Confront the vibrations and sounds around you! - Discern the good from the bad -
Monozukuri (Saitama University Research Seed Collection 2025-27 p.61)
Keywords: seismic resistance, seismic isolation, vibration isolation, sound, brain waves, electromyography, sports
The research fields are broad, including quiet engineering, seismic and vibration engineering, acoustics, sports engineering, and bioinformatics. In general, the research focuses on vibrations, sounds, and movements. Vibrations and sounds exist in our daily lives. Some of them can be harmful to us, while others enrich our lives. For example, the earthquakes that have been frequent in recent years have caused damage to people and structures. Additionally, harmful vibrations and noise are generated in factories, automobiles, railways, aircraft, and countless other sources. On the other hand, there are also many applications that utilize vibrations. Various uses of vibrations include transportation, rock drilling machines, and in the realm of sound, music and alarm sounds, among others. Harmful vibrations and sounds should be reduced, while usable vibrations and sounds should be effectively utilized. This requires understanding their characteristics through observation and measurement, modeling and simulation, as well as establishing design guidelines and evaluating human perception and sensitivity. Currently, research is being conducted on increasing rigidity by twisting thin plates and evaluating human comfort using brain waves.
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Tetsuya Watanabe, Professor Graduate School of Science and Engineering, Department of Mechanical Science, Human Support Engineering Area 【Recent Research Topics】 ● The mechanics of fly casting ● Leaf spring seismic isolation mechanisms ● Clarifying the relationship between facial expressions and emotions using brain waves
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【Appeal Points to the Industry】 ● Proposing various seismic isolation mechanisms. ● Capable of analyzing the behavior of flexible strings using multi-body dynamics. ● Able to propose strategies for vibration reduction and noise reduction. 【Examples of Practical Applications】 ● Development of a new type of seismic isolation device. ● Development of a casting transport device. ● Development of a damping device utilizing nonlinear elements.
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The Saitama University Open Innovation Center is a center that functions as a liaison office for industry-academia-government collaboration. It consists of three departments: the Industry-Academia-Government Collaboration Department, the Intellectual Property Department, and the Startup Support Department, each staffed with coordinators well-versed in various fields. The center's activities include solving technical challenges in companies, supporting the implementation of joint research, and conducting technology transfer aimed at introducing and utilizing Saitama University's intellectual property.