METHODOLOGIES FOR THE EVALUATION AND IMPROVEMENT OF EMERGENCY MEDICAL SERVICE SYSTEMS. VOLUME III. COMPUTERIZED AMBULANCE LOCATION LOGIC USERS MANUAL: PL/I AND FORTRAN VERSIONS
An efficient and general method of seeking an optimal deployment of emergency medical vehicles, in terms of minimizing the response time, is presented. The method combines a queuing model, an optimum seeking nonlinear algorithm, and simulation. This queuing model describes a system in which the arrival rate is distributed in a Poisson manner, the service time may have any distribution and no waiting occurs because the available providers of services are infinite in number. The search routine is that developed by Hooke and Jeeves. The queuing model is used to estimate a conditional mean response time for the given locations of hospitals and any initial set of locations of the emergency medical vehicles. The probabilities of one, two, etc., emergency medical vehicles being busy, and hence increasing the mean response time, are estimated by simulation. The search routine directs changes in the locations of the emergency medical vehicles with the object of progressively decreasing the mean response time. Portions of this document are not fully legible.
- See also Volume 2, PB-245 550.
University of California, Los AngelesDivision of Operations Research
Los Angeles, CA USA 90024
Washington, DC USA 20590
- Fitzsimmons, J A
- Publication Date: 1975-8
- Features: Figures; References; Tables;
- Pagination: 120 p.
- TRT Terms: Algorithms; Ambulances; Computer programming languages; Computer programs; Data processing; Disasters and emergency operations; Emergency response time; Emergency vehicles; Evaluation; Location; Mathematical models; Medical services; Optimization; Planning; Queuing theory; Reaction time; Simulation
- Identifier Terms: FORTRAN (Computer program language)
- Uncontrolled Terms: Emergency services; Models
- Old TRIS Terms: Evaluating; Pl/1 programming language; Queueing theory; Response
- Subject Areas: Highways; Planning and Forecasting; Safety and Human Factors;
- Accession Number: 00093299
- Record Type: Publication
- Source Agency: National Technical Information Service
- Report/Paper Numbers: Final Rpt., DOT--HS-801-705
- Contract Numbers: FH-11-6849
- Files: NTIS, TRIS, USDOT
- Created Date: Dec 3 1976 12:00AM