Parking-Area Acceleration Suppression for Pedal Misapplication
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Solution Overview
Problem
Existing driving support devices sometimes unnecessarily suppress acceleration, causing discomfort to drivers when the device mistakenly identifies an erroneous accelerator pedal depression, especially outside parking scenarios.
Innovation Solution
A driving support device equipped with an operation sensor, vehicle sensor, and periphery sensor, which uses a control device to determine if the vehicle is in a parking area and if there's an erroneous accelerator pedal operation, thereby selectively executing acceleration suppression control only during parking operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the acceleration suppression function is executed whenever an erroneous accelerator pedal depression is detected, then the safety of the own vehicle is improved, but the driver experiences discomfort due to unnecessary acceleration suppression
Solution Approach 1:
The acceleration suppression function is activated only in specific local contexts (parking areas with parallel parking spots) rather than universally. The control device determines whether the vehicle is in a parking area by analyzing peripheral information and vehicle state, and only executes acceleration suppression when both erroneous pedal depression and parking area conditions are confirmed. This localized application eliminates unnecessary suppression in non-parking scenarios while maintaining safety in parking scenarios.
2Reliability
If the acceleration suppression function is executed based on erroneous accelerator pedal depression detection, then the safety of the own vehicle is improved, but the function executes unnecessarily outside parking scenarios causing driver bother
Solution Approach 1:
The system dynamically adjusts the activation state of the acceleration suppression function based on real-time vehicle context. The control device continuously monitors peripheral information (from cameras, LIDAR, or other sensors) and vehicle state information (speed, steering angle, brake pedal position) to determine whether the vehicle is in a parking area. This dynamic adaptation allows the system to activate acceleration suppression only when appropriate (in parking areas with erroneous pedal depression) and deactivate it in non-parking scenarios, avoiding unnecessary energy loss and driver discomfort.
Data Source
AI summary
Provided is a driving support device (1) including a control device which has an acceleration suppression function of suppressing acceleration of an own vehicle when the own vehicle is determined to be positioned in a parking area (PA) including a parking spot row (PSA) and an erroneous depression operation is determined to be executed on an accelerator pedal (AP). The control device predicts a trajectory (T) of the own vehicle in a case in which the own vehicle travels when a speed (vs) of the own vehicle is equal to or higher than a predetermined speed, and further predicts a time (Δt) required for the own vehicle to reach a point at which the trajectory (T) and the parking spot row (PSA) intersect with each other. The control device determines that the own vehicle is positioned in the parking area (PA) when the predicted time (Δt) is equal to or shorter than a predetermined time. When the speed (vs) of the own vehicle is lower than the predetermined speed or the own vehicle is stopped, the control device determines that the own vehicle is positioned in the parking area (PA) in a case in which a determination target region (A0), which has a predetermined length, extends from the own vehicle toward a traveling direction, and is defined in accordance with a turning angle of the own vehicle, and the parking spot row (PSA) overlap each other.