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Asian control Conference

作者： R. Ghazali Y. M. Sam M. F. Rahmat C. C. Soon H. I. Jaafar Zulfatman Center for Robotics and Industrial Automation Faculty of Electrical Engineering Universiti Teknikal Malaysia Melaka Department of Control and Mechatronics Engineering Faculty of Electrical Engineering Universiti Teknologi Malaysia

ISBN: (纸本)9781479978632

The main objective of this paper is to perform a robust controller design using discrete-time sliding mode control (DSMC). In the control scheme, two-degree-of-freedom (2-DOF) control strategy turns the DSMC, which generally utilized state feedback into output feedback controller. The designed control scheme is considered with feedback and feedforward combination by implementing the zero phase error tracking control (ZPETC), which particularly intended for the nonminimum phase electro-hydraulic actuator (EHA) system application. In the experimental works, a sinusoidal trajectory with different frequencies is employed to assess the DSMC performance under nonlinear and uncertain condition. Experimental results show the DMSC with perfect tracking control approach is capable to reduce the phase lag occurred due to nonlinear phenomenon. The proposed controller also is highly robust under various points of trajectories and significantly shows enhancement in tracking control performance as compared to the conventional controllers.

关键词： Output feedback control Discrete sliding mode control Zero-phase-error-tracking control Electro-hydraulic actuator system

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Modelling and control of Raw Hide Desalting Process

Modelling and Control of Raw Hide Desalting Process

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2015 International Conference on Environmental Science and Energy engineering(ICESEE 2015)

作者： Vladimir VASEK Dagmar JANACOVA Karel KOLOMAZNIK Pavel MOKREJS Department of Automation and Control Engineering Faculty of Applied Informatics Faculty of Technology Tomas Bata University in Zlín

The contribution deals with optimizing of desalting process during soaking and application of automatic control via microcomputer technology in leather manufacturing industry on the base mathematics deterministic diffusion model describing desalting *** of raw hides comprises a series of particular processes through which raw hide is progressively transformed into the *** a combination of mathematical modelling and laboratory testing by automatic control system we search an optimal procedure for desalting with regard to ecological and economic *** this paper we describe testing of desalting in the flow systems with flow rate automatic *** obtained results confirm the elimination of concentration shocks which cause the collapse of the surface layer texture of cured hide.

关键词： Desalting Raw hide Tannery technology Mathematical model Measuring and control microcomputer system Simulation

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Holonic Simulation Model of a Modern District Heating System

Holonic Simulation Model of a Modern District Heating System

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2015 International Conference on Environmental Science and Energy engineering(ICESEE 2015)

作者： Lubomir VASEK Viliam DOLINAY Department of Automation and Control Engineering Faculty of Applied InformaticsTomas Bata University in Zlín

This paper deals with an idea of the simulation model of the district heating system which is based on Holonic *** concept which is in general useful for distributed systems seems to be suitable for the requirements of modern heating networks,referred as Smart Thermal *** intelligent thermal networks requires good class control system and communications *** heating network can be divided into autonomous elements,and for them it is possible to define the roles and relationships between *** is one of the fundamental prerequisites for creating a distributed system model or *** create and successfully manage such system has many advantages in comparison with centralized *** preparation of this task begins in analyses of the individual heating network elements in *** is followed by the definition of the hierarchy and mutual *** preparation of the holonic application has already been started for the key elements of the *** analysis focuses on the physical properties and the operating data of individual heat consumers and their connections to other components of the system.

关键词： District heating Holonic concept Heat distribution and consumption Smart thermal grid

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Three-dimensional Non-holonomic Integrator control Design Applied to Induction Motors

Three-dimensional Non-holonomic Integrator Control Design Ap...

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第27届中国控制与决策会议

作者： Boja Grcar Peter Cafuta Gorazd Stumberger Anton Hofer University of Maribor Faculty of Electrical Engineering and Computer Science TU Graz Institute for Control and Automation

ISBN: (纸本)9781479970186

In the contribution new results in a control design of a general three-dimensional non-holonomic integrator(NHI) including drift terms is *** global asymptotic stability(GAS) proposed non-linear controller assure also minimal input norm during transients and in steady states and high dynamic in output response for a piecewise constant reference *** to appropriate input modulation internal states follow natural periodic orbits necessary to fulfill non-holonomic *** a non-linear transformation that describe error dynamics feedback stability is proven by using Lyapunov *** value of the proposed design is illustrated on the example of induction machine torque control along with a simulation and experimental results.

关键词： Three-dimensional non-holonomic integrator,Drift,Non-linear control,Minimal input norm,Non-linear transformations,Global stability,Lyapunov function,Induction motors control

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Array P systems with parallel rewriting and tables of context-free rules

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Journal of Computational and Theoretical Nanoscience 2016年第6期13卷 3636-3642页

作者： Pan, Linqiang Song, Bosheng Isawasan, Pradeep Subramanian, K.G. School of Electric and Information Engineering Zhengzhou University of Light Industry Zhengzhou Henan450002 China Key Laboratory of Image Information Processing and Intelligent Control School of Automation Huazhong University of Science and Technology Wuhan Hubei430074 China 32 Jalan Anson Penang10400 Malaysia Department of Mathematics and Computer Science Faculty of Science Liverpool Hope University LiverpoolL16 9JD United Kingdom

The two areas of picture languages and membrane computing were linked by array-rewriting P system in which array objects and context-free array-rewriting rules are used in order to generate picture languages. While rewriting arrays in the array-rewriting P system is in a sequential manner, parallel array P system (PAP) involves rewriting of arrays in the regions in parallel in order to generate picture languages. A variant of PAP, known as tabled array P system (TPAP), uses sets of context-free array-rewriting rules, called tables of rules. Generative power of TPAP in comparison with PAP and certain other kinds of picture array generating mechanisms are investigated. Copyright © 2016 American Scientific Publishers. All rights reserved.

关键词： Context free languages

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Optimal design of heart rate variability analyzing filter

Optimal design of heart rate variability analyzing filter

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Mediterranean Conference on Embedded Computing (MECO)

作者： T. Vityazeva S. Vityazev A. Mikheev Faculty of Automation Informatics and Control Systems Ryazan State Radio Engineering University RSREU Ryazan Russia

A problem of optimal design of a filter for heart rate variability analysis is considered in this paper. Multistage, multirate structure is designed to implement ECG-signal processing with minimum computations. The number of stages and decimation factors at each stage are calculated. It is shown that optimal design of a filter allows significant processing time reduction to be achieved.

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Level of dispersion in dispersed particle filter

Level of dispersion in dispersed particle filter

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International Conference on Methods and Models in automation and Robotics (MMAR)

作者： Piotr Kozierski Marcin Lis Dariusz Horla Division of Signal Processing and Electronic Systems Chair of Control and Systems Engineering Poznan University of Technology Poznan Faculty of Electrical Engineering Institute of Electrical Engineering and Electronics Oborniki

In the paper an impact of the calculations dispersion level in a power system on the estimation quality has been presented. The dispersion level has been changed from the smallest (calculations for the whole system) to the largest (individual calculations in each node of the system). The obtained results have been compared with the estimation quality of dispersed case of extended Kalman filter. Based on the performed simulation it has been concluded that the dispersion has positive influence on the estimation quality of dispersed particle filter method, but only to a certain level, i.e. in case of power system division into very small parts, unsatisfactory results have been obtained.

关键词： Power systems Particle filters State estimation Dispersion Atmospheric measurements Particle measurements

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Physical Modelling of Energy Consumption of Industrial Articulated Robots

Physical Modelling of Energy Consumption of Industrial Artic...

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International Conference on control, automation and Systems

作者： Akeel Othman Kvetoslav Belda Pavel Burget Department of Control Engineering Faculty of Electrical Engineering Czech Technical University in Prague Department of Adaptive Systems Institute of Information Theory and Automation of the CAS

ISBN: (纸本)9781479999767

The paper deals with a modelling of the energy consumption of industrial articulated robots. The proposed modelling way is based on graphically-oriented computer-aided concept that exploits CAD software Solidworks and simulation environment MATLAB/Simulink with SimMechanics and SimPowerSystems libraries. These software tools are used for the composition of a dynamical simulation model that represents both mechanical robot structure and robot drives during robot motions. The paper addresses mathematical analysis and interpretation of the considered simulation model. Here, equations of the motion for the mechanical robot structure and appropriate dynamical equations of the robot drives are introduced. Using these equations, the energy consumption equation is defined. The proposed way is demonstrated by simulation experiments for several different velocities of the robot motion along a selected trajectory. For the experiments, industrial articulated robot KUKA KR 5 arc driven by PMSM drives is considered.

关键词： Industrial articulated robots Energy consumption Mathematical analysis Computer-aided modelling

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Global Finite-Time Tracking control for Rigid Manipulators Based on Adding a Power Integrator

Global Finite-Time Tracking Control for Rigid Manipulators B...

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第三十四届中国控制会议

作者： Mohamed Elamin Sahabi Xiangyu Wang Shihua Li School of Automation Southeast University Key Laboratory of Measurement and Control of Complex Systems of Engineering Ministry of Education Faculty of Engineering Blue Nile University

ISBN: (纸本)9781467374439

This paper investigates the finite-time tracking control problem for rigid manipulator systems. The proposed controller is based on adding a power integrator technique, which guarantees global finite-time convergence of tracking errors. Compared with the backstepping control scheme, the proposed control scheme provides a faster convergence rate for the tracking error system. Simulation results show the effectiveness of the proposed control scheme.

关键词： Manipulator,tracking control,finite-time control,adding a power integrator technique

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Three-dimensional non-holonomic integrator control design applied to induction motors

Three-dimensional non-holonomic integrator control design ap...

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Chinese control and Decision Conference, CCDC

作者： Boja Grčar Peter Cafuta Gorazd Štumberger Anton Hofer Faculty of Electrical Engineering and Computer Science University of Maribor Maribor Slovenia TU Graz Institute for Control and Automation Austria

In the contribution new results in a control design of a general three-dimensional non-holonomic integrator (NHI) including drift terms is proposed. Beside global asymptotic stability (GAS) proposed non-linear controller assure also minimal input norm during transients and in steady states and high dynamic in output response for a piecewise constant reference input. Due to appropriate input modulation internal states follow natural periodic orbits necessary to fulfill non-holonomic constraints. Introducing a non-linear transformation that describe error dynamics feedback stability is proven by using Lyapunov argumentation. Practical value of the proposed design is illustrated on the example of induction machine torque control along with a simulation and experimental results.

关键词： Torque Rotors Steady-state Stators Inductance control design Induction motors

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