Parking Assistance Starting Position Calculation
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Solution Overview
Problem
Current driver assistance systems for parking often lead to the motor vehicle overshooting the starting position due to movement during display of the parking position, causing discomfort and potential safety issues for the driver and other road users.
Innovation Solution
A method that determines an expected stopping position based on current and future parameters of the vehicle's operating state, allowing for accurate comparison with the starting position and outputting this information to the driver, ensuring the vehicle comes to a standstill at the correct position for a safe and convenient parking process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the parking position is displayed to the driver using conventional driver assistance systems, then the driver is informed about the detected parking space, but the motor vehicle continues to move and overshoots the starting position, causing discomfort and potential safety issues
Solution Approach 1:
The system determines the starting position in advance based on the detected parking space dimensions and the vehicle's current operating state (speed, acceleration, steering angle). By calculating where the vehicle will come to a standstill rather than where it is currently located, the system provides forward-looking guidance that accounts for the vehicle's momentum and driver response time, preventing overshooting and enabling precise parking initiation.
2Loss of time
If the driver is informed about the parking position while the vehicle is still moving, then the driver has time to react, but the vehicle covers additional distance and reaches an incorrect stopping position
Solution Approach 1:
The system performs preliminary calculation of the starting position that anticipates the vehicle's future stopping point. By incorporating current operating parameters (speed, acceleration, steering angle) into the calculation, the system determines a position that will be accurate when the vehicle actually stops, not when the information is displayed. This eliminates the discrepancy between information display timing and actual stopping location.
Solution Approach 2:
The system continuously monitors the vehicle's operating state parameters (speed, acceleration, steering angle) and uses this feedback to dynamically adjust the calculated starting position. This real-time feedback loop ensures that the guidance information remains accurate even as the vehicle's motion state changes, maintaining precision throughout the approach to the parking space.
Data Source
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AI summary
The invention relates to a method for assisting a driver of a motor vehicle (1) in parking, in which a parking space (10) is measured by means of at least one detection device (4') of the motor vehicle (1) and a starting position (12) of the motor vehicle (1) for the parking process into the parking space (10) is determined depending on the measurement of the parking space (10), wherein during the measurement of the parking space (10) an expected holding position (13) of the motor vehicle (1) is determined depending on at least one current and/or at least one future value of at least one parameter characterizing the operating state of the motor vehicle (1) and the holding position (13) is compared with the starting position (12).