SERVO AMPLIFIER WITH REGENERATIVE FUNCTION
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United States of America Patent
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Issued Date -
Sep 17, 2009
app pub date -
Jan 21, 2009
filing date -
Mar 13, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A servo amplifier for a robot capable of avoiding an excessive capacity for dealing with a regenerative power to achieve downsizing, cost reduction and energy saving of the device. A servo amplifier for driving servomotors of a robot to perform an operation using an electric power from a power source. The servo amplifier comprises a changeable converter connected with the power source and a plurality of inverters electrically connected with the converter and the servomotors. The changeable converter is selectively provided as a converter having a regenerative function of returning a regenerative power generated in the servomotors to the power source, or a converter having a regenerative function of discharging the regenerative power through a resistor, depending on conditions of the operation by the robot.
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