上海充通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY 《王程经学》 第7讲 项目方案的排序（4.6) 服务寿命不等的方案比较（4.7) 上海交通大学船建学院 《工程经济学》教学团队 主讲：胡昊 Ph D,Prof.,FICE,CEng 2017-2018学年第1学期
船舶海洋与建筑工程学院 第7讲 项目方案的排序 （4.6） 服务寿命不等的方案比较 （4.7） 《工程经济学》 上海交通大学船建学院 《工程经济学》教学团队 主讲：胡 昊 Ph D, Prof., FICE, CEng 2017-2018学年第1学期
上海充通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY 项目方案的排序讲授内容 >一、非互斥项目相关概念 >二、互斥组合法 >三、线性规划法 >四、净现值率法 >五、电子表格的运用
船舶海洋与建筑工程学院 一、非互斥项目相关概念 二、互斥组合法 三、线性规划法 四、净现值率法 五、电子表格的运用 项目方案的排序 讲授内容
上海充通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY 项目方案的排序 独立方案的比较选择 口分类 >无资源限制 独立方案之间共享的资源（通常为资金)足够多 (没有限制) 加法原则，可行方案全部选择 >有资源限制 独立方案之间共享的资源是有限的，不能满足所 有方案的需要；方案的选择要在这种不超出资源限额的条 件下进行 方案组合法（互斥组合法)→转化为互斥方案 净现值率排序法→图解法
船舶海洋与建筑工程学院 独立方案的比较选择 分类 无资源限制 ——独立方案之间共享的资源（通常为资金）足够多 （没有限制） ——加法原则，可行方案全部选择 有资源限制 ——独立方案之间共享的资源是有限的，不能满足所 有方案的需要；方案的选择要在这种不超出资源限额的条 件下进行 ——方案组合法（互斥组合法）转化为互斥方案 净现值率排序法图解法 项目方案的排序
上海文通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY Case:Resource-constrained Planning One way to consider resources is to taken them into account when drawing the logical relationships among activities in the network diagram. At a minimum,network diagrams illustrate the technical constraints among activities. Paint Living Room Start Project Paint Kitchen Finish Project Paint Bedroom
船舶海洋与建筑工程学院 • One way to consider resources is to taken them into account when drawing the logical relationships among activities in the network diagram. • At a minimum, network diagrams illustrate the technical constraints among activities. Start Project Paint Kitchen Finish Project Paint Living Room Paint Bedroom Case: Resource-constrained Planning
上海充通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY Resource-constrained Planning (Cont. The network logic can also take into account resource constraints. Start Paint Living Paint Paint Finish Project Room Kitchen Bedroom Project This approach is feasible for small projects involving few resources
船舶海洋与建筑工程学院 • The network logic can also take into account resource constraints. • This approach is feasible for small projects involving few resources. Paint Living Room Paint Kitchen Start Project Paint Bedroom Finish Project Resource-constrained Planning (Cont.)
上海文通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY Planned Resource Utilization(Cont. ·Example: Paint stairs and hall Paint first floor 4 day rooms 1 painter 8 day 2 painters Paint bathroom 2 day Paint basement 1painters Start rooms Finish Project 4 days Project 1 painter Paint Bedrooms 6 days 1 painter
船舶海洋与建筑工程学院 • Example: Paint basement rooms 4 days 1 painter Finish Project Start Project Paint first floor rooms 8 day 2 painters Paint Bedrooms 6 days 1 painter Paint stairs and hall 4 day 1 painter Paint bathroom 2 day 1painters Planned Resource Utilization (Cont.)
上海文通大学 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY Planned Resource Utilization(Cont. Example: Painter Days First flpor rooms panters) 16 IStairs hal(1painter) 4 Bathrdom(1 painter) I E 2 Basemeht rdoms(1 bainter)! 4 Bedrobms (1 painter)I 6 Day 1 2 3 6 7 8 9 1 1 Painter 4 4 4 4 332222 1 32 (Based on earliest start times)
船舶海洋与建筑工程学院 • Example: 1 2 3 4 5 6 7 8 9 10 11 12 4 4 4 4 3 3 2 2 2 2 1 1 Painter Days Day Painter 32 16 4 2 4 6 First floor rooms (2 painters) Stairs & hall (1 painter) Bathroom (1 painter) Basement rooms (1 painter) Bedrooms (1 painter) (Based on earliest start times) Planned Resource Utilization (Cont.)
上海充通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY Planned Resource Utilization(Cont. Example: Painters 123456789101112 Days (Based on earliest start times)
船舶海洋与建筑工程学院 • Example: 1 2 3 4 5 6 7 8 9 10 11 12 Painters Days (Based on earliest start times) Planned Resource Utilization (Cont.)
上海文通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY Resource Leveling (Cont. Painter Example: Days First flpor rooms painters) 16 I Stairs&hal(1pairter) 4 I Bathrcom(1 painter) 2 Basemeht rooms(1 bairlter)! 4 Bedrobms (1 painter)! 6 Day 1 2 3 4 5 6 7 8910 71 12 Painter 3 3 3 3 3 3 3 3 33 1 1 32 (Based on earliest start times)
船舶海洋与建筑工程学院 • Example: 1 2 3 4 5 6 7 8 9 10 11 12 3 3 3 3 3 3 3 3 3 3 1 1 Painter Days Day Painter 32 16 4 2 4 6 First floor rooms (2 painters) Stairs & hall (1 painter) Bathroom (1 painter) Basement rooms (1 painter) Bedrooms (1 painter) (Based on earliest start times) Resource Leveling (Cont.)
上海充通大￥ 船帕海洋与建筑工程学院 SHANGHAI JIAO TONG UNIVERSITY Resource Leveling (Cont. Exmple: 123456789101112 Days (Based on earliest start times)
船舶海洋与建筑工程学院 • Example: 1 2 3 4 5 6 7 8 9 10 11 12 Painters Days (Based on earliest start times) Resource Leveling (Cont.)
