| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an elevator control method capable of improving control efficiency. <P>SOLUTION: The elevator apparatus includes: a motor for driving an elevator; a motor position measurement unit which calculates a positional value of the motor and transfers it to an elevator control device; a position storage unit which stores the positional value of the motor; a condition return position control unit which receives the positional value of the motor from the position storage unit for every first cycle, receives a speed of the motor, and outputs a torque control value for controlling the motor; a condition estimation unit which estimates the speed of the motor based on the torque control value and the positional value for every second cycle and transfers it to the condition return position control unit; a vector control unit which generates a current control value based on the torque control value and outputs a voltage control value according to the current control value and the current control value; and a motor drive unit which controls a driving power source of the motor according to the voltage control value. <P>COPYRIGHT: (C)2013,JPO&INPIT |
