回転域

WO2014147904(JP)
"13. A method for controlling a motor generator having a rotor with magnet, and a stator with coils driven in a plurality of phases, the coils of each phase not being connected to each other,
wherein when a number of rotations of the rotor is in a low rotation range, some coils among of the plurality of phases are brought into a state in which both ends of a coil are electrically released, and
wherein when a number of rotations（回転数）of the rotor is in a high rotation range（高回転域）, some coils among of the plurality of phases are brought into a state in which both ends of a coil are short-circuited."

US2015362026(JP)
"1. A starting clutch control device for an automatic transmission comprising:
a starting clutch controller,
wherein the starting control device controls a transmission torque capacity of a starting clutch interposed in a transmission path in which rotation of the power source is transmitted to wheels while shifting is underway by the automatic transmission,
wherein the starting clutch controller controls the transmission torque capacity of the starting clutch in such that a rotation trajectory of the power source develops as desired in a low rotation speed range（低回転域）in which the transmission torque capacity control of the starting clutch is necessary, and
wherein the starting clutch controller causes the transmission torque capacity of the starting clutch to change, when a shift of the automatic transmission occurs during the transmission torque capacity control by the starting clutch controller, in a direction in which the change in the rotation trajectory will occur corresponding to the shift."