Automatic Locator Rotation Angle Calibration
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Solution Overview
Problem
Current indoor location technology systems, such as RTLS, face challenges in accurately determining the location of objects due to manual installation errors of locator units, which can lead to incorrect rotation angles and subsequent inaccurate object location determination, especially when these units are moved or reoriented.
Innovation Solution
A method and system for automatically configuring and updating the rotation angles of locator units based on received dimensional values and a configuration table, allowing for real-time or near real-time maintenance of accurate orientation and location determination of objects within an environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual installation and configuration of locator units is performed, then installation flexibility is maintained, but installation errors occur leading to incorrect rotation angles and inaccurate object location determination
Solution Approach 1:
The locator unit automatically determines its own rotation angles by sensing its mounting orientation and storing these angles in its memory, eliminating the need for manual configuration. The unit self-calibrates by detecting the orientation of its antenna array relative to its housing and automatically configures its rotation angles based on this detected orientation, thereby achieving accurate object location determination without manual intervention.
2Adaptability or versatility
If locator units are moved or reoriented after installation, then deployment flexibility is improved, but rotation angles become outdated leading to location determination errors
Solution Approach 1:
The locator unit continuously monitors its orientation through sensing elements that detect the mounting orientation of the antenna array. When the unit is moved or reoriented, the sensing elements detect the new orientation, and the processor automatically updates the rotation angles stored in memory to reflect the current configuration. This feedback mechanism ensures that the rotation angles remain accurate even after relocation or repositioning of the locator unit.
3Measurement precision
If automatic commissioning with sensing elements is implemented, then rotation angle accuracy is improved, but device complexity increases
Solution Approach 1:
The locator unit integrates multiple functions into a single device: it performs both the sensing of its own mounting orientation and the determination of object locations. The same processor that calculates object positions also processes sensor data to determine rotation angles, and the same memory stores both rotation angle information and object location data. This multi-functionality reduces overall system complexity while maintaining accurate rotation angle determination.
Data Source
AI summary
Method, apparatuses, and computer program products for automatically configuring one or more rotation angles for one or more associated locator units. An example method comprising receiving, from the one or more locator units, one or more dimensional values pertaining to the orientation of the one or more locator units; determining, based at least in part on the one or more received dimensional values for each of the one or more locator units and a configuration table pertaining to the locator unit type, one or more rotation angles for each of the one or more locator units; storing the one or more rotation angles for the each of the one or more locator units in an associated memory; and determining a location for one or more objects in an environment based at least upon the one or more rotation angles for each of the one or more locator units.