Food Printer Control Unit Using Spectral Data for Rheology
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Solution Overview
Problem
Existing food printers face challenges in reliably and precisely printing food items using different printing masses with varying rheological properties, which affects the printing process and quality.
Innovation Solution
A control unit for a food printer that uses spectral data from electromagnetic radiation to determine the properties of the printing mass, adjusting printing parameters such as pressure, position, and temperature to adapt to different rheological properties, enabling precise control and multi-component printing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different printing masses with varying rheological properties are used, then the variety of foods that can be printed is increased, but the reliability and precision of the printing process deteriorates
Solution Approach 1:
The system performs preliminary measurement of the printing mass properties using a sensor (e.g., capacitance, inductance, or optical sensor) before the actual printing process. This allows the control unit to determine the rheological properties in advance and adjust printing parameters accordingly, ensuring reliable printing despite variations in printing mass composition.
Solution Approach 2:
The system dynamically adjusts printing parameters (such as extrusion pressure, printing speed, nozzle temperature, and deposition height) based on real-time or pre-measured properties of the printing mass. This dynamic adaptation allows the food printer to maintain printing precision and reliability across different food materials with varying rheological characteristics.
2Adaptability or versatility
If different printing masses with varying rheological properties are used, then the variety of foods that can be printed is increased, but the precision of the printing process deteriorates
Solution Approach 1:
The system performs preliminary measurement of the printing mass properties using a sensor (e.g., capacitance, inductance, or optical sensor) before the actual printing process. This allows the control unit to determine the rheological properties in advance and adjust printing parameters accordingly, ensuring reliable printing despite variations in printing mass composition.
Solution Approach 2:
The system dynamically adjusts printing parameters (such as extrusion pressure, printing speed, nozzle temperature, and deposition height) based on real-time or pre-measured properties of the printing mass. This dynamic adaptation allows the food printer to maintain printing precision and reliability across different food materials with varying rheological characteristics.
3Manufacturing precision
If printing parameters are adjusted for different printing masses, then the quality of food printing is improved, but the complexity of the control system increases
Solution Approach 1:
The system uses automated sensing and control mechanisms to self-adjust printing parameters based on measured properties of the printing mass. The control unit automatically determines optimal parameters without requiring manual intervention, reducing operational complexity while maintaining high printing quality through adaptive parameter adjustment.
Solution Approach 2:
The system incorporates feedback loops where sensors measure printing mass properties and the control unit adjusts printing parameters accordingly. This closed-loop control ensures high printing quality by continuously adapting to material variations, while the automated feedback mechanism manages system complexity through algorithmic parameter optimization rather than manual configuration.
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
The solution enhances the reliability and quality of food printing by accurately determining and adapting to the properties of different printing masses, ensuring efficient and high-quality multi-component food production.
Implementation Method 1
The spectral data depend on a degree of transmission and/or a degree of reflection of the printing mass for electromagnetic radiation of at least one wavelength
Data Source
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AI summary
The invention relates to a control unit (107) for a food printer (100), which is designed to extrude printing compound (108, 208) from a container (102) onto a depositing surface (104) in order to print a food (105). The control unit (107) is designed to determine spectral data regarding the printing compound (108, 208) in the container (102). The spectral data is dependent on a transmission degree and/or on a reflection degree of the printing compound (108, 208) for electromagnetic radiation of at least one wavelength (301). The control unit (107) is furthermore designed to control the food printer (100) in dependence on the spectral data. The invention further relates to a food printer (100) having such a control unit (107) and to a method for controlling such a printer.