Title:
ELEVATOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/104809
Kind Code:
A1
Abstract:
Disclosed is a multi-drive system elevator control device that can reduce the gate signal wires between a gate amplification device and power conversion devices, and in which increasing noise resistance in the gate signal is possible. The elevator control device is provided with at least two drive control devices, an electric motor that is controlled by each of the drive control devices and drives the elevator, and power conversion devices that are disposed in each of the drive control devices and supply power to the electric motor, wherein the elevator control device is equipped with a speed control device that is disposed in one drive control device and outputs a torque command on the basis of a speed command, a torque distribution device that is disposed in one drive control device and distributes the torque command into distributed torque commands to each drive control device, and a communication device that transmits the distributed torque commands to the other drive control device, and the power conversion device disposed in the other drive control device is configured in manner such that power is supplied to the electric motor in accordance with the distributed torque command that was transmitted from the communication device.
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Inventors:
HIRABAYASHI KAZUFUMI (JP)
Application Number:
PCT/JP2010/052698
Publication Date:
September 01, 2011
Filing Date:
February 23, 2010
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
HIRABAYASHI KAZUFUMI (JP)
HIRABAYASHI KAZUFUMI (JP)
International Classes:
H02P5/46; B66B1/30
Foreign References:
| JPH0733342A | 1995-02-03 | |||
| JP2008156071A | 2008-07-10 | |||
| JPH0538182A | 1993-02-12 |
Other References:
See also references of EP 2541754A4
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
Takada 守 (JP)
Takada 守 (JP)
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Claims: