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Proceedings of IEEE/IAS International Conference on Industrial Automation and Control

5-7 Jan. 1995

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  • Proceedings of IEEE/IAS International Conference on Industrial Automation and Control

    Publication Year: 1995
    Request permission for commercial reuse | PDF file iconPDF (31 KB)
    Freely Available from IEEE
  • Constrained model predictive control: an experimental study

    Publication Year: 1995, Page(s):257 - 262
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (324 KB)

    Constrained model predictive control (CMPC) has become increasingly popular in process industries in recent years owing to its optimization and constraint handling capabilities. This type of strategy features several aspects not commonly encountered in traditional advanced controls. Success with CMPC will be enhanced by an in-depth understanding of the underlying concepts. Training in CMPC therefo... View full abstract»

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  • Fuzzy-Head: a mechanic human head robot controlled by a fuzzy inference engine

    Publication Year: 1995, Page(s):71 - 76
    Cited by:  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    Fuzzy-Head is a mechanic model of a human head, considering cranial bone, lower jaw, muscles, tendons, connective tissue and skin. The positions and shapes of the lips, the jaw and the cheeks can be changed with the help of model ropes that are connected with a set of four servo-drives. The face mask may be treated as a complex nonlinear system which transforms the vectors of actual servo position... View full abstract»

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  • Development and implementation of intelligent control strategy for robotic manipulator

    Publication Year: 1995, Page(s):215 - 220
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (272 KB)

    This paper investigates different issues involved in the control of the robotic manipulator such as the effect of external disturbance and parameter variations on the trajectory tracking. Different intelligent control strategies such as trajectory following control law partitioning (PID) control, model reference adaptive control (MRAC) and fuzzy logic control are applied to servomotor driven 2-DOF... View full abstract»

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  • Parallel structured network for solving balanced realization problems

    Publication Year: 1995, Page(s):263 - 267
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (216 KB)

    Given a state space description of a linear system, the balanced realization problem is to find a similarity transformation for the state variables. This transformation must transfer both the system energy matrix and the output energy matrix into diagonal form. In this paper a novel parallel structured network (PSN) is constructed to solve this problem. The three possible forms of realization, whi... View full abstract»

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  • Artificial neural network controller for multi-link structures

    Publication Year: 1995, Page(s):37 - 42
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB)

    Adaptive critic and direct search methods are used to learn control of a two-link structure. The performance differences between algorithms is more pronounced using the two-link structure than using the cart-pole system. It is shown how the direct search methods can be treated as reinforcement learning methods View full abstract»

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  • Fuzzy logic control for pressbrake

    Publication Year: 1995, Page(s):77 - 82
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    A pressbrake is a machine used to bend metal sheet at different angles in a metal fabrication factory. High degree of bending angle accuracy and productivity are main objectives for having computerised numerical control (CNC) on such machines. The objective of this paper is to describe the fuzzy logic controller developed for hydraulic pressbrake. This system is shown to be multi-input multi-outpu... View full abstract»

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  • A neural network system that controls and plans paths for a robot

    Publication Year: 1995, Page(s):221 - 224
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    Proposes to solve the problems of direct/inverse kinematics and control of trajectories by multilevel perceptrons. The authors' solution admits a parallel implementation in real time. It does not need either to solve kinematic equations or robot trajectories, because it learns gradually by examples adaptively. The control system consists of different networks each of which specialises in solving a... View full abstract»

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  • Direct adaptive control of nonlinear systems using a dynamic neural network

    Publication Year: 1995, Page(s):269 - 274
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (464 KB)

    In this paper the development and application of a dynamic neural network called the dynamic neural processor (DNP) are discussed. The DNP is developed based on the neuro-physiological evidence that neural activity of any complexity depends upon the interaction of assembly of cells called neural subpopulations. A single subpopulation of neurons is assumed to consist of a number of similar neurons ... View full abstract»

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  • A neurocomputer based learning controller for critical industrial applications

    Publication Year: 1995, Page(s):43 - 48
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    Because of their remarkable ability to learn nonlinear mappings from a nonexhaustive training set and generalize, neurocomputers can readily play the role of learning controllers for complex plants. Due to the parallel distributed nature of processing they introduce little time delay in the control loop. In this paper a new generalized feedforward neural network model is applied to the task of con... View full abstract»

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  • Aspects of fuzzy logic in controller design

    Publication Year: 1995, Page(s):83 - 88
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (388 KB)

    Fuzzy logic is a systematic mathematical formulation for investigating and characterizing the different types of uncertainties. This paper presents the concept of representing uncertainties in membership diagram and forming the fuzzy rules (fuzzification) specifically for the basic design of controller. The fuzzification is carried out with eleven linguistic values. A defuzzification approach deve... View full abstract»

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  • Neural networks in robotics and control: some perspectives

    Publication Year: 1995, Page(s):451 - 456
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (604 KB)

    In recent years, ANNs have been successfully used in various applications such as system identification and control, robotics, pattern recognition and vision. One important application of ANNs is in the area of robotics. In particular, ANNs have been used to compute inverse kinematic transformations of multi-link robot manipulators. The advantage of using neural approach over the conventional inve... View full abstract»

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  • A novel grid interface for wind-driven grid-connected induction generators

    Publication Year: 1995, Page(s):373 - 376
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (196 KB)

    Establishment of 125 MW windfarms provided necessary thrust to harnessing renewable energy sources in India. Grid interfacing systems for any windfarms needs careful planning to assess its steady state impact on grid regarding voltage, power factor, and active reactive power losses. This paper presents a novel scheme to improve the performance of grid connected wind-driven induction generators by ... View full abstract»

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  • On aspects of a neural controller for a two link manipulator

    Publication Year: 1995, Page(s):225 - 228
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (212 KB)

    The kinematic and dynamic relationships of a manipulator are highly non-linear. The inverse problem is computationally intensive. In this light, the learning capabilities and parallel computational architecture of neural networks seem an attractive alternative to current methods of control. A few aspects of this issue are examined View full abstract»

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  • A real-time control of cyclones using private memory message passing distributed computer system

    Publication Year: 1995, Page(s):411 - 415
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    Cyclones have varied applications in chemical, mining and mineral processing industries. Although they have been in existence for quite some time now, there has been no hypothesis sound enough to elucidate and predict their operations with a number of variable parameters. This paper introduces a scheme for real-time-distributed control of cyclones taking into consideration the merits of existing c... View full abstract»

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  • Industrial applications of sliding mode control

    Publication Year: 1995, Page(s):275 - 280
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (468 KB)

    Fundamental principles of variable structure control (VSC) and sliding mode control (SLMC) are presented. Use of VSC/SLMC in industrial applications is surveyed, academic research of VSC/SLMC as used in AC and DC drives is reviewed, and advantages and disadvantages of using SLMC/VSC in practical applications are analyzed View full abstract»

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  • Multi-model neural network-based intelligent controller

    Publication Year: 1995, Page(s):49 - 53
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    A new multi-model intelligent control scheme based on an artificial neural network is presented in this paper. The proposed controller is used to improve the system performance of a complex control system of known or unknown model by driving the process to follow the desired trajectory. The multi-model control scheme depends on the multiple representation of a process using different models, invol... View full abstract»

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  • A method for designing digital multivariable industrial controller

    Publication Year: 1995, Page(s):347 - 350
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB)

    A new method is proposed for designing cascade rational controllers for linear discrete time multivariable industrial systems using output feedback. The method is based on the principle of approximate model-matching as opposed to exact model-matching design procedures. A newly defined set of parameters called the approximate generalised time moments (AGTM) are used in the design procedure. The AGT... View full abstract»

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  • A novel adaptive vector control system for temperature compensation in induction motors

    Publication Year: 1995, Page(s):185 - 188
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (308 KB)

    A new method for the improvement of temperature variation in induction motor (IM) speed control is presented in this paper. A direct measurement of the rotor temperature is assumed. The compensation of the temperature effect is made not only by adjusting a digital filter flux model coefficients but also by calculating the on-line proportional integral (PI) controller coefficients. These correction... View full abstract»

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  • Application of fuzzy control to a high-speed discrete event system

    Publication Year: 1995, Page(s):89 - 94
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (420 KB)

    Among the literature on optimal control of discrete event systems (DES), few works have been done using fuzzy control. In this paper, a high-speed discrete event system is considered. It is made up of a set of multi-inputs single-output processes. Owing to the nature of the available information (binary vectors), a hierarchical fuzzy controller is proposed to control this system. This controller c... View full abstract»

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  • Monitoring of tool status using intelligent acoustic emission sensing and decision based neural network

    Publication Year: 1995, Page(s):25 - 29
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (328 KB)

    Successful automation of manufacturing processes is must for production of high quality, customized and economical products demanded by todays customers. This calls for uninterrupted machining with desirable process parameters. This can be ensured by continuous monitoring of machining status, which is strongly influenced by the condition of the cutting tool. In this paper, a new scheme is proposed... View full abstract»

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  • Bi-directional communication channel on the HT power line using series injection technique

    Publication Year: 1995, Page(s):401 - 404
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (216 KB)

    A scheme is proposed to facilitate remote monitoring (metering) of HT consumers from the substation. This uses the HT feeder itself as the communication medium. The feasibility of the scheme is studied through simulation and is also experimentally verified on TNA. The results obtained are presented and discussed. The scheme adopts series injection technique. The scheme proposed is different in app... View full abstract»

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  • Efficient algorithms for the design of optimal neurocontrollers

    Publication Year: 1995, Page(s):335 - 340
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (324 KB)

    The paper investigates the use of faster variants of back propagation to speed up Nguyen and Widrow's method (1990) of designing feedback controllers. The investigation shows that the basic method itself is impractical and so speeding up is not worthwhile View full abstract»

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  • Registration and projection of multiple overlapping images on 3D structures

    Publication Year: 1995, Page(s):13 - 18
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (564 KB)

    A system that can integrate small pieces of images (taken from a close range) into a composite 3D surface, is developed. The device, along with 3D position/orientation estimation equipment, can be used in different environments for inspection tasks. For example, inspection of hulls of ships anchored at a bay, or examination of interior of pipes and tanks. Experimental results are presented, valida... View full abstract»

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  • Automatic control and management of electrostatic precipitator

    Publication Year: 1995, Page(s):389 - 394
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    The efficient operation of electrostatic precipitator (ESP) in practice depends upon many variables, such as the charging method, particle size, gas flow, temperature, dust resistivity, etc., with the air pollution control requirements becoming increasingly stringent, it is essential to closely monitor and accurately control the key parameters of ESP control system. The efficient functioning of ES... View full abstract»

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