Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 39 for “"Package Delivery"”.
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Exploring fast package delivery from a systems perspective
Fast Package Delivery refers to the transportation of freight over transoceanic distances in a period of hours, and provides opportunity for synergistic development with reusable launch vehicle and supersonic transportation technologies. However, a systems analysis of Fast Package Delivery has …
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Privacy Risk Mitigation Strategies for Drone Package Delivery
… partners with multiple businesses to offer drone delivery as a service. Due to regulations requiring drones to broadcast position information, this business model results in a privacy risk: Third-party observers may use broadcast drone trajectories to link customers to the vendors from which they …
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Conceptual design of a global fast package delivery system
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1998.
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Development of a global fast package delivery system (from idea to concept)
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1998.
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Improving Aerial Package Delivery Through Simulation of Hazard Detection, Mapping, and Regulatory Compliance
… it will not be suitable. Using simulations of package delivery may be able to reduce the limitations of drones and increase safety in the air and on the ground. The goals of this thesis are to describe computer-generated animation, image processing, flight control, and airspace monitoring. …
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Vehicle concept exploration and avionics architecture design for a fast package delivery system
Fast Package Delivery was explored as a possible commercial application of advanced reusable launch vehicle technologies. The market was divided into two distinct segments: an on-demand charter service for urgent deliveries, and a scheduled service similar to today's overnight delivery services. …
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Evaluation of Package Delivery Truck Drivers: Task Analysis and Development/Validation of an Objective Visual Behavior Measure to Assess Performance
The job of a package delivery driver (PDD) is complex and demanding. These drivers must possess many skills in order to succeed in their work, including physical stamina, appropriate decision-making, positive customer interaction, and most importantly, operational safety. Companies must use …
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Implications of Advanced Technologies on Rural Delivery
… integrates the strengths of individual emergent delivery technologies with package characteristics, and rural community needs to meet the demand for equitable, accessible, and inclusive rural delivery that is also cost-effective. To find ways to meet the package delivery service needs in rural …
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Towards Practical Fixed-Wing Aircraft with Electroaerodynamic Propulsion
… from low noise: surveillance and last-mile package delivery. Nominal mission requirements are developed. Three aircraft design case studies are presented: an uncrewed aircraft powered by unducted EAD thrusters for a surveillance mission, a family of uncrewed aircraft powered by multistaged …
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Optimization models and algorithms for large-scale, capacity constrained pick-up and delivery problems with time windows
Major package delivery companies employ hundreds of thousands of people, generate billions of dollars in revenues and operate very large fleets of ground vehicles ranging from custom- built package cars to large tractors and trailers. A crucial point for the profitability of these companies is, for …
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Various Approaches to the Stochastic K-Server and Stacker-Crane Problems
… public, such as ride-sharing services and drone package delivery. Efficient coordination of pickups and deliveries is essential in order to keep costs and wait times down. In this thesis we present these types of problems in a more general framework, expanding applicability of our discussion to …
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An experimental study on the performance of existing and custom quiet propeller designs for unmanned aircraft systems
… estate photography, videos of car chases, or package delivery. Package delivery provides unique challenges as the vehicle must be capable of carrying and delivering a payload in an (often) urban environment near non-participating bystanders. These larger UAS can produce significant acoustic …
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RF Fingerprinting Unmanned Aerial Vehicles
… From aerial surveillance to search-and-rescue to package delivery the use cases of UAVs are accelerating. This accelerating popularity gives rise to numerous attack possibilities for example impersonation attacks in drone-based delivery, in a UAV swarm, etc. In order to ensure drone security, in …
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Enabling Autonomy in Commercial Aviation: An Ontology and Framework for Automating Unmanned Aircraft Systems (UAS)
… novel business cases such as urban air mobility, package delivery, and more. However, these increasingly autonomous systems come with increasingly numerous and complex inputs that software must handle. This limitless set of inputs must ensure that autonomous system decisions will translate to …
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Energy-saving Trajectory And Control Design For Quadrotors With Slung Payloads
… which can change the future of the package delivery industry. However, many challenges block the way of implementing payload transportation in reality. Slung payload vibrations and quadrotor's energy consumption are among the major challenges, which are related to each other because …
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Strategic Planning and Deployment of Aerial Assets
… small, uncrewed aircraft (drones) for tasks like package delivery or search-and-rescue in the immediate aftermath of a natural disaster are some of the most vital and common applications of advanced air mobility. Recognizing that successful drone missions depend on pre-established, well-positioned …
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Integrated transportation system design optimization
… transportation system example of an overnight package delivery network quantifies at least a ten percent improvement in cost over traditional optimization approaches. The formulation for a space transportation system first requires the definition of a space network which is constructed by …
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Methods for extension of ground shipment windows through a supplier collaboration initiative
… is a leading retailer and UPS is the leading package delivery company in the world. Amazon spends hundreds of millions of dollars each year shipping products to customers via parcel carriers such as UPS. Arguably, both companies rely on each other for their future success and are therefore …
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Control and estimation strategies for autonomous MAV landing on a moving platform in turbulent wind conditions
… MAVs are promising in the field of drone delivery due to their scalability, deployability, and low cost compared to traditional ground delivery. Hybrid systems, which combine MAVs taking off and landing from/to trucks and the ground vehicles themselves to increase package delivery …
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Demonstrating an Equivalent Level of Safety for sUAS in Shielded Environments
… unmanned aircraft operations, such as local package delivery and utility inspection. One of the main safety metrics for UASs to adhere to is a ``well clear" volume that quantifies the vertical and horizontal separation UASs are required to maintain from manned aircraft. The current volume of …
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