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By operation of the distillation columns you are often interested to maintain output despite fluctuations in the composition, ex. feed composition and feed flow. One possible actuator-variable is here reflux (determined by the reflux ratio) or distillation stream. Modeling of distillation columns dynamic behavior is extensive, but often engineers trying to make simple models for columns dynamics, with parameters determined based on operational data (both static data and step responses). Column Dynamic expected approximately be described by the following transfer functions:
Y(s/D(s) = 2*exp(-20s)/95s+1
Y(s/F(s) = 1*exp(-30s)/2* 60s +1
1. Determine a static feedforward controller
2. Determine a dynamic feedforward controller
3. Determine a PI controller on the use of Direct Synthesis Method (use tau_c = 30)
4. Simulate the closed feedforward controller from 1 and 2nd
5. Repeat (4) using the combined feedforward and feedback loops
6 Which controller gives the best result?
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Open cover left crank case and check shifter drum bolt and washer: Check shifter drum bolt torque and washer direction and avail ability.
bending equation
Cam This is a mechanical member that imparts motion to another member called follower. Illustration: A cam is rotating at regular speed of 1200 rpm in the clockwise d
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ES 347 - Thermodynamics Project Assigned: 3/28/2013 Due: 4/25/2013 Problem specification 5 kg of air is contained in a piston-cylinder device, initially at a pressure of 2MPa and a
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