Chassis Angular Velocity Sensor Derailment Warning
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Solution Overview
Problem
Existing methods for detecting derailments are ineffective in preventing the occurrence of derailments, as they only detect the event after it has happened, failing to provide timely intervention to avoid accidents.
Innovation Solution
The method involves using sensors to detect pitch and roll angular velocities of a running chassis, setting thresholds for these values, and triggering warnings or preventive measures when they exceed predetermined limits, thereby identifying potential derailments before they happen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing derailment detection methods are used, then derailment can be detected after it occurs, but the ability to prevent derailment is lost
Solution Approach 1:
The patent applies preliminary action by detecting pitch and roll angular velocities before derailment occurs. The system continuously monitors these parameters and triggers warnings when threshold values are exceeded, enabling preventive action before the actual derailment event happens. This transforms the detection system from reactive to proactive, addressing the core contradiction between detection capability and response time.
2Measurement precision
If multiple sensors are attached to improve detection precision, then detection accuracy increases, but device complexity increases
Solution Approach 1:
The patent employs angular velocity sensors that serve multiple functions: detecting both pitch and roll angular velocities, monitoring chassis behavior, and providing data for threshold-based warning systems. By using multi-functional sensors, the system achieves high detection precision without proportionally increasing device complexity, as the same sensor infrastructure supports multiple detection objectives.
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
This approach allows for the prevention of derailments, even at low speeds, by providing early warnings and enabling efficient operation, thus avoiding damage to vehicles and tracks, and ensuring timely intervention to prevent accidents.
Implementation Method 1
Detect a pitch angle velocity and a roll angle velocity of a running chassis by a sensor (an acceleration sensor or an angular velocity sensor) attached to the frame of the chassis
Data Source
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AI summary
[OBJECT] To supply a method to detect omen of the derailment which is high precision and easy to apply to a vehicle. [SOLUTION] To detect a pitch angle velocity and a roll angle velocity of a running chassis by a sensor attached to the frame of a chassis, and determine a potential for derailment when the pitch angular velocity or multiplication value of the pitch angular velocity of the chassis is greater than the pre-set threshold, and when the roll angular velocity or multiplication value of the roll angular velocity of the chassis is greater than the pre-set threshold.