Neural Network Belt Control for Closed-Loop Carrier Throughput

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Solution Overview

Problem

Existing closed-loop transportation systems face inefficiencies in carrier throughput due to mechanical tolerances and empirical adjustments, leading to increased implementation and maintenance efforts, reduced throughput, and potential bottlenecks.

Innovation Solution

A computer-implemented device using a neural network to dynamically control the belt system in a closed-loop transportation system, adapting operation parameters based on real-time status signals to optimize throughput and reduce waiting times.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional gapping and synchronization mechanisms with predefined rules are used to control carrier handover, then mechanical damage is avoided, but system throughput is reduced and waiting times increase

Engineering Contradiction:
Improvecarrier handover safetyVSAvoidsystem throughput
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent applies dynamics by transitioning from static, predefined synchronization rules to a dynamic neural network-based control system. The neural network continuously processes real-time status signals and dynamically adjusts handover timing, allowing the system to adapt to varying carrier positions and belt speeds while maintaining safety margins. This dynamic approach eliminates fixed waiting periods and enables smoother, more efficient carrier transfers.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements feedback by using a neural network that continuously receives status signals from the transportation system (carrier positions, belt speeds, system state) and adjusts handover control decisions in real-time. This closed-loop feedback mechanism replaces open-loop predefined rules, allowing the system to respond to actual system conditions and optimize throughput while maintaining safety through learned patterns from training data.

Inventive Principle:
Principle #23Feedback

2Reliability

If empirical adjustments and trial-and-error methods are used to optimize system parameters, then mechanical tolerances are accommodated, but implementation and maintenance efforts increase

Engineering Contradiction:
Improvetolerance compensationVSAvoidsystem configuration complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies self-service by enabling the neural network to automatically learn and adapt to system characteristics, mechanical tolerances, and optimal operating parameters through training. The system performs self-configuration and self-optimization without requiring manual empirical adjustments or trial-and-error commissioning. The neural network internally captures tolerance compensation strategies and applies them autonomously during operation, significantly reducing implementation and maintenance complexity.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces mechanical adjustment mechanisms and manual tuning procedures with an intelligent software-based neural network system. Instead of physically adjusting components to accommodate tolerances, the neural network processes sensor data and makes real-time control decisions, substituting mechanical trial-and-error methods with computational intelligence that automatically adapts to system variations.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If constant belt speed is maintained for safe carrier attachment, then mechanical damage is prevented, but system flexibility and throughput are reduced

Engineering Contradiction:
Improvecarrier attachment safetyVSAvoidsystem flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent applies dynamics by replacing constant belt speed control with dynamic speed adjustment based on neural network predictions. The system continuously adapts belt speed to match optimal handover conditions while maintaining safety margins, enabling smooth acceleration and deceleration profiles that accommodate varying carrier positions and processing requirements. This dynamic speed control maintains attachment safety while significantly improving system flexibility and throughput.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements parameter changes by allowing the neural network to dynamically modify belt speed as a control parameter based on real-time system state and learned patterns. Instead of fixing the speed parameter, the system continuously adjusts it within safe operating boundaries to optimize carrier handover timing and system throughput, transforming a static parameter into a dynamically optimized variable.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP4621510A1Computer-implemented device, computer-implemented method, and computer program product for controlling a closed-loop transportation system
Publication Date: 2025.09.24 SIEMENS AG
  • EP4621510A1 patent drawingFigure 1A~1B
  • EP4621510A1 patent drawingFigure 2
  • EP4621510A1 patent drawingFigure 3

AI summary

The invention relates to a computer-implemented device for controlling a closed-loop transportation system, the closed-loop transportation system comprising a linear transport system, including a first end and a second end as well as a belt system arranged to form a closed-loop between the first end and the second end of the linear transport system, wherein the computer-implemented device comprises a receiving unit for receiving a number N of status signals with N ≥ 1, the number N of status signals including a certain indication for a current operation status of the closed-loop transportation system, a calculating unit using at least one neural network, said at least one neural network being configured to provide at least one output signal for controlling the belt system using the number N of status signals as input and a controlling unit for controlling the belt system using the provided at least one output signal.