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Article
Study on nonlinear dynamic behavior and stability of aviation pressure servo valve-controlled cylinder system
In this paper, aiming at the phenomenon of self-excited oscillation caused by nonlinear factors in a large aircraft wheel brake control system, the nonlinear dynamic behavior of the pressure servo valve-contro...
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Article
Open AccessParameters Sensitivity Characteristics of Highly Integrated Valve-Controlled Cylinder Force Control System
Nowadays, a highly integrated valve-controlled cylinder (HIVC) is applied to drive the joints of legged robots. Although the adoption of HIVC has resulted in high-performance robot control, the hydraulic force...
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Article
Adaptive extraction method for trend term of machinery signal based on extreme-point symmetric mode decomposition
In mechanical fault diagnosis and condition monitoring, extracting and eliminating the trend term of machinery signal are necessary. In this paper, an adaptive extraction method for trend term of machinery sig...
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Article
Study on nonlinear dynamics characteristics of electrohydraulic servo system
The electrohydraulic servo system (EHSS) has been widely utilized in industry and national defense. However, it is a complex dynamics system composed of many parts. The anomalies are easy to happen in operatio...