Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 39 for “"Gain Scheduling"”.
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Robust Controller Interpolation With Application to Gain-Scheduling
… and the framework is applied to optimize the gain-scheduled controller interpolation with respect to an Hinfinity norm.
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Gain scheduling for geometrically nonlinear flexible space structures
A gain-scheduling approach for the control of geometrically nonlinear structures is developed. The objective is to improve performance over current linear design techniques that are applied to the same control problem. The approach is applicable to a variety of structures that have complex dynamics …
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Improvement of semi-active control suspensions based on gain-scheduling control
… for a semi-active suspension controller using a gain-scheduling structure controller. The aim of the study is to overcome the constraints of conventional control strategies and improve semi-active suspension to achieve performance close to that of full active control. Various control strategies …
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ROBUST CONTROL OF AN EVTOL THROUGH TRANSITION WITH A GAIN SCHEDULING LQR CONTROLLER
… strategy using the transition dynamics in a gain scheduling LQR attitude controller to robustly control the vehicle at any point throughout transition. The proposed control strategy is tested through implementation in nonlinear 3DOF and 6DOF simulations. The robustness of the controller is …
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Adaptive control design with guaranteed margins for nonlinear plants
… augmentation of adaptive control with a nominal gain-scheduling controller. Though adaptive controllers have been employed with gain-scheduling to various applications, no formal stability analysis has been developed. In the proposed architecture, adaptive control is combined with gain-scheduling …
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On Size and Control: The Use of Dimensional Analysis in Controller Design
… of the sensitivity result to problems of gain-scheduling, model reduction, adaptive control and identification, and nonlinear systems analysis are presented.
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Optimal adaptive control with ΘLQG
… can also be used in disturbance rejection, gain scheduling and reference tracking. Specific case examples are introduced.
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Design and application of advanced control methods to gas turbines and networked systems
… range. Several nonlinear control methods, gain-scheduling PID controller, approximate model predictive control (AMPC) and nonlinear model predictive control (NMPC), are presented along with the corresponding control algorithms. Since the parameters in a gain-scheduling PID controller change …
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Control of nonlinear systems using Sugeno fuzzy approximators
… on known dynamic is considered first. A fuzzy gain scheduling approach is developed. The proposed approach is based on quasi-linear dynamic models of the plant. Classical optimal controllers for each set of operating conditions were developed. These controllers are used to construct a single …
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Control of Gantry and Tower Cranes
… on two approaches. In the first approach, a gain-scheduling feedback controller is designed to move the load from point to point within one oscillation cycle without inducing large swings. The settling time of the system is taken to be equal to the period of oscillation of the load. This …
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Dsp Implementation Of Dc Voltage Regulation Using Adaptive Control For 200 Kw 62000 Rpm Induction Generator
… has been implemented using PI controller. A gain scheduling control algorithm has been developed to select the appropriate controller gains with respect to the generator load. Further, a relationship between the generator loads and the controller gains has been established. This relationship …
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Numerical simulation and control of a fluid structure interaction for a plate in a transverse flow
… intermediary flow/structure model, similar to a gain scheduling model, instead of the full simulation.
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The dynamic modelling and development of a controller for a general purpose remotely operated underwater vehicle
… in Simulink® in an open-loop configuration to gain insight into the expected motion from the vehicle. Controllers for depth and heading holding are designed using standard PID linearized control methods with gain scheduling and are then assessed within the complete system in a simulation …
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Model-following control applications to nonlinear mechanical systems
… control law does not require any explicit gain scheduling, but instead, requires estimates of the stability and control derivatives. A method is proposed to compensate for actuator dynamics. The control law is then verified by simulating some maneuvers on the aircraft model provided for the …
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Study of Autonomous Capture and Detumble of Non-Cooperative Target by a Free-Flying Space Manipulator Using an Air-Bearing Platform
… implemented. Fuzzy logic was used to perform gain scheduling on the PD controller to improve its performance.
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The field oriented control of a permanent magnet synchrounous motor (PMSM) by using fuzzy logic
… proper performance, the limits of the controller gains and the rate at which they would change have to be appropriately chosen. Fuzzy based gain scheduling of PI controller has been proposed in which uses in order to overcome the PI speed controller problem. The simulation results show that the …
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Robust controller design for active trailer steering systems of articulated vehicles using multi-objective optimization
… the robust ATS controller, a series of optimal gain values can be obtained in a single run. This allows for posteriori decision making along with flexibility to select appropriate gain for different operating conditions. The algorithm creates Pareto optimal gain values for various speeds, …
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Advanced active rectifiers for electric vehicle battery charging
… This serves as a tool to help new researchers gain familiarity with topics related to active rectification such as common topologies and control methods. The third section explores zero crossing current error reduction in single phase full bridge rectifiers in addition to digital current …
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Modeling and Control of an Active Dihedral Fixed-Wing Unmanned Aircraft
… gust model and a continuous gust model, and a gain scheduled LQR controller was implemented to show the benefits of gain scheduling with a parameter varying state and input model. Finally, a cost analysis was conducted to investigate the real-world benefit of altering the dihedral breakpoint …
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Convex Modeling Techniques for Aircraft Control
… have been developed beyond the traditional gain-scheduling approach. One such design method leads to a linear parameter varying (LPV) controller that changes based on the real-time variation of system dynamics. Before such a controller can be designed, the system has to also be represented …
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