Elevator speed control device, elevator speed controlling method and elevator speed controlling program
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United States of America Patent
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-
Jun 7, 2011
Grant Date -
Oct 15, 2009
app pub date -
Jul 6, 2006
filing date -
Jul 11, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An elevator speed governor for an elevator in which an elevator car (1) is attached to one end of a rope (2) having a counterweight (3) on the other end and driven by a motor (5) via the rope (2) comprises a motor current detector (15) that detects a motor current of the motor (5), a target speed determining section (11) that determines a target speed in accordance with the motor current detected by the motor current detector (15), and a motor control section (13) that controls the motor (5) so that the elevator car (1) moves at the target speed determined by the target speed determining section (11).
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