A vehicle longitudinal control scheme for clearance control and vehicle test results are presented in this paper. String stability has been taken into account in control scheme designs. The vehicle longitudinal control scheme consists of a set-speed control algorithm, a speed-control algorithm, and a distance control algorithm. A vehicle acceleration control algorithm for the control of vehicle-to-vehicle relative speed and clearance has been designed. Desired vehicle acceleration has been computed based on vehicle range measurement and vehicle-to-vehicle communication has not been used in the control algorithm. The control algorithm has been designed to guarantee the string stability of stop and go vehicles in a vehicle stream without vehicle-to-vehicle communication. Performance of the control algorithm has been investigated via both simulations and vehicle tests. Vehicle clearance control performance has been studied via vehicle tests. Vehicle tests have been conducted using two test vehicles. A 2000cc passenger car equipped with a radar distance sensor, throttle/brake actuators and a controller has been used as a subject vehicle in the vehicle tests. A millimeter wave radar sensor has been used for distance measurement. It has been shown that the vehicle longitudinal control algorithm can provide satisfactory clearance control performance with string stability.


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    Title :

    Vehicle tests of longitudinal control algorithm for stop and go cruise control


    Additional title:

    Fahrzeug-Fahrtestalgorithmus für die Steuerung des Stop- und Fahrbetriebs


    Contributors:
    Yi, K. (author) / Moon, I. (author) / Min, S. (author) / Yoon, H.J. (author) / Ryu, N. (author) / Huh, K. (author)


    Publication date :

    2002


    Size :

    6 Seiten, 8 Bilder, 21 Quellen


    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English





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