Takahiro Mizoguchi

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Human motion recognition systems play an important role in improving the ability of robots to support human life. This paper proposes a novel motion recognition method based on haptic data (i.e., position and force information). First, haptic data are obtained using a bilateral control system. Second, the haptic data are divided into action components,(More)
In this paper, a novel structured planar direct drive motor for use in industrial equipment is proposed. The characteristics are its flat structure compared to conventional 2 Degrees Of Freedom (DOFs) motors and realization of 2 DOFs motion within one device. The structure of the planar motor consists of two sets of coils placed perpendicularly and a(More)
In recent years, minimally invasive surgery (MIS) has been developed in medical field. MIS is performed by inserting some tools such as forceps into holes made on a patient's body. MIS requires surgeons of skills and experiences because of the limited space to operate tools and the slight tactile sensation which the operator can feel through the forceps. To(More)
Two-Step Test is now widely used to evaluate the locomotion ability of human in Japanese biomechanical clinical hospitals. It is a test in which Two-Step Value is calculated by dividing a subject's height by the maximum distance of his/her two steps of walking. The test was developed by Hirano and Muranaga in 2003 to conveniently predict human's walking(More)
Power factor in mechanical system is a new concept to express characteristic in mechanical system. It defines dynamic behavior of the impedance characteristic in the motion. However, conventional derivation method requires short-time Fourier transformation in order to consider random input in mechanical system as a combination of sinusoidal waves. This(More)
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