INDUSTRY
Machine guidance, machine control The integrated machine guidance system on the DX225LC-7X uses sensors mounted on the front and body to recognise the location of each working device and inform/guide it for the operator. Feedback to the operator is provided through audio and visual displays, which allow improved control of the machine in relation to the intended or designed direction of travel. In the onboard machine control system, the sensors mounted on the front and body recognise the location of each working device and support/adjust the front operation to the work as planned. In this way, when the operator uses the arm, bucket or boom, they follow the target line. Thanks to the laser receiver, the system will always receive the reference point, even when the machine changes position, without the operator having to reset the reference point every time the machine is moved. When the DX225LC-7X is delivered to the customer, all the sensors are already calibrated. But the buckets to be used by the customer need to be calibrated, and no specific tools are needed for this. The system will ask the operator to enter the required measurements to finalise the calibration process with around an hour needed to calibrate three buckets.
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Three major machine control functions
Weighing System and Lift Assist
There are three major push-button machine control functions: • Grade Assist and Bucket Assist • Swing Assist and Swing Limit • Virtual wall – ceiling/bottom/wall/ swing/cab avoidance/track avoidance/ dozer avoidance When the Grade Assist mode is set, the boom and bucket are activated in green according to the mode setting in the instrument panel icon. When the Bucket Assist function is activated, the current angle is memorised. When the driver operates the bucket joystick, the last value is memorised after ceasing operation. When Bucket Assist mode is on, the bucket is green on the instrument panel icon.
The Weighing System and Lift Assist function measures and displays the current weight of the bucket as the operator is loading materials and warns the driver when the total loading weight exceeds the target. Doosan is hoping to provide even more on the DX225LC-7X and is currently working on other additional features including: • Upgrade to full Trimble GPS 3D (optional) • Engcon ready from factory (Plug and Play) • Tilting bucket for 2D machine guidance
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