| 摘要 |
The power transfer of power developed in an internal combustion engine, connected to a variable ratio transmission and more particularly to a hydraulic transmission including a hydraulic pump, or compressor, in a hydraulic circuit with a hydraulic motor, is controlled by obtaining signals representative of engine controller position, engine output torque (that is, transmission input torque), transmission output torque, engine speed, and effective ratio of speed (or torque) transmitted by the transmission from the engine to the transmission output. A control unit accepts all the foregoing parameters, and logically combines the parameters to provide an output to control the transmission ratio, and flow of hydraulic fluid in the hydraulic transmission, for example by appropriate setting of the swash, or wobble plate of swash plate hydraulic engines in accordance with characteristic transfer functions of the sensed parameters with respect to signals as actually derived and representative of the sensed parameters. |
