Recharging Dock Signal Emitter Segmentation for Robot Alignment
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Solution Overview
Problem
Conventional recharging docks for intelligent robots face challenges in accurate alignment due to large overlapping areas of signal ranges, leading to inconsistent recharging processes when the robot attempts to self-position for charging.
Innovation Solution
The recharging dock employs a signal emission device with strategically arranged signal emitters and channels, where the first distance between the center points of the openings is greater than the distance between the emitters, reducing the overlapping area and allowing for precise determination of the robot's position, enabling accurate alignment and enlarged signal reception range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If signal emitters are arranged with small separation to ensure comprehensive signal coverage, then the signal reception range is enlarged, but the overlapping area of signal ranges increases leading to inaccurate robot positioning
Solution Approach 1:
The signal emission system is segmented into multiple independent signal emitters (first signal emitter and second signal emitter) with distinct emission channels. Each emitter operates independently with a specific signal range, allowing the system to segment the positioning space into distinct zones. This segmentation enables accurate determination of robot position by identifying which emitter's signal range the robot is in, resolving the contradiction between coverage and precision.
Solution Approach 2:
Different signal emitters are assigned different local qualities in terms of signal characteristics and emission parameters. The first signal emitter and second signal emitter have different signal ranges and emission channels, creating locally optimized signal zones. This local quality differentiation allows each emitter to be optimized for its specific zone while maintaining overall system accuracy, preventing the overlap problem that would occur with uniform emitter configurations.
2Area of stationary object
If signal emitters are placed close together to reduce device size, then the recharging dock compactness is improved, but the ability to accurately determine robot position deteriorates
Solution Approach 1:
The patent transitions from a two-dimensional planar arrangement of signal emitters to a three-dimensional spatial configuration. Signal emitters are positioned at different heights and angles, creating立体 signal coverage zones. This dimensional change allows the recharging dock to maintain a compact footprint while achieving accurate position determination through spatial differentiation of signal ranges, effectively resolving the contradiction between compactness and positioning accuracy.
3Ease of operation
If the robot self-positioning process is made fully automatic, then user operation complexity is reduced, but alignment accuracy between robot and recharging dock deteriorates
Solution Approach 1:
The patent implements a feedback mechanism where the recharging dock continuously emits signals and receives responses from the robot to determine its position. Based on this feedback information, the system can guide the robot to adjust its position and orientation. This closed-loop feedback control enables automatic operation while maintaining high alignment accuracy, as the robot receives real-time positional feedback and can make corrective adjustments without user intervention.
Data Source
AI summary
The present disclosure relates to a recharging robot system. The recharging robot system may include a signal emission device including at least one signal emission channel. The at least one signal emission channel each comprises an opening. A distance between two central axes of any two adjacent signal emission channels is gradually increased along a direction facing away the signal emitters. As such, an overlapping area of signal ranges of the at least two signal emitters may be reduced, and the robot may accurately determine which signal range that the robot is within, so as to accurately align with the recharging dock.