Mechanical Engineering / Makina Mühendisliği
Permanent URI for this collectionhttps://hdl.handle.net/11147/4129
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Conference Object Development of a Force Sensor for Biomechanical Simulations of a Cycling Activity(IEEE, 2022) Karacaoğlu, Bilal; Şahin, Ahmet Mert; Çıklaçandır, Samet; Yılmaz, Mehmet; Mihçin, ŞenayKnowing the forces applied to the pedals during a cycling activity is of great importance in the field of biomechanics when calculating the loads acting on the joints. A load cell-based force sensor was designed for this purpose since the force plate fixed to the floor in gait laboratories cannot be used to measure the reaction forces on the bicycle pedal due to physical constraints. To investigate the accuracy and precision of the force plate, a two-stage experiment, static and dynamic force measurement tests were designed. First, the first static measurements were carried out with standard loads of 1000 g, 1200 g, 1500 g. To understand the behavior of the sensors under dynamic loading, dynamic measurements were conducted while the designed force sensor is attached to the bike pedal while using a commercially available power meter simultaneously to cross-validate the measured forces. Standard loads of 1000 g, 1200 g, and 1500 g were measured as 1020 ± 2 g, 1196 ± 2 g, and 1512 ± 1 g respectively. To assess the agreement between measurements Bland-Altman plot analysis was carried out. The Bland-Altman plots showed that the force platform is appropriate for both measuring static loads and dynamic loads. The collected data via this custom-made, affordable force sensor was successfully fed into the biomechanical modeling software to calculate the joint reaction forces.Conference Object A Fiber-Oriented Muscle Model for Predicting the Soft Tissue Deformation During Muscle Contraction(Mary Ann Liebert, 2022) Tang, Lei; Shan, Cunqing; Wang, Ling; Li, Dichen; Mihçin, ŞenayEffective designing of rehabilitation apparatus with high comfort and functionality depends upon the accurate characterization of the shape of the residual limb as well as its volume and shape fluctuations. The active behavior of skeletal muscles, which plays an important role in the interfacial biomechanics of human-machine interaction, is not considered in the current design processes of the rehabilitation apparatus. In this study, a three-dimensional finite element (FE) model of the human thigh was proposed to simulate the soft tissue deformation caused by muscle contraction.Article Citation - WoS: 2Citation - Scopus: 6Towards Integration of the Finite Element Modeling Technique Into Biomedical Engineering Education(World Scientific Publishing, 2022) Mihçin, Şenay; Çıklaçandır, SametBiomedical engineering (BME) is a multidisciplinary field, resulting in a heavy course load from different fields. We hypothesize that the engineering curriculum be tailored according to the requirements of the BME profession. In this study, we focus on the teaching of the finite element modeling (FEM) technique by redesigning the course to address the needs of the BME profession by some custom-made changes to meet the unmet needs. After the completion of the course, evaluation methods of the students were analyzed and detailed over a survey providing feedback from the students. The surveys were related to the teaching the theory of FEM, the laboratory sessions, and the project sessions. The survey results were evaluated using statistical methods. The Pearson correlation coefficient showed a linear agreement between theoretical and practical sessions indicating efficient blending of skills because of the custom-made changes. The survey analysis showed that the students were in favour of the changes, allowing them to be more resourceful and confident with their skills. The positive results indicate a positive attitude among the students towards their profession. As the course design addresses the needs of the profession allowing students to fit in better, the students might follow their own profession after graduation. A wider follow-up study might be planned next to compare the results between who received tailor-designed courses and those who did not.