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运筹学作业代写 | operations research代写 | theory Problem

2019-10-23 18:15 星期三 所属: 作业代写 浏览:60

运筹学作业代写 Problem: Emergency Medical Response

The Emergency Service Coordinator (ESC) for a county is interested in locating the county’s three ambulances to best maximize the number of residents that can be reached within 8 minutes of an emergency call.

Problem: Emergency Medical Response

The Emergency Service Coordinator (ESC) for a county is interested in locating the county’s three ambulances to best maximize the number of residents that can be reached within 8 minutes of an emergency call. The county is divided into 6 zones and the average time required to travel from one zone to the next under semi-perfect conditions is summarized in the following Table 1.

运筹学作业代写
运筹学作业代写
  Average Travel Times (min.)
Zones 1 2 3 4 5 6
1 1 8 12 14 10 16
2 8 1 6 18 16 16
3 12 18 1.5 12 6 4
4 16 14 4 1 16 12
5 18 16 10 4 2 2
6 16 18 4 12 2 2

Table 1: Average Travel Times From Zone i To Zone j In Semi-Perfect Conditions.

The population in zones 1, 2, 3, 4, 5 and 6 are given in Table 2 below:

Zones Population
1 50,000
2 80,000
3 30,000
4 55,000
5 35,000
6 20,000
Total 270,000

Table 2: Population In Each Zone

Goals of your model:

  1. Determine the locations for the three ambulances which would maximize the number of people who can be reached within 8 minutes of a 911 call. Can we cover everyone? If not, then how many people are left without coverage?
  2. We now have only two ambulances since one has been set aside for an emergency call; where should we put them to maximize the number of people who can be reached within the 8 minute window? Can we cover everyone? If not, then how many people are left without coverage?
  3. Two ambulances are now no longer available; where should the remaining ambulance be posted? Can we cover everyone? If not, then how many people are left without coverage?
  4. If a catastrophic event occurs in one location with many people from all zones involved, could the ESC cover the situation? How do counties or cities design for those rare but catastrophic events?
  5. Please prepare a short 1-2 page non-technical memo outlining your recommendations from your model and analysis finding for the ESC.

 

 

运筹学作业代写 要求:

三人或两人或一人组成完成,建立模型并用软件求解(不限WinQSB)。作业交word格式。

本学期第18周周五下午前发到邮箱:[email protected]

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