Linear Drive Conveyor Movement Device Identification
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Solution Overview
Problem
Existing linear electric drive conveyor systems require complex external sensors to identify and differentiate between various types of movement devices, which is costly and unreliable.
Innovation Solution
A method that involves lining up movement devices with different external geometries, determining their positions, and identifying their types based on these positions, without the need for external sensors, using a control unit and internal sensor systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex external sensors are used to identify movement devices, then identification reliability improves, but system cost and complexity increase
Solution Approach 1:
The movement devices identify themselves by their natural geometric characteristics. Each movement device type has a distinct external geometry (e.g., holder vs. counterholder shapes), and the system automatically detects these geometries through positioning data during lining up, eliminating the need for external identification sensors.
Solution Approach 2:
The patent replaces complex external sensor systems with a mathematical-evaluative approach. The control unit calculates expected positions based on stored geometric data and compares them with actual measured positions, using algorithmic evaluation instead of physical sensor detection to identify movement device types.
2Measurement precision
If complex external sensors are used to identify movement devices, then identification accuracy improves, but manufacturing cost increases
Solution Approach 1:
The system creates a digital copy or model of the physical geometric characteristics of movement devices. The control unit stores expected position data corresponding to different movement device geometries, and uses this digital representation to accurately identify actual devices without requiring expensive physical sensors.
Solution Approach 2:
The movement devices provide their own identification information through their inherent geometric properties. The system exploits the natural geometric differences between device types (such as holder versus counterholder geometries) to enable automatic identification without additional identification components.
3Productivity
If movement devices are lined up at high speed, then productivity improves, but risk of damage increases
Solution Approach 1:
The system performs preliminary identification of movement device types before the full high-speed conveying process begins. During an initial lining up phase, devices are identified at controlled speeds, their types are determined through geometric analysis, and this information is stored. Subsequent operation can then proceed at full speed with the control unit using this pre-acquired geometric data.
Solution Approach 2:
The control unit continuously monitors the positions of movement devices during the lining up process and compares actual positions with expected positions based on stored geometric data. This feedback mechanism allows the system to detect deviations and adjust speeds or positioning to prevent damage while maintaining productivity.
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
Enables cost-effective and reliable identification of different types of movement devices, allowing for flexible operation and preventing damage during the lining up process, as it does not require external sensors and can be performed gently.
Implementation Method 1
a linear electric drive conveyor (10) having a plurality of movement devices (12-18) which are electromagnetically and independently movable
Data Source
AI summary
The invention relates, inter alia, to a method for operating, preferably initializing, a linear electric drive conveyor having a plurality of movement devices. The method comprises lining up the plurality of movement devices such that the plurality of movement devices that have been lined up touch one another. Positions of the plurality of movement devices that have been lined up are determined. At least one first movement device and/or at least one second movement device is/are identified in the plurality of movement devices that have been lined up on the basis of the determined positions. The method advantageously makes it possible to dispense with external sensors for the purpose of identification. The method can also be used particularly flexibly in each section of the linear electric drive conveyor.