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"Drone delivery logistics model for on-demand hyperlocal market" by Murugaiyan Pachayappan and Balan Sundarakani

Hyperlocal delivery service is a digital platform business that receives on-demand orders from customers to deliver products from a local offline shop in logistics. Deploying drones/Unmanned Aerial Vehicles (UAVs) on the hyperlocal market is still a relatively unexplored phenomenon and that demands attention on sustainable drone delivery strategies. This paper introduces both non-flexible and flexible drone delivery strategies for the hyperlocal market. Further, drone operational complexities like deciding a precise location for landing and take-off in congested cities, limited flight endurance, incorporating docking stations in drone routes and drone safe-return strategy are investigated. This problem is formulated as the Mixed-Integer Linear Programming (MILP) model, which minimises the drone's total distance by the optimal energy consumption to complete the scheduled services. For practical feasibility, this paper focuses on heuristic solutions that effectively solve the proble ....

Unmanned Aerial Vehicles , Mixed Integer Linear Programming , Drone Delivery , Yperlocal Market , On Demand Logistics , Platform Service , Routing Problem ,

"A Mixed Integer Linear Programming Model for Train Service Improvement" by Kevin Malysiak, Fenghui Ren et al.

An optimal train schedule enables the railway system to serve maximal passengers with limited resources. However, inappropriate train services may cause a diversity of adverse impacts such as service delay and long waiting times. This study aims to improve train service with a new schedule compared to the existing train schedule. To develop an alternative train service with a schedule solution, a mixed integer linear programming model is developed. A comparison between the existing train service and an alternative service is conducted based on a subset railway network in New South Wales, Australia. Numerical results proved that the alternative train service outperforms the existing one with regard to delay time and train capacity. ....

New South Wales , Mixed Integer Linear Programming , Rain Scheduling ,

"Robust Optimal Microgrid Management using a Virtual Battery System for" by Harun Or Rashid Howlader, Hasan Masrur et al.

A virtual battery (VB) model is proposed in this paper to facilitate in the management of a smart microgrid. A cluster of controllable load and generations (CLGs) is referred to as VB, and it operates similarly as the battery storage that reduces the size of the energy storage device (ESS). Aggregators use the VB to distribute power among CLGs when the grid has excess or shortage capacity. The management of a microgrid with renewable energy instability and VB is a difficult problem; as a result, this proposed study introduces adaptive robust optimization (ARO) for unit commitment (UC) problems in microgrids that takes VB into account. Three separate UC cases are depicted in the proposed scheme. Case 1 treats only optimization and deterministic UC problem for the day ahead forecasted load; Case 2 discloses the UC with treating robust optimization, which considers forested reference day ahead load utilizing robust constraints. Case 3 emphasizes real-time load considering the worst uncert ....

Mixed Integer Linear Programming , Robust Unit Commitment , Smart Microgrid , Variable Renewable , Virtual Battery ,

Research on Energy Described by Researchers at Free University of Bozen (Unit commitment optimization of a micro-grid with a MILP algorithm: Role of the emissions, bio-fuels and power generation technology)

2021 DEC 13 (NewsRx) By a News Reporter-Staff News Editor at Climate Change Daily News New research on energy is the subject of a new report. According to news reporting from Free University of Bozen by NewsRx journalists, research stated, “Management strategies of complex energy systems composed by different technologies is mandatory to exploit optimally the ....

Trentino Alto Adige , South Tyrol , Jacopoc Alberizzi , Carlo Caligiuri , Piazza Universita , Francescof Nicolosi , Free University Of Bozen , Reporter Staff News Editor , Mixed Integer Linear Programming , Internal Combustion Generators , Micro Gas Turbine , Energy Reports ,