analysis and control of packaging materials

... cases of TCSC with control X TCSC = 0,5X L and X TCSC = 0,7X L 3.5 Analysis and choice of placement of FACTS device in Vietnam power market in 2016 3.5.1 Analysis and choice of placement of SVC ... Problem analysis and control of power system mode to enhance the operational efficiency of the power market, it has an important role and great significance In particular, assessement and control of ... UNIVERSITY OF DANANG TRAN PHUONG NAM ANALYSIS AND CONTROL OF MODES OF POWER SYSTEM FOR ENHANCING Trang 2The University of Danang The supervisors 1: Ass Prof Dinh Thanh Viet The supervisors 2: Prof

Ngày tải lên: 30/08/2016, 11:32

... For dynamic vibration control, the effect of various types of load, and the influence of feedback control gain on static and dynamic response are also studied The remainder of this paper is outlined ... thickness of each piezoelectric sub-layer A closed-loop control algorithm based on the displacement and velocity feedbacks is used to control static deflection and active vibration of piezoelectric ... bonded or embedded piezoelectric materials One of the essential features of piezoelectric materials is the ability of transformation between mechanical energy and electric energy When a structure

Ngày tải lên: 16/12/2017, 04:14

... variable of the plant under the control of the control system Controller The elements of an open-loop control system can usually be divided into two parts: controller and the controlled process The controller ... biological control system consistingchiefly of eyes, the arm, hand and finger and the brain of a person, where the input is precise-direction of the object with respect to some reference and the ... general areas of analysis and design of feedback control systems have influenced theformat of this book I would also like to thank and recognize all the undergraduate students inmechanical and electrical

Ngày tải lên: 01/01/2014, 18:43

... 1Performance Analysis and Design of Feedback Systems withNonlinear Sensors and Actuators This is a textbook on quasilinear control (QLC) QLC is a set of methods for performanceanalysis and design of linear ... area of linear and nonlinear dynamic systems, robust control,guidance and navigation, and intelligent control His recent research activities are aimed at thedevelopment of a quasilinear control ... design, scheduling, and operation of multi-spacecraft interferometric imaging systems, in analysis and optimization of random searchalgorithms, and in simultaneous path planning and communication

Ngày tải lên: 23/03/2014, 15:20

... sand (from Fenn171) b Effect of fines on bility of sand-gravel mixture(from Barber and Sawyer137) permea-Figure 2-12 Influence of type and amount of fines on permeability of concrete sand, sand-gravel ... Krumbein and Sloss standard chart forvisual estimation of sphericity and roundness ofcohesionless soils (courtesy of W H Freemanand Company198) somewhat smaller amounts of clay and larger amounts of ... determination of perme-ability of embankment materials, sampling along faults, fissures, clay seams,and sand partings for determination of permeability of the dam foundation),and by the use of large

Ngày tải lên: 28/04/2014, 11:51

... (Hallford 1983; Holland and Turner 1980; and Gerwick, Holland, andKomendant 1981) (7) Treatment at Top of Concrete Cutoff Wall As mentioned previously,normally the concrete cutoff wall is located ... impervious blanket andthe top of the concrete cutoff wall, and vertical and horizontal movement ofthe concrete cutoff wall due to reservoir filling If a central location forthe concrete cutoff wall is ... core and the con-crete cutoff wall to prevent seepage (Radukic 1979) (8) Failure Mechanisms of Concrete Cutoff Walls Several mechanismscan affect the functioning of concrete cutoff walls and cause

Ngày tải lên: 28/04/2014, 11:51

... Appendix B Proof of Property 2-4 of the non-symmetric IT2 fuzzy PD controller 165 B.1 Proof of Property 2 166 B.2 Proof of Property 3 167 B.3 Proof of Property 4 168 Appendix C Proof of Theorem ... the FWA and the LWA 1415.4 Theoretical Analysis of Computational Overhead of the Proposed FWA and LWA Algorithm 146 5.5 Numerical Study 148 5.5.1 The Mean and STD of the Number of Iterations ... of Theorem 5.1 and Theorem 5.2 170 C.1 Proof of Theorem 5.1 170 C.2 Proof of Theorem 5.2 171 Trang 8The concept of fuzzy logic was introduced to handle the uncertainties andvagueness which

Ngày tải lên: 09/09/2015, 18:49

... todevelop a systematic methodology for analysis, design and control of PMSMs In this thesis, a design and control method for PMSMs is developed based on the analysis of PMSMs with different rotor structures ... Control of PMSMs 18 1.6 Research Goals and Methodology 21 1.6.1 Analysis of Constant Power Speed Range for IPMSM Drive 22 1.6.2 Design Optimization of Interior PMSM 23 1.6.3 Control of ... Experimental measurements of back EMF and calculated values of λm117 5.2 Experimental measurements of Ld and Lq 121 5.3 Comparison of motor parameters with The Commercial and ThePrototype 123

Ngày tải lên: 15/09/2015, 22:06

... PERFORMANCE ANALYSIS AND TROUBLESHOOTING OF PROCESS CONTROL LOOPS ROHIT RAMACHANDRAN NATIONAL UNIVERSITY OF SINGAPORE 2005 Trang 2PERFORMANCE ANALYSIS AND TROUBLESHOOTING OF PROCESS CONTROL LOOPS ... quality of the product and the safety of the plant personnel may be severely compromised Therein lies the importance of process control Trang 23For the purpose of this thesis, process control and ... Polymers and Plastics, (7) Refineries, (8) Chemical and Petrochemical plants and (9) Mineral Processing etc However, regardless of the application, the purpose of process control is still the same and

Ngày tải lên: 28/11/2015, 13:34

... 1MECHANICS OF MATERIALSCHAPTER Analysis and Design of Beams for Bending Trang 2IntroductionShear and Bending Moment DiagramsSample Problem 5.1Sample Problem 5.2Relations Among Load, Shear, and Bending ... Sign conventions for shear forces V and V’ and bending couples M and M’ Trang 6For the timber beam and loading shown, draw the shear and bend-moment diagrams and determine the maximum normal stress ... force and bending couple.• Shear force and bending couple at a point are determined by passing a section through the beam and applying an equilibrium analysis on the beam portions on either side of

Ngày tải lên: 10/02/2020, 08:53

... with analysis methods and instruments; followed by formulations, materials, and analysis of paint, plastics, adhesives, and inks; and finally reformulation methods to test the results of analysis ... isolation of individual components and a proper selection of tools for investigation The typical properties of materials and methods of analysis are listed in Table 1.1 (see Appendix, p 235) Types ofanalysis ... isolation of a mixture of chemical compounds before an identification of individual components can be attempted The state and chemical nature of materials vary widely, and require a host of analytical...

Ngày tải lên: 02/04/2014, 16:27

... Cataloging-in-Publication Data [Analyse des systèmes linéaires/Commande des systèmes linéaires eng] Analysis and control of linear systems analysis and control of linear systems/edited by Philippe de Larminat ... 370 370 xii Analysis and Control of Linear Systems Chapter 12 Predictive Control Patrick BOUCHER and Didier DUMUR 12.1 General principles of predictive control ... elements of modeling and identification All modern control theories rely on the availability of mathematical models of processes to control them Modeling is therefore upstream of the control engineer...

Ngày tải lên: 09/08/2014, 06:23

... at 5%) and ω t m according to the damping ξ Figure 1.21 ω0 tr and ω0 tm according to the damping ξ 30 Analysis and Control of Linear Systems The alternation of slow and fast variations of product ... reaches the final value of the response at the end of time T, which is called time constant of the system The response reaches 0.63 K in T and 0.95 K in T 24 Analysis and Control of Linear Systems ... 2π jf0 20 Analysis and Control of Linear Systems Table 1.1 sums up the features of a system’s transfer function, the existence conditions of its frequency response and the possibility of performing...

Ngày tải lên: 09/08/2014, 06:23

... 84 Analysis and Control of Linear Systems 3.2.2 Delay and lead operators The concept of an operator is interesting because it enables a compact formulation of the description of signals and ... development of X (z) by polynomial division according to 86 Analysis and Control of Linear Systems the decreasing powers of z −1 or apply the method of deviations, starting from the definition of the ... z-transform of this impulse response 102 Analysis and Control of Linear Systems Due to this relation and Table 3.5, we will be able to easily obtain the transfer function of the discretized system and, ...

Ngày tải lên: 09/08/2014, 06:23

... 110 Analysis and Control of Linear Systems The object of this chapter is to describe certain structural properties of linear systems that condition the resolution of numerous control problems ... illustrates the invariance properties of the various structures of these canonical forms (indices of controllability, of observability, finite and infinite zeros) and of the associated transformation ... Brunovsky’s controllable canonical form and, just by reading it, we note that the controllable space is of size 3, the pole in {-2} is noncontrollable and the controllability indices are and (see...

Ngày tải lên: 09/08/2014, 06:23

... proximity of ν0 152 Analysis and Control of Linear Systems Figure 5.1 Typical power spectrum of an MA (left) or AR (right) model In the case of a single denominator (nc = 0), we talk of an AR ... [5.9] 144 Analysis and Control of Linear Systems On the other hand, the Fourier transform preserves the energy (Parseval theorem) Indeed, the energy of a continuous-time signal y(t) or of a discrete-time ... 142 Analysis and Control of Linear Systems A discrete-time deterministic signal y[k], k ∈ Z is, by definition, a sequence of complex numbers: y = y[k] k∈Z In short, we often speak of a discrete...

Ngày tải lên: 09/08/2014, 06:23

... case of multi -control systems at the expense of additional developments (see [DOR 95, FRI 86]) 188 Analysis and Control of Linear Systems Figure 6.10 Control by the observer, compared to control ... stronger control, whereas the increase of ξ leads to better dynamics 164 Analysis and Control of Linear Systems Figure 6.2 Stabilization by pole placement 6.3 Reconstruction of state and observers ... system is controllable In this part, we will assume that the system has only one control; however, the result cannot be extended to the 162 Analysis and Control of Linear Systems case of multi-control...

Ngày tải lên: 09/08/2014, 06:23

... 196 Analysis and Control of Linear Systems in performing the roles of the procedure, in connection with a structure and behavior of components They are used for the design of procedure ... approach: on the one hand, the problem of identification (and also the problem of simulation and control) is made much easier by the computing tool and is already well known in data analysis (linear ... 214 Analysis and Control of Linear Systems recording of a specific response We need to be aware of the fact that it is essential to have a little, even very little, noise on the responses and, ...

Ngày tải lên: 09/08/2014, 06:23

... the relation: Φ Γ A B h [8.7] = exp I 0 230 Analysis and Control of Linear Systems The sizes of blocks and I are such that the partitioned matrices are of size (m + n) × ◦ (m + n) This result is ... the integration of [8.1] is done from [8.5] The calculation of Φ and Γ is ˆ ˆ obtained via the estimation N of N Finally, the calculation of N goes through that of the upper bound of sampling interval ... observations Through an extension of the notations introduced at the 236 Analysis and Control of Linear Systems beginning of this chapter, we will deal with equations of the form: ◦ x (t) = f (x,...

Ngày tải lên: 09/08/2014, 06:23

... equation of n order The roots of this equation are of strictly negative real part if and only if the terms of this first column of the table have the same sign and are not zero Statement of Routh’s ... and P = , then N = −1 , the point M makes tour around the origin, in counterclockwise direction (Figure 9.6b) Figure 9.6 Plane of the complex variable p and plane of A( p ) 260 Analysis and Control ... number of unstable poles of equation [9.18] and hence of µ ( p ) β ( p) Figure 9.7 Contour and image of the Nyquist curve Contour C is chosen in such as way as to surround the poles of possible...

Ngày tải lên: 09/08/2014, 06:23