Vehicle Control System Camera Switching Stability
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Solution Overview
Problem
When multiple detection units, such as cameras, are installed on a vehicle at different positions, switching between their detection results can cause instability in vehicle behavior due to differences in detected peripheral information, leading to abrupt changes in control actions.
Innovation Solution
A vehicle control system with a first and second detection unit, where the control unit suppresses the control amount based on peripheral information when switching from one detection unit to another, stabilizing the vehicle behavior by limiting the steering control amount during the transition period.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple detection units are installed at different positions to expand detection region, then detection coverage is improved, but detection result consistency deteriorates due to position shifts
Solution Approach 1:
A camera switching determination unit acts as an intermediary to detect whether a camera switch has occurred. When switching is detected, a travel support control unit suppresses control amounts based on peripheral information, thereby mediating the transition between cameras installed at different positions and preventing abrupt control changes that would otherwise result from detection result shifts.
2Reliability
If camera switching is performed to maintain detection functionality, then system reliability is improved, but vehicle behavior stability deteriorates due to detection position differences
Solution Approach 1:
The camera switching determination unit performs preliminary detection of camera switching events before they affect control output. By identifying the switch in advance, the system can preemptively suppress control amounts based on peripheral information, counteracting the potential instability caused by detection position differences before they manifest in vehicle behavior.
Solution Approach 2:
The control system applies beforehand cushioning by suppressing control amounts when camera switching is detected. This cushioning effect absorbs the冲击 of detection result variations caused by position differences, preventing abrupt changes in vehicle behavior while maintaining the reliability benefits of having multiple cameras.
3Speed
If control amount is adjusted rapidly in response to detection changes, then response speed is improved, but vehicle behavior stability deteriorates due to abrupt control changes
Solution Approach 1:
The control system implements periodic action by continuously monitoring for camera switching events and applying control amount suppression in a rhythmic manner. When switching is detected, the suppression is applied temporarily, then removed when switching is no longer detected, creating a periodic control pattern that maintains responsiveness while preventing sustained abrupt changes in vehicle behavior.
Data Source
AI summary
A vehicle control system provided with a first detection unit and a second detection unit, which are configured to acquire peripheral information of a self-vehicle, comprises: a control unit that performs traveling control of the self-vehicle using the peripheral information, wherein when switching from a first traveling state using peripheral information detected by the first detection unit to a second traveling state using peripheral information detected by the second detection unit is performed, the control unit suppresses a control amount based on the peripheral information of the self-vehicle.