Honda Motor Co., Ltd.

Takeshi Yamaji

Takayuki Enomoto

Norikazu Shimizu

Fumio Minami

Hiroya Takahashi

Yuta Mizuno

A work machine comprises, a drive source, a working unit that includes a rotary member rotated by the drive source and performs a predetermined work by rotation of the rotary member, and a control unit that controls the drive source so that output of the rotary member partially takes different values in one rotation of the rotary member.

Work machine with a rotary member and torque control therefor

A system-interconnected inverter connected to a commercial system for supplying AC power, which inverter includes a switching device for turning on and off DC power based on a predetermined duty value to output a voltage whose frequency is the same as that of a system power source and a controller for controlling the switching device. The controller changes the duty value of the switching device in accordance with the value obtained by dividing the maximum value by the effective value of the output current from the switching device measured with the system-interconnected inverter disconnected from the system power source.

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Wako, Japan

Takeshi Yamaji