We need to restore the limb movement more, therefore, this traditional myoelectric control method can not achieve multi-degree of freedom control of artificial limbs.In addition, the current control method of electromyogram is not consistent with "natural" use of limb. Therefore, the current myoelectric prosthetic exists in long training process andclumsy movements, the heavy burden of the user's spirit. According to statistics,among amputees with myoelectric prosthesis, less than 50% of people are often using their prostheses.
The research and development of an advanced prosthetic control system improve the handling performance of the upper limb prostheses,that offer a multi-functional, intuitive (bionic) manipulated prosthetic system.It not only improves he quality of life and job opportunities for the amputees , but also greatly reduces service cost by the country, enterprises and families.
At present, the research of intelligent prosthetic hand is still at the initial stage, and there is no definite definition of intelligent artificial hand. In summary, the so-called intelligent prosthetic hand, combines microelectronics technology, computer control technology and bio-hospital engineering and sensor technology and a series of high-tech together to produce a bionic hand that imitates feelings and action of the hands.
Intelligent hand prosthesis has become a comprehensive project of rehabilitation engineering, biological hospital, mechanism, computer, automatic control technology, microelectronic technology, sensor technology, robotics and so on. With the development of new materials and technologies, the research of artificial hand will be improved constantly. The ultimate goal of the intelligent prosthetic hand research is to create the shape that is similar to the human hand and skin, is close to the function of human hand.They have real-time action control of grasp.Intelligent prosthetic hand is a beautiful goal for researchers to carry on the research unremittingly.
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