features of plc based process control

... consists of a block of height H = h and length L with four hemispherical legs of radius R The center of mass of the slider can be moved vertically The slider is pulled at its center of mass against ... behavior The position of the slider center of mass is found to strongly influence the instability regions Figure 10 shows the effect of moving the center of mass of Interaction Figure of Vibration and ... of the plate respectively We consider the case of free vibration of die plate, when the external load P is zero Then by using the method of separation of variables, the transverse vibration of...

Ngày tải lên: 17/02/2016, 14:35

... detection of hidden structural flaws, without damaging the surface or function of structure Some of the most common non destruction testing methods are based on visualization of flaws by means of various ... (10) For ξ ∉ Γ,∉ Ω In discretization of the boundary, every element has one or a lot of nodes At e e node m of element e: the value of u is u m and the value of q is qm Shape functions Φ m describe ... approach is to establish a system of equations with many variable unknowns of equations The principle of collocation is to locate the load point sequentially at all nodes of the discretization such...

Ngày tải lên: 13/08/2014, 22:21

... capable of detecting delamination in vertical resolution of about mm when it is equipped with a transmitting antenna of 1.6 GHz central frequency With the help of Maxwell’s equations, the laws of ... from the knowledge of the frequency dependence of the complex relative permittivity and magnetic permeability of a material, the shielding effectiveness of a structure made of that material can ... change of a material sample by means of a couple of antennas The measurement is carried out in free space in a wide broadband frequency range, which extends from a few tens of MHz to tens of GHz...

Ngày tải lên: 19/06/2014, 19:20

... the scattering process of the height of heterogeneity of the surface At the increase of the angle of incidence of the falling light begins as though not to “notice” the height of non heterogeneity ... The noted features of dispersion are investigation of combination of chaoticness and selfsimilarity relief of scattering surface Conclusion In this chapter in the frame of the Kirchhoff method ... calibration degree of surfaces (or with growth of its large-scale heterogeneity) the picture of scattering becomes complicated Independence of the type of scattering surface there is dependence of the scattering...

Ngày tải lên: 19/06/2014, 19:20

... dissipative media, and chiral media, a set of modal equations of electromagnetic waves for all of those media are obtained, each of which shows the existence of electromagnetic sub-waves, meanwhile ... propagate All of these new theoretical results need to be proved by experiments in the future 10 Appendix A: Proof of the eigenmode of electromagnetic operator matrix The Maxwell’s equation of anisotropic ... The convergence of the method have been analyzed during the numerical studies Additionally, in order to verify the correctness of the developed method the research of a number of open and closed...

Ngày tải lên: 19/06/2014, 19:20

... degree of excitation, are inversely proportional to the product of the effective depth of penetration of the fields and currents into the walls, the skin depth, and the conductivity of the metal of ... the degree of excitation Since the quality factor Q of the resonator is the ratio of the stored energy and the energy losses per cycle to the walls, it is independent of the degree of excitation ... walls and is due to the finite conductivity of the metal of the walls The total energy of the oscillations is the integral over the volume of the cavity of the energy density, W= (ε 0E2 + μ0 H )dv...

Ngày tải lên: 19/06/2014, 19:20

... number of the lower surface of delamination in typical trace N0 is sample number of the upper surface of delamination t is time depth of the whole trace with the unit of s N is sample number of the ... interpretation result of the same radar profile in software of REFLEX after the processing of subtract DC shift, band pass butterworth, background removal and F-K migration It is the combination of presentation ... than that of the electromagnetic wave in dry clay 0.4 Distance/m 1.2 0.8 1.8 2.0 0 1.5 Depth/m 0.05 Time/ns 1.0 0.5 2.0 0.10 Fig Presentation of post-processed GPR profile in software of Ground...

Ngày tải lên: 19/06/2014, 19:20

... properties of all population of atoms of the surface The amplitude of maxima ascends with the increase of quantity of the monolayers of copper atoms on nickel Thus, angular distribution of photoelectrons ... momentum of the taken off electron is defined basically by action produced by the electric vector of quantum of light on electron If electron takes off in the direction of an electric vector of quantum ... Dependence of volumetric density of energy of electromagnetic radiation impulse w (curve 1) and average on atoms of number of filling N (curve 2) from time; and - points of an excess of function...

Ngày tải lên: 19/06/2014, 19:20

... any medium Because of all of these reasons, ε is a measure of refractive index, reflection, volume and wave polarization of electromagnetic, impedance of medium Propagation of electromagnetic ... The cutoff frequency for negative power dissipation in GaAs 4.2.1 Electric field dependence of the cutoff frequency From the real part of the power dissipation spectra, we can find the cutoff frequencies ... 4.3.3 Relaxation process of electrons in the Γ valley governs νc The temperature dependence of νc, strongly suggests that νc is mainly governed by the energy relaxation process of electrons from...

Ngày tải lên: 19/06/2014, 19:20

... part of the permittivity is an indication of the ohmic power loss Anisotropy is an inherent property of the atomic/molecular structure of the dielectric It may also be caused by the application of ... increase of collisions, absorption increases and field strength of the radio-wave decreases As a result of this, amplitude of the radio-wave propagated in the ionosphere will decrease because of the ... imaginary part of the refractive index Symbol list me mi Ve t -e E B νe ν ei ν en J Ne σ ωce ω ωpe ε0 I D ∇ : Mass of electron : Mass of ion : Velocity of electron : Time : Charge of electron :...

Ngày tải lên: 19/06/2014, 19:20

... theories were discussed from the point of view of the stagnation of the performance of the SoC and the suppression of the EMI of the SMC Concurrently, the development of the theory and the technologies ... of the transmission line of the SMC as well as the high– frequency AC circuit The idea of the characteristic impedance is useful for designing of the transmission line of the SMC The theory of ... definition of the wave length (λS) of the SEMW in the SEMW theory is λS = με tS (13) where tS is the specified rise time of the VDS of the PMOS FET in Fig a and Fig b Hundreds of millions of transistors...

Ngày tải lên: 19/06/2014, 19:20

... of the microscopic particles of the conductive polymer The thickness of the chip is 200μm approximately Fig 14 shows an example of the transmission coefficient (S21) of the latest prototype of ... Improvement of Reduction of Decoupling on the PCB Impossible Numbers of Anode multiple Single Large Small Large Large Very Large Large Thickness of Aluminum foil Numbers of Aluminum foil Thickness of ... length of the SEW, d is the thickness of the insulator layer of the MILL When x=d and z=λS, (30) is V1 ( z) = e −α zVS (31) The charge voltage of the SL at the exponential change of the magnitude of...

Ngày tải lên: 19/06/2014, 19:20

... subject of the relation of Zitterbewegung to mass, we return to discussion of Zitterbewegung in the context of the Weyl equations he treats the mass term in each of the two coupled spinors of the ... relationship of electron in the hydrogen atom Significantly, we find a process of perfect transformation of two forms of energy (kinetic and field energy) inside the atom and the conservation of energy ... solution of Eq (2a or 2b) is a sum of solutions of the form of Eq (3a) over all possible propagation vectors, k Here, k and ω , the angular frequency, are related 2 by k0 = ω0 c The two solutions of...

Ngày tải lên: 19/06/2014, 19:20

... not all) of the prominent features of the experimental results The minimal model is based on the multiple scattering formalism and assumes the imaginary part of the electric permittivity of the ... In short, the main features of these dichroic filters are (see Fig 2): • The lower limit of the fundamental transmission frequency band is determined by the cut-off frequency of the waveguide defined ... quantized energy of hydrogen atom and make a comparison between our results of LC mechanism and the known results of quantum theory For the system of λr , the LC parameters of the hydrogen atom...

Ngày tải lên: 19/06/2014, 19:20

... accurate reduction of order form of LDE than LLE, which also implies a corresponding reduction of order series form of LDE In this section, we will present this reduction of order form of LDE To so, ... effects of electromagnetic fluctuating fields of the vacuum on the radiation reaction of a radiating charge using the reduction of order series form of LDE obtained in section Nonzero contribution of ... term of τ It is easy for one to utilize the method of Landau and Lifshitz to construct a reduction of order iterative form of LDE [Aguirregabiria, 1997] To compare two different reduction of order...

Ngày tải lên: 19/06/2014, 19:20

... fields of the vacuum, we obtained the contributions of vacuum fluctuations to radiation reaction of a radiating charge up to the τ term Then we use the obtained reduction of order equation of LDE ... presented a new reduction of order form of LDE, which coincides with that obtained by the method of Landau and Lifshitz in its Taylor series form Using the classical version of zero-point electromagnetic ... Central Research Institute of Electric Power Industry Japan Introduction One of the recent topics of optical measurement techniques is the generation and utilization of the “Terahertz wave (THz...

Ngày tải lên: 19/06/2014, 19:20

... for linear distribution of phase shifts between elements of array and the process of focusing in NFZ or IFZ based on creation of non-linear distribution Thus application of specific APD (Hansen, ... the result of focusing process The level of radiation pattern in FFZ becomes the level of radiation pattern in point of NFZ or IFZ of LAESR focused on FFZ as the result of focusing on this point ... properties of antenna arrays According to a common theory (Hansen, 1964), focusing - the process of compensation of components of phase shifts between antenna elements and phase center of FAA, that...

Ngày tải lên: 19/06/2014, 19:20

... focusing properties of antenna array are based on principle of inversion of the Fresnel and the Fraunhofer diffraction fields which is the result of focusing process The applicability of arrays is limited ... gain performance of antenna arrays at a wide range of angles and to improve the quality level of this technique for expanding applicability of the focused antenna The antenna arrays of linear and ... types of array elements have been considered in this paper, so all tasks of study of FAA radiation pattern synthesis have done in its azimuth plane or in polar coordinates Expressions of spatial...

Ngày tải lên: 19/06/2014, 19:20

... second part of the proof in i , it is easy to see that any v t {vi } satisfying 5.1 is a 1, Υ -periodic traveling wave solution of 4.4 with velocity −δ/τ Also, by the first part of the proof in i ... among all temporal periods of v, then v is called temporal η-periodic In seeking solutions of 2.2 that satisfy 2.5 and 2.6 , in view of Lemma 2.1, there is no loss of generality to assume that ... cf proof of 2, Theorem Given any δ ∈ Z \ {0} and τ ∈ Z with τ, δ t t t {vi } is a traveling wave solution of 2.2 with velocity −δ/τ, then {wi } {v−i } is also a traveling wave solution of 2.2...

Ngày tải lên: 21/06/2014, 20:20

... the scattering process of the height of heterogeneity of the surface At the increase of the angle of incidence of the falling light begins as though not to “notice” the height of non heterogeneity ... The noted features of dispersion are investigation of combination of chaoticness and selfsimilarity relief of scattering surface Conclusion In this chapter in the frame of the Kirchhoff method ... calibration degree of surfaces (or with growth of its large-scale heterogeneity) the picture of scattering becomes complicated Independence of the type of scattering surface there is dependence of the scattering...

Ngày tải lên: 26/06/2014, 23:20