Exact(5)
In process systems, analysis of control degrees of freedom (CDOF) is a primary step for control structure design.
Also, we provide a theoretical justification for existing empirical arguments concerning the loss of control degrees of freedom caused by process intensification.
The focus of this paper is on one of the important steps in designing plant-wide control systems, namely, control degrees of freedom (CDOF).
First, three different HIDiC structures, i.e. an ideal HIDiC, a HIDiC with a pre-heater, and a HIDiC with a reboiler, are analyzed by control degrees of freedom (DOF).
A hybrid momentum exchanging actuator consists of Control Moment Gyro (CMG) and Reaction Wheel (RW) is proposed to tackle the above issue, due to its huge amount of momentum storage capacity of the CMG and high control accuracy of the RW, in which the CMG produces large command torque while the RW offers additional control degrees.
Similar(54)
When the concrete drying process stars from water saturation, there is little difference between the control degree of cathodic reaction and the control degree of anodic reaction on corrosion process; the control type of corrosion reaction is mixed control.
The incorporation of a second control degree of freedom, the propeller pitch angle, makes it possible to meet all the control objectives.
All groups showed significant rich club organization (Control; degree 20 63, Premanifest; degree 19 63, Manifest; degree 19 63).
Lipid levels were measured, and the control degree was analyzed based on the criteria of clinical guidelines.
First infilling well density was 54.4 wells/km2, reserves' controlled degree of water flooding was 83.2 %; the second infilling well density was 86.7 wells/km2, reserves' controlled degree of water flooding was 93.1 %; in 2007, when the water cut of block was 92.5 %, the third infilling well pattern density was 134 wells/km2, reserves' controlled degree of water flooding was 97.3 %.
Living radical polymerization with "iniferter" (initiator-transfer agent-terminator) is useful tool for controlling degree of polymerization by reaction time.
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