Communications: electrical – Land vehicle alarms or indicators – Of collision or contact with external object
Patent
1995-05-25
1997-05-13
Mullen, Thomas
Communications: electrical
Land vehicle alarms or indicators
Of collision or contact with external object
340435, 340903, B60Q 100
Patent
active
056296690
ABSTRACT:
A driver regards a relative acceleration of a subject vehicle with respect to an object such as a preceding vehicle, an obstacle and the like as one having highest priority, and performs control such that deceleration is immediately started even if a relative velocity is small if the relative acceleration is large. Taking note of this point, the relative acceleration between the subject vehicle and the object is detected, and it is judged whether or not the subject vehicle and the object relatively approach each other at a relative acceleration not less than a predetermined value. A vehicle velocity is controlled such that the relative acceleration is not more than a predetermined target relative acceleration (for which a direction for approach is positive) when the subject vehicle and the object relatively approach each other at a relative acceleration not less than the predetermined value. Thus, the start of deceleration felt by the driver is adequate.
REFERENCES:
patent: 4706195 (1987-11-01), Yoshino et al.
patent: 4947952 (1990-08-01), Kajiwara
patent: 5173859 (1992-12-01), Deering
patent: 5355118 (1994-10-01), Fukuhara
patent: 5377108 (1994-12-01), Nishio
F. Ackemann, "Abstandsregelung mit Radar", Spectrum der Wissenschaft, pp. 25-34, Jun. 1980.
Asano Katsuhiro
Hattori Yoshikazu
Mizukoshi Masashi
Shigematsu Takashi
Mullen Thomas
Pope Daryl C.
Toyota Jidosha & Kabushiki Kaisha
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