... random from the lot, and on the basis of information that was yielded by the sample, a decision should be made regarding the disposition of the lot In general, the decision is either to accept ... previously defined, is specified by the pair of numbers (n,c) The sample size is n, and the lot is rejected if there are more than c defectives in the sample; otherwise the lot is accepted There are two ... p2/p1 = We find the row whose R is closet to This is the 5th row (R = 4.65) This gives c1 = and c2 = The value of n1 is determined from either of the two columns labeled pn1 The left holds constant...
Ngày tải lên: 21/06/2014, 22:20
... method after the names of the inventors The basic equations for their method are given by: where q q q q q q y is the observation S is the smoothed observation b is the trend factor I is the seasonal ... equation then updates the trend, which is expressed as the difference between the last two values The equation is similar to the basic form of single smoothing, but here applied to the updating of the ... also be shown that the smaller the value of , the more important is the selection of the initial EWMA The user would be wise to try a few methods, (assuming that the software has them available)...
Ngày tải lên: 21/06/2014, 22:20
Process or Product Monitoring and Control_7 ppt
... initial trend The data set consists of quarterly sales data The season is year and since there are quarters per year, L = Using the formula we obtain: Example of the computation of the Initial ... However, it is not used in the time series model itself The analysis of time series where the data are not collected in equal time increments is beyond the scope of this handbook Contents Sample ... Tahiti and the Darwin Islands at sea level The southern oscillation is a predictor of el nino which in turn is thought to be a driver of world-wide weather Specifically, repeated southern oscillation...
Ngày tải lên: 21/06/2014, 22:20
Process or Product Monitoring and Control_9 doc
... fixed distribution with a constant mean and variance If the Box-Jenkins model is a good model for the data, the residuals should satisfy these assumptions If these assumptions are not satisfied, ... autocorrelation plot of the residuals One could also look at the value of the Box-Ljung (1978) statistic An example of analyzing the residuals from a Box-Jenkins model is given in the Negiz data case ... appropriate model That is, we go back to the model identification step and try to develop a better model Hopefully the analysis of the residuals can provide some clues as to a more appropriate model...
Ngày tải lên: 21/06/2014, 22:20
Process or Product Monitoring and Control_11 pdf
... this case the number of rows, (n = 5), is the number of observations, and the number of columns, (p = 3), is the number of variables that are measured The rectangular array is an assembly of ... is the case of inversion of a square matrix, calculation of the determinant is tedious and computer assistance is needed for practical calculations If the determinant of the (square) matrix is ... consists of the means of each variable and the variance-covariance matrix consists of the variances of the variables along the main diagonal and the covariances between each pair of variables in the...
Ngày tải lên: 21/06/2014, 22:20
Process or Product Monitoring and Control_13 doc
... Representation of the Data The first step in analyzing the data is to generate some simple plots of the response and then of the response versus the various factors 4-Plot of Data Interpretation This 4-plot ... based on the above scatter and box plots There is considerable variation in the location for the various cassettes The medians vary from about 1.7 to There is also some variation in the scale There ... Subgroup Analysis SD control chart Note that there is no LCL here because of the small subgroup size Cassette as subgroup The next pair of control charts use the cassette as the subgroup In this case,...
Ngày tải lên: 21/06/2014, 22:20
Process or Product Monitoring and Control_14 doc
... Source The source of the data for this case study is Antuan Negiz who analyzed these data while he was a post-doc in the NIST Statistical Engineering Division from the Illinois Institute of Technology ... ceramic product is strongly affected by the intermediate uniformity of the base ceramic particles, which in turn is directly reflective of the quality of the initial atomization process in the aerosol ... shows that the mean of the differenced data is around zero, with the differenced data less autocorrelated than the original data The next step is to examine the sample autocorrelations of the differenced...
Ngày tải lên: 21/06/2014, 22:20
Process or Product Monitoring and Control_15 doc
... differenced data, Yt, is an AR(2) model: with 0.44 It is often more convenient to express the model in terms of the original data, Xt, rather than the differenced data From the definition of the difference, ... 6.6.2.3 Model Estimation Interpretation of Output The first section of the output identifies the model and shows the starting values for the fit This output is primarily useful for verifying that the ... Randomness of the Residuals for the ARIMA(0,1,1) Model The Ljung and Box test is also applied to the residuals from the ARIMA(0,1,1) model The test indicates that the residuals are random at the 99%...
Ngày tải lên: 21/06/2014, 22:20
Tài liệu An Introduction to Intelligent and Autonomous Control-Chapter 12: Learning in Control pdf
Ngày tải lên: 14/12/2013, 12:15
Advanced topics in control systems theory II
... transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms of licences issued by the Copyright ... benefited of the valuable participation of 17 European renowned control researchers and about 70 European PhD students While the program consisted of the modules listed below, the contents of the present ... Regulation of Boost Converters In this section we consider the problem of regulating the output voltage of a DC–DC boost converter with the circuit topology shown in Figure 1.2 The averaged model of the...
Ngày tải lên: 01/01/2014, 18:39
Tài liệu Lecture Notes in Control and Information SciencesEditors: M. Thoma pdf
... control is generated from the motion performance required in the tapping process of the machining center In the tapping process, the 1st axis is the master axis of the machining center This axis is ... mechanism part of a mechatronic servo system and the mechanical part of the motor, a two mass model is adopted[5, 6] The twomass model is the model in which the inertial moment of the motor and the ... provide the command to servo system is a problem This problem is about the form of time function of command The problem of command containing the way of data given must be discussed In the discussion...
Ngày tải lên: 13/02/2014, 08:20
Tài liệu Báo cáo khoa học: Experimental proof for a signal peptidase I like activity in Mycoplasma pneumoniae, but absence of a gene encoding a conserved bacterial type I SPase pdf
... by the program exprot [23] Both methods failed to confirm the cleavage site of the main adhesine P1 of M pneumoniae This is the only other M pneumoniae protein, of which the N-terminus of the ... degradation of a protein, followed by the analysis of the cleavage products It is, however, difficult to prove which of the identified peptide represents the amino terminus of the protein To overcome this ... mass is detected and peptide sequencing proves, that there is no trypsin cleavage site at the amino terminus of this peptide, as read from the gene sequence, then this peptide is taken as the...
Ngày tải lên: 19/02/2014, 18:20
Lecture Notes in Control and Information Sciences Editors: M. Thoma · M. Morari316.R.V. Patel pptx
... manipulator is said to be redundant when the dimension of the task space m is less than the dimension of the joint space n Let us denote the position and orientation of the end-effector along the axes of ... cylinder collides with one of the two circular disks of the other cylinder • (3) Base-Base: One of the circular disks of one cylinder collides with a circular disk of another cylinder (A) CYLINDERS ... available, the next step is to develop control software which is optimized both at the algorithm and code levels A stability analysis and a trade-off study are performed using a realistic model of the...
Ngày tải lên: 05/03/2014, 15:20
Advanced Textbooks in Control and Signal Processing ppt
... above The main interest of this textbook is the study of motion controllers and more particularly, the analysis of their inherent stability in the sense of Lyapunov Therefore, we assume that the ... statements are beyond the scope of the present text hence, are omitted The interested reader is invited to consult the list of references cited at the end of the chapter The proofs of less common results ... moment of inertia about the joint axis J, and distance l from its axis of rotation to the center of mass It is assumed that the pendulum is affected by the force of gravity induced by the gravity...
Ngày tải lên: 05/03/2014, 15:20
Báo cáo khoa học: Puroindoline-a and a1-purothionin form ion channels in giant liposomes but exert different toxic actions on murine cells pptx
... [9] The generalized toxicity of PTHs may be due to their ability to form ion channels in the membrane of target cells, resulting in dissipation of ion concentration gradients essential for the ... spectra of the purified PIN-a (A) and a1-PTH (B) Note the homogeneity of the protein preparations substrates or clustering of channels in the patch However, because it was not possible to distinguish ... (the equilibrium potential for Cl– was +29.6 mV under this condition) Similarly, in the presence of a low NaCl concentration (40 mm instead of 140 mm) in the bath, the reversal potential of the...
Ngày tải lên: 07/03/2014, 12:20
Lecture Notes in Control and Information SciencesEditor: M. Thoma229.J.-P.Laumond (Ed.) doc
... raises two problems: the first one addresses the existence of a collision-free admissible path (this is the decision problem) while the second one addresses the computation of such a path (this ... as the trailers are hitched to the middle point of the wheels of the previous ones The proof is based on the same idea allowing to transform the system into a chained form: it consists in modeling ... in the direction of the wheel axis requires exactly two cusps Then the number of maneuvers to park a car is in ~(e-2) m Fig 17 The number of maneuvers varies as the inverse of the square of the...
Ngày tải lên: 22/03/2014, 11:20
Báo cáo khoa học: Functional interplay between viral and cellular SR proteins in control of post-transcriptional gene regulation pptx
... shutoff in the host, probably via the activity of the N protein [28] Our recent report shows that the SARS-CoV N protein can suppress translation, and that this activity depends on the RS motif of ... packaging, the kinase activity appeared to be dispensable [20] Therefore, the role of SRPK1 ⁄ in HBV core protein phosphorylation, if any, remains to be investigated The core protein of duck HBV is not ... also functions together with the E1 protein in viral DNA replication [16] The E2 protein consists of the N-terminal transactivation domain and the C-terminal DNA-binding domain These two functional...
Ngày tải lên: 23/03/2014, 06:20
Terminology and symbols in control engineering
... components of the final control equipment The distinction made above results directly from the distribution of tasks The actuator processes and amplifies the output signal of the controller, whereas the ... variable The manipulated variable is the output variable of the controlling equipment and the input variable of the controlled system It is generated by the controller, or in case an actuator is being ... to the reference variable The characteristic feature of closed loop control is the closed action flow in which the controlled variable continuously influences itself in the action path of the...
Ngày tải lên: 29/03/2014, 21:55
ellis, g. (2002). observers in control systems - a practical guide
... Allows automatic disabling of the waveform generator When the value is 1, the generator is enabled When 0, the generator is disabled For digital inputs such as this node, Visual ModelQ considers ... the amplitude of the response falls to 70% of the low-frequency value; this frequency is the bandwidth The most common way to improve command response is to raise the gains of the control laws ... in the plant response where the concern is that the noise unduly corrupts the system output On the other hand, the concerns may be with noise generated by the power converter Noise fed into the...
Ngày tải lên: 18/04/2014, 12:27
informatics in control, automation and robotics i - braz j
... image of the via is taken through the video acquisition board, then, the ZISC-036 based PMI: finds the via on the image, checks the integrity of the border (for damage) of via, locates the impact ... pij 2 max Vi i The choice of the distance calculation (choice of the used norm) is one of the main parameters in the case of the RCE-KNN like neural models (and derived approaches) The most usual ... track as fast as possible The sensor vector consists of variables denoting the position of the car and the distance of the next obstacle ahead The decision vector consists of two variables: one variable...
Ngày tải lên: 12/06/2014, 12:04