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Electroelastic Actuator of Nanomechatronics Systems for Nanoscience
... [1][2][3][4][5][6][7][8][9][10][11] The nano piezoengine is used for biomechanics for scanning microscopy, nano manipulator, dosing device, nano pump. [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27] In articles 1,3,18 the absolute stability of control system under deterministic influences is considered. The sets of equilibrium positions of the systems the piezoengines under deterministic influences are obtained in articles. ...
... 18,23 Structural models and transfer functions of the piezoengines are defined in. [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22]24,25 In this work the absolute stability of system with the piezoengine under randomly influences is obtained for biomechanics. ...
The sufficient condition of absolute stability system with nano piezoengine by using the derivative of the hysteretic piezoengine deformation is determined for the randomly influences. The set of equilibrium positions of the piezoengine in the control system is stable relative to mathematical expectations, when the condition of absolute stability with the maximum piezo module is met. The statistical linearization method is using for the determination condition of absolute stability control system with the nano piezoengine.
... Preisach hysteresis function a piezo actuator has the form [22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40] The transfer function of the linear part of the scan system with a piezo actuator for elastic-inertia load 22 ...
For the control system with a piezo actuator in astrophysical research the condition for the existence of self-oscillations is determined. Frequency method for determination self-oscillations in control systems is applied. By using the harmonious linearization of hysteresis and Nyquist stability criterion the condition of the existence of self-oscillations is obtained.
The multi-layer longitudinal piezo engine with parallel and coded control is used for nano biomedical research. The characteristics of the multi-layer longitudinal piezo engine with parallel and coded control are determined for nano biomedical research. The characteristics of the multi-layer longitudinal piezo engine are obtained by applied method of mathematical physics.
In the work is calculated of the piezoactuator for astrophysics. The structural scheme of the piezoactuator is determined for astrophysics. The matrix equation is constructed for the piezoactuator. The mechanical characteristic is determined. The parameters of the piezoactuator are obtained in nano control systems for astrophysics.
An electromagnetoelastic actuator is electromagnetomechanical device, intended for actuation of mechanisms, systems or management, based on the piezoelectric, piezomagnetic, electrostriction, magnetostriction effects, converts electric or magnetic signals into mechanical movement and force. The piezo actuator is used in vibration compensation and absorption systems in aircraft and rotorcraft elements, in nanotechnology research for scanning microscopy, in laser systems and ring gyroscopes. The structural scheme of an electromagnetoelastic actuator for nanotechnology research is constructed by using the equation of electromagnetoelasticity and the linear ordinary second-order differential equation of the actuator under various boundary conditions. An electromagnetoelastic actuator is using in nanotechnology, microelectronics, nanobiology, astronomy, nanophysics for the alignment, the reparation of the gravitation and temperature deformations. The nanomanipulator with the piezo actuator is applied in the matching systems in nanotechnology. In the present work, the problem of building the structural scheme of the electromagnetoelastic actuator is solving in difference from Mason’s electrical equivalent circuit. The transformation of the structural scheme under various boundary conditions of the actuator is considered. The matrix transfer function is calculated from the set of equations for the structural scheme of the electromagnetoelastic actuator in control system. This matrix transfer function for the deformation of the actuator is used in nanotechnology research. The structural schemes and the elastic compliances of the piezo actuators are obtained by voltage or current control. The structural scheme of the magnetostriction actuator is constructed for nanotechnology research. The characteristics of the piezo actuator are determined. The structural scheme of the piezo actuator with the back electromotive force is obtained. The transformation of the elastic compliances of the piezo actuators is considered for the voltage and current control.
For the nano piezoactuator with hysteresis in control system its set of equilibrium positions is the segment of line. By applying Yakubovich criterion for system with the nano piezoactuator the condition absolute stability of system is evaluated.
The structural model of the nano piezoengine is determined for applied biomechanics and biosciences. The structural scheme of the nano piezoengine is obtained. For calculation nano systems the structural model and scheme of the nano piezoengine are used, which reflect the conversion of electrical energy into mechanical energy of the control object. The matrix equation is constructed for the nano piezoengine in applied biomechanics and biosciences.
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