CPC E02F 3/652 (2013.01) [E02F 3/6481 (2013.01); E02F 3/651 (2013.01)] | 17 Claims |
1. A control method to operate a scraper over ground, the scraper having a first actuator coupled to a front portion of a bowl and a second actuator coupled to a rear portion of the bowl, the control method comprising:
receiving a signal indicative of a desired attack angle between a cutting edge of the scraper and the ground;
receiving a height control signal, from an operator interface, to control a cutting edge height;
receiving one or more measuring signals from one or more sensors;
calculating a measured attack angle based on the one or more measuring signals;
comparing the measured attack angle and the desired attack angle;
outputting at least one control signal commanding movement of the bowl of the scraper based on the height control signal and a result of the comparing the measured attack angle and the desired attack angle; and
in response to the at least one control signal, extending or retracting at least one of the first actuator coupled to the front portion of the bowl and the second actuator coupled to the rear portion of the bowl to move the bowl.
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