Sensor Unit Setup Assistance for Linear Reference Alignment
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Solution Overview
Problem
Conventional setup assistance systems for construction machine sensor units are primarily designed for planar references and inadequately support the setup of sensor units for linear references, such as static laser beams, requiring manual and inaccurate methods for alignment.
Innovation Solution
A setup assistance system that detects and displays the position of a reference in at least two dimensions, including translational and rotational dimensions, using visual displays like LEDs or alphanumeric/LCD displays, and provides a drive for adjusting the sensor unit orientation, enabling precise alignment of sensor units relative to external references like wire or laser beams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional setup assistance systems are used for sensor units, then planar references can be detected and aligned, but linear references cannot be properly aligned requiring manual adjustment
Solution Approach 1:
The setup assistance system is designed to detect and display positions for multiple types of references (planar and linear) using the same hardware and software architecture. The system universally applies 2D position detection and display mechanisms to different reference geometries, eliminating the need for separate manual alignment procedures for linear references.
Solution Approach 2:
A display unit acts as an intermediary between the sensor unit and the operator, translating complex spatial relationships into intuitive 2D position representations. This intermediary interface enables operators to align both planar and linear references using the same visual feedback mechanism, simplifying the alignment process across different reference types.
2Measurement precision
If manual alignment methods are used for sensor units, then setup time is lengthy and imprecise, but automated systems only work for planar references
Solution Approach 1:
The system replaces manual mechanical alignment methods with an automated detection and display system. Sensors automatically detect the position of linear references, and the display unit presents this information in a visually intuitive format, enabling precise alignment without manual measurement tools like yardsticks.
Solution Approach 2:
The system provides continuous visual feedback about the sensor unit's position relative to the reference in two dimensions. This feedback loop enables operators to make precise adjustments by observing real-time position information, achieving high alignment accuracy for both planar and linear references through iterative correction based on displayed data.
3Productivity
If 2D position detection and display is implemented, then setup speed and accuracy improve, but system complexity increases
Solution Approach 1:
The system projects 3D spatial relationships onto a 2D display interface, making complex positional information visually accessible and easy to interpret. By representing sensor position and reference position in two dimensions on the display, the system enables rapid comprehension and adjustment without requiring complex 3D visualization or additional physical components.
Data Source
AI summary
A construction machine includes a sensor unit having a measurement range. The sensor unit is variable in its orientation relative to the construction machine, whereby position or orientation of the measurement range relative to the construction machine is also variable. The sensor unit is configured for detecting position of an external reference. The construction machine further includes a setup assistance system including a display configured to indicate to an operator while the sensor unit is oriented relative to the reference in which direction the sensor unit has to be moved in order for the reference to be located in the measurement range. The sensor unit is configured to detect a position of the reference relative to the sensor unit in at least two dimensions, and the display is configured to display the position of the reference relative to the measurement range for the at least two detected dimensions simultaneously.