| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a current from intensively flowing to one of phases causing breakage by automatically adjusting a lock position of a door motor when closing a door. <P>SOLUTION: An elevator door control device is provided for opening and closing the door by making a required current flow to the respective phases of the door motor 15. The device includes a lock position controller 25 for tentatively changing the torque of the door motor 15 and adjusting the lock position, so that the current does not intensively flow to one of the respective phases of the door motor 15, when locking the door motor 15 while the door is closed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
