Methods
First a video was watched which showed an assembly worker putting together a
flashlight. An analysis of the video was performed, which gave us such information as
how many wrist movements were involved, what type of stress/strain was put on the
bo
Introduction:
This case study involved the analysis of a worker stacking boxes manually onto a
pallet. The boxes each weighed 22 pounds, with dimensions of 20x16x8.
The
worker had to stack 60 boxes to a pallet, and had no machinery or tools to aid him wit
Introduction to Work Design
IE 327
Spring 2015
Instructor:
Scarlett Miller, Assistant Professor
213-P Hammond Building
scarlettmiller@psu.edu
www.engr.psu.edu/shm13
Office Hours: Tuesdays and Thursday, 1:00-2:15pm
Class Info:
(lecture) Monday and Wednesda
Case Study Report Writing Guide
Please type your report using the template and staple in the upper left-hand corner. Do not otherwise bind the report or use
report covers. Include the name of the case study, section, all group members and the date on a se
Forrest Williams
Hw 3: Energy Calculations, CTD and Anthropometry
IE 327, Spring 2016
Assigned: Feb 8
Due: Feb 15 at start of class
Make sure you have read Chapter 5.
1. The laborer on the palletizing operation has been complaining about fatigue and
the l
What was considered the most important subject
area of industrial engineering education?
IN 1954: Time and Motion studies
In 1964: time and motion studies
In 2000:
Job evaluation, team work and training
Operator trainging approaches used
in industry
Square layout
Width for all 9 keys was of an inch
Height of each key was 5/8 of and inch with a space of 1/8 of an inch in between each of
the keys
Diagonals or distances to keys 1, 3, 7 and 9 are c = (9/16 + 49/64)1/2 = 1.15244 inches
1. Index of difficu
Hw 1: Methods Engineering
IE 327, Spring 2016
Assigned: Jan 20
Due: Jan 27 at start of class
MakesureyouhavereadtherequiredpagesinChapter1and2.
1.Listtheeightstepsinapplyingmethodsengineering.
1. SelectProject
2. Getandpresentdata
3. Analyzedata
4. Develo
IE 327 4.25.16
Announcements
Wotd: showcase
Complete srte
Extra credit hw 10 (10 points of hw 10 if 100% complete)
Hw 10 due 4.27.16
How do we calculate a learning
curve
Learning curve is represented by the power curve
Y = KX^(n)
Y = cycle time;
K =
Hw 1: Methods Engineering
IE 327, Spring 2016
Assigned: Jan 20
Due: Jan 27 at start of class
MakesureyouhavereadtherequiredpagesinChapter1and2.
1.Listtheeightstepsinapplyingmethodsengineering.
1. SelectProject
2. Getandpresentdata
3. Analyzedata
4. Develo
Hw 4: Work Environment Design
IE 327, Spring 2016
Assigned: Feb 15
Due: Feb 22 at start of class
Make sure you have read Chapters 5 and 6.
1. Because of the Challenger disaster, NASA has decided to include a personal escape launch for each of the
space sh
Objectives:
Find processing time for different keys and spaces
Find the channel capacity for the ATM user
Chart the incremental time in a graph
Calculate the total response time for FAST CASH
Optimize the FAST CASH response time
Methods:
First the in
6.b)
Assume.grip forc of 15% MVC 8 hr work day, 30 minute lunch break, plus two 15
minute breaks. Assume work temperature=warm
Using CTD Risk Index
Cycle Time=5s
#Cycle/Day=(480-30-15-15)x60)/5=5040
#Handmotions/Cycle=6
#Handmotions/Day=6x5040
Frequency F
Homework #9
Bonus Question: Most workers, under incentives, can be expect to reach a performance level of 130.
Question 1
Hourly Costs:
Operators = $10.00
Indirect labor and other overhead = $5.00
General office expenses = $2.00
Total hourly costs = $17.0
Homework #8
Question 1
Work sampling observations:
p
= 0.30
q
= 1 0.30 = 0.7
I
= 0.10
n
= 3.84pq / I^2 = 3.84(0.3)(0.7) / 0.10^2
= 80.64 ~= 81 observations.
Random observation could be made using the random number table. First, select four numbers from
th
Homework #6
Question 6:
a. The index of difficulty value of each pedal.
Formula:
Index of Difficulty = log_2 (2*D/2)
Index of difficulty for Accelerator = log_2 (2*2/2) = 1
Index of difficulty for Brake = log_2 (2*5/2) = 2.32
Index of difficulty for Clutc
I E 327 HOMEWORK #5.
QUESTION 1
(a) Formula:
H = log_2 n , n = 8
H = log_2 (8) = 8
The amount of information is 8.
(b) Formula:
H = p_i x log_2 (1/p_i)
H = [3 x (0.08 log_2 (1/0.08)] + [0.25 log_2 (1/0.25)]
+ [2 x (0.12 log_2 (1/0.12)] + [0.05 log_2 (1/0
IE 327 HOMEWORK #4
Question 1 Based on Table 6.2 in the textbook, a difficult assembly is classified in the F category. To determine
the range of illuminance, we have to refer to Table 6.3. Based on Table 6.3, a work area with a
reflectivity of 60% has we
IE 327 HOMEWORK #1
1) PROBLEM 12:
JOB CODE vs INJURY
30
25
20
15
Other
CTD
Strain/Sprain
10
5
0
Based on the OSHA recordable injuries table and the graph above, I can conclude that the
job code with the most injury is CUP and the job code with the least i
CTD Risk Index
Job Title:
SkM
VCR Counter No.: -
Date:
Ot / ~t /IS
.JI'
Department: -
CD
Cycle Time (in minutes; obtain from videotape)
# Cycle/Day
(480-Lunch-Breaks)
CvcleTime
=
=
480-30-~8
[.
@
a
d.5~
b~
#Parts I Day (if known)
Larger of a or b:
b
# Han
Eric Ahrweiler
IE327 HW5
2)
a) assume equally likely digits (0-9)
H=1.4427*ln(10)
H=3.32 bit/envelope
RT=a+bH
a=.3 RT=1s (60envelope/min x 1min/60s)
b=(RT-a)/H b=(1-.3)/3.32 b=.211
bandwidth=1/b
bandwidth=4.74bit/s (ans)
b) from information in tables
H=pi
IE 327
4.13.16
Wotd: five
Hw 9 due Wednesday april 20th
Class next Monday in -ist cybertorium room 113 1:15 -2:15
True or False
Workers do not give extra or sustained effort unless some incentive is
provided
True!
Our goal: genrate highly productive
IE 327 4.27.16
Wotd: review
Final Monday may 2 10:10am
Studying strategies
Study hw
Practice problems
Labs
Old exams
Factors that stuck out in the lectures
Final class coverage lec #13-26
Ch-7 - information processsing; signal detection theory (infor