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Results show that the 2-opt approach with the closest neighbour as initial starting point for the search yields superior performance. In the Multiple Travelling Salesman Problem, we propose a cluster-first approach which allocates each specific UAV to a subset of targets. The 200 targets are divided into four clusters corresponding to the four UAVs and then TSP algorithms like 2-opt and GA are employed to solve each cluster. This approach drastically reduces the computational time and also gives much better results than the conventional technique of directly applying GA over the 200 targets."],"license_tesim":["http://rightsstatements.org/vocab/InC/1.0/"],"date_created_tesim":["2015-01"],"thumbnail_path_ss":"/downloads/bc386s939?file=thumbnail","suppressed_bsi":false,"actionable_workflow_roles_ssim":["admin_set/default-default-depositing"],"workflow_state_name_ssim":["deposited"],"member_ids_ssim":["bc386s939"],"file_set_ids_ssim":["bc386s939"],"visibility_ssi":"open","admin_set_tesim":["Default Admin Set"],"sort_title_ssi":"COMPARISON OF APPROXIMATE APPROACHES TO SOLVING THE TRAVELLING SALESMAN PROBLEM AND ITS APPLICATION TO UAV SWARMING","human_readable_type_tesim":["Article"],"read_access_group_ssim":["public"],"read_access_person_ssim":["konecnmc@ucmail.uc.edu"],"edit_access_person_ssim":["cohenky@ucmail.uc.edu"],"nesting_collection__pathnames_ssim":["bc386s921"],"nesting_collection__deepest_nested_depth_isi":1,"_version_":1697080682638999552,"timestamp":"2021-04-15T04:50:59.902Z","score":0.00049999997},{"system_create_dtsi":"2017-10-27T02:30:46Z","system_modified_dtsi":"2018-08-01T18:37:34Z","has_model_ssim":["Article"],"id":"bc386s88f","accessControl_ssim":["fa566555-4182-433b-b382-8e0b79dd6c33"],"hasRelatedMediaFragment_ssim":["bc386s89q"],"hasRelatedImage_ssim":["bc386s89q"],"depositor_ssim":["cohenky@ucmail.uc.edu"],"depositor_tesim":["cohenky@ucmail.uc.edu"],"title_tesim":["Fuzzy Logic Based Intelligent Agents for Unmanned Combat Aerial Vehicle Control"],"date_uploaded_dtsi":"2017-02-03T00:00:00Z","date_modified_dtsi":"2017-04-05T00:00:00Z","isPartOf_ssim":["admin_set/default"],"proxy_depositor_ssim":["dungavjk@mail.uc.edu"],"doi_tesim":["10.4172/2167-0374.1000139"],"college_tesim":["Engineering and Applied Science"],"department_tesim":["Aerospace Engineering and Engineering Mechanics"],"note_tesim":["This work was part of a pilot \"mediated-deposit model\" where library staff found potential works, later submitted for faculty review"],"creator_tesim":["Cohen, Kelly","Ernest, Nick"],"language_tesim":["English"],"description_tesim":["Not Available"],"license_tesim":["http://rightsstatements.org/vocab/InC/1.0/"],"date_created_tesim":["2015-12"],"thumbnail_path_ss":"/downloads/bc386s89q?file=thumbnail","suppressed_bsi":false,"actionable_workflow_roles_ssim":["admin_set/default-default-depositing"],"workflow_state_name_ssim":["deposited"],"member_ids_ssim":["bc386s89q"],"file_set_ids_ssim":["bc386s89q"],"visibility_ssi":"open","admin_set_tesim":["Default Admin Set"],"sort_title_ssi":"FUZZY LOGIC BASED INTELLIGENT AGENTS FOR UNMANNED COMBAT AERIAL VEHICLE CONTROL","human_readable_type_tesim":["Article"],"read_access_group_ssim":["public"],"read_access_person_ssim":["konecnmc@ucmail.uc.edu"],"edit_access_person_ssim":["cohenky@ucmail.uc.edu"],"nesting_collection__pathnames_ssim":["bc386s88f"],"nesting_collection__deepest_nested_depth_isi":1,"_version_":1697106140623536128,"timestamp":"2021-04-15T11:35:38.528Z","score":0.00049999997},{"system_create_dtsi":"2017-10-27T02:30:39Z","system_modified_dtsi":"2018-08-01T18:37:32Z","has_model_ssim":["Article"],"id":"bc386s86w","accessControl_ssim":["da754c80-f0df-4a37-a8f7-f2ea2996c29e"],"hasRelatedMediaFragment_ssim":["bc386s875"],"hasRelatedImage_ssim":["bc386s875"],"depositor_ssim":["cohenky@ucmail.uc.edu"],"depositor_tesim":["cohenky@ucmail.uc.edu"],"title_tesim":["Genetic Fuzzy Trees and their Application Towards Autonomous Training and Control of a Squadron of Unmanned Combat Aerial Vehicles"],"date_uploaded_dtsi":"2017-02-03T00:00:00Z","date_modified_dtsi":"2017-04-05T00:00:00Z","isPartOf_ssim":["admin_set/default"],"proxy_depositor_ssim":["dungavjk@mail.uc.edu"],"doi_tesim":["10.1142/S2301385015500120"],"college_tesim":["Engineering and Applied Science"],"department_tesim":["Aerospace Engineering and Engineering Mechanics"],"note_tesim":["This work was part of a pilot \"mediated-deposit model\" where library staff found potential works, later submitted for faculty review"],"creator_tesim":["Schumacher, Corey","Cohen, Kelly","Ernest, Nicholas","Casbeer, David","Kivelevitch, Elad"],"language_tesim":["English"],"description_tesim":["This study introduces the technique of Genetic Fuzzy Trees (GFTs) through novel application to an air combat control problem of an autonomous squadron of Unmanned Combat Aerial Vehicles (UCAVs) equipped with next-generation defensive systems. 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These resulting deterministic fuzzy controllers are easily understandable by operators, are of very high performance and efficiency, and are consistently capable of completing new and different missions not trained for."],"license_tesim":["http://rightsstatements.org/vocab/InC/1.0/"],"date_created_tesim":["2015-05"],"thumbnail_path_ss":"/downloads/bc386s875?file=thumbnail","suppressed_bsi":false,"actionable_workflow_roles_ssim":["admin_set/default-default-depositing"],"workflow_state_name_ssim":["deposited"],"member_ids_ssim":["bc386s875"],"file_set_ids_ssim":["bc386s875"],"visibility_ssi":"open","admin_set_tesim":["Default Admin Set"],"sort_title_ssi":"GENETIC FUZZY TREES AND THEIR APPLICATION TOWARDS AUTONOMOUS TRAINING AND CONTROL OF A SQUADRON OF UNMANNED COMBAT AERIAL VEHICLES","human_readable_type_tesim":["Article"],"read_access_group_ssim":["public"],"read_access_person_ssim":["konecnmc@ucmail.uc.edu"],"edit_access_person_ssim":["cohenky@ucmail.uc.edu"],"nesting_collection__pathnames_ssim":["bc386s86w"],"nesting_collection__deepest_nested_depth_isi":1,"_version_":1697124990680301568,"timestamp":"2021-04-15T16:35:15.343Z","score":0.00049999997},{"system_create_dtsi":"2017-10-27T02:30:35Z","system_modified_dtsi":"2018-08-01T18:37:42Z","has_model_ssim":["Article"],"id":"bc386s84b","accessControl_ssim":["05631ac5-9bb6-4f10-bad1-f56316e8c808"],"hasRelatedMediaFragment_ssim":["bc386s85m"],"hasRelatedImage_ssim":["bc386s85m"],"depositor_ssim":["cohenky@ucmail.uc.edu"],"depositor_tesim":["cohenky@ucmail.uc.edu"],"title_tesim":["Spatio-temporal estimation of wildfire growth"],"date_uploaded_dtsi":"2017-02-03T00:00:00Z","date_modified_dtsi":"2017-04-05T00:00:00Z","isPartOf_ssim":["admin_set/default"],"proxy_depositor_ssim":["dungavjk@mail.uc.edu"],"doi_tesim":["10.1115/DSCC2013-4022"],"college_tesim":["Engineering and Applied Science"],"department_tesim":["Aerospace Engineering and Engineering Mechanics"],"note_tesim":["This work was part of a pilot \"mediated-deposit model\" where library staff found potential works, later submitted for faculty review"],"creator_tesim":["Sharma, Balaji R.","Cohen, Kelly","Kumar, Manish"],"language_tesim":["English"],"description_tesim":["This work presents a methodology for real-time estimation of wildland fire growth, utilizing a fire growth model based on a set of partial differential equations for prediction, and harnessing concepts of space-time Kalman filtering and Proper Orthogonal Decomposition techniques towards low dimensional estimation of potentially large spatio-temporal states. The estimation framework is discussed in its criticality towards potential applications such as forest fire surveillance with unmanned systems equipped with onboard sensor suites. The effectiveness of the estimation process is evaluated numerically over fire growth data simulated using a well-established fire growth model described by coupled partial differential equations. The methodology is shown to be fairly accurate in estimating spatio-temporal process states through noise-ridden measurements for real-time deployability."],"license_tesim":["http://rightsstatements.org/vocab/InC/1.0/"],"date_created_tesim":["2013-10"],"thumbnail_path_ss":"/downloads/bc386s85m?file=thumbnail","suppressed_bsi":false,"actionable_workflow_roles_ssim":["admin_set/default-default-depositing"],"workflow_state_name_ssim":["deposited"],"member_ids_ssim":["bc386s85m"],"file_set_ids_ssim":["bc386s85m"],"visibility_ssi":"open","admin_set_tesim":["Default Admin Set"],"sort_title_ssi":"SPATIOTEMPORAL ESTIMATION OF WILDFIRE GROWTH","human_readable_type_tesim":["Article"],"read_access_group_ssim":["public"],"read_access_person_ssim":["konecnmc@ucmail.uc.edu"],"edit_access_person_ssim":["cohenky@ucmail.uc.edu"],"nesting_collection__pathnames_ssim":["bc386s84b"],"nesting_collection__deepest_nested_depth_isi":1,"_version_":1697105792776273920,"timestamp":"2021-04-15T11:30:06.795Z","score":0.00049999997},{"system_create_dtsi":"2017-10-27T02:30:30Z","system_modified_dtsi":"2018-08-01T18:37:37Z","has_model_ssim":["Article"],"id":"bc386s807","accessControl_ssim":["fc04aa61-6f54-4f0a-b6b3-7c53de7dd3ae"],"hasRelatedMediaFragment_ssim":["bc386s81h"],"hasRelatedImage_ssim":["bc386s81h"],"depositor_ssim":["cohenky@ucmail.uc.edu"],"depositor_tesim":["cohenky@ucmail.uc.edu"],"title_tesim":["Optimal Fireline Generation for Wildfire Fighting in Uncertain and Heterogeneous Environment"],"date_uploaded_dtsi":"2017-02-03T00:00:00Z","date_modified_dtsi":"2017-04-05T00:00:00Z","isPartOf_ssim":["admin_set/default"],"proxy_depositor_ssim":["dungavjk@mail.uc.edu"],"doi_tesim":["10.1109/ACC.2010.5531049"],"college_tesim":["Engineering and Applied Science"],"department_tesim":["Aerospace Engineering and Engineering Mechanics"],"note_tesim":["This work was part of a pilot \"mediated-deposit model\" where library staff found potential works, later submitted for faculty review"],"creator_tesim":["Manish, Kumar","Cohen, Kelly","HomChaudhuri, Baisravan"],"language_tesim":["English"],"description_tesim":["Fire is a natural component of many ecosystems but wildland fires often do pose serious threats to public safety, properties and natural resources. Forest fire acts as a dominant factor in reshaping of terrain and change of the ecosystem of a particular area. The total damage due to wildland fire shows an increasing trend over the past decade. Forest Fire Decision Support Systems (FFDSS) have been developed for the last thirty years all over the world that supplies valuable information on forest fire detection, fire behavior and other aspects of forest fires but lacks in developing intelligent fire suppression strategies. In this paper, an effort has been made to generate intelligent fire suppression strategies with efficient resource allocation using the Genetic Algorithm based optimization tool in a heterogeneous and uncertain scenario. The goal of this research is to perform intelligent resource allocation along with the generation of optimal firelines that minimizes the total burned area due to wildland fire. The solutions generated at each generations of the Genetic Algorithm (GA) are used to build the firelines in a heterogeneous terrain where advanced forest fire propagation model is used to evaluate the fitness values of each generated solutions. The optimal firelines thus obtained through the Simulation-Optimization technique minimizes the total damage due to wildland fire and eliminates the chance of any fire escape i.e., firefront reaching the fireline positions before they are built. Such techniques integrated with the existing FFDSS hold promise in effectively controlling forest fires."],"license_tesim":["http://rightsstatements.org/vocab/InC/1.0/"],"date_created_tesim":["2010-07"],"thumbnail_path_ss":"/downloads/bc386s81h?file=thumbnail","suppressed_bsi":false,"actionable_workflow_roles_ssim":["admin_set/default-default-depositing"],"workflow_state_name_ssim":["deposited"],"member_ids_ssim":["bc386s81h"],"file_set_ids_ssim":["bc386s81h"],"visibility_ssi":"open","admin_set_tesim":["Default Admin Set"],"sort_title_ssi":"OPTIMAL FIRELINE GENERATION FOR WILDFIRE FIGHTING IN UNCERTAIN AND HETEROGENEOUS ENVIRONMENT","human_readable_type_tesim":["Article"],"read_access_group_ssim":["public"],"read_access_person_ssim":["konecnmc@ucmail.uc.edu"],"edit_access_person_ssim":["cohenky@ucmail.uc.edu"],"nesting_collection__pathnames_ssim":["bc386s807"],"nesting_collection__deepest_nested_depth_isi":1,"_version_":1697105057320796160,"timestamp":"2021-04-15T11:18:25.409Z","score":0.00049999997},{"system_create_dtsi":"2017-10-27T02:30:26Z","system_modified_dtsi":"2018-08-01T18:37:31Z","has_model_ssim":["Article"],"id":"bc386s786","accessControl_ssim":["471a6d49-d9ed-4e6c-920b-42500dd1c8e9"],"hasRelatedMediaFragment_ssim":["bc386s79g"],"hasRelatedImage_ssim":["bc386s79g"],"depositor_ssim":["cohenky@ucmail.uc.edu"],"depositor_tesim":["cohenky@ucmail.uc.edu"],"title_tesim":["Fuzzy logic control applications for second order problems with low damping"],"date_uploaded_dtsi":"2017-02-03T00:00:00Z","date_modified_dtsi":"2017-04-05T00:00:00Z","isPartOf_ssim":["admin_set/default"],"proxy_depositor_ssim":["dungavjk@mail.uc.edu"],"college_tesim":["Engineering and Applied Science"],"department_tesim":["Aerospace Engineering and Engineering Mechanics"],"note_tesim":["This work was part of a pilot \"mediated-deposit model\" where library staff found potential works, later submitted for faculty review"],"creator_tesim":["Weller, Tanchum","Cohen, Kelly","Ben-Asher, Joseph"],"language_tesim":["English"],"description_tesim":["A general methodology has been developed for the design of a robust control law for a family of lightly damped second order problems. In this research effort, the passivity approach has been extended to systems having non-collocated input/output pairs by introducing an observer that incorporates the nominal dynamical model of the plant. The developed passive observer-based control law emulates numerous dynamic vibration absorbers which are tuned to a targeted frequency using classical methods and the tuning ratios are time-invariant. However, the uniqueness of this approach is that the damping parameters of the emulated absorbers are continuously varied by means of a fuzzy logic control algorithm to provide near minimum-time suppression of vibration. The developed approach is applied to both several benchmarks in the field of structural dynamics as well as experiments using piezo-ceramic sensors and actuators. Results show that this methodology provides stability and performance robustness on the one hand as well as requiring relatively low amount of actuation authority for desired nominal plant closeloop behavior."],"license_tesim":["http://rightsstatements.org/vocab/InC/1.0/"],"date_created_tesim":["2001-11"],"thumbnail_path_ss":"/downloads/bc386s79g?file=thumbnail","suppressed_bsi":false,"actionable_workflow_roles_ssim":["admin_set/default-default-depositing"],"workflow_state_name_ssim":["deposited"],"member_ids_ssim":["bc386s79g"],"file_set_ids_ssim":["bc386s79g"],"visibility_ssi":"open","admin_set_tesim":["Default Admin Set"],"sort_title_ssi":"FUZZY LOGIC CONTROL APPLICATIONS FOR SECOND ORDER PROBLEMS WITH LOW DAMPING","human_readable_type_tesim":["Article"],"read_access_group_ssim":["public"],"read_access_person_ssim":["konecnmc@ucmail.uc.edu"],"edit_access_person_ssim":["cohenky@ucmail.uc.edu"],"nesting_collection__pathnames_ssim":["bc386s786"],"nesting_collection__deepest_nested_depth_isi":1,"_version_":1697084859576483840,"timestamp":"2021-04-15T05:57:23.340Z","score":0.00049999997},{"system_create_dtsi":"2017-10-27T02:30:22Z","system_modified_dtsi":"2018-08-01T18:37:38Z","has_model_ssim":["Article"],"id":"bc386s76n","accessControl_ssim":["ed1b11b0-5ebb-444e-a8d6-702e16e54c38"],"hasRelatedMediaFragment_ssim":["bc386s77x"],"hasRelatedImage_ssim":["bc386s77x"],"depositor_ssim":["cohenky@ucmail.uc.edu"],"depositor_tesim":["cohenky@ucmail.uc.edu"],"title_tesim":["A Formulation and Heuristic Approach to Task Allocation and Routing of UAVs under Limited Communication"],"date_uploaded_dtsi":"2017-02-03T00:00:00Z","date_modified_dtsi":"2017-04-05T00:00:00Z","isPartOf_ssim":["admin_set/default"],"proxy_depositor_ssim":["dungavjk@mail.uc.edu"],"doi_tesim":["10.1142/S2301385014500010"],"college_tesim":["Engineering and Applied Science"],"department_tesim":["Aerospace Engineering and Engineering Mechanics"],"note_tesim":["This work was part of a pilot \"mediated-deposit model\" where library staff found potential works, later submitted for faculty review"],"creator_tesim":["Cohen, Kelly","Sabo, Chelsea","Kingston, Derek"],"language_tesim":["English"],"description_tesim":["Unmanned Air Vehicle (UAV) teams are anticipated to provide surveillance support through algorithms, software, and automation. It is desirable to have algorithms that compute effective and efficient routes for multiple UAVs across a variety of missions. These algorithms must be realizable, practical, and account for uncertainties. In surveillance missions, UAVs act as mobile wireless communication nodes in a larger, underlying network consisting of targets where information is to be collected and base stations where information is to be delivered. The role of UAVs in these networks has primarily been to maintain or improve connectivity while undervaluing routing efficiency. Moreover, many current routing strategies for UAVs ignore communication constraints even though neglecting communication can lead to suboptimal tour designs. Generating algorithms for autonomous vehicles that work effectively despite these communication restrictions is key for the future of UAV surveillance missions. A solution is offered here based on a variation of the traditional vehicle routing problem and a simple communication model. In this work, the new routing formulation is defined, analyzed, and a heuristic approach is motivated and described. Simulation results show that the heuristic algorithm gives near-optimal results in real-time, allowing it to be used for large problem sizes and extended to dynamic scenarios."],"license_tesim":["http://rightsstatements.org/vocab/InC/1.0/"],"date_created_tesim":["2014-01"],"thumbnail_path_ss":"/downloads/bc386s77x?file=thumbnail","suppressed_bsi":false,"actionable_workflow_roles_ssim":["admin_set/default-default-depositing"],"workflow_state_name_ssim":["deposited"],"member_ids_ssim":["bc386s77x"],"file_set_ids_ssim":["bc386s77x"],"visibility_ssi":"open","admin_set_tesim":["Default Admin Set"],"sort_title_ssi":"FORMULATION AND HEURISTIC APPROACH TO TASK ALLOCATION AND ROUTING OF UAVS UNDER LIMITED COMMUNICATION","human_readable_type_tesim":["Article"],"read_access_group_ssim":["public"],"read_access_person_ssim":["konecnmc@ucmail.uc.edu"],"edit_access_person_ssim":["cohenky@ucmail.uc.edu"],"nesting_collection__pathnames_ssim":["bc386s76n"],"nesting_collection__deepest_nested_depth_isi":1,"_version_":1697119035710242816,"timestamp":"2021-04-15T15:00:36.240Z","score":0.00049999997},{"system_create_dtsi":"2017-10-27T02:30:14Z","system_modified_dtsi":"2018-08-01T18:37:40Z","has_model_ssim":["Article"],"id":"bc386s72j","accessControl_ssim":["b45b0299-0dfb-445f-a569-0d2ba98b8c06"],"hasRelatedMediaFragment_ssim":["bc386s73t"],"hasRelatedImage_ssim":["bc386s73t"],"depositor_ssim":["cohenky@ucmail.uc.edu"],"depositor_tesim":["cohenky@ucmail.uc.edu"],"title_tesim":["A Hierarchical Market Solution to the Min–Max Multiple Depots Vehicle Routing Problem"],"date_uploaded_dtsi":"2017-02-03T00:00:00Z","date_modified_dtsi":"2017-04-05T00:00:00Z","isPartOf_ssim":["admin_set/default"],"proxy_depositor_ssim":["dungavjk@mail.uc.edu"],"doi_tesim":["10.1142/S230138501450006X"],"college_tesim":["Engineering and Applied Science"],"department_tesim":["Aerospace Engineering and Engineering Mechanics"],"note_tesim":["This work was part of a pilot \"mediated-deposit model\" where library staff found potential works, later submitted for faculty review"],"creator_tesim":["Sharma, Balaji R.","Cohen, Kelly","Ernest, Nicholas","Kumar, Manish","Kivelevitch, Elad"],"language_tesim":["English"],"description_tesim":["The problem of assigning a group of Unmanned Aerial Vehicles (UAVs) to perform spatially distributed tasks often requires that the tasks will be performed as quickly as possible. This problem can be defined as the Min–Max Multiple Depots Vehicle Routing Problem (MMMDVRP), which is a benchmark combinatorial optimization problem. In this problem, UAVs are assigned to service tasks so that each task is serviced once and the goal is to minimize the longest tour performed by any UAV in its motion from its initial location (depot) to the tasks and back to the depot. This problem arises in many time-critical applications, e.g. mobile targets assigned to UAVs in a military context, wildfire fighting, and disaster relief efforts in civilian applications. In this work, we formulate the problem using Mixed Integer Linear Programming (MILP) and Binary Programming and show the scalability limitation of these formulations. To improve scalability, we propose a hierarchical market-based solution (MBS). Simulation results demonstrate the ability of the MBS to solve large scale problems and obtain better costs compared with other known heuristic solution."],"license_tesim":["http://rightsstatements.org/vocab/InC/1.0/"],"date_created_tesim":["2014-01"],"thumbnail_path_ss":"/downloads/bc386s73t?file=thumbnail","suppressed_bsi":false,"actionable_workflow_roles_ssim":["admin_set/default-default-depositing"],"workflow_state_name_ssim":["deposited"],"member_ids_ssim":["bc386s73t"],"file_set_ids_ssim":["bc386s73t"],"visibility_ssi":"open","admin_set_tesim":["Default Admin Set"],"sort_title_ssi":"HIERARCHICAL MARKET SOLUTION TO THE MINMAX MULTIPLE DEPOTS VEHICLE ROUTING PROBLEM","human_readable_type_tesim":["Article"],"read_access_group_ssim":["public"],"read_access_person_ssim":["konecnmc@ucmail.uc.edu"],"edit_access_person_ssim":["cohenky@ucmail.uc.edu"],"nesting_collection__pathnames_ssim":["bc386s72j"],"nesting_collection__deepest_nested_depth_isi":1,"_version_":1697102992066478080,"timestamp":"2021-04-15T10:45:35.830Z","score":0.00049999997}],"facets":[{"name":"human_readable_type_sim","items":[{"value":"Image","hits":4797,"label":"Image"},{"value":"Dataset","hits":3723,"label":"Dataset"},{"value":"Etd","hits":994,"label":"Etd"},{"value":"Document","hits":979,"label":"Document"},{"value":"Article","hits":964,"label":"Article"},{"value":"Student Work","hits":756,"label":"Student Work"}],"label":"Human Readable Type Sim"},{"name":"creator_sim","items":[{"value":"Snider, Jerry A. 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