Armstrong, Westerman, Hattori, McLeland & Naughton
Control system for vehicle automatic transmission
 A control system of a vehicle automatic transmission in which an engine load and a vehicle speed are detected and used to determine a vehicle acceleration in accordance with the pre-established characteristics. An actual vehicle acceleration is at the same time calculated in response to the detected vehicle speed. The difference therebetween is then calculated and the calculated value is added to a difference calculated earlier to obtain an average therebetween. Five gear shifting scheduling maps, for example, one for moderate hill climbing, one for level-road running, one for steep hill descent, are pre-established and in response to the average obtained, one of the maps is selected. A gear shifting is controlled based on the selected map. In a pre-determined condition, such as when the engine load changes abruptly, braking is in progress and so on, the map selection is suspended and the control is carried out using the map selected earlier. 
Honda Giken Kogyo Kabushiki Kaisha
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Satoru Hideo Hiroshi Hiroshi Keiichi Hideo Takafumi
Sunada Furukawa Ishikawa Yoshizawa Ishikawa Fukushi Maruyama