研究目的
To develop a simulation tool for energy consumption prediction with selective laser melting (SLM) in the design phase using MATLAB?/Simulink?.
研究成果
The simulation tool is feasible for analyzing and evaluating energy consumption of SLM in the design phase. The result of the use case shows that the more parts are built in one job, the higher energy efficiency can be achieved. However, further work of an experimental comparison to analyze the simulation reliability is still called for.
研究不足
The reliability and accuracy of this simulation model requires further study and confirmation. The simulation result of this case is significant higher than the experiment, which may be due to the consideration of the energy consumption of peripheral units and the small size of the part manufactured.
1：Experimental Design and Method Selection:
The development approach includes 5 phases: data acquisition, definition of system parameters, modeling using bond graphs, creation of Simulink? models, and creation of data structure and GUI.
2：Sample Selection and Data Sources:
Technical documents of the machine Concept Laser Mlab Cusing R and its peripheral units like vacuum cleaner and glovebox are collected.
3：List of Experimental Equipment and Materials:
System components include laser device, deflection device, CNC module, power module, vacuum pump, oxygen meter, circulation fan, protective gas source, motors, screening device, compressed air source, vacuum cleaner, and cooling device.
4：Experimental Procedures and Operational Workflow:
The power flow of the system is analyzed and mapped in a word bond graph. Simulink? models are created and configured according to the mapped energy flows.
5：Data Analysis Methods:
The data structure is implemented in .m files and the GUI is programmed in .mlapp file by using MATLAB? App Designer.
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