NDLI: Indoor evacuation planning using a limited number of sensors

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Indoor evacuation planning using a limited number of sensors

Content Provider	ACM Digital Library
Author	Sarda, Nandlal L. Bhushan, Alka Nallagalva, Ashok
Abstract	This paper focuses on indoor evacuation path planning problem where the objective is to find evacuation paths for each evacuee such that the evacuation egress time is minimized. Since paths are dependent on the distribution of evacuees, initial positions of evacuees are required to find optimal paths during emergency. Instrumenting a building to obtain initial positions and count of people in a building is very challenging (and costly), and hence evacuation plans are prepared for a few expected distributions. Generally, a standard plan based on a predominant distribution of evacuees is posted on the walls inside an indoor facility for people to follow. However, the actual distribution may be another distribution from among the possible distributions. In this work, we consider the problem of finding the distribution that prevails at the evacuation time so that evacuees can be guided to follow the optimal paths (leading to minimum time) rather than following the standard plan. We propose a cost-effective solution to this problem by observing movement of people within a specified time period, labeled distribution detection window, using minimum number of optimally located sensors. This is in contrast to existing approaches which assume that unlimited sensors are available to instantaneously obtain the exact distribution of evacuees at the time of incidence. To our knowledge this paper presents the first formal evacuation planning approach that enables the user to optimally tradeoff the delay in distribution detection with the cost of the deployed sensor network used to obtain this distribution. Our approach is based on the popular heuristic denoted as Capacity Constrained Routing Planner (CCRP). Our approach is illustrated by a set of experiments on two case studies. The results demonstrate that evacuation plans obtained using minimum number of sensors are better than the standard plans and are comparable to evacuation plans computed using unlimited number of sensors.
Starting Page	1
Ending Page	6
Page Count	6
File Format	PDF
ISBN	9781450339704
DOI	10.1145/2835596.2835597
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-11-03
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Indoor network Routing and scheduling Indoor evacuation planning
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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