Remote Engine Start Control for Indoor Parking Detection
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Solution Overview
Problem
When a vehicle is parked indoors, starting the engine remotely can lead to poor environmental conditions inside the cabin due to exhaust, as existing systems lack appropriate measures to manage engine start and stop conditions differently than when an occupant is present.
Innovation Solution
A vehicle with a controller that sets stricter start conditions and looser stop conditions for remote engine operation, includes ambient situation detection to determine indoor parking, and may prohibit or stop the engine to prevent indoor pollution, and detects presence around the vehicle to avoid exhaust impact on people.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the engine is started by remote operation when the vehicle is parked indoors, then the engine can be started to warm up or execute air conditioning, but the environmental state indoors or in the vehicle cabin deteriorates due to exhaust
Solution Approach 1:
The system performs preliminary detection of the parking environment (indoor vs. outdoor) before allowing engine start. When indoor parking is detected, the system proactively prevents engine start or automatically stops the engine after a brief operation, thereby preventing the harmful effect (exhaust pollution) before it occurs
Solution Approach 2:
The system continuously monitors engine operation status and provides feedback to the control unit. When the engine is started remotely, the system monitors various parameters and automatically stops the engine if continued operation is deemed unsafe, using real-time feedback to adjust engine operation dynamically
2Temperature
If the engine is started by remote operation, then engine warming or air conditioning can be executed, but it becomes difficult to maintain a good environmental state indoors
Solution Approach 1:
The control unit acts as an intermediary between the remote start request and the actual engine operation. It introduces intermediate detection steps (ambient situation detection, engine operation monitoring) and intermediate control actions (automatic engine stop, conditional operation) to mediate between the desire for temperature control and the need to prevent pollution
Solution Approach 2:
The system changes the operational parameters of the engine based on the detected environment. When indoor parking is detected, the system limits engine operation time, adjusts stop conditions, or prohibits start entirely, thereby changing the engine's operational parameters to prevent harmful effects while still allowing beneficial functions when appropriate
Data Source
AI summary
In a case where an engine is started based on a remote operation, a limitation condition for limiting an engine start is tightened or a stop condition after the engine is started is relaxed, as compared to a case where the engine is started based on a switch operation in an occupant cabin. That is, it is difficult to start the engine when the engine is started based on the remote operation, and it is easy to stop the engine when the engine is started based on the remote operation. As a result, it is possible to take more appropriate measures when the engine is started based on the remote operation.