Remote Control System For Work Machine

Abstract: The present invention hedges a risk for a communication delay that may occur at the time of remote control of a work machine (1). A remote control system (100) for a work machine comprises: a monitoring device (25) that outputs monitoring data obtained by monitoring the surroundings of a movable work machine; a first assignment unit (21d) that assigns a first timestamp to the monitoring data; a storage device (42, 22) that stores a plurality of sets of monitoring data and first timestamps; a remote control terminal (30) that receives the monitoring data to display a monitoring result and is operated to transmit a remote operation signal; a second assignment unit (31d) that assigns a second timestamp to the remote operation signal; a signal reception unit (41a, 21a) that receives the remote operation signal, determines validity of the remote operation signal on the basis of the second timestamp of the remote operation signal and the first timestamp of the monitoring data stored in the storage device, and invalidates an inappropriate remote operation signal; and a control device (21) that controls the operation of the work machine on the basis of the remote operation signal determined to be appropriate.

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