Industrial Vehicle Distance Sensor Calibration via Roll Axis Yaw Measurements
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Solution Overview
Problem
Traditional methods for calibrating distance and range measurement devices on industrial vehicles require separate laptops, adapters, special software, and alignment gauges, making the process cumbersome and inefficient.
Innovation Solution
A calibration process using a level floor and software on the industrial vehicle, which allows for automatic or manual adjustment of the devices via motors or technician intervention, eliminating the need for external equipment and enabling calibration without a separate laptop or special software.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional calibration methods using separate laptops, adapters, and alignment gauges are used, then measurement precision can be achieved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The patent combines the calibration function directly into the industrial vehicle's control system, eliminating the need for separate calibration equipment. The control system integrates the emission source, detection, and processing functions, allowing calibration to be performed using the vehicle's own systems rather than external devices.
Solution Approach 2:
The industrial vehicle performs its own calibration using internally generated emissions and detection systems. The vehicle's control system automatically manages the calibration process by generating emissions, detecting reflections, and adjusting parameters without requiring external calibration equipment or separate operational systems.
2Measurement precision
If traditional calibration methods requiring separate laptops and software are used, then measurement precision can be maintained, but ease of operation and productivity deteriorate
Solution Approach 1:
The calibration process is automated within the vehicle's control system, eliminating manual intervention with external equipment. The system automatically generates emissions, detects reflections, processes data, and adjusts calibration parameters without requiring operators to manually configure separate devices or use external software.
Solution Approach 2:
The control system continuously monitors detection signals from emissions reflections and uses this feedback to automatically adjust calibration parameters. The system processes detection data in real-time and makes iterative adjustments to achieve accurate calibration, improving efficiency through automated feedback loops rather than manual measurement and adjustment cycles.
3Ease of operation
If calibration is performed without integrated control system, then ease of operation improves, but measurement precision and reliability deteriorate
Solution Approach 1:
The control system processes detection signals and automatically adjusts calibration parameters based on real-time feedback from emission reflections. This closed-loop feedback ensures reliable calibration by continuously monitoring and adjusting parameters to achieve the desired accuracy, maintaining both simplicity and reliability.
Solution Approach 2:
The patent replaces manual mechanical calibration procedures with electronic control and automated processing. The control system uses electronic emissions and digital signal processing to achieve calibration, eliminating the need for manual alignment and mechanical adjustment while improving reliability through precise electronic control.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate and efficient calibration of distance and range measurement devices on industrial vehicles, improving operational efficiency by simplifying the calibration process and reducing reliance on external tools.
Implementation Method 1
a first measurement of an emission (e.g., a laser beam) from the distance and range measurement device at a first yaw angle relative to a roll axis of the distance and range measurement device
Implementation Method 2
Light detection and ranging (LIDAR) devices
Data Source
AI summary
A process for calibrating a distance and range measurement device coupled to an industrial vehicle comprises taking a first measurement of an emission from the device at a first yaw angle relative to a roll axis of the device. A second measurement of the emission at a second yaw angle relative to the roll axis is taken. The second yaw angle is within an angular tolerance of the first yaw angle but in an opposite direction. The device is calibrated relative to the roll axis when the first and second measurements are within a tolerance of each other.