Automatic Garage Leaving Control Unit Safety Verification
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Solution Overview
Problem
There is a concern that vehicles equipped with driving assistance systems for automatic garage leaving may exit a garage without ensuring safety around them, even when no driver is present, as existing systems lack confirmation of safety before initiating the automatic exit process.
Innovation Solution
The driving assistance apparatus includes an automatic garage leaving control unit that assesses the surrounding environment for abnormalities, sends signals to open or close the garage shutter, and suspends the exit process if any abnormalities are detected, ensuring safety before allowing the vehicle to leave the garage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automatic garage leaving control is implemented without driver presence, then productivity and ease of operation are improved, but safety reliability deteriorates due to lack of human confirmation
Solution Approach 1:
The system performs self-safety verification using onboard sensors (cameras, ultrasonic sensors, radar) to detect obstacles and abnormalities in the garage environment, eliminating the need for driver confirmation while maintaining safety standards. The control unit automatically processes sensor data to determine safety before initiating garage leaving.
Solution Approach 2:
The system continuously monitors the garage environment through multiple sensors and provides real-time feedback to the control unit. If obstacles or abnormalities are detected during the automatic garage leaving process, the system immediately stops and notifies the user, ensuring safety through continuous environmental assessment.
2Reliability
If safety checking procedures are added to automatic garage leaving, then reliability is improved, but device complexity increases
Solution Approach 1:
The control unit integrates multiple safety checking functions (obstacle detection, abnormality detection, environment monitoring) into a single multi-functional device. This consolidates what would otherwise require separate systems, maintaining reliability while reducing overall system complexity.
Solution Approach 2:
The system combines multiple sensor types (cameras, ultrasonic sensors, radar) and their processing functions into a unified safety verification system managed by a single control unit, simplifying the overall architecture while comprehensive safety checking.
Data Source
AI summary
An in-vehicle driving assistance apparatus includes an automatic garage leaving control unit that performs automatic garage leaving cooperation control in which the automatic garage leaving control unit cooperates with a shutter control apparatus to cause a vehicle to automatically leave the garage. The automatic garage leaving control unit acquires vehicle surrounding information on presence or absence of abnormality around the vehicle when the automatic garage leaving control unit accepts an automatic garage leaving request signal, transmits an open request signal requesting to open a shutter to the shutter control apparatus when the automatic garage leaving control unit determines based on the vehicle surrounding information that a space around the vehicle is safe, and suspends the automatic garage leaving cooperation control when the automatic garage leaving control unit determines that abnormality is present around the vehicle.