Vehicle guided by the individual torque applied to its driving w

Details Vehicle guided by the individual torque applied to its driving w Vehicle guided by the individual torque applied to its driving w

1984-07-09

1986-04-01

Pekar, John A.

Motor vehicles

Steering by driving

Independently operable drive motors

180212, 180308, B62D 1104

Patent

active

045791813

ABSTRACT:
A land vehicle for producing side-slip of the rear wheels while the front wheels determine a curved path of travel having a short radius comprises four driving wheels having a fixed orientation in the longitudinal direction of the vehicle. Each wheel (1, 2) is associated with an individual electric motor. After detecting its angular position, the speed of the wheels is controlled in dependence on a reference value which is determined as a function of a desired path of travel. The ratio of maximum tangential force (T1 or T2) transmitted to the periphery of the wheel to weight (P1 or P2) transmitted to the ground by said wheel is lower than the usual coefficient of friction of the wheel with the ground in the case of the two front driving wheels (1) and higher than the usual coefficient of friction of the wheel with the ground in the case of the two other driving wheels (2) which are closer to each other than the front wheels (1).

REFERENCES:
patent: 3656570 (1972-04-01), Gortnar et al.
patent: 3970160 (1976-07-01), Nowick
patent: 4235297 (1980-11-01), Porta

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