著者
齊藤 亜由子 木澤 悟 雑賀 高
出版者
公益社団法人 日本工学教育協会
雑誌
工学教育 (ISSN:13412167)
巻号頁・発行日
vol.69, no.4, pp.4_40-4_45, 2021 (Released:2021-08-01)
参考文献数
13

In this paper, we focused on researchers in the engineering field and examined the relationship between career self-reliance and the experience of writing research papers. We conducted a questionnaire survey on the research paper writing experience and career self-reliance for researchers in the engineering field who had experience as professors in higher education institutions. As a result, we found that “A sense of achievement and growth experience gained by writing a research paper” affects both “Psychological aspects of career self-reliance” and “Behavioral aspects of career self-reliance”. Especially, the survey results demonstrated that “A sense of achievement and growth experience gained by writing a research paper” affects “Professional self-efficacy” and “Adaptation behavior to changes in the work environment”.
著者
齊藤 亜由子 宮脇 和人 木澤 悟
出版者
一般社団法人 日本機械学会
雑誌
日本機械学会論文集 (ISSN:21879761)
巻号頁・発行日
vol.83, no.852, pp.17-00234-17-00234, 2017 (Released:2017-08-25)
参考文献数
16
被引用文献数
2

This paper presents a proposed method for center of gravity (COG) velocity estimation during squatting using information obtained from lower limb motion measurements. A squat exercise uses the lower limb joints and the muscles around these joints. The squat exercise velocity changes according to the lower limb muscle activity. Some earlier reports of relevant studies have suggested that muscle weakness and neurological deterioration influence the COG velocity when standing up. Therefore, it is important to clarify the relation between the COG velocity and lower limb motion for efficient training and the prevention of falls among older people. For this study, we constructed a squat velocity model that represents the relation between the COG velocity and lower limb joint power during squatting. Although no joint power indicates each muscle activity in detail, it is possible to estimate muscle activities around the joints approximately by using the joint power. For this experiment, the squat exercise was measured using a 3D motion analysis system. The experiment was conducted for three stance widths. The COG velocity and the lower limb joint powers were calculated using information from the 3D motion analysis system. We estimated the squat velocity model parameters by application of Kalman filter using the measurement information. The analysis results for the squat velocity model indicated a quantitative relation between the COG velocity and the lower limb joint power during squatting. Furthermore, comparable results were obtained from three stance widths. This analytical method is anticipated for use in evaluation of motor function and exercise assisting device design.