Adaptive Vehicle Sound Control for Driver Style Personalization
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Solution Overview
Problem
Existing active sound design systems in vehicles fail to account for the driver type and current driving style, leading to unsatisfactory sound experiences as they do not adapt the engine noise to individual preferences.
Innovation Solution
An active sound design system that uses sensors to classify the driver type and current driving style, adjusting sound parameters such as volume, tonality, and timbre through a sound control system to emit simulated engine sounds and exhaust noises, automatically adapting to the driver's style and type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a uniform sound design is used in the active sound design system, then the system structure is simple and easy to implement, but the sound experience is unsatisfactory for drivers with different driving styles
Solution Approach 1:
The sound design system dynamically adjusts sound parameters based on detected driving style. The system transitions from a static uniform sound output to a dynamic adaptive sound output that changes in real-time according to the driver's behavior patterns, thereby resolving the contradiction between system simplicity and adaptability.
Solution Approach 2:
The system changes sound parameters (volume, tonality, timbre, frequency) based on detected driving style characteristics. By modifying these acoustic parameters dynamically, the system achieves adaptability to different driver types without requiring complex manual configuration, thus resolving the contradiction between ease of operation and versatility.
2Adaptability or versatility
If the active sound design system adapts to different driver types and driving styles, then the sound experience is personalized and satisfying, but the system complexity increases due to additional sensors and classification devices
Solution Approach 1:
The system uses existing vehicle sensors (acceleration sensors, pedal position sensors) for multiple purposes - both for vehicle control and for detecting driving style characteristics. This multi-functionality approach allows the system to achieve adaptability without adding dedicated sensors, thereby reducing the increase in system complexity.
Solution Approach 2:
The classification device automatically analyzes driving patterns and determines driver type without requiring manual input or configuration from the driver. The system self-adjusts sound parameters based on autonomous analysis of driving behavior, eliminating the need for complex user interfaces or manual setup procedures.
3Extent of automation
If the system automatically adjusts sound parameters based on driving style, then manual selection is unnecessary and user experience is enhanced, but the extent of automation increases system complexity
Solution Approach 1:
The system continuously monitors driving parameters through sensors and uses this feedback to automatically adjust sound output. The classification device receives real-time data from acceleration and pedal position sensors, analyzes driving style patterns, and dynamically modifies sound parameters accordingly, creating a closed-loop automatic control system.
Solution Approach 2:
The system replaces manual sound selection (mechanical/physical interaction) with automated electronic detection and control. Instead of requiring drivers to manually select sound modes, the system uses electronic sensors and classification algorithms to automatically determine and adjust sound parameters based on detected driving style.
Data Source
AI summary
An electrically or partially electrically driven vehicle has a system (1) for active sound design. Active sound design sounds emitted by one or more loudspeakers (5) are modified depending on the driver type and/or depending on the current driving style. The system (1) has at least one sensor for recording measurement parameters (2) that permit a classification of a current driving style and/or a driver type of a driver of the vehicle. The device (1) has a classification device (3) that is configured to determine the current driving style and/or driver type of the driver of the vehicle based on the measurement parameters (2) recorded by the at least one sensor. The system (1) has a sound control system for controlling and modifying the sounds emitted by the loudspeakers (5) based on the current driving style and/or driver type classified by the classification device (3).