上海交通大学：《生产计划与控制 Production Planning and Control》课程教学资源（课件讲稿）chap10 Project Scheduling

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