Vehicle Suspension Damping Control via Sensor Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current vehicle suspension systems lack the ability to make real-time adjustments to shock absorber damping while in operation, primarily focusing on vehicle stability rather than ride comfort, especially in varying terrain and payload conditions.
Innovation Solution
A semi-active damping control system that includes adjustable shock absorbers with electronic control, user interface for manual adjustments, and sensors for dynamic damping adjustments based on driving conditions, allowing for real-time optimization of ride comfort through user inputs and sensor data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If adjustable shock absorbers are implemented with electronic control and sensors, then ride comfort and adaptability are improved, but device complexity increases
Solution Approach 1:
The shock absorbers transition from static to dynamic adjustability, allowing real-time modification of damping characteristics based on operating conditions. The electronic control system enables continuous adjustment of compression and rebound damping rates, transforming the suspension system into a dynamically adaptable structure that responds to varying terrain and payload conditions.
Solution Approach 2:
Sensors are integrated into the suspension system to detect parameters such as ride height, acceleration, and steering angle. This feedback is processed by the electronic control system, which automatically adjusts shock absorber damping characteristics to optimize ride comfort and vehicle stability, creating a closed-loop control system that continuously adapts to changing conditions.
2Ease of operation
If manual adjustment controls are made accessible to the driver, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The system provides automated damping adjustment based on sensor inputs, eliminating the need for manual intervention in normal operation. The electronic control system automatically selects appropriate damping characteristics according to detected driving conditions, allowing the system to serve itself without requiring driver input for routine adjustments.
Solution Approach 2:
The electronic control system integrates multiple functions including automatic damping adjustment, ride height control, and stability management into a single unified system. This multi-functional approach consolidates what would otherwise require separate control mechanisms, reducing overall system complexity while maintaining ease of operation through a centralized interface.
Data Source
AI summary
A damping control system for a vehicle having a suspension located between a plurality of ground engaging members and a vehicle frame includes at least one adjustable shock absorber having an adjustable damping characteristic. The system also includes a controller coupled to each adjustable shock absorber to adjust the damping characteristic of each adjustable shock absorber, and a user interface coupled to the controller and accessible to a driver of the vehicle. The user interface includes at least one user input to permit manual adjustment of the damping characteristic of the at least one adjustable shock absorber during operation of the vehicle. Vehicle sensors may also be coupled to the controller to adjust the damping characteristic of the at least one adjustable shock absorber based on sensor output signals.