Robust Tracking Controller Design for a Class of Block Lower‐Triangular Systems
Sign Up to like & getrecommendations! Published in 2019 at "Asian Journal of Control"
DOI: 10.1002/asjc.1784
Abstract: A class of multi‐input multi‐output (MIMO) block lower‐triangular systems are considered with the dynamic and static uncertainties related to the states of the former subsystems. A design procedure of robust tracking controller is presented, which… read more here.
Keywords: controller; block lower; robust tracking; triangular systems ... See more keywords
Vibration‐based motion generation without any sensor or microprocessor
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DOI: 10.1002/asjc.2374
Abstract: This article describes a decentralized controller that generates periodic motion patterns of general mechanical systems with multiple actuators, and its extremely simple implementation. The controller synchronizes the coupled dynamics of an uncertain body, the environment,… read more here.
Keywords: controller; motion; sensor microprocessor; without sensor ... See more keywords
Simplified adaptive backstepping excitation controller design for power systems
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DOI: 10.1002/asjc.3669
Abstract: This study introduces a simplified adaptive backstepping excitation control aimed at improving the transient stability of electric power systems. The controller addresses the challenges of simplifying adaptive backstepping control for multi‐machine systems. Unlike traditional backstepping,… read more here.
Keywords: adaptive backstepping; control; controller; backstepping ... See more keywords
Adaptive output feedback super‐twisting control of a gripper built with bimorph piezoelectric actuators
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DOI: 10.1002/asjc.3734
Abstract: This study introduces an adaptive output‐based controller for regulating the movement of a gripper actuated by bimorph piezoelectric actuators (BPZAs). The controller design incorporates the electromechanical characteristics of beam‐like BPZAs with uniform cross sections made… read more here.
Keywords: control; bimorph piezoelectric; controller; piezoelectric actuators ... See more keywords
Knowledge‐driven approximate model predictive controller with probabilistic performance validation
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DOI: 10.1002/asjc.3755
Abstract: The aim of approximate model predictive control (MPC) is to alleviate the computational cost by learning an explicit control policy using data generated from offline solutions to MPC problems. However, directly constructing a neural network… read more here.
Keywords: model predictive; control; controller; approximate model ... See more keywords
Cooperative control of multiple ball screws based on fractional‐order composite controller
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DOI: 10.1002/asjc.3823
Abstract: To address the problem of multi‐axis synchronous motion control, this paper establishes a dynamic model of a four‐axis ball screw press platform using the LuGre friction model, which effectively provides simulation verification for the controller.… read more here.
Keywords: ball; composite controller; fractional order; control ... See more keywords
Generalized super‐twisting sliding mode controller for DC‐DC buck converters based on a finite‐time extended state observer
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DOI: 10.1002/asjc.3872
Abstract: The control performance of active disturbance rejection controller for DC‐DC buck converters under disturbances can be improved through structural enhancements to both the observer and controller components. Therefore, this paper proposes a finite‐time extended state… read more here.
Keywords: finite time; controller; twisting sliding; super twisting ... See more keywords
Multivariable controller for a novel topology of double‐input converter applied in distributed hybrid photovoltaic/wind power system
Sign Up to like & getrecommendations! Published in 2017 at "International Transactions on Electrical Energy Systems"
DOI: 10.1002/etep.2261
Abstract: Regulating the voltage of distributed renewable power systems is a main technical problem of power system controllers. This paper proposes a new method to design the controller of double-input direct current–direct current converters which are… read more here.
Keywords: power system; double input; power; topology ... See more keywords
Mathematical modeling and control of DFIG‐based wind energy system by using optimized linear quadratic regulator weight matrices
Sign Up to like & getrecommendations! Published in 2017 at "International Transactions on Electrical Energy Systems"
DOI: 10.1002/etep.2416
Abstract: Summary This paper deals with a genetic algorithm (GA)–based linear quadratic regulator (LQR) controller to improve the dynamic response, stability, and robustness of the doubly fed induction generator (DFIG) system at various stator voltage disturbances.… read more here.
Keywords: dfig; system; linear quadratic; controller ... See more keywords
Research and development of smart irrigation in China *
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DOI: 10.1002/ird.2491
Abstract: Smart irrigation systems are the focus of modern agriculture and have many engineering applications in China, in a still growing trend. According to the communication mode between the irrigation controller and the on‐farm execute devices,… read more here.
Keywords: controller; irrigation controllers; irrigation; smart irrigation ... See more keywords
Nonlinear droop compensation for current waveforms in MRI gradient systems.
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DOI: 10.1002/mrm.29246
Abstract: PURPOSE Providing accurate gradient currents is challenging due to the gradient chain nonlinearities, arising from gradient power amplifiers and power supply stages. This work introduces a new characterization approach that takes the amplifier and power… read more here.
Keywords: controller; power supply; current waveforms; linear nonlinear ... See more keywords