Vehicle Haptic Signal Pattern Selection for Driver Distraction Control
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Solution Overview
Problem
Existing vehicle signal generation devices fail to adapt haptic signals to varying environmental conditions, user preferences, and user characteristics, potentially leading to distraction and safety hazards.
Innovation Solution
A device with a control unit that selects patterns for haptic actuators based on user-specific data and environmental data, using image recognition and GPS, to generate tailored haptic signals through actuators like motors or friction altering mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed haptic signal pattern is used, then the device complexity is reduced, but the adaptability to different users and environmental conditions deteriorates
Solution Approach 1:
The system changes parameters of the haptic signal (strength, duration, frequency) based on detected environmental conditions and user characteristics. Multiple pre-defined patterns with different parameters are stored and selected dynamically, allowing adaptation without requiring complex real-time signal generation algorithms.
Solution Approach 2:
The system automatically detects environmental conditions (light, sound, temperature) and user state (attention level, distraction) to autonomously select appropriate haptic patterns without requiring manual user adjustment or complex external intervention.
2Reliability
If a weak haptic signal is generated, then the user comfort is improved, but the reliability of signal perception deteriorates
Solution Approach 1:
The haptic signal characteristics are made dynamic rather than static. The system continuously monitors environmental conditions and user state, adjusting the signal strength, duration, and pattern in real-time to maintain optimal effectiveness without causing distraction.
Solution Approach 2:
The system uses sensors to detect user attention level and environmental conditions, then feeds this information back to adjust the haptic signal parameters. This closed-loop control ensures the signal remains effective for perception while avoiding excessive intensity that could distract the user.
3Adaptability or versatility
If multiple patterns are stored for different conditions, then the adaptability is improved, but the storage device complexity increases
Solution Approach 1:
The haptic signal generation is segmented into multiple pre-defined patterns, each optimized for specific environmental conditions or user states. This segmentation allows the system to store manageable discrete patterns rather than requiring complex continuous parameter generation, reducing computational and storage requirements.
Data Source
AI summary
A device for generating a signal which can be haptically perceived by a user of a vehicle includes a control device, a technical device and a storage device. The control device communicates with an external apparatus to receive a triggering signal. The technical device for the vehicle has an actuator for generating the signal which can be haptically perceived. The storage device stores a plurality of different patterns for controlling the actuator depending on user-specific data and/or data relating to an environment of the technical device. The control device uses a selected pattern of the stored patterns depending on the user-specific data and/or the data relating to an environment of the technical device, and controls the at least one actuator according to the selected pattern upon receiving the triggering signal from the external apparatus. The data relating to the environment is acquired using an acquisition device.