Vehicle Dynamics Actuator Control for Driver Skill Adaptation
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Solution Overview
Problem
Existing vehicle control systems fail to effectively tailor vehicle dynamics to the skill level of the driver and handling type, leading to inconsistent driving experiences across different road conditions and operating conditions.
Innovation Solution
A vehicle control system that determines the driver's skill level and handling type based on lateral and longitudinal acceleration, steering wheel angle, and other parameters, adjusting dynamics actuators such as electronic limited slip differentials, power steering, and braking systems to provide tailored vehicle responses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If vehicle control systems use fixed dynamics settings, then system complexity is reduced, but driving experience consistency across different skill levels deteriorates
Solution Approach 1:
The control system dynamically adjusts vehicle dynamics parameters based on detected driver skill level and handling type. The system transitions from fixed settings to adaptive settings by modifying actuator commands in real-time based on driver behavior patterns, thereby resolving the contradiction between adaptability and complexity through intelligent control rather than physical reconfiguration
Solution Approach 2:
The system changes control parameters such as steering assist levels, differential torque distribution, and brake modulation based on identified driver skill levels. By adjusting these parameters dynamically, the system achieves adaptability to different drivers without requiring fundamentally different hardware configurations for each skill level
2Reliability
If the system adjusts dynamics actuators for each driver, then driving experience consistency improves, but response time deteriorates due to multiple processing steps
Solution Approach 1:
The system performs preliminary classification of driver skill level and handling type during initial driving phases or low-load conditions. By pre-determining the appropriate dynamics profile before critical maneuvers, the system minimizes processing delays during time-sensitive driving situations while maintaining experience consistency
Solution Approach 2:
The system continuously monitors driver behavior and adjusts dynamics settings in real-time feedback loops. This ongoing adaptation allows the system to maintain consistent driving experiences without requiring complete re-evaluation of driver characteristics, thereby reducing processing time while preserving reliability
3Adaptability or versatility
If multiple actuators are controlled simultaneously, then vehicle dynamics tailoring improves, but control complexity increases
Solution Approach 1:
The control system merges the coordination of multiple actuators (steering, braking, powertrain, differential) into a unified control architecture that adjusts all actuators based on a single driver classification. This integration reduces the effective complexity by treating the actuator group as a coordinated system rather than independent components requiring separate control logic
Data Source
AI summary
A vehicle control system includes a first error module that determines a first yaw error based on a difference between a yaw rate of the vehicle and a target yaw rate. A second error module determines a second yaw error based on the first yaw error and a target yaw error. A target yaw error module sets the target yaw error based on a skill level of a driver of the vehicle. An adjustment module selectively one of increases and decreases a target adjustment when the second yaw error is greater than a first predetermined threshold. An actuator control module, in response to the increase in the target adjustment, actuates a dynamics actuator of the vehicle.