Robotic Docking Station Roller Assembly Alignment
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Solution Overview
Problem
Robotic platforms face inaccurate docking due to varying precision of localization sensors and environmental factors, especially in outdoor conditions, leading to inefficiencies and increased costs in maintenance and repair operations.
Innovation Solution
A docking station with a ramp and roller assembly that aligns and docks robotic platforms within a 0-15 degree angle range, using a roller backstop assembly and docking arm to ensure accurate and automatic charging, eliminating the need for high-end electronic positioning systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional localization sensors (GPS, imaging, LiDAR, SONAR) and complex software are used for docking, then the robotic platform can initiate a docking sequence, but the docking accuracy deteriorates due to varying precision levels and environmental factors
Solution Approach 1:
The patent replaces electronic localization sensors and software-based docking systems with a mechanical guidance system consisting of guide rails and alignment features. The robotic platform uses physical mechanical interfaces to align and dock with the charging station, eliminating reliance on imprecise electronic sensing in outdoor environments.
2Extent of automation
If electronic localization systems are used for docking, then automated docking can be initiated, but the system complexity increases due to multiple sensors and software requirements
Solution Approach 1:
The patent extracts and removes the complex electronic sensor suite and software processing requirements from the docking system. By eliminating GPS, imaging, LiDAR, and SONAR sensors along with their associated localization software, the system achieves automated docking through simple mechanical guidance alone.
Solution Approach 2:
The robotic platform's own drive wheels and mechanical structure serve the dual purpose of both propulsion and docking alignment. The platform uses its existing mechanical components to physically guide itself into the correct docking position without requiring separate sensing and control systems.
3Reliability
If traditional docking methods are used, then charging can be performed, but the system is sensitive to environmental factors (mud, snow, rain, gravel) that cause localization errors
Solution Approach 1:
The patent replaces electronic sensing systems that are vulnerable to environmental interference with a mechanical guidance system. The physical guide rails and alignment features provide reliable docking guidance regardless of mud, snow, rain, or gravel conditions that would disrupt electronic sensors.
Data Source
AI summary
Various embodiments are directed to a docking station for a robotic platform. The docking station may include a ramp having a first side and a second side opposing the first side, a base pad, a roller assembly, and a roller backstop assembly. The roller assembly may be coupled to the ramp and the base pad. The roller assembly may be configured to allow a robotic platform being driven towards the ramp to continue powered travel onto the ramp for docking when the robotic platform approaches the ramp within an angle range of 0 and 15 degrees with respect to either of the first and second sides of the ramp. The roller backstop assembly may be coupled to the roller assembly and the base pad. The roller backstop assembly may receive the robotic platform from the roller assembly to dock the robotic platform.