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公开(公告)号：US11633318B2
公开(公告)日：2023-04-25
申请号：US17326874
申请日：2021-05-21
申请人： JTEKT CORPORATION
IPC分类号： A61H1/02
摘要： An assist device includes a first body-worn unit that is worn on at least shoulders or a chest of a user; a second body-worn unit that is worn on each of right and left legs or a waist of the user; a belt body provided to extend along a back side of the user, from the first body-worn unit to the second body-worn unit; an actuator provided in the first body-worn unit or the second body-worn unit and allows a part of the belt body to be reeled and unreeled; a battery configured to supply electricity to the actuator; and a controller configured to control the actuator. When a remaining charge level of the battery has decreased to a predetermined set value, the controller executes a vibrating motion process of causing the actuator to perform a vibrating motion of intermittently repeating reeling of a minute amount of the belt body.
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公开(公告)号：US10710237B2
公开(公告)日：2020-07-14
申请号：US15920502
申请日：2018-03-14
申请人： JTEKT CORPORATION
摘要： An assist device includes a body wearing unit and an actuator unit. The actuator unit includes an output link configured to pivot about a joint of an assist target body part and to be attached to the assist target body part; an actuator including an output shaft configured to generate an assist torque via the output link; a torque determination unit configured to determine a combined torque obtained by combining a user torque and the assist torque from the output shaft, the user torque being input from the output link when the user causes the assist target body part to pivot; a correction unit configured to calculate a correction amount for the determined combined torque; and a pivot angle control unit configured to control a pivot angle of the output shaft based on the determined combined torque and the calculated correction amount.
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公开(公告)号：US10386207B2
公开(公告)日：2019-08-20
申请号：US15431151
申请日：2017-02-13
申请人： JTEKT CORPORATION
发明人： Yoshitaka Yoshimi , Hiromichi Ohta
摘要： A frequency detector includes an oscillation related information output portion to which moving body position related information and a correction parameter are input, and which outputs a frequency adjustment parameter and estimated moving body position related information; a frequency estimating portion to which the frequency adjustment parameter is input, and which outputs an estimated frequency; and an adjusting portion to which the moving body position related information, the estimated moving body position related information, and the estimated frequency are input, and which outputs the correction parameter.
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