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Article

A Decentralized Event-Based Model Predictive Controller Design Method for Large-Scale Systems

1Department of Instrumentation and Industrial Automation, Petroleum University of Technology, Ahwaz, Iran


Automatic Control and Information Sciences. 2014, 2(1), 26-31
DOI: 10.12691/acis-2-1-5
Copyright © 2014 Science and Education Publishing

Cite this paper:
Karim Salahshoor, Mohsen Hadian. A Decentralized Event-Based Model Predictive Controller Design Method for Large-Scale Systems. Automatic Control and Information Sciences. 2014; 2(1):26-31. doi: 10.12691/acis-2-1-5.

Correspondence to: Mohsen  Hadian, Department of Instrumentation and Industrial Automation, Petroleum University of Technology, Ahwaz, Iran. Email: m.hadian@put.ac.ir

Abstract

This paper presents a new methodology to design decentralized event-based control strategy for large-scale systems under the general MPC framework. The method introduces an appealing perspective to effectively reduce the computing load and communication effort in computer-based networks by incorporating the MPC approach in an event-based design framework. The proposed methodology is shown to be capable of coping explicitly with multi-input, multi-output (MIMO) plants having constraints while preserving the control performance characteristics due to decentralized MPC method with less control computational effort. The proposed control architecture ensures the stability of the closed-loop system, optimal performance and significant reduction in computational load without sacrificing the performance. Performances of the proposed method are comparatively explored on a catalytic alkylation of benzene process plant as the benchmark case study. A diverse set of experiments has been conducted to clearly demonstrate superiority of the proposed methodology compared to the standard time-driven decentralized MPC scheme on the basis of mean-squared error and number of events or control actions measures.

Keywords

References

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Article

Some Identities of Subjective Analysis Derived on the Basis of the Subjective Entropy Extremization Principle by Professor V.A. Kasianov

1Mechanics Department, Mechanical-Energetical Faculty, Aero-Space Institute, National Aviation University, Kyiv, Ukraine


Automatic Control and Information Sciences. 2014, 2(1), 20-25
DOI: 10.12691/acis-2-1-4
Copyright © 2014 Science and Education Publishing

Cite this paper:
Andriy Viktorovich Goncharenko. Some Identities of Subjective Analysis Derived on the Basis of the Subjective Entropy Extremization Principle by Professor V.A. Kasianov. Automatic Control and Information Sciences. 2014; 2(1):20-25. doi: 10.12691/acis-2-1-4.

Correspondence to: Andriy  Viktorovich Goncharenko, Mechanics Department, Mechanical-Energetical Faculty, Aero-Space Institute, National Aviation University, Kyiv, Ukraine. Email: andygoncharenco@yahoo.com

Abstract

Herein it has been made an attempt to find a theoretical explanation to the responsible person controlling behavior. On the basis of the subjective entropy of individual preferences extremization principle developed by Professor V.A. Kasianov we can derive some identities. Using the necessary conditions for extremums of a functional to exist in the view of the system of the Euler-Lagrange equations we get the widely known fundamental laws, namely, the law of subjective value by Jakob Bernoulli, as well as the main law of psychophysiology: the Weber-Fechner law in application to problems of optimal control in active systems. The discussed approach allows finding optimal paths as well as has an intrinsic universal value. The derived dependences have the significance of the conservative values at solving optimization problems. The corresponding modeling performed is illustrated with the necessary diagrams.

Keywords

References

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Article

Further Results on Stability of Singular Time Delay Systems in the Sense of Non-Lyapunov: A New Delay Dependent Conditions

1Department of Control Eng., University of Belgrade, School of Mechanical Engineering, Belgrade, Serbia

2Faculty of Technology, University of Nis, Serbia

3University of Belgrade, School of Mechanical Engineering, Innovation Centre, Belgrade, Serbia


Automatic Control and Information Sciences. 2014, 2(1), 13-19
DOI: 10.12691/acis-2-1-3
Copyright © 2014 Science and Education Publishing

Cite this paper:
Dragutin Lj. Debeljkovic, Sreten B. Stojanovic, Goran V. Simeunovic, Nebojsa J. Dimitrijevic. Further Results on Stability of Singular Time Delay Systems in the Sense of Non-Lyapunov: A New Delay Dependent Conditions. Automatic Control and Information Sciences. 2014; 2(1):13-19. doi: 10.12691/acis-2-1-3.

Correspondence to: Dragutin  Lj. Debeljkovic, Department of Control Eng., University of Belgrade, School of Mechanical Engineering, Belgrade, Serbia. Email: ddebeljkovic@yahoo.com

Abstract

In this paper, we consider the problem of finite-time stability of a class of linear singular continuous time delay systems. By using Lyapunov-like functional with time-delay, new delay-dependent stability condition has been derived in terms of matrix inequality such that the system under consideration is regular, impulse free and finite time stable. In the proposed stability criterion, Drazin inverse of a singular matrix is used.

Keywords

References

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Article

Decoding of the Triple-Error-Correcting Binary Quadratic Residue Codes

1Department of Computer Science and Information Engineering, Fortune Institute of Technology, Kaohsiung, ROC


Automatic Control and Information Sciences. 2014, 2(1), 7-12
DOI: 10.12691/acis-2-1-2
Copyright © 2014 Science and Education Publishing

Cite this paper:
Hung-Peng Lee, Hsin-Chiu Chang. Decoding of the Triple-Error-Correcting Binary Quadratic Residue Codes. Automatic Control and Information Sciences. 2014; 2(1):7-12. doi: 10.12691/acis-2-1-2.

Correspondence to: Hung-Peng  Lee, Department of Computer Science and Information Engineering, Fortune Institute of Technology, Kaohsiung, ROC. Email: hpl@fotech.edu.tw

Abstract

In this paper, a more efficient syndrome-weight decoding algorithm (SWDA), called the enhanced syndrome-weight decoding algorithm (ESWDA), is presented to decode up to three possible errors for the binary systematic (23, 12, 7) and (31, 16, 7) quadratic residue (QR) codes. In decoding of the QR codes, the evaluation of the error-locator polynomial in the finite field is complicated and time-consuming. To solve such a problem, the proposed ESWDA avoids evaluating the complicated error-locator polynomial, and has no need of a look-up table to store the syndromes and their corresponding error patterns in the memory. In comparison with the SWDA developed by Lin-Chang-Lee-Truong (2010), the simulation results show that the ESWDA can serve as an efficient and high-speed decoder.

Keywords

References

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Article

Evaluating the Partial Derivatives of Four Types of Two-Variables Functions

1Department of Management and Information, Nan Jeon University of Science and Technology, Tainan City, Taiwan


Automatic Control and Information Sciences. 2014, 2(1), 1-6
DOI: 10.12691/acis-2-1-1
Copyright © 2014 Science and Education Publishing

Cite this paper:
Chii-Huei Yu. Evaluating the Partial Derivatives of Four Types of Two-Variables Functions. Automatic Control and Information Sciences. 2014; 2(1):1-6. doi: 10.12691/acis-2-1-1.

Correspondence to: Chii-Huei  Yu, Department of Management and Information, Nan Jeon University of Science and Technology, Tainan City, Taiwan. Email: chiihuei@nju.edu.tw

Abstract

This article uses the mathematical software Maple for the auxiliary tool to study the partial differential problems of four types of two-variables functions. We can obtain the infinite series forms of any order partial derivatives of these two-variables functions by using differentiation term by term theorem, and hence greatly reduce the difficulty of calculating their higher order partial derivative values. In addition, we provide some examples to do calculation practically. The research methods adopted in this study involved finding solutions through manual calculations and verifying our answers by using Maple.

Keywords

References

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