Parking Trajectory Selection for Transverse Parking Maneuvers

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Solution Overview

Problem

Existing parking assistance technologies face challenges in providing precise and simplified parking assistance, especially in difficult environmental conditions and for perpendicular parking spaces, where the vehicle's longitudinal axis is aligned transversely to the parking space.

Innovation Solution

A device with a selection device connected to an evaluation unit that determines multiple parking trajectories and allows the driver to select the most suitable one based on real-time conditions, using a sensor arrangement and clothoids for easy navigation, with options for manual or automatic steering and braking.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single parking trajectory is calculated based on geometric measurement, then the parking process can be automated, but the system cannot adapt to difficult environmental conditions or driver preferences

Engineering Contradiction:
Improveadaptability to environmental conditionsVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system dynamically generates multiple parking trajectories based on real-time sensor measurements and automatically selects the most suitable trajectory according to current environmental conditions, making the system adaptive without requiring complex manual intervention

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The evaluation unit autonomously evaluates multiple calculated trajectories and selects the optimal one without driver input, while still providing the option for manual selection, thereby adapting to conditions automatically while maintaining simplicity

Inventive Principle:
Principle #25Self-service

2Ease of operation

If the vehicle is automatically steered into the parking space along a calculated trajectory, then the ease of operation is improved, but the system may collide with obstacles or fail in difficult environmental conditions

Engineering Contradiction:
Improveease of parking operationVSAvoidreliability in difficult conditions
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system continuously monitors the parking process using sensor arrangements and compares actual vehicle position with the calculated trajectory, enabling real-time corrections to maintain reliability while keeping operation simple

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

Multiple trajectories are pre-calculated considering various obstacles and environmental conditions before the parking maneuver begins, allowing the system to anticipate and avoid potential collision scenarios while maintaining automated operation

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If multiple parking trajectories are determined and displayed for driver selection, then the adaptability to different conditions is improved, but the device complexity increases

Engineering Contradiction:
Improveselection of suitable parking pathVSAvoidcomplexity of trajectory selection
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The parking space and surrounding area are segmented into multiple discrete trajectory options, each optimized for specific conditions, allowing the driver to select from clearly defined alternatives without overwhelming complexity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The evaluation unit acts as an intermediary that automatically processes multiple trajectory calculations and presents them in a simplified format to the driver, reducing the perceived complexity while maintaining adaptability

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP1915285B1Device and method for assisting a parking maneuver of a vehicle
Publication Date: 2013.09.11 ROBERT BOSCH GMBH
  • EP1915285B1 patent drawingFigure 1
  • EP1915285B1 patent drawingFigure 2~3
  • EP1915285B1 patent drawingFigure 4~5

AI summary

The invention relates to a device (2) for assisting a parking maneuver of a vehicle (1), particularly a motor vehicle, into a parking space (3) located transversal to the vehicle (1), with a parking space measuring device having a sensor arrangement (6), and with an evaluating unit (11), which is connected to the sensor arrangement (6) and which serves to determining the parking trajectory of the vehicle into the parking space (3). For a precise parking assistance, the invention provides that a selecting device (13) is provided, which is connected to the evaluating unit (11) and which serves to select a parking trajectory (12) from an number of different parking trajectories determined by the evaluating unit (11). The invention also relates to a method for assisting a parking maneuver of a vehicle (1), particularly of a motor vehicle, into a parking space (3), which is located transversal to the vehicle (1), by means of a device (2) of the aforementioned type.