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1. (WO2017149590) MOTOR CONTROL METHOD AND CONTROL DEVICE

Pub. No.:    WO/2017/149590    International Application No.:    PCT/JP2016/056009
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Tue Mar 01 00:59:59 CET 2016
IPC: B63H 21/20
Applicants: NIIGATA POWER SYSTEMS CO., LTD.
新潟原動機株式会社
Inventors: KODERA, Masanori
古寺 正識
TAKEI, Koji
竹居 浩二
TASHIRO, Shinji
田代 信治
Title: MOTOR CONTROL METHOD AND CONTROL DEVICE
Abstract:
[Problem] During hybrid propulsion of a ship, to assist a motor using an assist torque command value obtained by PID calculation of the deviation between a present value and a target value for main engine output and to efficiently operate a governor-controlled main engine. [Solution] A ship propulsion device 1 that has: a propeller 9; a main engine 2 that is controlled by a governor 3; a motor 14 that has torque control performed thereon by an inverter 12; and a controller 4. A PID regulator 25 of the controller controls the inverter using an assist torque command value obtained by PID calculation of the deviation between a present value and a target value for main engine output, and, as a result, distribution of main engine output and motor assist amount can be optimized, and the governor-controlled main engine can be efficiently operated.