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A master-slave system has been used to operate a robot. This system is necessary to communicate human intentions to the robot. In this context, we focus on Myo-Electric (ME) potential. In many previous studies, a motor is used as an actuator, and the torque and position are estimated from the ME potential. However joint stiffness, which humans can change, is not considered. It is possible to solve...
A method in which multi-valued decision diagrams (MDDs) are used to acquire robot action rules is proposed. Kanoh et al. have proposed a method, which uses multi-terminal binary decision diagrams (MTBDDs), to acquire robot action rules. But the variables of MTBDDs can only take values of 0 or 1; multiple variables are needed to represent a single joint angle. This increases the number of variables...
In recent years, robots have been used in medicine and everyday life. Therefore, it is desirable that these robots be flexible and lightweight. For this reason, we have studied and developed straight-fiber-type artificial muscles derived from McKibben-type muscles, which have excellent contraction rate and force characteristics. Last year, we developed a manipulator with six degrees of freedom using...
Robots have become an integral part of human life, and the relationship between humans and robots has grown closer. Thus, it is desired that robots have characteristics similar to humans. In this context, we paid attention to an artificial muscle actuator. We used straight-fiber-type artificial muscles, derived from the McKibben type, which have excellent characteristics with respect to the contraction...
This paper describes about research on fluid analysis simulator for elastic oscillating fin of biomimetic underwater robots. Authors has been researching biomimetic underwater vehicle such as flapping wing type. In such system, new concept of fluid analysis simulator is required because of the unique fluid characteristics of elastic oscillating fin. First of all, this paper shows basic characteristics...
Robots have entered human life, and closer relationships are being formed between humans and robots. It is desirable that these robots be flexible and lightweight. For this reason, we studied and developed an artificial muscle actuator using straight-fiber-type artificial muscles derived from the McKibben-type muscles, which have excellent contraction rate and force characteristics. However, these...
The control of joint stiffness of a robot is extremely important to guarantee safe and dexterous motion, especially for the collaborative operation between a human and a robot. Some devices to vary joint stiffness have been proposed for a tendon-manipulator so far. However, the previous devices have problems such as a complex structure, increase of friction, increase of inertia and so on. In order...
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