Dynamic Simulation and Model-based Control System Design for Comminution Circuits - Advanced Control and Supervision of Mineral Processing Plants - page 237

Controlled Variables Control Variables

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Time (min) Time (min)

Figure 5.12 Controlled variables. (a) Product size (%). (b) Circulating load (ton/h). (c) Sump box
level (%). Control variables. (d) Rod mill feedrate. (e) Water to sump box. (f) Speed pump

Controlled Variables Control Variables

150

50

100

40

50

30

20 0

100 200 300 400 100 200 300 400

600

40

500

30

400

20

300

10

200

0

100 200 300 400 100 200 300 400

90 100

80

80

60

70

40

60 20

100 200 300 400 100 200 300 400

Time (min) Time (min)

Figure 5.13 Controlled variables. (a) Product size(%). (b) Circulating load (ton/h). (c) Sump box
level (%). Control variables. (d) Rod mill feedrate. (e) Water to sump box. (f) Speed pump