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(1)Department of Computer Science National Chengchi University. 立立. 政 治Thesis Master’s 大. •‧. •‧ 國. ㈻㊫學 y. Nat. n. al. er. io. sit. An Exploratory Study Of Wearable Motion Guidance System. Ch. engchi. i n U. July 2015. v.

(2) An Exploratory Study Of Wearable Motion Guidance System Student:Yen-Yu Chen Advisor:Nen-Hao Yu. 立立. 政 治 大. y. •‧. •‧ 國. ㈻㊫學. Nat. io. sit. A Thesis. er. submitted to Department of Computer Science. al. n. v i n National C h Chengchi University engchi U. in partial fulfillment of the Requirements for the degree of Master in Computer Science.

(3) 立立. 政 治 大. •‧. •‧ 國. ㈻㊫學. n. er. io. sit. y. Nat. al. Ch. engchi. i n U. v.

(4) Abstract. Nowadays, exercise and fitness have become a growing trend. Since the access to the internet resources is very easy and popular, many people choose to do exercise through digital online videos, which not only they can arrange their own exercising schedule, but also they can learn the courses at home. Traditionally, a better way for exercise learning is getting assistance from a professional coach, who can give instruction immediately, and adjust by direct body contact right away while the exercisers act incorrectly. However, the online video can not accomplish the purpose.. 立立. 治 that the exercisers rely only on the 政 On the condition 大. cognition of their own bodies they might not notice their posture different from the video.. •‧. •‧ 國. tactile feedback.. ㈻㊫學. This research aimed to provide guidelines to do the correct posture or movement through. From past till now, the researches of tactile feedback are of considerable numbers, we. y. Nat. can find the related researches back to 1950s. Recently it starts to be applied in exercising. io. sit. guiding. However, the applications only provide passive instructions, which require users to. n. al. er. memorize the relationship between the tactile feedbacks and the correspond actions. Users. i n U. v. are unable to react by instinct. In this research, we imitate the way of body movement driven by the muscles contraction.. Ch. engchi. We design artificial external muscles on a sleeve to guide. forearm pronation and supination. The wearable tactile feedback sleeve consists of stepper motors to provide pulling force, fishing wires and elastics to imitate muscle contraction to drive the forearm to roll. This system design has been revised three times, and we finally established a wearable tactile feedback device which has guiding effect. 10 participants are recruited for the experiments. The result showed that this device can guide forearm rolling successfully (the accuracy is 98%). The participants commented that the feedback is very close to instinct. They felt their arm was guided by the device, and knew the exact moment to roll their forearm.. In the second experiment, we tried to guide the. forearm rolling for several target angles and the result was quite promising. The mean error is.

(5) within 3 degrees. We also reported the participants’ reactions through our tactile feedback system. We will expand the system to guide the other parts of human body in the future.. 立立. 政 治 大. •‧. •‧ 國. ㈻㊫學. n. er. io. sit. y. Nat. al. Ch. engchi. i n U. v. Keywords: tactile feedback, motion guidance, artificial external muscle, wearable device.

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(7) 立立. 政 治 大. •‧. •‧ 國. ㈻㊫學. n. er. io. sit. y. Nat. al. Ch. engchi. i n U. v.

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