Rollover Meter Device with MEMS Sensors for Vehicle Tilt Detection
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Solution Overview
Problem
Vehicle rollovers in agriculture and other sectors cause severe damage and injury, and existing solutions are not effective in providing real-time warnings or automatically preventing rollovers across varying conditions.
Innovation Solution
A rollover meter device equipped with microelectromechanical sensors (MEMS), including gyro and accelerometer components, that provides audible and visible warnings and automatically shuts off the vehicle's engine and gas supply if a critical angle is exceeded, utilizing a digital display and LED lights to alert operators and prevent rollover.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If microelectromechanical sensors (MEMS) are used to detect vehicle tilt angles, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple sensor functions into a single MEMS device that simultaneously measures tilt angles in multiple directions and detects rollover conditions, eliminating the need for separate sensors and reducing overall system complexity while maintaining high measurement precision
Solution Approach 2:
The MEMS sensor system is designed to perform multiple functions including tilt detection, rollover detection, and critical angle determination, allowing a single device to replace what would traditionally require multiple specialized sensors
2Reliability
If automatic shutdown systems are implemented to prevent rollover damage, then reliability is improved, but device complexity increases
Solution Approach 1:
The system performs preliminary detection of critical tilt angles and issues warnings before actual rollover occurs, allowing operators to take corrective action. The automatic shutdown mechanism is pre-configured to activate only when critical thresholds are exceeded, simplifying the control logic while improving reliability
Solution Approach 2:
The system continuously monitors tilt angles and provides real-time feedback through visual and audible warnings, with automatic shutdown triggered by feedback from the sensor system when critical angles are reached, creating a closed-loop control system that improves reliability without requiring complex manual intervention
3Adaptability or versatility
If the system is designed to adapt to various vehicles without reprogramming, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The system allows operators to input vehicle-specific parameters such as track width and center of gravity location, which automatically adjusts the critical angle calculations and warning thresholds. This software-based adaptability eliminates the need for precise manufacturing variations while maintaining accuracy across different vehicle types
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device effectively warns operators of impending rollovers and minimizes damage by automatically shutting off the vehicle's systems when critical angles are reached, operating reliably in harsh conditions and adaptable to different vehicles without reprogramming.
Implementation Method 1
The meter housing component comprises microelectromechanical sensors (MEMS), such as a gyro component and two accelerometer components
Implementation Method 2
The meter housing component comprises microelectromechanical sensors (MEMS), such as a gyro component and two accelerometer components
Implementation Method 3
The meter housing component comprises microelectromechanical sensors (MEMS), such as a gyro component and two accelerometer components which are mounted on a printed circuit board (PCB), along with LED warning lights
Data Source
AI summary
A rollover meter device is disclosed that prevents vehicle rollover and minimizes the harm and damage caused if a rollover occurs. The rollover meter device comprises a meter housing component and a digital display component that displays the current angle of the vehicle. The meter housing component comprises microelectromechanical sensors (MEMS), such as a gyro component and two tri-axial accelerometer components which are mounted on a printed circuit board (PCB), along with LED warning lights, which is then secured behind the digital display inside the meter housing component. Furthermore, the meter housing component can be in electrical communication with a vehicle's gas supply, ignition, blade rotation, Power Take Off (PTO), and/or wireless device.