Modular Sensor Heads on Common Support for Web Quality Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing web manufacturing and processing systems face challenges in efficiently measuring and maintaining the quality of web properties, as primary sensor heads are exposed to environmental conditions, leading to degradation, and require frequent maintenance, causing process interruptions and inability to monitor additional characteristics during product specification changes.
Innovation Solution
A modular sensing system featuring a common support with independently moving primary and stand-alone sensor heads, where primary sensor heads include commonly used sensors and stand-alone sensor heads have less frequently used sensors, reducing exposure to environmental conditions and allowing for seamless switching during maintenance or product specification changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If primary sensor heads are continuously exposed to environmental conditions for monitoring web characteristics, then measurement capability is maintained, but sensor degradation occurs leading to frequent maintenance requirements
Solution Approach 1:
The system divides sensor heads into separate functional groups: primary sensor heads for continuous monitoring and stand-alone sensor heads for backup and specialized measurements. This segmentation allows the primary sensors to remain in service longer while stand-alone sensors handle maintenance and switching operations, reducing overall process interruptions.
Solution Approach 2:
The system changes the operational state of sensor heads by switching between primary and stand-alone configurations. When degradation is detected or maintenance is needed, the system transitions from using primary sensor heads to stand-alone sensor heads, effectively changing the operational parameters to maintain measurement capability while allowing maintenance.
2Adaptability or versatility
If multiple sensor heads are used to monitor additional characteristics, then measurement versatility is improved, but system complexity increases
Solution Approach 1:
Stand-alone sensor heads are designed to perform multiple functions: they can serve as backup for primary sensors, monitor additional web characteristics, and be deployed in different positions along the common support. This multi-functionality allows the system to handle various measurement needs without proportionally increasing complexity.
Solution Approach 2:
The system employs dynamic positioning and configuration of sensor heads along the common support. Sensor heads can be moved and repositioned based on measurement needs, allowing the system to adapt to different monitoring requirements without requiring a fixed complex architecture for each scenario.
3Area of stationary object
If sensor heads are positioned to span the entire web width for comprehensive monitoring, then measurement coverage is improved, but sensor exposure to environmental conditions increases leading to faster degradation
Solution Approach 1:
The monitoring system segments the web width coverage among multiple sensor heads positioned at different locations along the common support. Each sensor head covers a specific section, reducing individual exposure while collectively spanning the entire web width. This segmentation allows rotation and replacement of individual sensors without exposing all sensors continuously to harsh conditions.
Data Source
Figure 1~2
Figure 3A~3B
Figure 4A~4C
AI summary
A system includes at least one common support (202, 208a, 208b) configured to span at least a width of a web (108) of material in a manufacturing or processing system (100). The system also includes multiple sensor heads (204a, 204b, 204c) each configured to move independently along at least part of the at least one common support. The sensor heads can be configured to move simultaneously along the at least one common support, and at least one controller (104, 310a, 310b) can be configured to control movement of the sensor heads so that the sensor heads do not contact one another. Each sensor head could include one or more sensors (304a, 304b) configured to measure one or more characteristics of the web. Different sensor heads could include different types of sensors. The sensor heads can be configured to move in non-overlapping patterns over or under the web. Different sensor heads can be configured to move at different speeds.