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Proceedings IEEE Conference on Industrial Automation and Control Emerging Technology Applications

22-27 May 1995

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  • Proceedings IEEE Conference on Industrial Automation and Control Emerging Technology Applications

    Publication Year: 1995
    Request permission for commercial reuse | PDF file iconPDF (725 KB)
    Freely Available from IEEE
  • A frequency approach for current loop modeling with a PWM converter

    Publication Year: 1995, Page(s):114 - 121
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (610 KB)

    A new method based on a frequency approach is used to obtain a transfer function model of a DC permanent magnet actuator driven by a pulse width modulated (PWM) amplifier for robot applications. The paper investigates two carrier waves used in industrial applications with analog or digital control. The accurate model presented takes into account supply amplifier-motor dynamics and includes the inp... View full abstract»

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  • A flexible assembly cell integrating a parallel manipulator for accurate automatic assembly tasks

    Publication Year: 1995, Page(s):308 - 313
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (663 KB)

    This paper presents a flexible assembly cell intended to perform precise assembly tasks. This cell includes a C5 joints parallel robot which acts as the force controlled active wrist of a cartesian robot. The strategy of assembly consists of three steps: approach, correction of parts misalignments, and insertion. A hybrid position/force algorithm is implemented in the control system which is equip... View full abstract»

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  • Fuzzy help in mobile robot navigation

    Publication Year: 1995, Page(s):387 - 390
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (300 KB)

    To control the motion of a mobile robot in a partially-known environment, a hybrid method is used to fully utilize the advantages of both global and local strategies. The pre-acquired knowledge of the environment is memorized. It is useful for generating a global route and also for comparison between the real scene and the memorized one. If the sensors data in both scenes are the same, the navigat... View full abstract»

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  • Programming language for robotic assembly tasks

    Publication Year: 1995, Page(s):612 - 619
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (740 KB)

    The work presented in this paper deals with the development of a high level reactive macro-language dedicated to robotic assembly tasks. In order to satisfy the following constraints: openness, modularity, real-time decision making and powerful programming system, a control architecture is proposed. It includes three software layers: user layer, command layer and manage/control layer. This last la... View full abstract»

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  • Conference Author Index

    Publication Year: 1995
    Request permission for commercial reuse | PDF file iconPDF (125 KB)
    Freely Available from IEEE
  • A heuristic approach based on the state equations of Petri nets for FMS scheduling

    Publication Year: 1995, Page(s):275 - 281
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (460 KB)

    The paper proposes a heuristic method based on the state equations of Petri nets for flexible manufacturing systems (FMSs) scheduling. We formulate the FMS scheduling problem as a transition firing sequence of a timed Petri net, and then generate a partial reachability graph of the net. The net is searched for the goal state, using the solutions, which are firing count vectors, of the state equati... View full abstract»

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  • The interfacing technology of PC-based factory automation systems

    Publication Year: 1995, Page(s):267 - 274
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (460 KB)

    The purpose of this paper is to use a 4 axis servo card to design a very friendly man-machine interface to set up a practical PC based industrial controller system. We also introduced a novel pulse generator ICPG9210 which is powerful in multi axis motion control of servo motors View full abstract»

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  • Integration automatic warehouse and network with two-ways communication in CIM system

    Publication Year: 1995, Page(s):262 - 266
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB)

    The automatic warehouse system is a very important unit in the computer integration system. It is also a mechatronic system. In the factory the automatic warehouse will manage efficiently goods and save a lot of the storage space. In this article an automatic warehouse with the graphic monitor system of a CIM training system is presented. The graphic monitor system set the monitor point which may ... View full abstract»

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  • Programmable optical interface for zero crossing correlator

    Publication Year: 1995, Page(s):156 - 159
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (208 KB)

    In this paper a simple programmable optical interface circuit with a high range clipping level value to become suitable for higher velocity and mass flow rate measurements is presented. This interface converts the data received from photo multiplier electronics as an optical transducer to a manageable form that can be easily correlated using zero crossing microprocessor-based correlator. The circu... View full abstract»

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  • Intelligent control mechanism of part picking operations of automated warehouse

    Publication Year: 1995, Page(s):256 - 261
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    This paper study the part picking operations of automated warehouse. It assumed the demand of picking orders of automated warehouse are dynamic generated. Once the picking orders of certain period of time are known, it is necessary to decide an efficient order picking sequence and routing to minimize the total travel distance to complete those orders. Assumed there are nk items to be pi... View full abstract»

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  • A prototype induction generator VSCF system for aircraft

    Publication Year: 1995, Page(s):148 - 155
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (696 KB)

    Conventionally the hydromechanical driver is used to regulate the variable speed of aircraft engine to provide approximately constant speed for aircraft generator system. DC link variable-speed constant-frequency (VSCF) electrical power generator system is the advanced system available today. Compared with DC link VSCF system, a compact induction generator VSCF (IGVSCF) system presented in this pa... View full abstract»

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  • Automatic warehouse

    Publication Year: 1995, Page(s):246 - 249
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (612 KB)

    According to the trend of upgrading of industry, factory automation and varieties, warehouse management becomes complicated more and more. Nowadays, because of the difficulties of getting ground, increasing labor price, by which we suggest the using of automatic warehouse may evaluate the usage times of space and ground and the efficiency of material deposit and taking. This system is cooperated b... View full abstract»

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  • Two-time-scale digital controller design for a position servo system

    Publication Year: 1995, Page(s):663 - 668
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (364 KB)

    In this paper we propose a new digital controller for a position servo system. The controller is an observer based controller which takes advantage of the two-time-scale structure of the motor. Only some knowledge of the mechanical and electrical time-constants, and not a detailed mathematical model or exact parameter values, are required to implement the controller and that the closed loop system... View full abstract»

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  • Design and implementation of a high performance tracking control for brushless DC motor

    Publication Year: 1995, Page(s):175 - 181
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    In this paper, a high performance tracking control driver for brushless DC motor is introduced. Novel design concepts of a two-layer self-tuning controller are presented. The proposed control structure consists of two control layers: tracking control and supervisory control. To ensure robustness of the synthesis system during severe disturbances, the tracking controller uses an imposed time delay ... View full abstract»

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  • An advanced gas discrimination method utilizing the periodic operation of a semiconductor gas sensor

    Publication Year: 1995, Page(s):530 - 534
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    This paper proposes a concentration-independent inflammable gas discrimination method utilizing transient response patterns of a semiconductor gas sensor. In the proposed method, the heater voltage of the sensor is changed periodically for a certain time interval after a gas sample is introduced to obtain accurate and uniform information from the response patterns regardless of the surrounding tem... View full abstract»

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  • Implementation of a direct self-tuning control for a DC motor system

    Publication Year: 1995, Page(s):140 - 147
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB)

    Several self-tuning control (STC) algorithms have been developed theoretically, and many simulation results have demonstrated their feasibility during the past years. However, the implementation of STC is seldom seen. Proposed was a direct (implicit) STC design implemented for a DC motor speed control system. The controller design combined the generalized minimum variance (GMV) strategy with a sim... View full abstract»

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  • Auto-tuning of fuzzy controllers using cell mapping

    Publication Year: 1995, Page(s):492 - 499
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    This paper presents a systematic method for designing and evaluating a fuzzy logic controller based on the cell-to-cell mapping technique. Control rules of a fuzzy controller are identified automatically using the cell map information and a genetic optimization process. The resulting controller exhibits near time-optimal control and improved system performance. These characteristics can be evaluat... View full abstract»

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  • Automatic guided vehicle

    Publication Year: 1995, Page(s):241 - 245
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    In automatic delivery systems, automatic guided vehicles (AGVs) are an important part, for they are delivery vehicles that can direct themselves by following the program and the guide route. AGVs can be classified into two categories. AGVs with a guidepath are equipped with a reflective infrared transmitter-receiver to track the guidepath, ones without a guide path are moved by radio wave remote c... View full abstract»

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  • A lumped circuit parameter model of pneumatic networks

    Publication Year: 1995, Page(s):735 - 742
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    This paper describes mathematical models of basic pneumatic network components. Then these models are applied to a simple network with two pressurized air centers. Analytical model of the system is given. Then a typical pneumatic network with six air centers is simulated by the simulator based on the models presented. The results are discussed View full abstract»

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  • Analysis and compensation on nonlinearity in transfer characteristics of PWM amplifier

    Publication Year: 1995, Page(s):100 - 105
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (316 KB)

    In this study, the nonlinearity in transfer characteristics of a PWM switching bridge amplifier is analyzed, and an inverse function concept is proposed to compensate it. The nonlinearity in PWM amplifier is caused by the dead time that prevents the shorting problem of power transistors. The nonlinearity is analyzed to obtain both the analytic solution in closed form and its simplified form for th... View full abstract»

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  • Optical fiber Ethernet data transmission

    Publication Year: 1995, Page(s):657 - 662
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (436 KB)

    This paper describes an optical fiber Ethernet repeater system to transmit two-way Ethernet data for controlling machines. Ethernet data used for controlling machines is transferred between a pair of computers connected through a GI multimode optical fiber and a pair of optical fiber repeaters which are compatible with Ethernet systems. A new type of optical repeater is fabricated using the optica... View full abstract»

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  • Rule-based troubleshooter design for the maintenance of manufacturing devices

    Publication Year: 1995, Page(s):293 - 300
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (644 KB)

    A rule-based troubleshooter based on a zone-oriented design method is proposed for the maintenance of manufacturing devices. Through this approach, the behavior of manufacturing devices is classified into normal and abnormal operations under the State/Attribute/World/Zone (SAWZ) architecture. For the normal operations, a rule-based supervisor based on hierarchy transformation method (HTM) is used ... View full abstract»

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  • A preliminary study of fuzzy control parameters and Taguchi-method on DC servo motor control

    Publication Year: 1995, Page(s):170 - 174
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (364 KB)

    Evaluates the effects of fuzzy control parameters on speed control of a DC servo motor. The control method adopted is the fuzzy look up table method. Motor speed control experiments are conducted under no load and load-varying conditions. The authors use PI type fuzzy control in their study and make some comparisons to the PD type method. According to the results of practical motor speed control e... View full abstract»

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  • Dynamic dispatching rule modeling for AGV moves in a flexible manufacturing system: A Petri net approach

    Publication Year: 1995, Page(s):250 - 255
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    For job shop that use automatic guided vehicles (AGVs) for loading and unloading all parts, the efficiency of the job shop depends on the effective dispatching rules of AGV, Since traditional sequential control can only direct the AGVs to react to service requests based on existing dispatching rules such as FAFS, LUV, etc., concurrent models are needed to accommodate multiple events occurring at t... View full abstract»

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