Conferences related to Windup

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2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)

Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies


2020 59th IEEE Conference on Decision and Control (CDC)

The CDC is the premier conference dedicated to the advancement of the theory and practice of systems and control. The CDC annually brings together an international community of researchers and practitioners in the field of automatic control to discuss new research results, perspectives on future developments, and innovative applications relevant to decision making, automatic control, and related areas.


2020 IEEE Applied Power Electronics Conference and Exposition (APEC)

APEC focuses on the practical and applied aspects of the power electronics business. Not just a power designer’s conference, APEC has something of interest for anyone involved in power electronics including:- Equipment OEMs that use power supplies and converters in their equipment- Designers of power supplies, dc-dc converters, motor drives, uninterruptable power supplies, inverters and any other power electronic circuits, equipments and systems- Manufacturers and suppliers of components and assemblies used in power electronics- Manufacturing, quality and test engineers involved with power electronics equipment- Marketing, sales and anyone involved in the business of power electronic- Compliance engineers testing and qualifying power electronics equipment or equipment that uses power electronics


IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society

IECON is focusing on industrial and manufacturing theory and applications of electronics, controls, communications, instrumentation and computational intelligence.


2019 IEEE 15th International Conference on Automation Science and Engineering (CASE)

The conference is the primary forum for cross-industry and multidisciplinary research in automation. Its goal is to provide a broad coverage and dissemination of foundational research in automation among researchers, academics, and practitioners.


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Periodicals related to Windup

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Automatic Control, IEEE Transactions on

The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Circuits and Systems I: Regular Papers, IEEE Transactions on

Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.


Control Systems Technology, IEEE Transactions on

Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.


Fuzzy Systems, IEEE Transactions on

Theory and application of fuzzy systems with emphasis on engineering systems and scientific applications. (6) (IEEE Guide for Authors) Representative applications areas include:fuzzy estimation, prediction and control; approximate reasoning; intelligent systems design; machine learning; image processing and machine vision;pattern recognition, fuzzy neurocomputing; electronic and photonic implementation; medical computing applications; robotics and motion control; constraint propagation and optimization; civil, chemical and ...


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Most published Xplore authors for Windup

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Xplore Articles related to Windup

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Robust control of plants with saturation nonlinearity based on coprime factor representations

Proceedings of 35th IEEE Conference on Decision and Control, 1996

We consider the robust control of plants with saturation nonlinearities from an input/output viewpoint. First, we present a parameterization for anti- windup control based on coprime factorizations of the controller. Second, we propose a synthesis method which exploits the freedom to choose a particular coprime factorization.


Anti-windup compensator for nonlinear model predictive control

The 2012 International Conference on Advanced Mechatronic Systems, 2012

Actuators in control systems have several limitations in mechanically and electrically, and these limitations cause instability and degradation of a controlled performance. In this study, we treat an anti-windup problem of tracking controller for nonlinear 2-link manipulator using a nonlinear model predictive control (NMPC). Proposed method is designed with focusing to a relationship between maximum values of control inputs and ...


High speed positioning system considering unknown coulomb friction and windup phenomenon

IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468), 2003

In a conventional positioning system, when the position error becomes small, the motor cannot obtain enough deceleration torque. Hence, the position response becomes slow. There is also another positioning system that is to design a position reference from trapezoidal speed reference. This positioning system is valid when load torque and the final goal position are given. However, if the load ...


A SIMULINK package for comparative studies of PID anti-windup strategies

Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD), 1994

The paper describes software developed in SIMULINK which enables the behaviour of feedback control systems with actuator saturation and PID controllers to be calculated. The software which is part command and part menu driven allows a choice of four PID controllers using different integral wind-up prevention strategies and transfer function entry of the actuator and plant dynamics.<<ETX>>


Vibration suppression compensator using nonlinear observer for table positioning systems

2013 10th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI), 2013

To achieve high-speed, high-precision position control for semiconductor product machines and industrial robots, full-closed feedback control is applied. Many control methods have been proposed for such a system. In general, proportional position control and proportional plus integral velocity control or integral plus proportional velocity control (P, PI/I-P), which is a type of proportional plus integral plus deferential control (PID), is ...


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IEEE-USA E-Books

  • Robust control of plants with saturation nonlinearity based on coprime factor representations

    We consider the robust control of plants with saturation nonlinearities from an input/output viewpoint. First, we present a parameterization for anti- windup control based on coprime factorizations of the controller. Second, we propose a synthesis method which exploits the freedom to choose a particular coprime factorization.

  • Anti-windup compensator for nonlinear model predictive control

    Actuators in control systems have several limitations in mechanically and electrically, and these limitations cause instability and degradation of a controlled performance. In this study, we treat an anti-windup problem of tracking controller for nonlinear 2-link manipulator using a nonlinear model predictive control (NMPC). Proposed method is designed with focusing to a relationship between maximum values of control inputs and a time-constant of a reference trajectory, which is one of tuning parameters of NMPC. In order to achieve a tracking control of a 2-link manipulator with keeping the control input under a limitation of it, the time constant of a reference trajectory in proposed new NMPC is tuned based on limitation of control inputs. At first, we analyze the relationship between time constant of the reference trajectory and the maximum values of the control input by numerical simulations using MATLAB/Simulink. And next, an algorithm to tune the time-constant of the reference trajectory according to input limitation is designed based on analysis results. In order to show an effectiveness of proposed anti-windup compensator, numerical simulations of tracking control of the two-link nonlinear manipulator with input limitations are performed.

  • High speed positioning system considering unknown coulomb friction and windup phenomenon

    In a conventional positioning system, when the position error becomes small, the motor cannot obtain enough deceleration torque. Hence, the position response becomes slow. There is also another positioning system that is to design a position reference from trapezoidal speed reference. This positioning system is valid when load torque and the final goal position are given. However, if the load torque and the final goal vary, its position response cannot have the desired response. In order to overcome these problems, this paper proposes a new high speed positioning system of AC servo motor considering unknown coulomb friction and windup phenomenon. The proposed always uses the maximum acceleration or deceleration torque and the maximum speed.

  • A SIMULINK package for comparative studies of PID anti-windup strategies

    The paper describes software developed in SIMULINK which enables the behaviour of feedback control systems with actuator saturation and PID controllers to be calculated. The software which is part command and part menu driven allows a choice of four PID controllers using different integral wind-up prevention strategies and transfer function entry of the actuator and plant dynamics.<<ETX>>

  • Vibration suppression compensator using nonlinear observer for table positioning systems

    To achieve high-speed, high-precision position control for semiconductor product machines and industrial robots, full-closed feedback control is applied. Many control methods have been proposed for such a system. In general, proportional position control and proportional plus integral velocity control or integral plus proportional velocity control (P, PI/I-P), which is a type of proportional plus integral plus deferential control (PID), is applied in many industrial applications. However, in the case of changing mechanical characteristics of the control target, the parameters of P, PI/I-PI control must also change or a disturbance observer is applied, to maintain good motion performance. In this paper, we propose a nonlinear observer to suppress the vibration for a table positioning system. The algorithm of the nonlinear observer is based on sliding mode control with chattering compensation. The effectiveness of the proposed observer is evaluated using a full-closed 2mass system model via point-to-point control in the case of changing load. The simulations and experiments indicate that the proposed observer is effective for vibration suppression in the case of changing load.

  • Digital Anti-Windup PI Controllers for Variable-Speed Motor Drives Using FPGA and Stochastic Theory

    The windup phenomenon occurs when the output of a proportional-integral (PI) controller is saturated, which results in performance degradation or even instability. In this letter, three new anti-windup algorithms are proposed for a digital PI-speed controller to improve the control performance of variable- speed motor drives. These designs are implemented in a field programmable gate array (FPGA) device and stochastic theory is employed to enhance the computational capability of FPGA. Compared with conventional digital anti- windup techniques, the proposed methods offer several advantages: large dynamic range, easy digital design, minimal scaling of digital circuits, reconfigurability, and direct hardware implementation, while maintaining high control performance. The developed controllers are applied to the speed control of a field-oriented controlled induction motor drive using a hardware- in-the-loop test bench. The improved speed responses confirm the effectiveness of the proposed anti-windup schemes

  • An optimization approach to nonlinear control of input-constrained systems

    None

  • Anti-windup adaptive PID control for a magnetic levitation system with a PFC based on time-varying ASPR model

    In this paper, we consider applying the ASPR based adaptive PID scheme to a magnetic levitation system with input saturation. A strategy which alleviates the windup phenomena on the ASPR based adaptive PID control system will be proposed. Unlike the common anti-windup control strategies, we will provide a novel time varying PFC design scheme so as to realize an anti-windup adaptive PID control system for the magnetic levitation system.

  • Electrolytic cleaning of rectifier tanks

    IN UNDERTAKING a general overhaul of a mercury arc rectifier at periodic intervals, the problem of interior cleaning of the tanks always has been a troublesome one. The tank in use usually has accumulated considerable contamination of loose material eroded from the elements of the rectifier. In addition to a dirty condition of the mercury pool, a quite hardened black slick scum may cover a large area of the tank walls. After removing all the interior parts, past practice has been either to sand-blast or wire-brush the tank walls and bottom in an effort to furnish a clean tank for the introduction of the new mercury needed for further operation.

  • On hazards of using fundamental anti-windup technique for H<inf>2</inf> state-space controllers with an explicit observer

    This paper considers H2 controllers implemented using an explicit observer for systems subjected to input magnitude saturation. It is stressed that the approach of only focusing on controller windup, by using fundamental observer anti-windup technique where the observer is fed by the saturated control signal, could imply severely deteriorated closed-loop characteristics and even sustained oscillations.



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