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IEEE India Conference (INDICON)

作者： Anamika Chauhan Sunil Semwal Rajneesh Chawhan Dept. of Instrumentation & Control Engineering Graphic Era University Dehradun India Dept. of Electronic & Communication Engineering Meerut Institute of Engineering & Technology Meerut India

In this paper, the problem of forest fire is considered and a comprehensive system is proposed with the use of wireless sensor network for real-time forest fire detection. The wireless sensor network can give more accurate detection of forest fire danger rate over traditional monitoring approaches like lookout towers and satellite based monitoring. This proposed framework mainly describes the data collection from designed data acquisition system and then its classification. The wireless transmission of sensor node data is done using BTBee module. Also artificial neural networks (ANN) approach, i.e. support vector machine (SVM) is applied for classification of collected data. Classification accuracy is evaluated and compared for various Kernel functions including multilayer perceptron (MLP), polynomial, quadratic and radial basis function (RBF).

关键词： Fires Wireless sensor networks Wireless communication Support vector machines Temperature measurement Temperature sensors Humidity

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On Visualization of Micro-movement of Formant Tracks on Vowel Space

On Visualization of Micro-movement of Formant Tracks on Vowe...

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International Congress on Image and Signal Processing

作者： Cheolwoo Jo Osho Gupta Dept. of Control & Instrumentation Engineering College of Mechatronics Changwon National University Changwon Korea Dept. of Electronic Engineering IIT-BHU Vanarasi India

ISBN: (纸本)9781479927654

This paper presents a basic research results to visualize the micro-movement of formant tracks for the purpose of using it to analyze speech signal on the research of speech analysis and synthesis etc. Current analysis method on formant is mainly focusing on analysis of static statistical characteristics. But dynamic information about changing vowels is hard to acquire using conventional statistical results such as mean, variance etc. In this experiment we propose a new visualization method to display the dynamic behavior of vowel changes according to the micro movement of formant on vowel space.

关键词： formant visualization vowel space

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Hierarchical fuzzy approaches for a piloted Quality Management System

Hierarchical fuzzy approaches for a piloted Quality Manageme...

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International Conference on control, Decision and Information Technologies (CoDIT)

作者： H. Ben Mahmoud R. Ketata T. Ben Romdhane S. Ben Ahmed Dept. of Physics and Instrumentation Engineering INSAT: National Institute of Applied Science and Technology Dept. of Physics and Instrumentation Engineering ICOS: Research Unit on Intelligent Control Tunis Tunisia Dept. of Physics and Instrumentation Engineering MOSIC Research Unit on Methods and Tools for Complex Computer Systems Tunis Tunisia

In this paper, two approaches, Hierarchical Fuzzy Signature (HFS) and Neuro-Fuzzy Hierarchical Hybrid (NFHH), have been proposed for piloting a Quality Management System (QMS). These approaches have been applied for real company which presents a major problem for controlling the quality level of production. HFS structure has reduced complexity in the number of input and output meta-levels of hierarchy. Also NFHH model has presented better performance in terms of precision and number of parameters without losing the universal approximation property of neural networks (NN) and fuzzy systems.

关键词： Companies IP networks Production Complexity theory Fuzzy logic Artificial neural networks Pragmatics

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Training software for esophageal speech developed on game-based PC

Training software for esophageal speech developed on game-ba...

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7th International Convention on Rehabilitation engineering and Assistive Technology, i-CREATe 2013, in Conjunction with SENDEX 2013

作者： Kuekittiwong, Wimok Boonpramuk, Panuthat Manochiopinig, Sriwimon Dept. of Control System and Instrumentation Engineering King Mongkut's University of Technology Thoburi 126 Prachautid Rd. Bangmod Tungkru Bangkok 10140 Thailand Dept. of Rehabilitation Medicine Faculty of Medicine Siriraj Hospital Mahidol University 2 Prannok Rd. Bangkoknoi Bangkok 10700 Thailand

Almost all people who get laryngeal cancer are treated by laryngectomy. However, this treatment affects their voice since the larynx will be removed. This research presents a technique which can recover their voice to communicate with others again. The technique is esophageal speech;this technique does not require any additional device but it needs only a continuously training from speech therapist. In additional, the training software for esophageal speech is designed and developed based on three speech characteristics which are tempo, loudness and duration of speech. For more attractive, we developed into computer game-based. The experiment is divided by two groups of users;normal speakers and esophageal speakers. The results of experiments are evaluated by using Mean Opinion Score, and the score are 4 from esophageal speakers and 3.7 from normal speakers.

关键词： Speech

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Decentralized state estimation in connected systems *

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IFAC Proceedings Volumes 2013年第2期46卷 421-426页

作者： Alessandro Pilloni Alessandro Pisano Elio Usai Purushothama Prathyush Menon Christopher Edwards Dept. of Electrical and Electronic Engineering (DIEE) University of Cagliari Cagliari Italy College of Engineering Mathematics and Physical Sciences University of Exeter United Kingdom Control and Instrumentation Research Group University of Leicester Leicester United Kingdom

This paper considers the problem of state estimation and unknown input reconstruction of a class of connected heterogeneous LTI MIMO systems. Local high order sliding mode observers at each node of the network are designed for this purpose. The proposed method, under some network structural conditions, is inherently robust, nonlinear and totally independent of the time-varying network topology. Knowledge of the number of nodes that belong to the network is not required. At the supervisory level, decentralized control signals are computed based on the state estimates in order to operate the networking synchronization. By mean of simulation, the effectiveness of the proposal procedure is shown.

关键词： Observers for linear systems Complex systems Structural properties

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Swing Up and Stabilization control of a Rotary Inverted Pendulum

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IFAC Proceedings Volumes 2013年第32期46卷 654-659页

作者： Navin John Mathew K. Koteswara Rao N. Sivakumaran National Institute of Technology Tiruchirappalli India (Tel: +91 *** Vikram Sarabhai Space Centre Indian Space Research Organisation Thiruvananthapuram Instrumentation & Control Engineering Dept. National Institute of Technology Tiruchirappalli India

The control of a Rotary Inverted Pendulum (RIP) is a well-known and a challenging problem that serves as a popular benchmark in modern control system studies. The task is to design controllers which drives the pendulum from its hanging-down position to the upright position and then hold it there. The swing up is achieved using an energy based controller. In energy based control the pendulum is controlled in such a way that its energy is driven towards a value equal to the steady-state upright position. Then a mode controller switches between the swing-up controller and stabilizing controller near the upright position. For stabilization control, two control techniques are analyzed. Firstly, a sliding mode controller (SMC) is designed to stabilize the pendulum. Secondly, a state feedback controller is designed that would maintain the pendulum upright and handle disturbances up to a certain point. The state feedback controller is designed using the linear quadratic regulator (LQR). The responses of the LQR controller and SMC controller are compared in simulation.

关键词： swing up energy control mode controller linear quadratic regulator sliding mode control

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Study on data reduction technique for incremental training of SVDD

Study on data reduction technique for incremental training o...

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2012 11th International Conference on Environment and Electrical engineering, EEEIC 2012

作者： Na, Sanggun Kim, Jinsung Han, Injae Heo, Hoon Dept. of Control and Instrumentation Engineering Korea University Seoul Korea Republic of

ISBN: (纸本)9781457718281

In this paper, a data reduction technique is proposed for incremental learning of SVDD. Two methods are used in order to train a lot of data. One method is to remove redundant data. The other one is to remove the data that almost does not affect to next training. The removed data is located inside of the boundary mostly. As a result, a computation load is reduced and the storage space can be more saved as well. The Temperature data of two Motor-Generators in commercial hybrid electric vehicle is adopted in this study. The performance characteristics in terms of computation time and the storage space are compared with conventional method. The data inside the boundary via calculation is selected to be removed in the proposed technique. One of the big advantages in the proposed techniques is that the same result is hold even using the set of reduced data. Simulation confirms, in addition, that the proposed data reduction technique exhibits acceptable error without losing its performance. © 2012 IEEE.

关键词： Hybrid vehicles

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Design of a Nonlinear Dynamic Inversion controller for Trajectory Following and Maneuvering for Fixed Wing Aircraft

Design of a Nonlinear Dynamic Inversion Controller for Traje...

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IEEE Symposium on Computational Intelligence for Security and Defense Applications

作者： Abhay A. Pashilkar Shaik Ismail Ramakalyan Ayyagari Narasimhan Sundararajan Scientists Flight Mechanics and Control Division National Aerospace Laboratories Bangalore - 560017 India Prof. Dept. of Instrumentation and Control Engg. National Institute of Technology Tiruchirappalli India Prof. (retd) School of Electrical & Electronic Engineering Nanyang Technological University Singapore 639798

ISBN: (纸本)9781467359108

This paper presents the design of a robust linear controller that can be used for trajectory following and maneuvering of fixed-wing aircraft using Nonlinear Dynamic Inversion (NDI) principles. The design addresses control coupling to exploit multiple redundant controls. It can also be easily extended to state decoupling. The design procedure exploits the nature of the equations of motion written in the wind axis resulting in a cascaded linear controller structure with inner and outer loops. A systematic methodology is evolved which uses only the relevant stability and control derivatives in the control synthesis, as opposed to the inversion of the complete nonlinear equations used in conventional NDI designs. The tuning of the control gains is based on the requirements of adequate trajectory following and robustness to control surface failures. Finally, it is shown how a series of controllers can be derived depending on the sensor complement available on the aircraft. The proposed approach is ideal for fixed-wing Unmanned Aerial Vehicles (UAVs).

关键词： Nonlinear Dynamic Inversion fixed-wing aircraft trajectory following unmanned ariel vehicle

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Linearization algorithms for a multi input multi output process

Linearization algorithms for a multi input multi output proc...

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2012 51st Annual Conference on of the Society of Instrument and control Engineers of Japan, SICE 2012

作者： Subbulekshmi, D. Kanakaraj, J. Dept. of Instrumentation and Control Systems Engineering PSG College of Technology Coimbatore India Dept. of Electrical and Electronics Engineering PSG College of Technology Coimbatore India

The main aim of this work is to keep the interacting liquid level and temperature parameter at the desired value. This article presents Kravari's algorithm, Generic Model control (GMC) and Hischorn's algorithms for an approximated model of interacting level and temperature process. The comparison of the above algorithms are shown. The control laws obtained from the above algorithms are relatively simple and accurate. These algorithms make the closed loop system linear in an input-output sense. control performance of Hirschorn's is found to be better. The control laws obtained for Hirschorn's algorithm gives improved Settling Time (Ts) and Integral Square Error (ISE). A two input two output MIMO has been considered and the system was thoroughly analyzed for various decoupling and linearization algorithm. ©2012 SICE.

关键词： Linearization

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Maximum Likelihood Estimation of diffusion and convection in tokamaks using infinite domains

Maximum Likelihood Estimation of diffusion and convection in...

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IEEE Conference on control Technology and Applications (CCTA)

作者： Matthijs van Berkel Gerd Vandersteen Hans Zwart Dick Hogeweij Marco de Baar Technische Universiteit Eindhoven Eindhoven Noord-Brabant NL Department of Fundamental Electricity and Instrumentation Vrije Universiteit Brussel Belgium Dept. of Mechanical Engineering Control Systems Technology group Eindhoven The Netherlands FOM institute DIFFER Dutch Institute for Fundamental Energy Research Association EURATOM-FOM Trilateral Euregio Cluster Nieuwegein The Netherlands

ISBN: (纸本)9781479915583

A new method to identify the spatial dependent parameters describing the heat transport, i.e. diffusion and convection, in fusion reactors is presented. These parameters determine the performance of fusion reactors. The method is based on local transfer functions, which are defined between two measurement locations. Estimation of the local transfer functions results in a model of the spatial dependent diffusion and convection. The parameters of the local transfer functions are estimated using Maximum Likelihood Estimation in the frequency domain. This is necessary, because both measurements (input and output of the transfer function) contain noise. Moreover, confidence bounds and validation tests can be used in this framework. Finally, experimental results are presented, which show that the diffusion and convection can be estimated. In this case, the uncertainty bounds are too large on the convection to conclude its presence.

关键词： Transfer functions Noise Temperature measurement Heating Tokamaks Uncertainty

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