10.1109/ccdc.2011.5968241 ◽

2011 ◽

Cited By ~ 1

Author(s):

Guang-Xin Zhong ◽

Zhao-Di Xu ◽

He-Ming Wang

Keyword(s):

Tracking Control ◽

Time Varying ◽

Nonlinear Perturbations ◽

Neutral Systems ◽

Lmi Approach ◽

Time Varying Delay ◽

Output Tracking ◽

Output Tracking Control ◽

Varying Delay

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Trajectory Tracking with Input Constraint based on LMI Approach of a Nonholonomic Mobile Robot

JAREE (Journal on Advanced Research in Electrical Engineering) ◽

10.12962/jaree.v5i1.193 ◽

2021 ◽

Vol 5 (1) ◽

Author(s):

Auliya Nabila ◽

Trihastuti Agustinah

Keyword(s):

Mobile Robot ◽

Tracking Control ◽

State Feedback ◽

Reference Trajectory ◽

Input Constraint ◽

Lmi Approach ◽

Nonholonomic Mobile Robot ◽

Mode Of Transportation ◽

Simulation Results ◽

Reference Trajectories

Nonholonomic Mobile Robot (NMR) is a mode of transportation that is widely used in industry. To achieve flexibility in carrying out its duties, an adequate control system is needed in transportation arrangements so that it is used as an object of research. The problem that is taken in this study is about tracking control for several reference trajectories with input constraint.To solve this problem two controllers were designed, kinematics controller and dynamics controller. Kinematics controller is designed so that the additional speed converges to the desired speed by adjusting the gain value , , and . Dynamic controller is designed using performance to overcome the input constraint and the Lyapunoc inequality is soleved by Linear Matric Inequalities (LMI) so the gain state-feedback can be obtained. Simulation results show that the designed controller is capable of tracking according to the reference trajectory with input constraint given.

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