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BUSI 2301 Lecture Notes - Makespan, Customer Service, Top Priority

Course Code
BUSI 2301
Inder S Mann

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CHAPTER 16: Scheduling and Control
A. Intro
oEstablishing the timing of the use of eqpt, facilities, and human
activities in an organization
-Dynamic scheduling
oLocation of scheduling in the production planning system
-Shop floor control
oExecution of the schedule
-Objective of scheduling
oTo achieve trade-offs among conflicting goals, which include efficient
utilization of staff, eqpt, and facilities, and minimization of customer
waiting time, inventories, and production times
B. Scheduling in Manufacturing
1) Scheduling in high vol systems (continuous and assembly line)
a. Goal is to obtain a smooth rt of flow of goods thru system in order to
get hi utilization of labour and equipment
b. Flow system: hi vol system with one main flow of material movement,
using std’ized eqpt and activities
c. Flow shop scheduling: scheduling of flow systems
2) High Process Volume Factors
a. Process and product design
b. Preventive maintainence
c. Rapid repair when breakdown occurs
d. Optimal product mixes
e. Minimization of quality problems

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f. Reliability and timing of supplies
3) Scheduling in intermediate vol sys’s (batch)
a. Items are processed intermittently
b. Three issues
i. Run size
ii. Sequence
iii. Timing of batches
C. Scheduling Low-Volume Systems (Job Shops)
-Job Shop scheduling
oScheduling for low vol systems w many variations in reqms
oThe assignment of jobs to processing centres
oInfinite loading
Jobs are assigned to work centres without regard to the cap of
the work centre
oFinite loading
Jobs are assigned to work centres taking into account the work
centre cap and job processing times
oVertical loading
Loading jobs at work centres independently
oHorizontal loading
Loading each job on all work centres it will require, on job at a
time, according to some priority
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