Long-term
Intermediate-term
Master Schedule 主生产计划 1. MRP 2. Disaggregation of master plan Short-term Scheduling 1. Work center loading 2. Job sequencing 短期排程
Intermediate-term
Short-term
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Operations Management
8
一、综合计划
Aggregate Planning
生产综合计划
产量和生产安排的中期计划
主生产计划
详细的工作排程
生产计划系统 Management School of UESTC
9
Priority Planning & Scheduling
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Operations Management
10
二、综合计划的核心
平衡生产任务和生产能力
Aggregate Planning
市场需求 企业自身
生产任务 平衡点
生产能力
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Responsible: Operations managers, supervisors, foremen Responsible: Operations managers
长期计划
战略层
Responsible: Top executives
Intermediate-range plans Sales planning Production planning and budgeting Setting employment, inventory, subcontracting levels Analyzing operating plans
中期计划
Long-range plans R&D New product plans Capital expenses Facility location, expansion
战术层
Today 3 Months
1 year
5 years
Planning Horizon Management School of UESTC
Operations Management
11
生产计划的指标体系
Aggregate Planning
品种指标
产量指标 质量指标
产值指标
出产期指标
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Operations Management
12
三、综合计划的思路
平衡
生产能力
修正供给的决策 生产能力选择 吸纳需求波动
生产任务
修正需求的决策 需求选择 消除需求波动
Management School of UESTC
Operations Management
13
1、生产能力选择
？生产能力
(Capacity)
Output rate
一个设施的最大产出ຫໍສະໝຸດ 力？影响生产能力的因素人员能力
人员数量 工作时间 出勤率 技术水平
Management School of UESTC
Operations Management
4
计划的层次
战略层 战术层 作业层
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Operations Management
Planning Horizons
5
短期计划
作业层
Short-range plans Job assignments Ordering Job scheduling Dispatching
7
Capacity Planning, Aggregate Scheduling, Master Schedule, and Short-Term Scheduling
Capacity Planning 生产能力规划 1. Facility size 2. Equipment procurement Aggregate Scheduling 1. Facility utilization 2. Personnel needs 3. Subcontracting 综合计划
Operations Management
6
长期计划
研发 新产品计划 资本费用 设施选址和扩展
中期计划
销售计划 产品计划和预算 制定雇员、库存、转包策略 分析生产作业计划
短期计划
工作分配 订货 工作排程 调度
Management School of UESTC
Operations Management
Operations Management
Operations Management
Chapter 8
1
OM Plan
第八章 生产计划
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Operations Management
2
生产与运作管理
第八讲
Management School of UESTC
设备能力
设备数量 技术水平 开动率 完好率
Operations Management
3
企业经营管理 生产运作战略 ·竞争战略 ·产品战略 ·生产组织方式决策
生产运作系统设计 ·产品设计 ·运作技术选择 ·生产能力 ·工作设计、流程设计 ·设施选址 ·设施布置
生产运作过程控制 ·综合计划与主生产计划 ·MRP与MRPⅡ ·作业排序 ·项目管理 ·库存管理 ·质量管理 ·设备管理
Operations Management
Relationships of the Aggregate Plan
Marketplace and Demand Product Decisions Process Planning & Decisions Demand Forecasts, orders Aggregate Schedule for Production Master Production Schedule Research and Technology Work Force Raw Materials Available Inventory On Hand External Capacity Detailed Work Schedules Plant Capacity