| 摘要 |
The present invention provides a solution that enables a single rotary laser apparatus to control more than one construction machines so that the construction machines can simultaneously level the terrain up or down to different elevations, respectively. A construction machine control system (100) according to the present invention comprises a rotary laser apparatus (151) that emits at least two fan-shaped laser beams diverted in a plane other than horizontal plane while rotating the laser beams about a given axis, an optical sensor (154) mounted on a construction machine (502) to receive the fan-shaped laser beams, a GPS receiver mounted on the construction machine to determine a position of the construction machine, and an arithmetic operation device mounted on the construction machine, where one of the fan-shaped laser beams is emitted at different elevation or depression angle from that of the other, and the arithmetic operation device receives a detected signal from the GPS receiver to determine the position of the construction machine and also receives a delay between times when the optical sensor receives the fan-shaped laser beams, respectively, to compute and produce a control signal over the construction machine.
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