Analytical, Experimental, and Numerical Investigation of Energy in Hydraulic Cylinder Dynamics of Agriculture Scale Excavators

Ryo Arai, Satoru Sakai, Akihiro Tatsuoka and Qin Zhang
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Ryo Arai: Faculty of Mechanical Engineering, Shinshu University, Nagano 390-8553, Japan
Satoru Sakai: Faculty of Mechanical Engineering, Shinshu University, Nagano 390-8553, Japan
Akihiro Tatsuoka: Mitsubishi Heavy Industries, Tokyo 100-8332, Japan
Qin Zhang: Biological Systems Engineering, Washington State University, Pullman, WA 99164-6120, USA

Energies, 2021, vol. 14, issue 19, 1-20

Abstract: This paper discusses energy behaviors in hydraulic cylinder dynamics, which are important for model-based control of agriculture scale excavators. First, we review hydraulic cylinder dynamics and update our physical parameter identification method to agriculture scale experimental excavators in order to construct a nominal numerical simulator. Second, we analyze the energy behaviors from the port-Hamiltonian point of view which provides many links to model-based control at laboratory scale at least. At agriculture scale, even though the nominal numerical simulator is much simpler than an experimental excavator, the analytical, experimental, and numerical energy behaviors are very close to each other. This implies that the port-Hamiltonian point of view will be applicable in agriculture scale against modeling errors.

Keywords: hydraulic machinery; physical parameter identification; energy; port-Hamiltonian theory (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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