Beijing: Researchers Improving 3D Printing with Artificial Intelligence

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Researchers from Tsinghua University are investigating artificial intelligence and all that surrounds it, from materials to workflow, performance, and all the elements of intelligent construction. Their experiments are outlined in the recently published, ‘Re-perceive 3D printing with Artificial Intelligence.’

Today, artificial intelligence (AI) is becoming even more of a reality, and its uses continue to travel far beyond imagery, speech, and the ability to make choices. Architects are expanding construction methods with AI, and within digital construction, positively disrupting conventional practices—and offering enormous potential. In this study, the researchers explore the possibilities of finding new, universal methods for AI—along with mapping material/distribution properties to material behavior.

Their new system can print a spatial wireframe either in 2.5 or 3D, and without supports. Because of intermolecular forces and more, it is not possible to achieve comprehensive control of the printing process with basic software. The researchers studied automatic systems and image processing in order to create a model calculating the printed code, while the other predicts G-Code.

Two-way mapping between Gcode and the printed form

The main workflow includes:

  • Development of an automatic mechanical system
  • Training the forward and backward models
  • Model and method evaluation

In model training, the researchers included:

  • Deep learning
  • Data augmentation
  • Forward model
  • Backward model

Image to data

The ultimate goal is to propel a new manufacturing process forward, centered around the use of dynamic material properties. They report that their new model has ‘already achieved a positive result,’ with shapes printed accurately; however, there is still a concern as to whether they can predict a G-Code set for curves required for printing. Their new method expands the application of a scientific workflow and creates a direct end-to-end connection—from fabrication to the final form.

“… compared to the traditional method of developing material models that require different fields of knowledge and workflow for different material properties, the method and logic of the work described in this paper is universal and proven to be capable of generalization when applied to producing a diversity of material performance models that encompass multiple systems of non-related material behavior, such as the active process of bending elastomer and the reform process of melting thermoplastics.

”For architects, architectural design ultimately relies on the selection and construction of materials. In the long run, new building materials and new construction methods will bring about tremendous changes in the construction industry, as well as new architectural styles. We believe that the approach presented in this article will be a positive inspiration to herald this change,” concluded the researchers.

Artificial intelligence is gaining further ground and accompanies 3D printing and other related technologies too as researchers around the world endeavor to seek further imaging recognition capabilities, use it as a measuring device in 3D printing, and even analyze cardiac health.

What do you think of this news? Let us know your thoughts! Join the discussion of this and other 3D printing topics at 3DPrintBoard.com.

Structure of Convolutional Neural Networks (CNN)

[Source / Images: ‘Re-perceive 3D printing with Artificial Intelligence’]

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