Parking Assist Pause Control for Safe Manual Intervention
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Solution Overview
Problem
Existing parking assist systems fail to prevent vehicles from excessively approaching other objects when drivers perform operations other than braking before reaching the target position during parking assist control, leading to potential collisions.
Innovation Solution
A parking assist apparatus that includes an information acquisition device, a movement assist information determination module, and a parking assist module, which acquires vehicle peripheral information, determines a movement path and assist information, and executes parking assist control with steering angle, driving force, and braking force control. It pauses the control if the driver performs a non-braking operation before reaching the target, maintains assist information, and notifies the driver to resume control, allowing safe vehicle handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the driver operates the accelerator pedal or steering wheel before the vehicle reaches the target position during parking assist control, then the driver can take manual control of the vehicle, but the vehicle may excessively approach another vehicle or object causing a collision risk
Solution Approach 1:
The system applies preliminary anti-action by detecting driver operations (accelerator pedal or steering wheel input) before the vehicle reaches the target position and preemptively executing brake control to prevent excessive approach to objects. The control unit identifies when the vehicle is in a state where excessive approach may occur and applies braking force in advance to counteract the potential harmful effect of the driver's operation.
Solution Approach 2:
The system implements feedback by continuously monitoring the vehicle's movement state, driver operations, and proximity to detected objects. The control unit receives information from detection devices about the peripheral state and vehicle position, processes this feedback information, and automatically adjusts braking force to maintain safe distances while allowing driver operations.
2Productivity
If the parking assist control continuously operates without interruption, then the vehicle can automatically reach the target position efficiently, but the driver cannot perform manual operations on the accelerator pedal or steering wheel
Solution Approach 1:
The system applies dynamics by making the parking assist control flexible and adaptable to driver needs. The control unit dynamically adjusts the level of automatic control based on detected driver operations, allowing the system to transition between fully automatic operation and driver-manual operation modes. This dynamic adjustment enables the driver to intervene when necessary while maintaining automatic efficiency during normal operation.
Solution Approach 2:
The system implements parameter changes by modifying the control parameters (braking force, steering angle) based on driver operations and vehicle state. When the driver operates the accelerator pedal or steering wheel, the control unit changes the control parameters to allow manual intervention while preventing excessive approach to objects through automatic brake control adjustments.
3Speed
If the vehicle suddenly enters the traveling road or suddenly changes traveling direction due to driver operation, then the driver can respond quickly to traffic conditions, but the vehicle may excessively approach another vehicle traveling in the traveling road
Solution Approach 1:
The system applies preliminary anti-action by detecting when the vehicle is in a state where sudden entry or direction change may cause excessive approach to traveling vehicles, and preemptively executing brake control to prevent collisions. The control unit monitors the vehicle's movement state and applies braking force in advance to counteract the potential harmful effect of sudden driver operations.
Solution Approach 2:
The system implements feedback by continuously monitoring the vehicle's position, speed, and proximity to detected objects in the traveling road. The control unit receives real-time feedback from detection devices and automatically adjusts braking force to maintain safe distances while allowing the vehicle to respond to traffic conditions.
Data Source
AI summary
Provided is a parking assist apparatus for a vehicle, the parking assist apparatus including a first module configured to set, as a movement path, a path along which the vehicle is movable to a target position, and determine movement assist information for moving the vehicle along the movement path; and a second module configured to execute parking assist control such that the vehicle moves in accordance with the determined movement assist information, the second module being further configured to, when an occupant performs a first operation before the vehicle has reached the target position, stop the vehicle, and execute pause processing for maintaining the movement assist information.