Autonomous Parking From a Temporary Stop to Cut Driver Wait Time
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Solution Overview
Problem
Existing parking technologies require significant driver involvement, leading to prolonged parking times that disrupt traffic flow and inconvenience other road users, as well as tying up the driver during the parking process.
Innovation Solution
A method involving a two-phase parking process where the vehicle is manually driven to a temporary position within the parking zone, allowing the driver to exit, followed by an autonomous process to achieve a final parking position, guided by an electronic parking assistance system that considers various decision criteria to minimize disruption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a partially autonomous parking procedure is performed with the driver remaining in the vehicle during the parking process, then the parking maneuver can be monitored and controlled by the driver, but the time required for parking is prolonged and traffic flow is disrupted
Solution Approach 1:
The parking process is divided into two distinct phases: a manual driving phase where the driver brings the vehicle to a temporary parking position and exits, followed by an autonomous parking phase where the vehicle completes the parking maneuver without driver involvement. This segmentation allows the time-consuming autonomous portion to occur without driver waiting time, while the critical manual portion is minimized to only what's necessary to reach a safe temporary position.
Solution Approach 2:
The driver performs preliminary actions by manually driving the vehicle to a temporary parking position and exiting before the autonomous parking process begins. This preliminary positioning allows the subsequent autonomous maneuver to proceed independently, eliminating the need for the driver to remain in the vehicle during the time-consuming autonomous execution phase.
2Reliability
If the driver remains in the vehicle during the parking maneuver to monitor and control the process, then safety and control are maintained, but the driver loses time and must stay in the vehicle
Solution Approach 1:
The parking operation is segmented into a driver-controlled preliminary phase and an autonomous execution phase. The driver supervises and controls the initial manual driving to a temporary position, then exits the vehicle. The autonomous system independently completes the parking maneuver, eliminating the need for continuous driver supervision during the time-consuming autonomous phase while maintaining safety through automated control.
Solution Approach 2:
The vehicle's autonomous parking system performs the parking maneuver independently after the driver has exited. The system uses its own sensors, processors, and actuators to execute the parking sequence without requiring the driver to remain in the vehicle for monitoring or control, enabling the vehicle to serve itself during the autonomous execution phase.
3Productivity
If a fully autonomous parking process is performed without driver involvement, then the driver's time is saved, but the system requires complex automation and may take longer to execute
Solution Approach 1:
The parking system is segmented into a simple manual driving phase that the driver performs, followed by an autonomous execution phase. This segmentation allows the complex autonomous parking logic to be fully implemented without requiring the driver to remain in the vehicle, while the simpler manual phase handles initial vehicle control, effectively distributing the complexity burden.
4Loss of time
If the vehicle is manually driven to a temporary parking position and then autonomously repositioned to a final position, then traffic disruption is reduced and driver time is saved, but the parking process becomes more complex
Solution Approach 1:
The parking process is segmented into two phases: manual driving to a temporary position followed by autonomous repositioning to the final position. This segmentation enables the time-critical portion (autonomous repositioning) to occur without driver waiting, reducing overall traffic disruption. The complexity is managed by using the simple manual phase for initial positioning and reserving the complex autonomous capabilities for the final parking maneuver.
Data Source
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Figure 5~6
AI summary
The invention relates to a method for parking a motor vehicle (10) in a parking zone (5, 6), in which the motor vehicle (10) is driven along a path outside the parking zone (5, 6) to the parking zone (5, 6) and is then autonomously parked in the parking zone (5, 6), wherein the motor vehicle (10) is driven to the parking zone (5, 6) with the driver present in the motor vehicle (10) and is placed in a temporary parking position (15) in the parking zone (5, 6), wherein the driver leaves the motor vehicle (5, 6) after reaching the temporary parking position and the motor vehicle (10) is subsequently positioned in a final parking position (16) in a parking zone (5, 6) by an autonomous parking process, depending on decision criteria. The invention also relates to a parking assistance system (12) and a motor vehicle (10).