Parking Assist Notification System for Control Transfer
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Solution Overview
Problem
Existing parking assist systems fail to effectively notify occupants of the end of automatic parking and unparking processes, leading to unclear transfer of vehicle control.
Innovation Solution
A parking assist system that includes a control device to manage powertrain, brake, and steering, along with a notification device to inform occupants of process completion and request specific operations, ensuring clear recognition of process endings and control transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If different notification modes are used for end-of-parking and end-of-unparking notifications, then the meanings of notifications become clearer, but the learning complexity for occupants increases
Solution Approach 1:
The patent applies homogeneity by using the same notification mode (visual display on the instrument panel) for both end-of-parking and end-of-unparking notifications. This creates consistency in how information is presented to the occupant, reducing learning complexity while maintaining clarity through standardized presentation format.
2Reliability
If the system provides detailed notifications about process completion, then the occupant can clearly recognize control transfer, but the notification system complexity increases
Solution Approach 1:
The patent extracts the essential notification function from a complex multi-mode system and implements it through a single visual display mechanism on the instrument panel. This simplifies the notification system while maintaining reliability by consistently presenting control transfer information through the extracted visual notification channel.
3Reliability
If the system requests occupant operation during automatic unparking, then the occupant recognizes control transfer timing, but the operation sequence complexity increases
Solution Approach 1:
The patent applies preliminary action by requesting the occupant to operate the operation member (e.g., press the brake pedal) before the automatic unparking process fully completes. This advance request allows the occupant to prepare for control transfer, recognizing the timing of transition while maintaining a simple single-operation sequence rather than complex multi-step procedures.
Data Source
AI summary
A parking assist system includes: a control device configured to execute an automatic parking process and an automatic unparking process. The control device is configured to cause a notification device to output an end-of-parking notification when, in the automatic parking process, the vehicle has reached the target parking position and the control device ends the automatic parking process, and to cause the notification device to output an instruction notification to request the occupant to perform a prescribed operation on an operation member when, in the automatic unparking process, the vehicle has reached the target unparking position and the control device ends the automatic unparking process, and to cause the notification device to output an end-of-unparking notification when the prescribed operation is detected.