当研究室に所属する4名の学生が修士号、7名の学生が学士号を取得しました。おめでとうございます！

2026年度精密工学会春季大会学術講演会にて研究発表を行いました。

書誌情報：村松優樹, 筒井優介, 妻屋, Web情報からの生物機能・構造語の自動抽出と設計着想支援のための一考察, 精密工学会春季大会学術講演会講演論文集, 2026/03/17.

概要：生物は環境に適応する中で多様な機能・構造を発達させており，これらは製品設計における新発想のヒントとなる可能性を秘めている．一方，生物の専門家ではない設計者がこれらの情報を有効活用するのは容易ではない．これを踏まえ本研究では，Web上の生物に関する記述に自然言語処理を施すことでその機能と構造のペアを抽出する手法を構築した．本稿では，本手法の概要およびその妥当性，設計への活用を検討した結果を報告する．  

36th CIRP Design 2026で研究発表を行いました。

書誌情報：Yusuke Tsutsui, Yasumasa Kogamoto and Akira Tsumaya, Assessing the risk of functional change propagation in early-stage redesign: A network-based approach integrating qualitative and quantitative design representations, Procedia CIRP, 2026.03.17.

概要：Design involves creating novel artifacts based on hypotheses and is inherently uncertain because user purposes and usage environments change over time. Therefore, improvement through design changes is often required. These changes rarely occur in isolation and may affect other design elements. Because artifact functions are central to meeting user needs, predicting how changes will propagate to functions in early design stages is essential. Most existing studies on design change propagation management focus on predicting propagation using quantitative representations of design parameters. Although these approaches are effective for anticipating the effects of specific parameter changes, they are less suitable for early-stage design, where reasoning often uses natural language. This study proposes a method to evaluate the risk of functional change propagation during early-stage redesign. The method models design objects as a network that combines qualitative information described in natural language with quantitative information represented by variables. This approach enables risk assessment of how changes in one function may affect others in early-stage design, where reasoning occurs in natural language. A case study on ballpoint pen redesign demonstrates the practical value of the method. The study’s contributions are twofold: academically, it offers a new perspective on design change propagation by integrating qualitative and quantitative representations of design objects; practically, it provides a structured method to support early-stage risk assessment in functional design changes.