Modification and Its Application of Identification Inputs for Hydraulic Arms

This paper discusses an identification input for nominal hydraulic arms. First, we focus on input-output nonlinearity which exists even in the absence of nonlinear friction and prevents us from observing measuring behaviors. Second, propose a new based physical parameters arms via special nondimensionalization technique. Third, show effectiveness experimentally. Finally, application proposed to observe measure Especially, frequency domain, identify uncertainty that was impossible conventional input.