Design optimization of dual-axis driving mechanism for satellite antenna with two planar revolute clearance joints

Bai, Zheng Feng; Zhao, Jing; Chen, Jun; Zhao, Yang

doi:10.1016/j.actaastro.2017.11.015

Cited by 52 publications

(32 citation statements)

References 34 publications

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“…Because of the tangential friction, the rub-impact action aggravates the wear under the subsidence for the crosshead. Many research results (Bai et al., 2018; Cavalieri and Cardona, 2018; Erkaya, 2018b) have shown that tangential friction can seriously affect the dynamic behavior of mechanical systems. Therefore, the friction cannot be ignored.…”

Section: System Model Of Single-stage Reciprocating Compressor Witmentioning

confidence: 99%

Nonlinear dynamic response of reciprocating compressor system with rub-impact fault caused by subsidence

Xiao

Liu

Jiang

et al. 2019

Journal of Vibration and Control

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In this paper, a nonlinear dynamic model of the single-stage reciprocating compressor system with a rub-impact fault caused by subsidence is developed, considering the piston rod flexibility. Meanwhile, different rub-impact scenarios of the crosshead including no corner, a single corner, two opposite corners, and two adjacent corners of the crosshead impacting on the slide, are considered in this model. Numerical simulation results show that the subsidence, time-varying load, and piston rod flexibility have significant effects on the vibration response of the reciprocating compressor system with rub-impact, where the larger the subsidence and time-varying load, the more intense the vibration response. Moreover, compared to the rigid piston rod, the flexible piston rod causes the system to generate stronger shock. In the rub-impact, the crosshead appeared in three different motion modes: noncontact; permanent contact; and collision – and most of the collisions occur in the form of two adjacent corners impacting on the slide. In addition, strange attractors are observed in the phase space trajectories, and the existence of chaotic behavior is verified using the Poincaré section method and maximum Lyapunov exponent method.

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Section: System Model Of Single-stage Reciprocating Compressor Witmentioning

confidence: 99%

Nonlinear dynamic response of reciprocating compressor system with rub-impact fault caused by subsidence

Xiao

Liu

Jiang

et al. 2019

Journal of Vibration and Control

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“…Meanwhile, the joint clearance size also increases along with the wear between the journal and bushing in the clearance joint, which further degrades the performance of the mechanism, that is, decreased accuracy and service life. 3–5…”

Section: Introductionmentioning

confidence: 99%

Experimental investigations of the dynamic responses of a multi-link mechanism with revolute clearance joints

Zhao

Xie

et al. 2021

Advances in Mechanical Engineering

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Joint clearance is unavoidable in the revolute joint of multi-link mechanism. Excessive value of joint clearance generally leads to the noise, vibration, and fatigue failure. In this paper, a multi-link articulated mechanism system with three revolute clearance joints is selected as the study object. At first, its ideal motion equations and dynamic responses without joint clearance are outlined. Then an experimental rig is set up, and the acceleration responses of the mechanism in different scenarios are investigated. Comparative analysis indicates that in the presence of joints clearance, clear periodic transient impacts appear in the acceleration outputs while this mechanism moves to specific positions, and the impacts amplitude increases along with the clearance size and driving speed. Also, certain sequence among three motion states of clearance joint, named free flight, penetration and continuous-contact is observed twice in one circle movement of the mechanism. Besides, the clearance joint at the end of the transmission chain has greater effects on the mechanism system than the other joints. Finally, flexible rubber sleeves are set into the clearance joints, and the obtained experimental results indicate that the undesired transient impact by clearance joints on the mechanical system can be suppressed by flexible sleeves.

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“…Pointing mechanisms are widely used in aerospace fields, which are important devices for antenna and some optical payloads [1][2][3]. With the development of aerospace science and technology, the quality requirements of pointing mechanism become increasingly high.…”

Section: Introductionmentioning

confidence: 99%

Trajectory Planning in Joint Space for a Pointing Mechanism Based on a Novel Hybrid Interpolation Algorithm and NSGA-II Algorithm

et al. 2020

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Design optimization of dual-axis driving mechanism for satellite antenna with two planar revolute clearance joints

Cited by 52 publications

References 34 publications

Nonlinear dynamic response of reciprocating compressor system with rub-impact fault caused by subsidence

Nonlinear dynamic response of reciprocating compressor system with rub-impact fault caused by subsidence

Experimental investigations of the dynamic responses of a multi-link mechanism with revolute clearance joints

Trajectory Planning in Joint Space for a Pointing Mechanism Based on a Novel Hybrid Interpolation Algorithm and NSGA-II Algorithm

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