Tuesday, October 15, 2024

US engineers develop ChatGPT algorithm to design photo voltaic cells – pv journal International

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OptoGPT is a brand new algorithm that makes use of the pc structure that underpins ChatGPT. Its creators say it should allow researchers and engineers to design optical multilayer movie buildings for a variety of functions, together with photo voltaic cells.

Engineers from the University of Michigan have developed a brand new algorithm able to designing optical multilayer movie buildings for functions, together with photo voltaic cells.

OptoGPT (Opto Generative Pretrained Transformer) makes use of the pc structure behind ChatGPT to work backwards from the specified optical properties to the fabric construction that may present them.

The algorithm creates designs for multilayer movie buildings, composed of stacked skinny layers of various supplies, reported inside 0.1 seconds. Well-designed multilayer buildings can maximize the sunshine absorption of a photo voltaic cell, and also can optimize the design of different optical element producers, equivalent to telescopes. On common, OptoGPT designs have six fewer layers than earlier fashions, in line with its creators. This signifies that its designs are simpler to create.

“Designing these buildings often requires lots of coaching and talent as figuring out one of the best mixture of supplies, and the thickness of every layer, just isn’t a straightforward activity,” stated L. Jay Guo , professor {of electrical} and pc engineering on the University of Michigan. The mannequin works by treating supplies of a sure thickness as phrases and encoding the related optical properties as inputs. It seems for correlations between these “phrases” and predicts the following phrase to create a “phrase” that achieves the specified property. “In a way, we’re creating synthetic sentences to suit the prevailing construction of the mannequin,” Guo stated.

Guo is the corresponding creator of “OptoGPT: A foundational mannequin for the reverse design of optical multilayer skinny movie buildings,” a analysis paper just lately revealed in Opto-Electronic Advances.

The paper says that OptoGPT can “successfully resolve the non-trivial drawback of multilayer construction design… Combined with many proposed strategies, our mannequin can combine the inverse scheme underneath various kinds of enter targets underneath totally different incident angle/polarization, may be utilized to various kinds of buildings , in addition to velocity up the manufacturing course of by offering selection and suppleness.

The researchers acknowledge that though they used a big dataset with 10 million samples for coaching, the dataset “covers solely a small a part of the huge and sophisticated design scheme related to optical multilayer skinny movie buildings.”

They say that because of the limitations of the coaching dataset, OptoGPT could not acknowledge designs that fall exterior the sampled design area.

“The shut collaboration of a number of analysis teams is required to acquire a greater mannequin for a extra normal and higher design of the photonic distinction that expands to extra advanced buildings, ” concluded the researchers.

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