Process control of weaving

... actual quantity & type of yarn twist have to be maintain Process Control of Sizing Section Output Variable of Sizing Output Quantity Required Quantity Process Control Count of sized yarn 10 To maintain ... algorithm (sequence of finite instruction ) for controlling the output of a specific production process Quality is formed during production process So, if a producti...

Ngày tải lên: 30/07/2015, 10:34

... actual quantity & type of yarn twist have to be maintain Process Control of Sizing Section Output Variable of Sizing Output Quantity Required Quantity Process Control Count of sized yarn 10 To maintain ... sized yarn Density of sized beam ( yarn / inch ) 73 75 Density of sized beam can be maintained by controlling the Process Control of Drawing-in & trying Section Ou...

Ngày tải lên: 06/08/2015, 13:10

... Page of Tuning of a PID controller using Ziegler-Nichols Method LAB Objective: 1) To demonstrate the use of PID controller using LabVIEW 2) Finding the values of KP and TI and TD using Ziegler ... challenges to control and instrumentation engineers in the aspect of tuning of the gains required for stability and good transient performance There are several prescriptive rules us...

Ngày tải lên: 27/02/2014, 03:20

... measurement and control Documentation of application software Batch control Part 1: Models and terminology 61 3 26- 1 (19 97) 61 5 06 (19 97) 61 512 -1 (19 97) 61 5 06 (19 97) 61 512 -1 (19 97) 61 515 (19 95) Mineral ... Guidelines Expression of performance of sample handling systems for process analyzers 61 11 5 (19 92) 61 13 1: -Programmable controllers: 61...

Ngày tải lên: 04/04/2014, 11:29

... IEC No reproduction or networking permitted without license from IHS Not for Resale 60 534- 6- 2 © IEC: 20 00 –5– INDUSTRIAL- PROCESS CONTROL VALVES – Part 6- 2: Mounting details for attachment of positioners ... rotatifs Industrial- process control valves – Part 6- 2: Mounting details for attachment of positioners to control valves – P...

Ngày tải lên: 04/04/2014, 11:29

... direct-synthesis controllers The basic idea is to specify the desired response of the system to a particular type of disturbance and then, knowing the model of the process, back-calculate the controller ... PI controller Use r/ values of 0.5 and minutes 15.3 Make Nyquist plots for the process of Problem 15.1 and find the value of gain that gives the following specifications: l...

Ngày tải lên: 24/07/2014, 07:21

... 0.8 1 59~ yw = z2 - 1.0030 192 + 0.0030 19 Long division gives 0.81 592 -l + 0.8184~-~ + 0.8184z+ + Z2 - 1.0030 19~ + 0.0030 19) 0.8159z 0.81 59~ - 0.8184 + O.O025z-’ 0.8184 - O.O025z-’ 0.8184 - 0.82 092 -l ... expressed as 0030 19 = sed in 0.81 59~ - - 0.0030 19 z (14. 49) The value of the term nT, is 5.803 y5.803 = p’T.s 0.8 1 592 0.81 59~ y(z) = z - - z - e-5.8o3 (14.50) Inverting eac...

Ngày tải lên: 24/07/2014, 07:21

... product of three matrices - -0.00159 68 -0.0361514 neerlance : tray plant ah-ix, VT r has vari- umn 3.2) -0. 082 8 98 -0. 083 55 48 - 142 -0 .89 15611 -0.2523673 -0.0002 581 0.0270092 0.01 787 41 0.0 089 766 ... -5.9972530 -1.6773120 0.0217166 0.19766 78 0.1 289 912 0.0646059 0.0134723 0.23 787 52 2.4223 120 5. 783 780 0 1.6 581 630 0.02594 78 -0.1 586 702 -0.10 689 00 -0.05 386 32 The...

Ngày tải lên: 24/07/2014, 07:21

... Tyreus-Luyben value Pick a value of 70 and find the value of K, that gives +2-dB Ly Repeat step for a whole range of 7~ 1 values, with a new value of K, calculated at each new value of 70 such that an L,T”’ ... Proportional-Integral Controller (PI) The transfer function of a PI controller is ~‘IIAIWK I I: F;requency-I>otllaitl Analysis of Closedloop Systems G(i,,) = Kc 3 97...

Ngày tải lên: 24/07/2014, 07:21

... important property of complex numbers The magnitude of the product of two complex numbers is the product of their magnitudes The argument of the product of two complex numbers is the sum of their arguments ... Analysis of Advanced Control Systems 311 The advantage of feedforward control over feedback control is that perfect con- trol can, in theory, be achieved A distu...

Ngày tải lên: 24/07/2014, 07:21

... function given in Eq (7 .58 ) has one pole with a value of -(k + l/r) Rearranging Eq (7 .58 ) into the standard form of Eq (2 .51 ) gives =- G(,) = s+l 7,s + (7 .59 ) where K, is the process steady-state ... of the intelligence officer responsible for the British victory at the Battle of Trafalgar), consists of 150 ships at the beginning of the battle The rate of destruction...

Ngày tải lên: 24/07/2014, 07:21

... and Control Ternary reactor, two-column process (a = 4/ 2/I) RECYCLE I J v,= 150 D,, = 4. 42 k,= D,, = 2.83 D, = 2 24 XD1.A = 0.95 = 0.05 k,= D, = 4. 51 D, = 65 .4 X[&, = 0.0 I53 XD2.H = 0.9 147 Xlj2.C ... Reactor-column designs FO 40 50 60 17 130.63 593.6 0. 248 5 0.55 14 96. 94 82 I2 328.3 7.23 II06 1659 I5 I 34. 90 744 I I980 0.5 548 98.85 95 .46 381.7 7.79 1376 20 64 1517 50...

Ngày tải lên: 24/07/2014, 07:21