roduction and Operation Managements Project Scheduling Professor JIANG Zhibin Department of Industrial Engineering Management Shanghai Jiao Tong University
Production and Operation Managements Professor JIANG Zhibin Department of Industrial Engineering & Management Shanghai Jiao Tong University Project Scheduling
⑧ What's a Project? Bringing about change is hard Many related activities Hard to plan production A project focuses on the outcome Regular teamwork focuses on the work process 上浒充道大多
What’s a Project? • Bringing about change is hard • Many related activities • Hard to plan production • A project focuses on the outcome • Regular teamwork focuses on the work process
® Examples of Projects Building construction New product introduction Software implementation Training seminar ·Research project 上济充鱼大姿
Examples of Projects • Building construction • New product introduction • Software implementation • Training seminar • Research project
⑧ Project Scheduling Establishing objectives ● Determining available resources Sequencing activities ● Identifying precedence relationships ● Determining activity times costs Estimating material worker requirements Determining critical activities
Project Scheduling • Establishing objectives • Determining available resources • Sequencing activities • Identifying precedence relationships • Determining activity times & costs • Estimating material & worker requirements • Determining critical activities
Project Scheduling Techniques ●Gantt chart .Critical Path Method (CPM) Program Evaluation Review Technique (PERT) 上游充鱼大姿
Project Scheduling Techniques • Gantt chart • Critical Path Method (CPM) • Program Evaluation & Review Technique (PERT)
⑧ Gantt Chart Time Period Activity J F MA MJ Design Build Test 上泽充鱼大漫
Gantt Chart J F M A M J J Time Period Activity Design Build Test J F M A M J J Time Period Activity Design Build Test
⑧ PERT cPm ·Network techniques 。Developed in 19950's CPM by DuPont for chemical plants PERT by U.S.Navy for Polaris missile Consider precedence relationships interdependencies Each uses a different estimate of activity times 上帝充通大粤
PERT & CPM • Network techniques • Developed in 1950’ s CPM by DuPont for chemical plants PERT by U.S. Navy for Polaris missile • Consider precedence relationships & interdependencies • Each uses a different estimate of activity times
Questions Answered by PERT CPM 。Completion date? ● On schedule?Within budget? ● Probability of completing by ... Critical activities? .Enough resources available? How can the project be finished early at the least cost? 上浒充鱼大姿
• Completion date? • On schedule? Within budget? • Probability of completing by ...? • Critical activities? • Enough resources available? • How can the project be finished early at the least cost? Questions Answered by PERT & CPM
PERT CPM Steps Identify activities Determine sequence Create network Determine activity times Find critical path Earliest latest start times Earliest latest finish times √Slack 上帝充通大粤
PERT & CPM Steps • Identify activities • Determine sequence • Create network • Determine activity times • Find critical path Earliest & latest start times Earliest & latest finish times Slack
⑧ Activity on Node (AoN) Project:Obtain a college degree (B.S.) Attend class, Receive Enroll study etc. diploma 1 month 4 or 5 Years 1 day 上浒充鱼大漫
Activity on Node (AoN) 2 4 or 5 Years Enroll Receive diploma Project: Obtain a college degree (B.S.) 1 month Attend class, study etc. 1 1 day 3