Onboard Parking Path Reuse for Efficient Vehicle Drive-Out
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Solution Overview
Problem
Existing onboard processing systems are inefficient in processing autonomous drive-out from a parking place, requiring increased data handling and processing due to independent processing of parking and drive-out paths.
Innovation Solution
An onboard processing device with an information obtaining unit, periphery detection unit, position estimation unit, and path setting unit that sets a drive-out path based on the vehicle's position and peripheral environment, using dead reckoning and image-based position estimation to efficiently determine and control the drive-out path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If independent processing is used for parking and drive-out paths, then the vehicle can be parked and driven out separately, but the processing efficiency decreases and data handling requirements increase
Solution Approach 1:
The patent merges the drive-out path planning with the parking path by reusing the same map data and processing framework. Instead of creating separate independent systems for parking and drive-out, the invention combines them into a unified path planning process that handles both operations through common data structures and algorithms, thereby improving processing efficiency while maintaining reliability.
Solution Approach 2:
The patent creates a universal map data structure and processing system that serves multiple functions - both parking path planning and drive-out path planning. The same data structures, coordinate systems, and processing units are used for both operations, eliminating the need for separate specialized systems and reducing overall data handling requirements.
2Reliability
If independent processing is used for parking and drive-out paths, then separate path planning can be performed, but the amount of data to be handled increases
Solution Approach 1:
The patent combines the data structures used for parking and drive-out path planning into a unified system. By merging the map data, coordinate systems, and processing frameworks, the invention eliminates redundant data storage and handling while maintaining the accuracy required for both parking and drive-out operations.
Solution Approach 2:
The patent develops universal map data structures and processing methods that serve both parking and drive-out functions. This multi-functional approach allows the same data to be reused for different operations, significantly reducing the total amount of data that needs to be handled while preserving path planning accuracy for both scenarios.
3Reliability
If independent processing is used for parking and drive-out paths, then separate control systems can be implemented, but the processing amount increases
Solution Approach 1:
The patent merges the control systems for parking and drive-out operations into a unified processing framework. By combining the path planning algorithms, data structures, and control logic into a single integrated system, the invention reduces processing complexity while maintaining reliable path execution control for both parking and drive-out maneuvers.
Solution Approach 2:
The patent implements a universal control system that handles both parking and drive-out operations through common processing units and algorithms. This multi-functional control architecture eliminates the need for separate specialized control systems, reducing overall processing complexity while ensuring reliable path execution for different vehicle maneuvers.
Data Source
AI summary
In an onboard processing device, a parking path when a vehicle, which is a target vehicle, enters a parking place and a parking map including the parking place are obtained by an information obtaining unit, a peripheral environment of the vehicle is detected by a periphery detection unit, a vehicle position on the parking map is estimated by a vehicle position estimation unit, and a drive-out path when the vehicle is driven out from the parking place is set based on the estimated vehicle position, the parking path, and the detected peripheral environment by a path setting unit.