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Fuzzy Optimization with Robust Logistic Membership Function: A Case study In For Home Textile Industry

IFAC Proceedings Volumes 2008年第2期41卷 5262-5266页

作者： Atanu Sengupta Pandian Vasant Cvetko J. Andeeski Institute of Interdisciplinary Scientific Research 17B Ramchandra Maitra Lane Kolkata-700005 India Electrical & Electronic Engineering Program University Technology Petronas 31750 Tronoh BSI Perak DR Malaysia Faculty of Tourism and Hospitality St. Clement Ohridski University of Bitola 6000 Ohrid Republic of Macedonia

Many engineering optimization problems can be considered as linear programming problems where the all or sum of the parameters involved are linguistic in nature. These can only be quantified using fuzzy sets. The aim of this paper is to solve fuzzy linear programming problem where the parameters involved are fuzzy numbers with logistic membership functions. To explore the applicability of the present study a numerical example is considered determine monthly production planning and profit of home-textile group. To solve this problem LINGO Software is used.

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Flagellar swimming for medical micro robots: Theory, experiments and application

Flagellar swimming for medical micro robots: Theory, experim...

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IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics (BioRob)

作者： Gabor Kosa Peter Jakab Nobuhiko Hata Ferenc Jolesz Zipi Neubach Moshe Shoham Menashe Zaaroor Gabor Szekely Computer Vision Laboratory Department of Information Technology and Electrical Engineering ETH Zurich Switzerland Harvard Medical School Boston MA USA Division of MRI and Image Guided Therapy Program at Department of Radiology Brigham and Women's Hospital Boston MA USA Faculty of Mechanical Engineering Technion-Israel Institute of Technology Haifa Israel Department of Neurosurgery Rambam Medical Center Haifa Israel

Flagellar swimming is one of the swimming methods used by micro-organisms to advance in aquatic environment. The undulating motion of the flagella was successfully imitated to create propulsion for a medical swimming micro robot. The influence of a head section on the performance of such a robot is shown analytically. Swimming experiments demonstrate forward and backward swimming of a novel magnetically driven swimming tail. We intend to use the flagellar swimming tail in a three tail configuration for neurosurgical intervention in the ventricular system.

关键词： Medical robotics Tail Medical diagnostic imaging Propulsion Magnetosphere Neurosurgery Intestines Computer vision Laboratories Information technology

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High capacity & scalable WDM-PON architecture using PON add/drop multiplexer

High capacity & scalable WDM-PON architecture using PON add/...

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Conference on Network Architectures, Management and Applications V

作者： Hilmi, Sahrul Farid, Ahmad Jaafar, M. A. B. Mohammad, Abu Bakar IEEE Access Network Technology Program TM Research and Development Sdn Bhd Selangor Malaysia Department of Optic and Telemetic Faculty of Electrical Engineering Universiti Teknology Malaysia 81310 UTM Skudai Johor Malaysia

ISBN: (纸本)9780819469472

WDM-PON is known as a promising technology for future access network. This paper investigates the performance of a novel 2.5Gbps WDM-PON Network architecture which employs new PON optical add/drop multiplexer (OADM), in order to support high coverage in unlimited scaling. Based on the architecture, higher installation and maintenance costs can be reduced, and the access network design can support symmetric transmission rate 10Gbps for distance up to 30 km is demonstrated.

关键词： WDM-PON fiber-to-the-home (FTTH) Add/Drop multiplexer access network

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Analysis and control of Shunt-Compensator for mitigating Unbalanced Voltages

Analysis and control of Shunt-Compensator for mitigating Unb...

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2007 Australasian Universities Power engineering (AUPEC 2007), vol.2

作者： W. Srisongkram N. Phanthuna P. Boonchiam W. Subsingha N. Mithulananthan Department of Electrical Engineering Faculty of Engineering Rajamangala University of Technology Thanyaburi Pathum Thani Thailand Department of Electrical Engineering Faculty of Engineering Rajamangala University of Technology Pranakhon Bangkok Thailand Energy field of study Asian Institute of Technology Pathum Thani Thailand

This paper presents the analysis and the control of shunt-compensator for improving unbalanced voltages of power distribution systems in Thailand. The shunt-compensator is connected to the low voltage level in power distribution system. The analysis detail and the design of shunt-compensator obtain by using the voltage vector control (mathematical model with the stationary reference frame and synchronous reference frames). The unbalanced voltages are identified by using positive and negative sequence detection that can be shown in the synchronous reference frame. This method also presents the decoupling control including feed-forward control to compensate both positive and negative sequence component of grid voltage. The power circuit of the shunt-compensator and the distribution network are modeled by Provincial Electricity Authority (PEA) of Thailand that is the same as worldwide standard of power distribution system. By using computer program, the simulation results showed the benefit and the performance of proposed methodology which obviously ensure the performance of shunt-compensator for mitigating the unbalanced voltages.

关键词： Shunt-compensator Synchronous reference frames Faults Unbalance and decoupled control

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Current controlled current conveyor transconductance amplifier (CCCCTA): A building block for analog signal processing

Current controlled current conveyor transconductance amplifi...

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ISCIT 2007 - 2007 International Symposium on Communications and Information Technologies

作者： Siripruchyanun, Montree Jaikla, Winai Department of Teacher Training in Electrical Engineering Faculty of Technical Education King Mongkut's Institute of Technology North Bangkok Bangkok 10800 Thailand Electric and Electronic Program Faculty of Industrial Technology Suan Sunandha Rajabhat University Dusit Bangkok 10300 Thailand

ISBN: (纸本)1424409772

This article presents a basic current-mode building block for analog signal processing, namely current controlled current conveyor transconductance amplifier (CCCCTA). Its parasitic resistance at current input port can be controlled by an input bias current. It is very suitable to use in a current-mode signal processing, which is continually more popular than a voltage one. The proposed element is realized in a bipolar technology and is examined the performances through PSPICE simulations. They display usabilities of the new active element. The CCCCTA performs tuning over a wide current range. In addition, some examples as a current-mode universal biquad Alter and a grounded inductance simulator are included. They occupy only single CCCCTA. © 2007 IEEE.

关键词： Bandpass filters

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Floating capacitance multiplier using DVCC and CCCIIS

Floating capacitance multiplier using DVCC and CCCIIS

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ISCIT 2007 - 2007 International Symposium on Communications and Information Technologies

作者： Siripruchyanan, Montree Jaikla, Winai Department of Teacher Training in Electrical Engineering Faculty of Technical Education King Mongkut's Institute of Technology North Bangkok Bangkok 10800 Thailand Electric and Electronic Program Faculty of Industrial Technology Suan Sunandha Rajabhat University Dusit Bangkok 10300 Thailand

ISBN: (纸本)1424409772

This article introduces a floating capacitance multiplier employing differential voltage current conveyor (DVCC) and second generation current controlled current conveyors (CCCIIs). The provided capacitor is a floating element synthesized from a grounded capacitor. Its outstanding feature is that the capacitive value can be electronically adjusted by input bias currents of the CCCIIs and is temperature-insensitive. The circuit construction comprises one DVCC and two CCCIIs, cooperating with a grounded capacitor. The circuit performances are depicted through PSPICE simulations, they show good agreement to theoretical anticipation. Capacitance increasing and an application as a fifth-order Chebyshev highpass Alter are included. © 2007 IEEE.

关键词： SPICE

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Generalized Synchronization in Reduced-Order by Quasi-Continuous High-Order Sliding-Mode Controllers

Generalized Synchronization in Reduced-Order by Quasi-Contin...

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Proceedings of the 46th IEEE Conference on Decision and Control, Pages 5052-5510

作者： Angel Rodriguez Jesus De Leon Leonid Fridman Electrical Engineering Doctoral Program Mechanical and Electrical Engineering Faculty Autonomous University of Nuevo León San Nicolas de los Garza Nuevo Leon Mexico Department of Control Division of Electrical Engineering Engineering Faculty National Autonomous University of México Mexico

ISBN: (纸本)9781424414970;1424414970

In this paper, the interest is the generalized synchronization in reduced-order for chaotic systems, i.e. the synchronization of the states of a slave system with a canonical projection of a different master system. A control approach, which involves an exact robust differentiator and a quasi-continuous high-order sliding mode-controller, is proposed for the above purpose. In this manner, the generalized synchronization in reduced-order is achieved in spite of mismatches between master and slave models. Results of the synchronization scheme performance are illustrated by means of simulations.

关键词： Slaves Reduced order Slip forming higher-order Chaotic systems MISMATCH Controllers

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A novel current-mode multiplier/divider employing only single dual-output current controlled CDTA

A novel current-mode multiplier/divider employing only singl...

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ISCIT 2007 - 2007 International Symposium on Communications and Information Technologies

作者： Jaikla, Winai Siripruchyanun, Montree Electric and Electronic Program Faculty of Industrial Technology Suan Sunandha Rajabhat University Dusit Bangkok 10300 Thailand Department of Teacher Training in Electrical Engineering Faculty of Technical Education King Mongkut's Institute of Technology North Bangkok Bangsue Bangkok 10800 Thailand

ISBN: (纸本)1424409772

This paper reviews a circuit which is analog multiplier/divider using single Dual-Output Current Controlled Current Differencing Transconductance Amplifiers (DO-CCCDTA). The proposed circuit can function as four-quadrant multiplier and two-quadrant divider without changing a circuit topology. A constant value of multiplication and division can be controlled via an input bias current. Without any external passive element requirements and using only single DO-CCCDTA, the proposed circuit is suitable to fabricate in IC. The circuit performances are depicted trough PSPICE simulations, they show good agreement to theoretical analysis. © 2007 IEEE.

关键词： SPICE

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Low-component electronically controllable dual-mode universal biquad filter using DO-CCCIIs

Low-component electronically controllable dual-mode universa...

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ISCIT 2007 - 2007 International Symposium on Communications and Information Technologies

作者： Jaikla, Winai Silapan, Phamorn Siripruchyanun, Montree Electric and Electronic Program Faculty of Industrial Technology Suan Sunandha Rajabhat University Dusit Bangkok 10300 Thailand Electric and Industrial Program Faculty of Industrial Technology Uttaradit Rajabhat University Muang Uttaradit 53000 Thailand Department of Teacher Training in Electrical Engineering Faculty of Technical Education King Mongkut's Institute of Technology North Bangkok Bangsue Bangkok 10800 Thailand

ISBN: (纸本)1424409772

This article presents a dual-mode (voltage-mode and current-mode) universal biquadratic filter performing completely standard functions: low-pass, high-pass, band-pass, band-reject and all-pass functions, based on dual-output second-generation current controlled current conveyor (DO-CCCII). The features of the circuit are that: the bandwidth and natural frequency can be tuned electronically via the input bias currents: the circuit description is very simple, consisting of merely 2 DO-CCCIIs and 2 capacitors: the circuit can provide either the voltage-mode or current-mode Alter without changing circuit topology. Additionally, each function response can be selected by suitably selecting input signals with digital method. Without any external resistors, the proposed circuit is very suitable to further develop into an integrated circuit. The PSPICE simulation results are depicted. The given results agree well with the theoretical anticipation. The maximum power consumption is approximately 1.8ImW at ±1.5V supply voltages. © 2007 IEEE.

关键词： Bandpass filters

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Improved retention through innovative academic and non-academic programs

Improved retention through innovative academic and non-acade...

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114th Annual ASEE Conference and Exposition, 2007

作者： Mathias, James Gupta, Lalit Nicklow, John Tezcan, Jale Caffey, Ronald Chrisman, Bruce Pearson, Chris Pericak-Spector, Kathy Kowalchuk, Rhonda Lewis, Ernest Sevim, Hasan Southern Illinois University Carbondale United States United States Department of Electrical and Computer Engineering Southern Illinois University Carbondale IL United States ECE Department ABET Review Committee College of Engineering Faculty Mentoring Program IEEE United States Department of Civil and Environmental Engineering United States United States United States United States United States Southern Illinois University Edwardsville United States School of Engineering SIU

In conjunction with a grant from the National Science Foundation, the retention of students in Southern Illinois University - Carbondale (SIUC) College of engineering will be increased through the introduction of innovative academic and non-academic programs. The new academic programs consist of the following components: an introduction to engineering course, engineering designated sections of courses, a summer math course for new students who need improvement in math, and revisions to the math curriculum. The new non-academic programs consist of: creation of an engineering residential college, and peer mentoring, faculty mentoring, and mentoring by practicing engineers. The introduction to engineering course will include all freshman students in SIUC College of engineering. This lecture-laboratory course will provide an interesting description of each engineering major and allows students to work with hands-on projects that will teach the usefulness of mathematics and basic engineering concepts. The SIUC College of engineering has worked with other departments on campus to offer engineering designated sections of core curriculum courses, such as math, sciences, English, and speech communication. The summer math course lasts four-weeks and accepts students who test below the pre-calculus level and prepares them for pre-calculus during the fall semester. The mathematics curriculum is being modified so that all students who do not test into calculus will take a math course taught by the college of engineering that prepares them for calculus. Also, there are non-academic programs that have been designed to improve retention and the freshman experience. First, to foster the "living-learning community" experience, all freshman and sophomore engineering students will live in the engineering residential college with 36 peer mentors and three residential assistants. The engineering residential college also houses a classroom where engineering designated sections of common c

关键词： engineering education

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