F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 59/66 (2006.01) B60K 23/00 (2006.01) F16H 61/20 (2006.01) G01N 3/00 (2006.01) F16H 59/14 (2006.01) F16H 59/38 (2006.01) F16H 59/46 (2006.01)
Patent
CA 2348080
When a road surface gradient is calculated by a wheel driving force and a vehicle acceleration, if the wheel driving force is calculated based on an output torque of an engine (1), the accuracy of calculating the wheel driving force, i. a., the road surface gradient becomes poor due to deterioration by aging of the engine or the like. In order to solve this kind of disadvantage, a fluid transmission torque (TQtr) of a torque converter (2) is calculated by those torque ratio (.kappa.) of the torque converter (2) and an input shaft torque coefficient (.tau.) which correspond to a speed ratio (etr) of the torque converter (2), and an input rotational speed (Ne) of the torque converter (2) (= engine rotational speed (step S21-3). The road surface gradient is calculated by using a wheel driving force to be calculated by this torque (TQtr).
Fujimoto Shuichi
Miyazaki Tetsushi
Saotome Hiroshi
Goudreau Gage Dubuc
Honda Giken Kogyo Kabushiki Kaisha
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