Filling Station Valve Timing Adaptation
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Solution Overview
Problem
Existing packaging machines face challenges in maintaining high performance over time due to varying product properties and mechanical component uniqueness, leading to inefficiencies in filling processes and potential package integrity issues.
Innovation Solution
An adaptive and dynamic method for adjusting parameter settings of a filling station in a packaging machine, using sensors to determine actuation time points for inlet and outlet valves based on threshold values, allowing for individualized and time-varying calibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If packaging machines are highly automated to increase production rates, then productivity increases, but the complexity of control and functioning of components increases
Solution Approach 1:
The system uses sensors to detect actual valve positions and piston movements, then feeds this information back to the control unit. The control unit compares actual positions with commanded positions and automatically adjusts timing parameters to compensate for deviations, enabling self-correction without increasing operational complexity
Solution Approach 2:
The system performs automatic calibration and adaptation of timing parameters without requiring manual intervention. The control unit autonomously determines optimal actuation time points by analyzing sensor data from multiple filling cycles, allowing the machine to self-optimize its performance
2Manufacturing precision
If calibration is performed to optimize filling performance, then manufacturing precision improves, but the calibration process becomes more complex and time-consuming
Solution Approach 1:
The system automatically determines optimal actuation time points by analyzing sensor data from multiple filling cycles. The control unit performs calibration computations autonomously without requiring manual intervention or specialized calibration procedures, simplifying the process while maintaining high precision
Solution Approach 2:
The system performs timing adjustments based on preliminary analysis of valve and piston behavior. By determining actuation time points in advance through automated analysis of sensor data from initial filling cycles, the system prepares optimal parameters before production begins, reducing the need for complex ongoing calibration
3Reliability
If individualized calibration is performed for each packaging machine, then reliability improves, but the ease of operation decreases
Solution Approach 1:
Each packaging machine automatically performs its own individualized calibration by analyzing sensor data from its specific components. The control unit autonomously determines machine-specific actuation time points without requiring manual calibration procedures, maintaining reliability while simplifying operation
Solution Approach 2:
The system uses feedback from sensors monitoring actual valve and piston behavior to automatically adapt timing parameters for each specific machine. This automated feedback mechanism ensures individualized optimization without requiring manual intervention, making the system both reliable and easy to operate
4Adaptability or versatility
If manual adjustment of valve timing is performed, then adaptability to product variations improves, but productivity decreases due to slower speed
Solution Approach 1:
The system automatically adapts to different product properties by analyzing sensor data from sensors monitoring valve positions and piston movements. The control unit uses this feedback to automatically adjust timing parameters for each filling cycle, providing adaptability equivalent to manual adjustment but at full machine speed without reducing productivity
Solution Approach 2:
The system replaces manual mechanical adjustment of valve timing with an automated electronic control system. Sensors and control units automatically detect and compensate for timing variations based on product properties, eliminating the need for manual intervention while maintaining adaptability and preserving high production rates
Data Source
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AI summary
The present invention relates to a method (300) for adjusting parameter settings for a filling station (106) in a packaging machine (100), wherein the filling station (106) comprises: a pump (200) comprising a hollow body (202), an inlet valve (204a), an outlet valve (204b) and a piston (206). The method (300) comprising: obtaining (S302), via one or more sensors, sensor data relating to the inlet valve (204a) and the outlet valve (204b) respectively, wherein the sensor data is indicative of a position and/or speed of the inlet valve (204a) and the outlet valve (204b); identifying (S304) a first point in time at which the sensor data indicates that the position and/or speed of the inlet valve (204a) reaches a first threshold value; identifying (S306) a second point in time at which the sensor data indicates that the position and/or speed of the outlet valve (204b) reaches a second threshold value; identifying (S308) a third point in time at which a movement of the piston (106) between a volume-reducing position and a volume-increasing position is started; based on a comparison between the first and third point in time, and a comparison between the second and third point in time, determining (S310) an actuation time point of the inlet valve (204a) and/or an actuation time point of the outlet valve (204b); and updating (S312) the parameter settings used by a control unit (112) of the filling station (106) based on the actuation time point determined for the inlet valve (204a) and/or the actuation time point determined for the outlet valve (204b).