Automated Continuous Process Control Part 5 pps

... Algorithms / 76 5- 1.4 Significance of Signals / 79 5- 2 Ratio Control / 80 5- 3 Override, or Constraint, Control / 88 5- 4 Selective Control / 92 5- 5 Designing Control Systems / 95 5-6 Summary / 110 References ... Comments / 72 4 -5 Summary / 73 References / 73 5 RATIO, OVERRIDE, AND SELECTIVE CONTROL 74 5- 1 Signals and Computing Algorithms / 74 5- 1.1 Signals / 74 5-...

Ngày tải lên: 15/05/2014, 11:04

... ~ Tb) = 200°F (8 .50 ) (8 .5 1) The closedloop characteristic equation is 1 + G~(s)Gv(s)Gr(s)Gc(s) = 0 1.333 mA/mAG I + (0. Is + I)3 m) = O (8 .52 ) (8 .53 ) When a proportional controller is used, G C(s) = ... values of the controller parameters. We will show that any real process can be made closedloop unstable by making the gain of the feedback controller large enough. There a...

Ngày tải lên: 24/07/2014, 07:21

... Deposits 15. 1 0.80 15. 3 1.2 8.6 0.83 0.08 14.3 0.90 1.6 0.01 1 .5 0.01 0.9 0.00 0.00 1.4 0.01 0.6 0.06 0 .5 0.02 0.3 0.02 0.09 0 .5 0.03 13.3 1.8 12.7 0.94 10.3 0.06 0.84 12.9 0.66 36.1 7.6 36.6 7.2 20 .5 ... U.S. Units Discharge sizes 150 to 300 mm 6 to 12 in Capacities to 2 750 m 3 /h to 17,000 gpm Heads to 400 m to 1400 ft Pressures to 50 bar to 7 35 psi Temperatures -28 to 4 25 C...

Ngày tải lên: 21/07/2014, 16:21

... 0.14 Particles, tonnes/kg 78 0.071 95 0.0 95 CO 2 fossil, tonnes/kg 6,810 6.2 4, 850 4.9 CO 2 biogenic, tonnes/kg 97 ,50 0 89 82,600 83 Residual products and waste Hazardous waste, m 3 /dm 3 5 45 0.04 ... magnet and control electronics are all one unit 5. A control with availability of 99.9 percent The actuator is only one of the components necessary for accurate flow control. Some...

Ngày tải lên: 21/07/2014, 16:22

... the delight of 1 75 A B C D E 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 7 5 3 3 3 4 4 4 4 4 4 4 4 5 5 5 5 5 5 4 4 4 4 5 5 5 56 6 6 6 6 76 3 2 A B C D E C D E F G K K L M M L L G J H B B A 5 56 67 A 020 Critical ... Figures 25. 2 (or 25. 3) and 25. 4, including the Figure 25. 3 207 110 5 90 48 48 48 121 1 25 126 .5 30 4...

Ngày tải lên: 26/01/2014, 11:20

... (IS, V) 55 00 55 00 55 00 Collision Gas (CAD) - Medium - Ion Source Gas 1 (GS1) 20 20 20 Ion Source Gas 2 (GS2) 0 0 0 Ion Energy 1 (IE1, V) 0.30 0.30 1.00 Ion Energy 3 (IE3, V) - -0 .50 - ... 4.49 ± 0.00 (0. 05% ) 0.19 ± 0.00 (1.46%) n. r. # Y = 842.24X - 138.39 0.9984 98.99 ± 0.12 #2 4.42 ± 0.00 (0. 05% ) 0. 15 ± 0.00 (1.27%) 50 07 ± 129 (2 .58 %) Y = 859 .35X...

Ngày tải lên: 19/06/2014, 08:20

... and control gains. 0 2 4 6 8 10 12 14 16 18 20 0. 75 0.8 0. 85 0.9 0. 95 1 x 1 (t) Pendulum angular position x 1 (t) for PID and PI 2 D controllers 0 2 4 6 8 10 12 14 16 18 20 -0 .5 0 0 .5 1 Time ... noise, by filtering it. 5. Acknowledgment The second author acknowledges support from CONACyT via project 13 352 7. 6. References Astrom, K.J. and T. Hagglund (19 95) . PID Cont...

Ngày tải lên: 19/06/2014, 12:20

... Continuous mode 2 85- 3 05 9-12 40-80 2.8 -53 .3 25. 2-33.1 Ocfemia et al., 2006 Dairy manure Batch/ continuous mode 250 -380 10-34 50 Appell, et al., 1980 Sewage sludge 5 t/d 300 10 48 37-39 ... autoclave 250 -340 6-18 6-120 27.6 36 Minowa, et al., 19 95 Sewage sludge 0.3 L autoclave 150 -300 0-180 44 .5 35. 7 Suzuki, et al., 1990 Sewage sludge 4.2L micro...

Ngày tải lên: 19/06/2014, 14:20

... http://www.mathworks.com/products/connections/product_detail/product_ 359 53 .html Bubnicki, Z. (20 05) . Modern Control Theory. Springer, 20 05, 422 p., ISBN 3 -54 0-23 951 -0 Tammi, K. (2007). Active control of radial rotor vibrations, ... predictive control (MPC) is a control method (or group of control methods) which make explicit use of a model of the process to obtain t...

Ngày tải lên: 19/06/2014, 19:20

... R 2 (η 2 i 1q +αL m i 1q i 1d λ 2d )+ 1 σL 1 u 1q λ 2d dt = −αR 2 λ 2d + αL m R 2 i 1d 156 Sliding Mode Control 0 2 4 6 8 10 50 0 50 u 1 [V] 0 2 4 6 8 10 50 0 50 u 2 [V] 0 2 4 6 8 10 50 0 50 Time [s] u 3 [V] Fig. 7. Stator voltages. 0 ... e |ψ R | Fig. 5. Flux magnitude regulation. 0 2 4 6 8 10 5 0 5 [A] 0 2 4 6 8 10 5 0 5 Time [s] [A] i Sa (t) i * Sa (t)...

Ngày tải lên: 20/06/2014, 04:20