Linear Motor Synchronization for Precise Timestamped Position Control
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Solution Overview
Problem
Current linear motor systems in industrial applications, such as packaging assemblies, lack a robust and automatic method for error detection and synchronization of movable members, leading to imprecise sensor measurements and potential operational failures.
Innovation Solution
A linear motor system with a synchronization device that transmits a synchronization signal to movable members, allowing their processing units to adjust internal clocks and timestamp data synchronously with a system control unit, ensuring precise data correlation and reduced errors in handling and sealing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If data from sensors on movable members is collected without synchronization, then data collection is simple, but measurement precision deteriorates due to imprecise temporal correlation
Solution Approach 1:
A central synchronization unit acts as an intermediary between the control system and sensor data. This unit receives unsynchronized timestamps from movable members, correlates them with synchronized system timestamps, and adjusts temporal references without requiring complex changes to individual sensor devices.
Solution Approach 2:
The patent replaces complex mechanical synchronization mechanisms (such as centralized clock distribution systems) with a software-based timestamp correlation approach. The processing unit correlates timestamps through computational methods rather than physical time synchronization hardware.
2Productivity
If operator checking is used for error detection, then system complexity is low, but productivity deteriorates due to manual intervention requirements
Solution Approach 1:
The system implements automated feedback loops where sensor data from movable members is continuously monitored, correlated with system state, and analyzed by the control unit to detect errors automatically. This replaces manual operator checking with an automated feedback-based monitoring system.
Solution Approach 2:
The system performs self-diagnosis and error detection through automated analysis of sensor data and timestamp correlations, reducing dependence on external operator intervention while maintaining system monitoring capabilities.
3Measurement precision
If direct measurements of handling process are implemented, then measurement precision improves, but device complexity increases due to additional sensors and processing
Solution Approach 1:
The synchronization unit and timestamp correlation mechanism serve multiple functions: they synchronize data from multiple sources, provide temporal reference for error detection, enable process measurement, and support automated monitoring. This multi-functional approach avoids the need for separate systems for each function.
Solution Approach 2:
The patent combines the synchronization function with the data processing function in a unified approach. The same processing unit that collects sensor data also performs timestamp correlation and error detection, merging multiple functions into a single integrated system rather than using separate dedicated components.
Data Source
AI summary
There is described a linear motor system, comprising: a track, a synchronization device configured to transmit a synchronization signal, at least one movable member coupled to the track and configured to move along the track, the at least one movable member comprising a synchronization sensor, configured to detect the synchronization signal, and a processing unit coupled to the synchronization sensor and configured for adjusting an internal clock as a function of the synchronization signal.