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Industrial Technology, 1994., Proceedings of the IEEE International Conference on

5-9 Dec. 1994

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Displaying Results 1 - 25 of 188
  • Proceedings of 1994 IEEE International Conference on Industrial Technology - ICIT '94

    Publication Year: 1994
    Request permission for commercial reuse | PDF file iconPDF (19 KB)
    Freely Available from IEEE
  • Vector control of permanent magnet synchronous motors including stator iron loss

    Publication Year: 1994, Page(s):1 - 5
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB)

    The speed control ability of permanent magnet synchronous motor (PM motor) is affected by parameter variation and disturbance torque. In this paper, the robust speed control method of PM motors with the disturbance torque observer is proposed, in which the disturbance torque observer is used for the compensation of parameter variations and disturbance torque. The influence of estimation error of d... View full abstract»

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  • The development of the self-tuning control theory and its application

    Publication Year: 1994, Page(s):O24 - O28
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (372 KB)

    In this paper, we review the development of the theories and applications of self-tuning control in more than two decades. Some typical approaches of identification and self-tuning control are involved, the analysis results of the performance of self-tuning controllers are discussed, the implementations and some products of self-tuning controller are summarized. With the progress of computer techn... View full abstract»

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  • Computer aided real time testing and evaluating for machined surface profile parameters

    Publication Year: 1994, Page(s):414 - 417
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    Correct measurement and evaluation of machined surface profile parameters plays an important role in production of machine parts. In this study, a computer aided real time analyzing system for determining the parameters of machined surface profile is introduced as well as the software design. In this system, the real time data processing and self-adaptive measurement technique are applied. As a re... View full abstract»

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  • Industrial applications of motor control systems in Japan-past and future

    Publication Year: 1994, Page(s):O15 - O23
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (524 KB)

    This paper reviews the past and present advances in the industrial applications of motor control systems in Japan. Motor control systems applying the technology of power electronics, have been widely used in the industrial applications The advent of high speed microprocessors and power devices is permitting high control performance which was not possible before. Finally, the paper highlights the f... View full abstract»

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  • A new cognitive model for Chinese character description and recognition

    Publication Year: 1994, Page(s):418 - 421
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (216 KB)

    This paper proposes a new cognitive model, called “Segmentron”, for Chinese character description and recognition. The cognitive model consists of three layers: (1) perceptual extraction for skeleton feature, (2) affine description in convex space, and (3) entropic evolutionary classification for optimization. With the model mentioned above, the correct classification result can be giv... View full abstract»

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  • An overview of power quality

    Publication Year: 1994
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (76 KB)

    The quality of the electric power available to the end user is a matter of increasing concern to the power systems engineer. In many ways most of electric power engineering has been devoted to the enhancement of the quality of the power supply since the beginning of the use of electricity as a primary source of energy. However, in recent times, the proliferation of a wide variety of microelectroni... View full abstract»

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  • Imaging properties and measurement of Selfoc lens and SLA

    Publication Year: 1994, Page(s):422 - 425
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (160 KB)

    Selfoc lens is a special type of optical fiber. It is used as an image lens or for optical coupling, etc. Thus it is an important component in optical communication and integrated optics. A SLA (Selfoc lens array) is composed of many Selfoc lens in a strict manner. It is now extensively used in copying machines, fax system and printers. We obtain lithium doped Selfoc lenses and SLA by ion exchange... View full abstract»

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  • Manipulability measures for multi-wire driven parallel mechanisms

    Publication Year: 1994, Page(s):550 - 554
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    The manipulability measures for multi-wire driven parallel mechanisms are discussed. For kinematics of a wire driven mechanism, we need not only the geometrical constraints of wire lengths but also the force constraints, such as the wire tension which should be always greater than or equal to zero. First, the sufficient and necessary mechanical conditions corresponding to the force constraints are... View full abstract»

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  • Fault detection and diagnosis of a certain type of discrete manufacturing system

    Publication Year: 1994, Page(s):463 - 467
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (284 KB)

    In this paper, we discuss fault detection and diagnosis issues for discrete manufacturing systems. An enhanced Petri net is used to model a real plant. This model is especially appropriate to the systems controlled by PLC. By means of this model, the cause of failure is automatically searched, so that the diagnostic task of a complicated system can be successfully executed by the computer. The met... View full abstract»

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  • A microcomputer measuring unit for starting torque of micromotors

    Publication Year: 1994, Page(s):426 - 428
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (188 KB)

    A microcomputer measuring unit for the starting torque of micromotors is presented. The measuring result on a claw pole permanent-magnet synchronous motor shows that, compared with the traditional platform scale method, this unit possesses the following advantages: it has high accuracy and high speed in measuring; it is easy to operate; it can provide the data in graphics and tables; and it has a ... View full abstract»

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  • Modeling and digital control of direct drive arm

    Publication Year: 1994, Page(s):555 - 559
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (300 KB)

    The SCARA type direct drive arm (DDA) sustaining the attribute of a parallel linkage mechanism is modeled and controlled. The control of DDA becomes more sophisticated compared to the conventional geared arm due to the substantial increase of moving speed and dynamic interactions. In order to solve this problem, the complete discrete-time dynamic model is developed. The dynamic compensation contro... View full abstract»

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  • Relations of the hue, chroma and lightness incorporated into the automatic glossiness and color differences' discrimination system

    Publication Year: 1994, Page(s):641 - 645
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB)

    The automatic glossiness and colour difference discrimination system has been developed by using both the fibre photoelectric sensor and CCD color imager adapted to the light and colour sensation of dark eyes. The colour stimuli are constructed by the achromatic and chromatic colours. The relations of the hue, chroma and lightness in both the achromatic and chromatic colours used in the system are... View full abstract»

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  • Application of fault diagnosis expert system and advanced control strategies for polyethylene terephthalate production

    Publication Year: 1994, Page(s):468 - 471
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (252 KB)

    Polyethylene terephthalate (PET) is an important chemical material. Since the process to produce PET is complex, it is very difficult to control efficiently the whole process using conventional control methods. In this paper, we discuss the advanced control strategies and fault diagnosis expert system developed for PET synthesis View full abstract»

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  • Research on in-process measuring system of ultraprecision turning machine

    Publication Year: 1994, Page(s):429 - 433
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (260 KB)

    The ultraprecision machining at present is a key technique for the manufacture of components used for the systems in a variety of advanced science and technology application. Ultraprecision turning machine is a necessary condition of realizing ultraprecision machining. In process measuring system is the most important part of the machine. In this paper, some main problems on the system are studied... View full abstract»

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  • Design and analysis of discontinuous mode series resonant converter

    Publication Year: 1994, Page(s):486 - 489
    Cited by:  Papers (5)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (180 KB)

    This paper aims at designing a low power, off-line, high efficiency, complex in size, twin-capacitors half-bridge series resonant converter. It gives steps by steps design procedures of the discontinuous mode series resonant converter starting from power stage circuit design to feedback loop control design. The small signal analysis is based on the injected-absorbed current method View full abstract»

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  • A two-dimensional electrostrictive worktable for robot precise assembly

    Publication Year: 1994, Page(s):560 - 564
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (280 KB)

    A two-dimensional electrostrictive worktable with high precision, high response is presented. The worktable configuration, static characteristic and dynamic characteristic are described. The error analysis of the worktable is performed. The natural defects of the electrostrictive elements (hysteresis, creep) are solved. By combining the worktable with a general purpose industrial robot, a macro/mi... View full abstract»

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  • A study on analysis and synthesis methods of musical instrument tones with decimation and interpolation

    Publication Year: 1994, Page(s):646 - 650
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (280 KB)

    In this paper, we propose an analysis and synthesis method of musical instrument tones by using decimation and interpolation in digital signal processing. The musical instrument tones can be synthesized by extracting the parameter of the harmonic signal. By using decimation and interpolation, musical instrument tones can be resolved into single harmonic signal. We can extract the characteristic pa... View full abstract»

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  • Design and implementation of a microprocessor-based intelligent electronic meter

    Publication Year: 1994, Page(s):268 - 272
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB)

    This paper presents the design and implementation of a microprocessor-based intelligent electronic measuring apparatus. The meter can measure instantaneous values of voltage, current, and power of electrical power distribution systems. A novel random asynchronous sampling technique that samples voltages and currents at predetermined intervals is exploited so that circuit complexity can be reduced.... View full abstract»

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  • Neuron intelligent control for hydraulic turbine generators

    Publication Year: 1994, Page(s):288 - 292
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (220 KB)

    In this paper, Wang and Chen's (1991) intelligent control using an adaptive neuron for hydraulic turbine generators is studied. With the abilities of self-learning and associative search,the neuron intelligent controller runs without modeling. Such a controller is very simple and almost has no parameters to determine. The real-time dynamic simulation results show its good performance. It is very c... View full abstract»

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  • Information fusion method in fault detection and diagnosis

    Publication Year: 1994, Page(s):472 - 475
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (180 KB)

    In order to improve the reliability of fault detection and diagnosis (FDD) for dynamic system, it is important to make full use of the information from system knowledge and system measurements. This paper presents a scheme of information fusion in FDD. In the proposed scheme, the local fusion adopts multiple FDD strategies aiming at one measurement of the system, then the results of these strategi... View full abstract»

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  • Face recognition with eigenfaces

    Publication Year: 1994, Page(s):434 - 438
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (284 KB)

    Develops an approach to face recognition using eigenfaces, focusing on the effects of the eigenface used to represent a human face under several environment conditions. The authors first derive some computational feasible formula to find the eigenfaces, then investigate the relationship of mean absolute error between original face images and reconstructed images under various conditions such as fa... View full abstract»

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  • Adaptive static neural network control of robots

    Publication Year: 1994, Page(s):240 - 244
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    In the paper, a novel neural network model of robots is presented. Its structural properties, such as the linear-in-the-parameters dynamics, are investigated to facilitate controller design. Since the neural networks are used to model the inertia matrix D(g) and gravitational potential energy P(q) only, they are static networks and the size of the resulting model is much smaller than the dynamic o... View full abstract»

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  • The application of computer control in the left ventricular assist system

    Publication Year: 1994, Page(s):505 - 509
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (300 KB)

    A computer-controlled left ventricular assist device (LVAD) system is described in this paper. The system is controlled by a PC and a MCS-8098 single chip processer. Its implementor is a brushless DC motor. The inputs of the LVAD closed-loop system are the mean aortic pressure (A¯O¯P¯) and the cardiac output (CO) and the outputs are the stroke speed and distance of the assist blood ... View full abstract»

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  • Efficient trajectory planning for two manipulators to deform flexible materials

    Publication Year: 1994, Page(s):565 - 569
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    Coordinating two robot manipulators to handle flexible materials has a wide range of applications in the manufacturing industry. The two robot manipulators have to follow a complicated trajectories to maintain a minimum interaction force with the flexible beam. These trajectories are very complicated and not suitable for real time systems. In this paper, three approximation methods of the optimal ... View full abstract»

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