Control device for transport vehicle
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United States of America Patent
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Jun 2, 2020
Grant Date -
Sep 20, 2018
app pub date -
Mar 15, 2018
filing date -
Mar 17, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A control device for a transport vehicle configured to travel with a driving force output from an electric motor is provided. When the transport vehicle is driven by a driving force of the electric motor and a variation rate is equal to or less than a predetermined value while a parameter relating to a traveling speed of the transport vehicle is less than a first predetermined value, the control device sets a threshold value, at which an output limit of the electric motor is started based on a parameter relating to a temperature of the electric motor or a temperature of an electric device for driving the electric motor, to a variable value corresponding to a required driving force to the transport.
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