Autonomous Vehicle Localization Accuracy and Speed Control
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Solution Overview
Problem
Current localization methods for autonomous transport vehicles in manufacturing facilities lack precise spatial and temporal accuracy, leading to inefficient vehicle operation and potential safety risks due to the need for worst-case considerations.
Innovation Solution
A communication system method involving continuous transmission and reception of localization signals, calculation of exact reception times, and assessment of localization accuracy, allowing for adaptive control of vehicle movement speed and path adjustments based on accuracy levels, with synchronization parameters for improved timing and phase alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If worst-case localization accuracy is used for all areas and times, then safety is ensured, but vehicle operational efficiency decreases
Solution Approach 1:
The system determines localization accuracy specifically for the current position and direction of the vehicle rather than using a uniform worst-case value for all areas. This allows the vehicle to operate with higher efficiency in areas with good localization accuracy while maintaining safety through appropriate speed adjustments only where needed.
Solution Approach 2:
The localization accuracy value is dynamically determined based on current position, direction, and environmental factors rather than being static. The system continuously updates the accuracy assessment and adjusts vehicle parameters in real-time, allowing efficient operation when conditions permit while maintaining safety when conditions require caution.
2Speed
If high localization accuracy is achieved, then vehicle speed can be increased, but system complexity increases
Solution Approach 1:
The vehicle itself determines its localization accuracy by performing measurements and calculations using its own sensors and processing units. The vehicle autonomously assesses its position, compares it with reference data, and determines the accuracy value without requiring complex external infrastructure, thereby enabling speed increases while limiting system complexity.
Data Source
AI summary
A device and method for operating a communication system.