Parking Assistance Device Adaptive Completion Logic
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Solution Overview
Problem
Conventional parking assistance devices continue to guide vehicles even after they have stopped before reaching the parking target, causing user discomfort and inconvenience, due to factors like road surface conditions or user intervention, without properly adjusting the completion timing.
Innovation Solution
A parking assistance device with a detection unit, route calculation unit, and control unit that adjusts guidance completion based on the vehicle's attitude and stop mode, allowing for varying completion extension periods and confirmation notices, and recalculates the guidance route if deviations occur, ensuring smooth parking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the guidance is continued after the vehicle has stopped before reaching the parking target position, then the guidance completeness is maintained, but the user's troublesomeness and uncomfortableness increase
Solution Approach 1:
The patent applies dynamics by making the guidance completion condition adaptive rather than fixed. The control unit dynamically adjusts the completion determination based on whether the vehicle is in motion or stopped. When the vehicle stops before reaching the target position, the system recognizes this state and completes the guidance processing, rather than continuing indefinitely. This dynamic adjustment resolves the contradiction by adapting the guidance completion logic to the actual vehicle state, maintaining reliability while improving user comfort.
2Manufacturing precision
If the guidance is completed when the vehicle has completely fit into the parking space, then the parking precision is ensured, but the guidance may continue unnecessarily when the vehicle stops early
Solution Approach 1:
The patent implements dynamics by creating a dual-mode completion logic. The system monitors vehicle motion state and applies different completion criteria: if the vehicle reaches the target position, traditional precision-based completion applies; if the vehicle stops before reaching the target, the system completes guidance based on the stop detection. This dynamic approach prevents unnecessary continuation of guidance while maintaining parking precision when actually achieved.
Solution Approach 2:
The patent applies feedback by continuously monitoring the vehicle's motion state and position relative to the parking target. The control unit receives feedback about whether the vehicle is moving or stopped, and uses this feedback to determine appropriate guidance completion timing. This feedback mechanism allows the system to adapt its completion logic in real-time, avoiding both premature completion and unnecessary continuation.
3Manufacturing precision
If the guidance completion condition is strictly based on reaching the parking target position, then the parking accuracy is maintained, but the system cannot adapt to unexpected stops caused by road conditions or user intervention
Solution Approach 1:
The patent applies dynamics by implementing a flexible completion determination system that adapts to different vehicle states. The control unit dynamically evaluates both position-based completion criteria and motion-state-based completion criteria. When the vehicle stops before reaching the target, the system recognizes this as a valid completion condition, thereby adapting to unexpected situations while maintaining accuracy when the target is actually reached.
Solution Approach 2:
The patent implements parameter changes by modifying the guidance completion parameters based on vehicle motion state. The system changes the completion threshold parameter dynamically: under normal conditions, completion requires reaching the target position; when the vehicle stops early, the completion parameter is adjusted to allow termination at the stop position. This parameter adaptation enables the system to handle both precise parking and unexpected stops appropriately.
Data Source
AI summary
A parking assistance device includes a detection unit that detects a parkable area in a surrounding area of a vehicle, a route calculation unit that calculates a parking guidance route for guiding the vehicle from the current position of the vehicle to a parking target position contained in the parkable area, and a control unit that guides the vehicle to the parking target position according to the parking guidance route, completes the guidance when the vehicle has fit into the parkable area with a certain attitude and has reached the parking target position, and varies a completion extension period until the guidance of the vehicle is completed according to the stop mode of the vehicle when the vehicle has entered the parkable area with the certain attitude and the vehicle has stopped before reaching the parking target position.