Synchronous characteristic of three homodromy motors in vibrating isolation system

Hou, Yaxin; Peng, Huan; Fang, Pan; Zha, M.

doi:10.1007/s12206-020-1204-2

Cited by 14 publications

(3 citation statements)

References 16 publications

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“…When three URs are in linear distribution on a RF, the three URs can achieve the RF's swinging and elliptical motion or linear motion by changing three URs' different installation methods [17][18][19][20], but the operation efficiency of vibrating system cannot be improved in the ultra-resonant state [19,20]. Besides, the anti-resonance system with three URs and two RFs is proposed to explore its motion selection [17,18,21]. It shows that the main rigid frame (MRF) can achieve swinging and elliptical motion while the accessorial rigid frame (ARF) is static by installing two URs on the same axis and symmetrically placing another UR on the other sides [17].…”

Section: Introductionmentioning

confidence: 99%

“…But when four IURs are installed on the same RF, exciting forces of the URs can be cancelled mutually and the RF is static under the condition of self-synchronization [15,16]. When three URs are in linear distribution on a RF, the three URs can achieve the RF's swinging and elliptical motion or linear motion by changing three URs' different installation methods [17][18][19][20], but the operation efficiency of vibrating system cannot be improved in the ultra-resonant state [19,20]. Besides, the anti-resonance system with three URs and two RFs is proposed to explore its motion selection [17,18,21].…”

Section: Introductionmentioning

confidence: 99%

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Investigation on the Self-synchronization of Dual Steady States for a Vibrating System with Four Unbalanced Rotors

Jiang

Zhao

Wang

et al. 2021

Preprint

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In the field of vibration utilization engineering, to achieve the maximum degree or the highest efficiency use of the excitation force is still a hotspot among researchers. Based on this, this paper has carried out a series of synchronous theoretical analysis on the four identical unbalanced rotors (IURs) symmetrically and circularly mounted on a rigid frame (RF) model, which is used to drive a cone crusher. The dimensionless coupling equations of the four IURs are established using the improved small parameter method. The analysis of the coupling dynamics characteristics of the system shows that the four motors of the system adjust the speed through the synchronous torque to achieve synchronization, and a parameter determination method for realizing offset self-synchronization to eccentric force was put forward under the steady state of ultra-resonance. Furthermore, the relationship between the equivalent stiffness of the crushed material and crushing force and compression coefficient is discussed, and the design method of the full-load crusher working under the steady state of sub-resonance is proposed. Finally, through a series of computer simulations, the correctness of the self-synchronization of dual steady states is verified.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Investigation on the Self-synchronization of Dual Steady States for a Vibrating System with Four Unbalanced Rotors

Jiang

Zhao

Wang

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

“…This problem will induce the decrease or zero of resultant force generated by the ERs, and further leads to the weakening or even disappearance of the separation ability of the machinery. Thus, to address the problems above, some measures are proposed to increase the excitation force of the system by adjusting the phase differences (PDs) among the ERs to zero (i.e., in-phase synchronization state), such as bonding multiple ERs in gear shafts (Wen et al, 2009), connecting multiple rotors by coupling unit or torsion spring (Du et al, 2020;Hou et al, 2020), and applying self-synchronization principle (Chen et al, 2016;Hou et al, 2021;Zhang et al, 2020Zhang et al, , 2021Zhao et al, 2010). Although the in-phase synchronization of multiple ERs is effectively acquired by aforementioned measure, the structure and strength of vibration screen become more complicated and weaker when suffering from the large load, and the large size of the vibration screen is inconvenient to use in narrow work space.…”

Section: Introductionmentioning

confidence: 99%

Control synchronization of three eccentric rotors driven by motors in space considering adaptive fuzzy sliding mode control algorithm

Shi

Fang

Zha

et al. 2021

Journal of Vibration and Control

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In this paper, to obtain ideal dynamic behavior of vibration screen, control synchronization of three eccentric rotors (ERs) driven by motors in space vibration system is investigated by employing the adaptive fuzzy sliding mode control (AFSMC) algorithm. First, the dynamic model of the vibration system is established, and the motion equation of the electromechanical coupling system is derived via Lagrange equation. Then, the synchronization controllers of three ERs are systematically designed with the combination of AFSMC algorithm and master–slave control (MSC) structure, and the stability of the control system is verified by Lyapunov theory. Additionally, in comparison with the conventional sliding mode control (SMC) algorithm, the superiority and feasibility of the proposed AFSMC strategy are confirmed through numerical simulation in MATLAB/Simulink. Moreover, the robustness of the control system is demonstrated in the simulation via changing the motor velocities and structure parameters. The research result shows that the proposed adaptive strategy can effectively control the ERs to implement the desired in-phase synchronization motion, and the control method possesses commendable efficacy in reducing chattering, enhancing control accuracy, eliminating overshoot, and resisting parameter perturbation.

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Synchronization phenomenon in a vibration system with three rigid frames driven by two co-rotating unbalanced rotors

Chen,

Zhang,

Sorokin

2024

Nonlinear Dyn

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Synchronous characteristic of three homodromy motors in vibrating isolation system

Cited by 14 publications

References 16 publications

Investigation on the Self-synchronization of Dual Steady States for a Vibrating System with Four Unbalanced Rotors

Investigation on the Self-synchronization of Dual Steady States for a Vibrating System with Four Unbalanced Rotors

Control synchronization of three eccentric rotors driven by motors in space considering adaptive fuzzy sliding mode control algorithm

Synchronization phenomenon in a vibration system with three rigid frames driven by two co-rotating unbalanced rotors

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