Digital Suspension Control with Sleep Modes and Wireless Tuning
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Solution Overview
Problem
The transition of vehicle suspension systems from analog to digital is hindered by power and communication infrastructure challenges, necessitating efficient management of digital components.
Innovation Solution
Implementation of electronically adjustable components, such as active valves and smart sensors, controlled by a suspension controller, which adjust damping characteristics based on real-time data and user inputs, utilizing wireless communication protocols to optimize suspension performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If digital components are implemented in the suspension system, then control precision and adaptability are improved, but power consumption and communication infrastructure requirements increase
Solution Approach 1:
The system dynamically changes operational parameters including sleep intervals and communication frequencies based on vehicle state. During normal operation, the controller communicates at standard intervals. When entering sleep mode, the controller extends communication intervals and reduces activity, thereby adapting power consumption to operational requirements while maintaining control precision when needed.
Solution Approach 2:
The suspension system implements dynamic operational modes that transition between active control and sleep states. The controller adjusts its operational characteristics based on vehicle motion detection, entering sleep mode during steady-state conditions and activating full digital control functionality when motion or road irregularities are detected, optimizing the balance between precision and power consumption.
2Adaptability or versatility
If digital components are implemented in the suspension system, then adaptability to terrain and user preferences is improved, but device complexity increases
Solution Approach 1:
The suspension system integrates multiple functions within a single digital control unit that handles terrain sensing, user preference management, and suspension actuation. This universal controller consolidates what could be separate complex subsystems into one integrated unit, reducing overall device complexity while maintaining full adaptability to terrain conditions and user preferences through software-based control strategies.
3Use of energy by moving object
If the suspension system operates in sleep mode, then power consumption is reduced, but response time to terrain changes increases
Solution Approach 1:
The system employs periodic wake-up cycles during sleep mode where the controller periodically checks for terrain changes or user inputs. This periodic monitoring allows the system to maintain low power consumption for extended periods while ensuring that terrain changes are detected within acceptable timeframes, balancing energy savings with response requirements.
Data Source
AI summary
A system and method for modifying operational aspects of a suspension control system. The method receives a modification request and accesses a control system of one or more electronic components of a vehicle. The original operational aspect of one or more of the electronic components is modified based on the request. When a return request is received, the modified operational aspect of the one or more of the electronic components is returned back to its original operational aspect.