System for seamless transition of handling broken lines during excavation tasks
The controller system, aided by sensors and computing units, enables the excavator to seamlessly cross the break line, solving the problem of low efficiency in existing technologies and improving the operating accuracy and efficiency of the excavator.
CN117418577BActive Publication Date: 2026-07-10LEICA GEOSYST TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- LEICA GEOSYST TECH
- Filing Date
- 2023-07-11
- Publication Date
- 2026-07-10
AI Technical Summary
Technical Problem
Existing excavators struggle to achieve seamless crossings when dealing with break lines, often resulting in secondary excavation of residue and low efficiency.
Method used
A controller and sensor system is employed to acquire the position and orientation data of the excavating tool through sensors. Combined with a computing unit and input interface, it enables semi-automatic or automatic control of the tool to achieve parallel alignment and seamless crossing with the break line.
Benefits of technology
This technology enables excavators to seamlessly cross the break line, avoiding secondary excavation of residue and improving excavation efficiency and accuracy.
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Smart Images
Figure CN117418577B_ABST
Abstract
System for seamless transition of broken line during excavation tasks. The invention relates to a controller for an excavating machine, the excavating machine comprising a tool, an arm, a set of sensors, and a chassis. The sensors are configured to provide data related to a pose of the tool. The controller comprises an input interface and a computing unit. The input interface is configured to receive an operator steering command. The computing unit is configured to read a design model and to reference the pose of the tool against the design model, the design model comprising two interconnected polygons defining a broken line. The controller is configured to perform a semi-automatic broken line transition. The semi-automatic broken line transition function comprises: identifying a broken line transition movement based on the operator steering command and the pose of the tool relative to the broken line; and generating an operator steering command adjustment command to align the tool to the broken line based on the pose of the tool and the operator steering command.
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