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An Aware and Strongly-Coordinated Multi-Robot System for Finding Multiple Dynamic Users in Human-Centered Environments.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
An Aware and Strongly-Coordinated Multi-Robot System for Finding Multiple Dynamic Users in Human-Centered Environments./
作者:
Mohamed, Sharaf Christopher.
出版者:
Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:
155 p.
附註:
Source: Dissertations Abstracts International, Volume: 83-02, Section: A.
Contained By:
Dissertations Abstracts International83-02A.
標題:
Robotics. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28318202
ISBN:
9798522946265
An Aware and Strongly-Coordinated Multi-Robot System for Finding Multiple Dynamic Users in Human-Centered Environments.
Mohamed, Sharaf Christopher.
An Aware and Strongly-Coordinated Multi-Robot System for Finding Multiple Dynamic Users in Human-Centered Environments.
- Ann Arbor : ProQuest Dissertations & Theses, 2021 - 155 p.
Source: Dissertations Abstracts International, Volume: 83-02, Section: A.
Thesis (Ph.D.)--University of Toronto (Canada), 2021.
This item must not be sold to any third party vendors.
Socially assistive robotics considers robots helping people via social interactions. With technological advancements over the past few decades, there has been an increase in the number and types of socially assistive robotic applications. However, these applications have focussed on scenarios in which people begin collocated with the robot. Yet, in real-world environments, people go about their day-to-day lives and robots must first find users prior to assisting. To address this limitation, this thesis considers the multi-robot person search problem, defined herein as the person search team orienteering problem (PSTOP). The PSTOP considers dynamic users with changing locations during the search, a team of robots that may need to search a region multiple times, and a specified search time frame. User locations are modelled by novel activity probability density functions (APDFs) using past location data. The APDF is the only existing model which can determine the probability of a user occupying a region by considering when the region was previously searched. A two-stage multi-robot person search system (2-MRPSS) is introduced to generate team plans specifying when and for how long to search regions. The 2-MRPSS is the only planner which can consider user location data when determining repeated searches of a region. The 2-MRPSS is also the only existing planner which reasons about past user location data, while being both aware and strongly-coordinated. Moreover, this thesis is the first to deploy a multi-robot multi-user person search in a real-world human-centered environment by using a novel centralized architecture to oversee the generation, execution, and monitoring of the team plan. Within the architecture, this thesis introduces a novel low-cost information gathering technique and a navigation technique that adheres to human-etiquette. Simulations have been conducted to evaluate the theoretical contributions of the thesis and experiments have been conducted to evaluate the practical contributions of the thesis. The simulations show that the proposed approach finds more target users than existing state-of-the-art techniques. The experiments show that the architecture, information gathering, navigation, and 2-MRPSS can be used to successfully perform the multi-robot person search in a real-world human-centered environment.
ISBN: 9798522946265Subjects--Topical Terms:
519753
Robotics.
Subjects--Index Terms:
Human-centered environments
An Aware and Strongly-Coordinated Multi-Robot System for Finding Multiple Dynamic Users in Human-Centered Environments.
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Socially assistive robotics considers robots helping people via social interactions. With technological advancements over the past few decades, there has been an increase in the number and types of socially assistive robotic applications. However, these applications have focussed on scenarios in which people begin collocated with the robot. Yet, in real-world environments, people go about their day-to-day lives and robots must first find users prior to assisting. To address this limitation, this thesis considers the multi-robot person search problem, defined herein as the person search team orienteering problem (PSTOP). The PSTOP considers dynamic users with changing locations during the search, a team of robots that may need to search a region multiple times, and a specified search time frame. User locations are modelled by novel activity probability density functions (APDFs) using past location data. The APDF is the only existing model which can determine the probability of a user occupying a region by considering when the region was previously searched. A two-stage multi-robot person search system (2-MRPSS) is introduced to generate team plans specifying when and for how long to search regions. The 2-MRPSS is the only planner which can consider user location data when determining repeated searches of a region. The 2-MRPSS is also the only existing planner which reasons about past user location data, while being both aware and strongly-coordinated. Moreover, this thesis is the first to deploy a multi-robot multi-user person search in a real-world human-centered environment by using a novel centralized architecture to oversee the generation, execution, and monitoring of the team plan. Within the architecture, this thesis introduces a novel low-cost information gathering technique and a navigation technique that adheres to human-etiquette. Simulations have been conducted to evaluate the theoretical contributions of the thesis and experiments have been conducted to evaluate the practical contributions of the thesis. The simulations show that the proposed approach finds more target users than existing state-of-the-art techniques. The experiments show that the architecture, information gathering, navigation, and 2-MRPSS can be used to successfully perform the multi-robot person search in a real-world human-centered environment.
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http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28318202
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