Self-Aligning Docking Interface for Precise Vehicle Positioning
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Solution Overview
Problem
The docking operation between a passenger compartment and a flying machine, particularly in autonomous systems, is challenging due to the need for numerous sensors and actuators to correct the position, making it difficult to achieve a stable and precise docked position.
Innovation Solution
A positioning device with complementary cylindrical and frustoconical portions of revolution, along with oval sections, that allow for automatic alignment and immobilization of the parts in the docked position, utilizing a telescopic rod mechanism and locking system for precise positioning and stabilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If numerous sensors and actuators are used to correct the position of the flying machine, then the positioning precision is improved, but the device complexity increases
Solution Approach 1:
The docking system uses self-aligning geometric features (cylindrical portion entering frustoconical portion, complementary oval sections) that automatically guide the flying machine to the correct position without requiring active sensing or actuation. The geometry itself provides the positioning function, eliminating the need for numerous sensors and actuators.
Solution Approach 2:
The patent replaces complex sensor-actuator control systems with a passive mechanical guidance system based on geometric constraints. The cylindrical-frustoconical interface and oval section constraints provide automatic mechanical alignment, substituting electronic control with mechanical self-positioning.
2Measurement precision
If numerous sensors and actuators are used to correct the position, then the positioning precision is improved, but the ease of operation deteriorates
Solution Approach 1:
The docking operation becomes simple because the system self-aligns through its geometric features. The flying machine automatically finds the correct position and orientation by engaging the cylindrical portion with the frustoconical portion and the oval sections, eliminating the need for complex operator control or automated sensor-based adjustment sequences.
3Device complexity
If the docking system uses simple geometric features, then the device complexity is reduced, but the reliability of stable positioning may deteriorate
Solution Approach 1:
The use of asymmetric geometric features (frustoconical portion with specific angle, complementary oval sections) creates a unique docked position that is stable and repeatable. The asymmetric geometry prevents incorrect positioning and ensures reliable engagement, while the simplicity of the geometric features keeps the device complexity low.
Solution Approach 2:
The cylindrical and frustoconical portions with rounded ends provide smooth, curvature-based guidance that ensures reliable engagement and stable positioning. The curved surfaces guide the flying machine into the correct position naturally, improving reliability without adding complexity.
Data Source
Figure 1~2B
Figure 3A~4C
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AI summary
The subject of the invention is a device for positioning two elements in a docked position, comprising first and second parts (22, 24) that have, respectively: - first and second contact surfaces (30.1, 30.2), - first and second portions in the form of a cylinder of revolution (32.1, 32.2) of complementary shape and the same diameter, - first and second frustoconical portions of oval section (38.1, 38.2) that have complementary shapes so as to prevent the first and second parts (22, 24) from rotating in the docked position. A further subject of the invention is a vehicle equipped with such a positioning device.