Servo-Driven Dough Processing Machine Torque Control
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Solution Overview
Problem
Current dough processing machines require complex setups and higher costs due to manual operation and the need for additional sensors to monitor and control dough parameters, especially in larger machines, which complicates the control of processing steps and increases maintenance.
Innovation Solution
A method and machine that utilize servomotors to measure and analyze the torque time profile, allowing for the automatic determination of operating parameters without additional sensors, enabling gentle processing and preventing dough tearing or rippling by calculating parameters based on the torque curves of the servomotors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If additional sensors (cameras, infrared sensors) are used to monitor dough parameters in larger machines, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The system uses the servomotors' own torque measurements to determine dough parameters, eliminating the need for external sensors. The control unit processes torque data from the servomotors to calculate dough characteristics, making the system self-sufficient and reducing complexity.
Solution Approach 2:
The servomotors serve dual functions: they both drive the dough processing elements (rollers, conveyors) and simultaneously provide torque measurements for dough parameter determination. This multi-functionality eliminates the need for separate sensing systems.
2Device complexity
If manual operation and adjustment are used for smaller machines, then device complexity is reduced, but manufacturing precision deteriorates
Solution Approach 1:
The control unit continuously receives torque measurements from the servomotors, calculates dough parameters in real-time, and uses this feedback to automatically adjust processing parameters. This closed-loop control ensures consistent precision without requiring manual operator intervention.
Solution Approach 2:
The system automatically determines and adjusts processing parameters based on calculated dough characteristics from torque measurements. This enables precise control of dough processing parameters through automatic parameter adaptation rather than manual adjustment.
3Manufacturing precision
If torque measurement and automatic parameter determination are implemented, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The existing servomotors and control unit are utilized for torque measurement and parameter determination, avoiding the addition of separate measurement and control systems. The control unit processes torque data to calculate dough parameters and automatically adjusts processing, making the system self-sufficient.
Solution Approach 2:
The control unit performs multiple functions: it controls the servomotors, measures torque, calculates dough parameters, and automatically adjusts processing parameters. This consolidation of functions into existing components minimizes additional complexity while achieving precise control.
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
This approach simplifies the structure and operation of dough processing machines, allowing for automatic parameter determination and gentle processing without additional sensors, reducing the risk of dough tearing and rippling, and enhancing processing efficiency.
Implementation Method 1
a first servomotor (3), which drives the first conveyor belt (2), and a second servomotor (10), which drives the first roller (9)
Data Source
Figure 1~2
AI summary
The present application relates to a method for operating a dough processing machine comprising a first conveyor belt and a first roller, wherein an adjustable roller gap is formed between the first roller and the first conveyor belt or a second roller. The first conveyor belt is driven by a first servo motor, and the first roller, and optionally the second roller, are driven by a second servo motor. A control unit continuously measures the torque for each servo motor. Based on the time course of the measured torque of one of the servo motors, or by comparing the time courses of the measured torques of the servo motors, the control unit calculates at least one operating parameter of the dough processing machine and/or at least one parameter of a dough processed by the dough processing machine.