Comparison of Different Methods for Numerical Approximation of Static Characteristics of McKibben Pneumatic Artificial Muscle
نویسندگان
چکیده
Pneumatic artificial muscles exhibit highly non-linear static characteristics especially due to inherent properties of their materials and compressibility of air. Therefore, it is difficult to control them without adequate modeling and simulation. The paper deals with the numerical approximation of the static characteristics of McKibben pneumatic artificial muscle. The muscle force dependence on the muscle contraction and pressure in the muscle was approximated using available software tools as Matlab Curve Fitting and Microsoft Excel and three obtained functions are expressed and shown for comparison in the paper. Key-Words: numerical approximation, static characteristic, pneumatic artificial muscle
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