Synchronized Sensor Set for Rotating Machine Performance Indicators
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Solution Overview
Problem
Existing sensor devices for monitoring rotating machines cannot accurately synchronize or exchange sensor data, leading to incomplete and inaccurate performance indicators in dynamic systems.
Innovation Solution
A method and sensor set that synchronize first and second sensor devices coupled to rotating machines, allowing them to share data packets containing sensed operating parameters, enabling accurate calculation of performance indicators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sensor devices operate independently without synchronization, then each sensor can function autonomously with simple operation, but the measurement precision and accuracy of performance indicators deteriorate due to inability to correlate data from multiple sensors
Solution Approach 1:
The patent combines multiple independent sensor devices into a coordinated system where sensors share data through broadcasting and receiving mechanisms. The sensors are merged into a networked system that calculates performance indicators collectively, allowing accurate correlation of rotational speed data from driving and driven machines while maintaining individual sensor autonomy.
Solution Approach 2:
Each sensor device is designed with multi-functionality: it can sense operating parameters locally, broadcast its data to other sensors, receive data from other sensors, and participate in collective performance indicator calculation. This universal design enables sensors to serve multiple purposes within the monitoring system without requiring dedicated specialized devices.
2Loss of information
If sensor devices continuously transmit and receive data, then data availability for performance calculation is improved, but power consumption increases reducing battery life
Solution Approach 1:
The patent implements periodic data transmission and reception cycles where sensors broadcast their data at defined intervals and enter low-power states between transmissions. This periodic operation ensures that performance indicators can be calculated with sufficient data availability while minimizing continuous power consumption of the battery-powered sensor devices.
3Productivity
If each sensor device processes all sensor data locally, then calculation speed is improved, but device complexity and computational requirements increase
Solution Approach 1:
The patent segments the computational workload by having each sensor device responsible for sensing and broadcasting its specific operating parameters, while the actual performance indicator calculation is performed collectively by the sensor network. This segmentation allows individual sensors to remain computationally simple while achieving accurate performance measurement through data aggregation and coordinated processing across the sensor set.
Data Source
AI summary
A method for monitoring a first machine and a second machine is described. The machines are rotating machines. Sensor devices are coupled to the machines. The method includes synchronizing a first sensor device and a second sensor device; sensing, by the first sensor device, an operating parameter of the first machine; and sensing, by the second sensor device, an operating parameter of the second machine. The sensing of the second operating parameter is synchronized to the sensing of the first operating parameter. The method further includes broadcasting, by the first sensor device, a data packet comprising the sensed operating parameter of the first machine; receiving, by the second sensor device, the data packet sent by the first sensor device; and calculating, by the second sensor device, a performance indicator from the received operating parameter of the first machine and the sensed operating parameter of the second machine.