نتایج جستجو برای: artificial muscles
تعداد نتایج: 341195 فیلتر نتایج به سال:
The utilization of pneumatic muscles in various industrial applications is still in an early phase, due to the relative newness of these components. In this paper the authors present results of the ongoing theoretical and experimental research on the operational behaviour of pneumatic muscles. Information is presented concerning muscle structure, as well as data on the generated forces, positio...
This article is intended as an introduction to and an overview of Pneumatic Artificial Muscles (PAMs). These are pneumatic actuators made mainly of a flexible and inflatable membrane. First, their concept and way of operation are explained. Next, the properties of these actuators are given, the most important of which are the compliant behavior and extremely low weight. A classification and rev...
This paper reports on the design of a biorobotic actuator. Biological requirements are developed from published reports in the muscle physiology literature whose parameters are extracted and applied in the form of the Hill muscle model. Data from several vertebrate species (rat, frog, cat, and human) are used to evaluate the performance of a McKibben pneumatic actuator. The experimental results...
For many years, the idea of a human with bionic muscles immediately conjures up science fiction images of a TV series superhuman character that was implanted with bionic muscles and portrayed with strength and speed far superior to any normal human. As fantastic as this idea may seem, recent developments in electroactive polymers (EAP) may one day make such bionics possible. Polymers that exhib...
The high cost of powerful, large-stroke, high-stress artificial muscles has combined with performance limitations such as low cycle life, hysteresis, and low efficiency to restrict applications. We demonstrated that inexpensive high-strength polymer fibers used for fishing line and sewing thread can be easily transformed by twist insertion to provide fast, scalable, nonhysteretic, long-life ten...
For many, the idea of a human with bionic muscles immediately conjures up images of science fiction -a superhuman character in a TV series. With bionic muscles, the hero is portrayed with strength and speed far superior to any normal human. As fantastic as that idea may seem, recent developments in electroactive polymers (EAP) may one day make such bionics possible. New effective EAP materials ...
This paper describes the biped Lucy and it’s control architecture that will be used. Lucy is actuated by Pleated Pneumatic Artificial Muscles, which have a very high power to weight ratio and an inherent adaptable compliance. These characteristics will be used to let Lucy walk in a dynamically stable manner while exploiting the adaptable passive behaviour of these muscles. A quasi-static global...
This paper describes a body weight reducing walking support system using pneumatic artificial muscles. The user of the walks while sitting on saddle. saddle supports upper and reduces load lower limbs. moves up down according to user's gait by force control muscles, always performs constant action walking. To confirm effect this motion walking, was constructed, floor reaction force, gait, muscl...
Autonomous under robots are highly demanded in environmental monitoring, intelligent collection, and deep water exploration. Aquatic animals (e.g., fishes, whales, rays, etc.) are ultimate examples of superior swimmers as a result of millions of years of evolution, endowed with a variety of morphological and structural features for moving through water with speed, agility, and efficiency. Recen...
In this article we present a biologically inspired motor control scheme based on sensory-motor interaction modalities within the Central Nervous System, and its application to the control of a single joint limb segment actuated by two pneumatic McKibben muscles. The embedded Artificial Neural Network (ANN) module's architecture, whose functioning is regulated by reinforcement learning, is simil...
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