Adaptive Driver Command Input for Emergency Vehicle Stop
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Solution Overview
Problem
Conventional emergency evacuation devices for vehicles do not adequately consider the varying physical abilities of drivers in deteriorating conditions, leading to difficulties in accessing and operating command input devices, which can delay or misinterpret the necessity of automatic vehicle stops.
Innovation Solution
The device includes a driver's physiological condition estimation portion to assess the driver's condition, adjusting the command input portion's structure and operation based on the estimated condition, ensuring easy access and operation, and implementing a camera system for safe vehicle stopping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the command input device is placed in a fixed position with standard operation requirements, then the device structure is simple and easy to manufacture, but drivers with deteriorating physical conditions cannot easily access and operate it, leading to delayed or erroneous inputs
Solution Approach 1:
The command input portion dynamically changes its operational characteristics based on the driver's physiological condition. When the driver's condition deteriorates, the system automatically adjusts the command input requirements (e.g., accepting simpler inputs, reducing operation complexity) to match the driver's current physical capabilities, thereby maintaining ease of operation without requiring complex structural modifications to the device itself
Solution Approach 2:
The system changes the operational parameters of the command input portion based on detected physiological conditions. This includes adjusting sensitivity thresholds, acceptance criteria, and operation complexity levels according to the driver's real-time physical state, allowing the same device structure to adapt to varying driver capabilities without physical reconfiguration
2Reliability
If the command input device requires precise and deliberate operations to prevent errors, then operational accuracy is improved, but drivers with deteriorating conditions experience difficulty in performing the required operations
Solution Approach 1:
The command input portion dynamically adjusts its error prevention mechanisms based on driver condition. When the driver is in good condition, standard verification procedures are applied. When deterioration is detected, the system adaptively modifies the verification level and input acceptance criteria to balance reliability with operability, preventing overly strict requirements that would exceed the driver's current capabilities
Solution Approach 2:
The system monitors the driver's physiological condition and automatically adjusts the command input requirements without external intervention. The command input portion self-adapts its operation based on real-time feedback from physiological sensors, eliminating the need for manual configuration or external control while maintaining both reliability and ease of operation
3Loss of time
If the command input device is designed for quick operation to enable prompt vehicle stopping, then response time is reduced, but the risk of erroneous input increases
Solution Approach 1:
The command input portion dynamically adjusts the balance between response speed and verification rigor based on driver condition. When the driver is healthy, standard verification protocols are applied. When deterioration is detected, the system accelerates the verification process and adjusts acceptance criteria to enable faster response while maintaining adequate error prevention, adapting the verification timeline to the urgent needs of the situation
Data Source
AI summary
An emergency evacuation device of a vehicle that executes an automatic vehicle stop control based on a command of a driver is disclosed. The emergency evacuation device comprises a driver's physiological condition estimation portion that estimates a driver's physiological condition; a driver's command input portion, operated by the driver, that receives a driver's command input and outputs a command of an execution of an automatic vehicle stop control in accordance with the command input; and an automatic vehicle stop control portion that executes the automatic vehicle stop control in response to the command from the driver's command input portion, wherein based on the driver's physiological condition estimated in the driver's physiological condition estimation portion, the structure of the driver's command input portion, for example, the arrangement of receptor(s) of the driver's command input portion receiving the command from the driver is changed.