CBE 162: Chemical Process Control
Homework 3
Due on 26th Feb, 2013
You may turn it in the same day by 5pm (no penalty), or with 25% deduction/day at 384 Tan Hall.
Clearly state all assumptions. Please make sure that pages are numbered, and the questions a

Order of Precedence:
if in doubt, use parentheses!
1. Parentheses (starts w/ innermost)
2. Not (~), ltr
3. Arithmetic operations, ltr
^ (ltr), * / (ltr), + - (ltr)
4. Relational operations, ltr
5. AND (&)
6. OR (|)
7. Short-circuit AND (&)
8. Short circu

CBE 162: Chemical Process Control
Homework 9 Solutions
Question 1.
(a) This is a rst order unstable process. From example 9.4, the PI controller parameters are given by:
kc =
I =
+2u
= 0.+4
kp (2 ) =
kp
5
= ( + 2) = ( + 2)
2
u
Figure 1: 1(b) Output resp

CBE 162: Chemical Process Control
Homework 6 Solutions
Question 1.
(a) Z-N: kC = 113, I = 1.32
T-L: kC = 78.1, I = 2.9
(b) Parts (b) to (f) have been discussed in class for the T-L PI controller (not PID)
Gain margin: 2.5, Phase margin: 220
Gain multiplie

CBE 162: Chemical Process Control
Homework 8 Solutions
Question 1.
(a) There are several choices for controller design. For the purpose of illustration, controller (D) in Table
9-1 of the text will be used here. The controller parameters are: kc = 0.05/,

CBE 162: Chemical Process Control
Homework 5 Solutions
Question 1.
The results obtained from the Simulink model are dierent from ode45 since the former is based on a
linearized form of the non-linear process equations.
Question 2.
For the rst steady state

CBE 162: Chemical Process Control
Homework 4 Solutions
Question 1.
(a) Case
Case
Case
Case
t
t
i: a = 20 > 1 : y (t) = 1 + 1.25e 10 2.25e 2
t
t
ii(a): a = 4 < 1 , a > 2 : y (t) = 1 0.75e 10 0.25e 2
t
t
10
2
ii(b): a = 1 < 1 , 2 : y (t) = 1 1.125e
+ 0.125

CBE 162: Chemical Process Control
Homework 1 Solutions
Question 1.
(a) Description of control system
(2 pts)
(b) Statement of the control objective and description of the input (manipulated and disturbance),
measured and unmeasured output variables
(5 pts

ChE 162 Lab 9 Assignment
Due Monday, April 29, 2013 at 5pm
Submit a hardcopy of your homework to B75 Tan and upload an electronic copy to bSpace. Copy and
paste your MATLAB codes into a Word document. DO NOT SUBM

ChE 162 Lab 5 Assignment
Due Friday, March 8, 2013
Submit a hardcopy of your homework to B75 Tan and upload an electronic copy to bSpace. Copy and
paste your MATLAB codes into a Word document. DO NOT SUBMIT MATLAB FILES.
25% per every 24 hours will be ded

ChE 162 Lab 2 Assignment
(Due right before the beginning of next lab)
Submit a hardcopy of your homework to B75 Tan and upload an electronic copy to bSpace. Copy and
paste your MATLAB codes into a Word document. DO NOT SUBMIT MATLAB FILES.
1. (9 points) R

ChE 162 Lab 1 Assignment
(Due right before the beginning of next lab)
Print out a hardcopy of your homework to hand in at the beginning of lab. Copy and paste your
MATLAB codes into a Word document. DO NOT SUBMIT MATLAB FILES.
1. (2 points) Create the fol

CBE 162: Chemical Process Control
Homework 7
Due on 9th April, 2013
You may turn it in the same day by 5pm (no penalty), or with 25% deduction/day at 384 Tan Hall.
Clearly state all assumptions. Please make sure that pages are numbered, and the questions

CBE 162: Chemical Process Control
Homework 6
Due on 2nd April, 2013
You may turn it in the same day by 5pm (no penalty), or with 25% deduction/day at 384 Tan Hall.
Clearly state all assumptions. Please make sure that pages are numbered, and the questions

CBE 162: Chemical Process Control
Homework 5
Due on 12th Mar, 2013
You may turn it in the same day by 5pm (no penalty), or with 25% deduction/day at 384 Tan Hall.
Clearly state all assumptions. Please make sure that pages are numbered, and the questions a

CBE 162: Chemical Process Control
Homework 10 Solutions
Question 1.
(a) Module 10 (1): Level control in a surge vessel corresponds to an integrating system (i.e. eigenvalue
of the A matrix in the state-space model is zero) irrespective of the tank orienta

CBE 162: Chemical Process Control
Homework 2 Solutions
Question 1.
(a) The expressions have been derived in class
(20 pts)
(b) T (0) = Tj (0) = 250 C
(10 pts)
(c) T (0) = 1500 C, Tj (0) = 250 C
(10 pts)
(d) 5 pts for verication of each steady state.
1
Que

CBE 162 Spring 2016
Homework 5
Due: Wednesday February 24, 2016
Assignment must be submitted by the start of class (9:10 am) on the due date. A hard copy must be
submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late

CBE 162, Spring 2016
Homework 8
Due: Friday March 18, 2016
Assignment must be submitted by the start of class (9:10 am) on the due date. A hard copy must
be submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late
home

CBE 162, Spring 2016
Homework 12
Due: Wednesday April 20, 2016
Assignment must be submitted by the start of class (9:10 am) on the due date. A hard copy must
be submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late

CBE 162 Spring 2016
Homework 3
Due: Wednesday February 10, 2016
Assignment must be submitted by the start of class (9:10 am) on the due date. A hard copy must be
submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late

CBE 162, Spring 2016
Homework 13
Due: Monday May 2, 2016
Assignment must be submitted to the drop box by noon (12:00pm) on the due date. A hard copy
must be submitted to the GSIs via the drop box and a soft copy must be uploaded on the bCourses
page. No l

CBE 162 Spring 2016
Homework 9
Due: Wednesday March 30, 2016
Assignment must be submitted by the start of class (9:10 am) on the due date. A hard copy must be
submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late ho

CBE 162, Spring 2016
Homework 2
Due: Wednesday February 3, 2016
Assignment must be submitted by the start of class (9:10 am) on the due date. A hard copy must
be submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late

CBE 162 Spring 2016
Homework 11
Due: Wednesday April 13, 2016
Assignment must be submitted by the start of class (9:10 am) on the due date. A hard copy must be
submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late h

CBE 162, Spring 2016
Homework 4
Due: Wednesday February 17, 2016
Assignment must be submitted by the start of class (9:10 am) on the due date. A hard copy must
be submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No lat

CBE 162 HW01
Fall 2015
Haotong Li
Question 1
(a)
(b)
h is measured output, F is manipulated input, and Fi is disturbance input.
(c)
dV
=FiF
dt
V=Ah
d ( Ah)
dh
=A =FiF
dt
dt
P=gh
dh
=
dt
d
( gP ) = 1 dP = ( FiF )
dt
g dt
A
thus
h=
P
g
Finally
t
h ( t ) =h0

CBE 162: Dynamics and Control of Chemical Processes
Homework 2
Due: 9/11/15
Homework must be submitted by the start of class (9:10 am) on the due date. A soft copy must
be submitted to the bCourses page as a single pdf containing all your solutions and re

CBE 162: Dynamics and Control of Chemical Processes
Homework 4
Due: 9/25/14
Homework must be submitted by the start of class (9:10 am) on the due date. A PDF
containing all your solutions and relevant work or code must be submitted on the bCourses
page. N