CONTROL SYSTEM AND METHOD FOR CONTROLLING OPERATION OF AN UNDERGROUND MINING MACHINE
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United States of America Patent
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Issued Date -
Oct 18, 2018
app pub date -
Apr 18, 2017
filing date -
Apr 18, 2017
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Abstract
A control system for controlling operation of a cutter motor and a cutter boom movement mechanism of a machine includes a sensor that measures an amount of load associated with the cutter motor. A controller determines whether the load on the cutter motor is different from a cutter motor load limit. If so, the controller is configured to adjust a velocity of the cutter boom movement mechanism relative to a tip velocity of a rotary cutting tool associated with the machine based on the difference between the measured cutter motor load and the cutter motor load limit until a torque error of the cutter motor reaches a particular value, for instance, zero. Moreover, the controller may also adjust a current speed of the cutter motor in driving the rotary cutting tool based on the adjusted velocity of the cutter boom movement mechanism.
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