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The oil temperature is being controlled in a cascade control system as shown in Figure 1. A) Highlight the benefits of using the cascade control instead of the conventional feedback control. B) What is the Cascade control design criteria? C) What is the primary variable in the cascade loop? D) What is the secondary variable in the cascade loop? E) What is the manipulated variable in the inner loop? F) Explain whether a disturbance in the fuel gas feed pressure will be removed rapidly with the cascade loop? G) Explain whether a disturbance in the oil temperature will be removed rapidly with the cascade loop? H) Draw a complete block diagram of the system indicating all the inner and outer level controllers, process blocks and disturbance blocks. I) If the inner loop has proportional-only controller for Ge2, and Gy= 6, and 7 Gp2(s) = derive a constraint (inequality) for the value of Kc so that the inner loop %3D 4s+1 still has stable behavior. Assume that there is no disturbance effect in the inner loop. College of Electronics Engineering Cascade Control Department of Bystems and control Engineering TC Stack gas Set point PC PT Hot oil Cold oil Fuel gas Furnace Figure 1

The oil temperature is being controlled in a cascade control system as shown in Figure 1. A) Highlight the benefits of using the cascade control instead of the conventional feedback control. B) What is the Cascade control design criteria? C) What is the primary variable in the cascade loop? D) What is the secondary variable in the cascade loop? E) What is the manipulated variable in the inner loop? F) Explain whether a disturbance in the fuel gas feed pressure will be removed rapidly with the cascade loop? G) Explain whether a disturbance in the oil temperature will be removed rapidly with the cascade loop? H) Draw a complete block diagram of the system indicating all the inner and outer level controllers, process blocks and disturbance blocks. I) If the inner loop has proportional-only controller for Ge2, and Gy= 6, and 7 Gp2(s) = derive a constraint (inequality) for the value of Kc so that the inner loop %3D 4s+1 still has stable behavior. Assume that there is no disturbance effect in the inner loop. College of Electronics Engineering Cascade Control Department of Bystems and control Engineering TC Stack gas Set point PC PT Hot oil Cold oil Fuel gas Furnace Figure 1

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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The oil temperature is being controlled in a cascade control system as shown in Figure 1. A) Highlight the benefits of using the cascade control instead of the conventional feedback control. B) What is the Cascade control design criteria? C) What is the primary variable in the cascade loop? D) What is the secondary variable in the cascade loop? E) What is the manipulated variable in the inner loop? F) Explain whether a disturbance in the fuel gas feed pressure will be removed rapidly with the cascade loop? G) Explain whether a disturbance in the oil temperature will be removed rapidly with the cascade loop? H) Draw a complete block diagram of the system indicating all the inner and outer level controllers, process blocks and disturbance blocks. I) If the inner loop has proportional-only controller for Ge2, and G 6, and Gp2(s) = 7 derive a constraint (inequality) for the value of Kc so that the inner loop 4s+1 still has stable behavior. Assume that there is no disturbance effect in the inner loop. Callege of Electronies Engineering Cascade Control Departiment of Systems and control Engineering TC Stack gas Set point PC Hot oil PT Cold oil Fuel gas Furnace Figure 1
Transcribed Image Text:The oil temperature is being controlled in a cascade control system as shown in Figure 1. A) Highlight the benefits of using the cascade control instead of the conventional feedback control. B) What is the Cascade control design criteria? C) What is the primary variable in the cascade loop? D) What is the secondary variable in the cascade loop? E) What is the manipulated variable in the inner loop? F) Explain whether a disturbance in the fuel gas feed pressure will be removed rapidly with the cascade loop? G) Explain whether a disturbance in the oil temperature will be removed rapidly with the cascade loop? H) Draw a complete block diagram of the system indicating all the inner and outer level controllers, process blocks and disturbance blocks. I) If the inner loop has proportional-only controller for Ge2, and G 6, and Gp2(s) = 7 derive a constraint (inequality) for the value of Kc so that the inner loop 4s+1 still has stable behavior. Assume that there is no disturbance effect in the inner loop. Callege of Electronies Engineering Cascade Control Departiment of Systems and control Engineering TC Stack gas Set point PC Hot oil PT Cold oil Fuel gas Furnace Figure 1
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