EV Charging Docking Control via Distance-Based Speed Adjustment
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Solution Overview
Problem
Current methods for electric vehicle charging often result in misalignment between the charging arm and interface due to manual positioning, leading to delays and inefficiencies.
Innovation Solution
A method that involves identifying the vehicle as it approaches the charging station, transmitting a distance parameter to determine a desired speed using an algorithm, and controlling the vehicle to align properly with the charging station, ensuring precise docking and electrical contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual positioning by driver is used, then ease of operation is improved, but manufacturing precision deteriorates
Solution Approach 1:
The system enables self-service docking where the vehicle automatically positions itself at the charging station using onboard sensors and control algorithms, eliminating the need for manual driver positioning while achieving precise alignment
Solution Approach 2:
The patent replaces manual mechanical positioning with an automated system using sensors, processors, and control algorithms to determine vehicle position and guide docking, substituting human-operated mechanical systems with electronic automation
2Device complexity
If manual positioning by driver is used, then device complexity is reduced, but loss of time worsens
Solution Approach 1:
The system performs preliminary positioning actions automatically as the vehicle approaches the charging station, calculating the optimal stopping point in advance to minimize docking time without requiring complex real-time adjustments
Solution Approach 2:
The vehicle autonomously performs the docking process without driver intervention, using onboard computing resources to execute positioning algorithms and control vehicle movement, reducing both operational complexity and time loss
3Manufacturing precision
If automatic docking control is implemented, then manufacturing precision is improved, but device complexity worsens
Solution Approach 1:
The system uses multi-functional components that serve multiple purposes: sensors detect both vehicle position and charging station location, while the processor executes both positioning calculations and control commands, reducing overall system complexity despite enhanced precision capabilities
Solution Approach 2:
The system implements feedback control where sensors continuously monitor vehicle position relative to the charging station and adjust control signals to achieve precise docking, using simple feedback loops rather than complex predictive models
Data Source
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AI summary
A method of docking an electric vehicle at a charging station may include identifying the vehicle as it approaches the charging station and transmitting a distance parameter from the charging station to the vehicle. The distance parameter may be a measure of distance. The method may also include determining a desired speed of the vehicle based on the distance parameter using an algorithm in the vehicle, and controlling the vehicle to attain the determined desired speed.