A Constant Force Traction Control System Based on Pneumatic Muscle

Abstract

An embodiment of the present invention provides a constant force traction control system based on pneumatic muscles, the system includes a force sensor, a pneumatic muscle, a processing module and a pneumatic drive control module, wherein: the force sensor is used to obtain the real-time traction force of the pneumatic muscle; the pneumatic muscle , used to generate traction force through the compressed air provided by the pneumatic drive control module, and the front end of the pneumatic muscle is connected to the force sensor; the processing module is used to compare the real-time traction force with the preset traction force, and process the comparison result through the successive approximation method, Obtain the single air pressure change of the pneumatic muscle; the pneumatic drive control module is used to supply pressure and air pressure monitoring to the pneumatic muscle, and adjust the real-time traction of the pneumatic muscle according to the single air pressure change. If the adjusted real-time traction If it is the same as the preset traction force, the constant force traction control of the aerodynamic muscle is completed. The embodiment of the present invention effectively improves the traction effect of the pneumatic muscle.

Description

technical field [0001] The invention relates to the technical field of pneumatic muscle bionics, in particular to a constant force traction control system based on pneumatic muscles. Background technique [0002] With the advancement of science and technology and the development of the economy, fractures have become one of the common injuries in life. Fractures are more common in traffic accidents, falls from heights, and earthquakes, and children and the elderly are high-risk groups for fractures. According to surveys, the incidence of fractures in the elderly over 60 years old is close to one-third. In the process of fracture, it is often accompanied by soft tissue injury, blood vessel rupture and severe pain. In severe cases, it may cause massive bleeding, serious damage to internal organs, and even life-threatening. [0003] For fracture reduction treatment, a crucial step is to solve the problem of intraoperative traction. The traditional fracture reduction operation...

AI Technical Summary

Problems solved by technology

The traditional fracture reduction operation adopts manual traction, which needs to overcome the large soft tissue binding force. The traction is completely dependent on the doctor's experience. The long-term surgical traction greatly consumes the doctor's physical strength, and the traction effect is unstable; the orthopedic traction bed uses The mechanical device magnifies the effect of force and enhances the stability of traction. However, the orthopedic traction bed adopts a rigid traction traction method, which reduces the feeling of traction effect that the doctor and the patient directly contact, and reduces safety. Excessive traction may cause ligament tear , long-term traction will cause muscle pain and other problems

At the same time, the orthopedic traction bed is large in size, occupying surgical space, and restricting the doctor's surgical operation

[0004] Since the existing two methods cannot achieve dynamic and stable constant force traction

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