IEEE Workshop on Electronic Applications in Transportation

18-19 Oct. 1990

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Displaying Results 1 - 19 of 19
  • 1990 IEEE Workshop on Electronic Applications in Transportation (Cat. No.90TH0310-3)

    Publication Year: 1990
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    Freely Available from IEEE
  • Automotive semiconductor switch technologies

    Publication Year: 1990, Page(s):68 - 72
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    The automotive electronics intelligent power market is both large and varied, with currents from as low as 100 mA to higher than 30 A. Throughout this range there is a requirement for high and low-side drivers and bridge configurations. To meet the needs of these applications several integrated circuit technologies are employed. These include standard bipolar, power BIDFET, planar power and multid... View full abstract»

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  • A time-domain fixed-point approach to the design of robust controllers for vehicular systems

    Publication Year: 1990, Page(s):65 - 67
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (124 KB)

    The authors look at robust controllers for vehicular systems, namely, controllers that generate prescribed reference tracking in systems with uncertain parameters and structured disturbances. The basic objective is a design procedure based entirely on time-domain formulations and fixed point techniques in Banach space L∞. An illustrative design is given for typical braking and acceleration s... View full abstract»

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  • Onboard detection of internal combustion engine misfires

    Publication Year: 1990, Page(s):39 - 49
    Cited by:  Papers (2)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    The integrity of the exhaust emission system in a passenger vehicle can best be maintained by monitoring its performance continuously on board the vehicle. It is with the intent of monitoring emission system performance that the California Air Resources Board has proposed regulations which will require vehicles to be equipped with on-board monitoring systems. These proposed regulations are known a... View full abstract»

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  • Novel microprocessor-based tachometer using ramp-waveform sampling technique

    Publication Year: 1990, Page(s):58 - 64
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    The author looks at the development of a novel microprocessor-based tachometer using an innovative method, referred to as the `ramp-waveform sampling technique', to provide high accuracy and fast dynamic response while maintaining relative simplicity both in terms of the basic electronics and the computational algorithm. The ramp waveform is generated electronically by means of the `analogue integ... View full abstract»

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  • Identification of parameters of an AC machine from standstill time domain data

    Publication Year: 1990, Page(s):107 - 112
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB)

    The authors present an evaluation of the performance of the maximum likelihood (ML) method when used to estimate the linear parameters of a synchronous machine model from the standstill time-domain flux decay test data. It is shown that a unique set of parameters can be obtained and the noise effects can be dealt with effectively when the ML estimation technique is used. The results of study also ... View full abstract»

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  • Low cost sensorless switched reluctance motor drives for automotive applications

    Publication Year: 1990, Page(s):96 - 101
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (356 KB)

    The switched reluctance motor can be viable for various applications in the hostile environment of the automotive. The absence of shoot-through problems and simple unipolar power converter requirements give SRMs a definite edge over other type of motors. The absence of cogging torque in SRM is also a definite plus. A simple SRM drive system that can be used in automotive applications is presented.... View full abstract»

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  • Development of integrated semiconductor-type acceleration

    Publication Year: 1990, Page(s):35 - 38
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB)

    IC technology is applied to develop and integrated semiconductor automotive accelerometer combining the sensing element and the processing circuits. This sensor, when used with a thick-film substrate, supports user settings for acceleration detection sensitivity and output threshold, with a maximum acceleration detection range of 40g and a frequency range of from 0.6Hz to 100Hz View full abstract»

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  • `Intelligent discretes'-a technology bred by automotive requirements

    Publication Year: 1990, Page(s):85 - 91
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (512 KB)

    Intelligent discretes are three terminal power MOSFET devices with small transistors, diodes and resistors added to provide the intelligent device control. These devices are ideal for the automotive electrical system. The authors present these innovative devices, their characteristics and their protection techniques. The fabrication technology, and applications are discussed. Future directions tha... View full abstract»

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  • Automotive sensor applications

    Publication Year: 1990, Page(s):25 - 31
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB)

    The author looks at the features, approaches and technologies of sensors together with packaging problems and automotive applications. Areas of sensing discussed include piezoresistive sensing; capacitive sensing; pressure sensors; accelerometers; self-test features; and opto sensors View full abstract»

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  • The load dump [automobiles]

    Publication Year: 1990, Page(s):73 - 78
    Cited by:  Papers (6)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    Load dump is a condition observed in automobiles when the battery is disconnected from the rest of the power supply circuit while the alternator is generating. Recently the load-dump transient condition has been receiving more attention. The authors discuss testing and design issues associated with manufacturing semiconductor devices which are required to withstand various load dump specifications View full abstract»

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  • A new electronic controlled suspension using piezo-electric ceramics

    Publication Year: 1990, Page(s):50 - 57
    Cited by:  Papers (4)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (560 KB)

    A new electronic controlled suspension system called Piezo TEMS (Toyota electronic modulated suspension) is developed by using piezoelectric ceramics for a sensor, and an actuator. As a result, good drivability and vehicle stability can be obtained with an improved riding comfort View full abstract»

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  • PROFET II-a second generation family of smart power switches

    Publication Year: 1990, Page(s):102 - 106
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    A second generation family of smart power switches is described. PROFET switches are PROtected high side FET switches comprised of a vertical N-channel power MOSFET transition, with drive and protection functions implemented using high and low voltage CMOS logic. Functional diagrams, construction details, and chip technology are described. Device options are described which tailor operating charac... View full abstract»

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  • Power electronics for military vehicles

    Publication Year: 1990, Page(s):92 - 95
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB)

    Power electronics hold great promise for use in integrated electrical power systems for military vehicles. While some applications are uniquely military, quite a few could be carried over into the civilian sector. These include electric drives, electric actuators and onboard power generation management. Strictly military application include defense and armament View full abstract»

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  • Contactless position sensor for automotive applications

    Publication Year: 1990, Page(s):32 - 34
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (220 KB)

    The Philips KMZ10 magnetoresistive sensor is evaluated as an automotive contactless throttle position sensor. The device proves to provide the necessary performance in output signal versus angular displacement, linearity, and temperature behavior required for high reliability, cost-effective automotive application. The authors detail the approach taken to develop an operational prototype which is ... View full abstract»

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  • High capacity positioning and mobile phone system locator-(patent pending)

    Publication Year: 1990, Page(s):1 - 11
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (932 KB)

    The author presents a high capacity 3-dimensional radio location system which provides the geographic coordinates and elevation of a user, whether it be a person, an airplane, a car, a rescue helicopter, a school bus or a child playing. The locator's mobile unit is a handset. This is a small portable pocket set similar to the cellular mobile phone set. With this the user can send a radio pulse by ... View full abstract»

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  • Induction-motor-driven vehicle with vibration suppression using wheel torque observer

    Publication Year: 1990, Page(s):79 - 84
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (456 KB)

    The authors describe an induction-motor-driven vehicle, in which the regulator and the wheel torque observer suppress vibrations occurring when induction motors drive the power train of the vehicle under overload at high speed. The target system of the study is a hybrid vehicle consisting of a front engine-driven-system and two rear motor-driven-systems, which are designed to improve the driving s... View full abstract»

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  • Application of SAW convolver in rapid acquisition of Q-SS signals for mobile vehicle navigation and communication

    Publication Year: 1990, Page(s):12 - 15
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (188 KB)

    The authors prove that the output of a hard limit transponder with the input of Q-SS signals has no third band and fifth band intermodulation products though there are higher bank intermodulation products (IMP) which are very small and may be neglected. To solve the problem of the rapid acquisition of Q-SS signals, the authors discuss how to use the SAW convolver for the correlative processing of ... View full abstract»

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  • CD software specifications for vehicle information display system CD CRAFT (CD and CRT applied format)

    Publication Year: 1990, Page(s):16 - 24
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (628 KB)

    The authors describe a CD software format called CD-CRAFT, intended for use in vehicle information display systems (VIDS). The authors look at the development of media such as CD-ROMs; the present status of VIDS; the background factors involved in the format specification; the technical features; the VIDS configuration and CD specifications adopted for the implementation of the system; the details... View full abstract»

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