A comprehensive examination is carried out to determine the basic system constraints and required operational characteristics for anticipatory sensing of impending automobile crashes. This is followed by consideration of a wide variety of possible sensing techniques and selection of those deserving of further study. Two methods are chosen, microwave radar and ultrasonic sonar, and the advantages, weaknesses, and uncertain areas of both are delineated. Realization of both sensors is described. The radar sensor, comprising standard microwave components and solid state circuitry, was installed on a test vehicle for characterization. Results are promising, but preliminary. The sonar approach is a translation of the radar sensor into acoustic form. (Author)


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    Title :

    Development of anticipatory Automobile Crash Sensors


    Contributors:
    by Hopkins (author) / Holmstrom (author) / Apgar (author) / Hazel (author) / White (author)

    Publication date :

    1971


    Size :

    106 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Development of Anticipatory Automobile Crash Sensors

    J. B. Hopkins / F. R. Holmstrom / E. G. Apgar et al. | NTIS | 1971


    Development of Anticipatory Automobile Crash Sensors

    J. B. Hopkins / F. R. Holmstrom / E. G. Apgar et al. | NTIS | 1971


    Development and Evaluation of Anticipatory Crash Sensors for Automobiles

    J. Hopkins / F. R. Holmstrom / M. Hazel et al. | NTIS | 1974


    Anticipatory crash sensors for passiv restraint deployment

    Hopkins, J.B. / Holstrom, F.R. | Tema Archive | 1972