Simulation and experimental validation of the dynamical model of a dual-rotor vibrotactor

Miklós, Ákos; Szabó, Zsolt

doi:10.1016/j.jsv.2014.06.011

Cited by 46 publications

(22 citation statements)

References 22 publications

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“…To solve this problem, control synchronization is proposed by many scholars. Such as, the digital control of dual DC motors in a vibration system was studied by Miklós, which helps the vibration system to implement the ideal frequency and amplitude [12]. The strategy of cross-coupling and master-slave control were applied in the synchronization control, and the motion accuracy of the controlled systems is significantly improved [13], [14].…”

Section: Introductionmentioning

confidence: 99%

Synchronous Control of Multi-Motor Coupled With Pendulum in a Vibration System

et al. 2020

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In this paper, the synchronous control method for multi-motor coupled with pendulum in a vibration system is introduced. The dynamic model of three eccentric rotors (ERs) driven by three motors rotating in the same direction in the system is firstly established. However, to obtain elliptical trajectory, the ideal synchronization motion (zero-phase difference) of the three ERs should be satisfied. Therefore, the synchronous control strategy for the proposed system is described. Then, the exponential reaching law sliding mode control (ERL-SMC) with adjacent cross-coupling control structure is applied to design the controllers of rotational velocity error and synchronization error. Meanwhile, the stability performance of the controllers is demonstrated by Lyapunov theory and Hurwitz condition. Furthermore, the adaptive method is applied to the ERL-SMC to improve the control accuracy of the system. Finally, computer simulation based on Matlab/Simulink is implemented to validate the effectiveness of the control system; besides, the impact of parameter perturbations in the control system are considered to verification the robustness of controllers related to the velocity and synchronization. INDEX TERMS Synchronous control, vibration system, exponential reaching law, sliding mode control adjacent cross-coupling control.

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Section: Introductionmentioning

confidence: 99%

Synchronous Control of Multi-Motor Coupled With Pendulum in a Vibration System

et al. 2020

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“…1 Since Huygens proposed a description of synchronization of two pendulums, a large number of scholars have been attracted to study synchronization on different objects. With their efforts, a lot of research results have been proposed, and they mainly focus on two aspects of the eccentric rotor (ER, also named exciter) [2][3][4][5][6] and pendulum. [7][8][9][10] In these results, synchronization of ERs is one of the greatest engineering significance.…”

Section: Introductionmentioning

confidence: 99%

Selected synchronous state of the vibration system driven by three homodromy eccentric rotors

Chen

2019

Journal of Low Frequency Noise, Vibration and Active Control

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In order to verify that the vibration system driven by multi-eccentric rotors has multiple synchronous states, a model of three eccentric rotors horizontal installation of plane motion is established to study the coupling dynamic characteristics. Based on the average method of modified small parameters, the frequency capture equation is constructed to obtain the conditions of synchronous motion and vibration synchronization transmission. According to the synchronous conditions, the stability state of achieving synchronous motion is converted into the solution of balance equation of the synchronous torque. There are multiple solutions to the torque equation because of the non-linear characteristics of the vibration system driven by multi-eccentric rotors. Then the stability condition is used to estimate which of the solutions is stable. After substituting the parameters of the experimental machine into the above method, the curves of the phase difference and its stability coefficients of three eccentric rotors system are obtained numerically. Two experiments show that the selected synchronous state depends on the initial condition and external disturbance, and if the vibration synchronization transmission conditions are satisfied, three eccentric rotors can not only achieve vibration synchronization transmission of one motor with switching off the power but also that of two motors with switching off the power.

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“…An adaptive feedforward control law is used by Tomizuka et al on the motion synchronization [11,12]. Li et al use the adaptive sliding mode control algorithm to study the speed tracking and synchronization of multiple induction motors [13][14][15]. Kong xiangxi [16] et al study the two nonidentical homodromy coupling exciters driven by inductor motors in a vibratory system with controlled synchronization.…”

Section: Introductionmentioning

confidence: 99%

Multiple‐Frequency Controlled Synchronization of Two Homodromy Eccentric Rotors in a Vibratory System

Jia

Kong

Zhang

et al. 2018

Shock and Vibration

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Multifrequency controlled synchronization of two homodromy eccentric rotors is investigated. The vibrating screen with two rotors is a typical underactuated system. So, the model of the vibrating screen is converted to a synchronization motion problem. Firstly, the mechanical-electromagnetic coupling dynamical model of the vibrating system is established. And then the fuzzy PID method is used for the two motors which are based on the master-slave control strategy. The slave motor uses the method of the phase ratio to trace the master motor and achieve the synchronous motion. Through the simulation, the two rotors cannot reach the state of multifrequency self-synchronization. And, then, it is realized by multifrequency controlled synchronization. The article presents the motion trails of the vibrating system between one and two times and realizes the zero phase difference after each period. Finally, some experiments are used to verify the accuracy and effectiveness of the conclusion in the simulation and analysis of the feature of the movement tracks.

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Simulation and experimental validation of the dynamical model of a dual-rotor vibrotactor

Cited by 46 publications

References 22 publications

Synchronous Control of Multi-Motor Coupled With Pendulum in a Vibration System

Synchronous Control of Multi-Motor Coupled With Pendulum in a Vibration System

Selected synchronous state of the vibration system driven by three homodromy eccentric rotors

Multiple‐Frequency Controlled Synchronization of Two Homodromy Eccentric Rotors in a Vibratory System

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