Press Release

Mitsubishi Electric Develops Edge-device Language Model for Domain-specific Manufacturing

Leverages data augmentation to optimize language-model responses for user applications

TOKYO–(BUSINESS WIRE)–Mitsubishi Electric Corporation (TOKYO: 6503) announced today that it has developed a language model tailored for manufacturing processes operating on edge devices. The Maisartยฎ-branded AI technology has been pre-trained with data from Mitsubishi Electricโ€™s internal operations, enabling it to support a wide range of applications in specific manufacturing domains. In addition, the model leverages a uniquely developed data-augmentation technique to generate responses optimized for user-specific applications.


The widespread adoption of generative AI is accelerating the use of large language models (LLMs). However, the significant computational and energy costs associated with LLMs are a growing concern. Additionally, there is increasing demand for generative AI solutions that can operate in on-premises environments due to data privacy and confidential information management requirements.

In response, Mitsubishi Electric has developed a domain-specific language model by training a publicly available Japanese base model with the companyโ€™s proprietary data from its own business domains, including factory automation (FA). Using training data generated through the companyโ€™s original augmentation techniques enabled effective, task-specific fine-tuning. The resulting model is compact enough to run on limited hardware resources, making it suitable for environments with constrained computing capabilities such as edge devices, as well as for on-premises operations such as call centers that handle sensitive customer information.

For the full text, please visit: www.MitsubishiElectric.com/news/

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Customer Inquiries
Information Technology R&D Center

Mitsubishi Electric Corporation

www.MitsubishiElectric.com/ssl/contact/company/rd/form.html

Media Inquiries
Takeyoshi Komatsu

Public Relations Division

Mitsubishi Electric Corporation

Tel: +81-3-3218-2332

[email protected]
www.MitsubishiElectric.com/news/

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