نتایج جستجو برای: vrp
تعداد نتایج: 778 فیلتر نتایج به سال:
In our previous research, we compared the actual route recorded by a GPS device “PhotoTrackr” and the optimal vehicle route derived by using ArcGIS Network Analyst tool. VRP is the fundamental problem in the research fields of transportation, we focus on variations of CVRPTW (Capacitated VRP with Time Windows). Various types of VRP are studied to determine the optimal route under various constr...
This paper proposes an abstraction of emerging vehicle routing problems, the Vehicle Routing Problem with Black Box Feasibility. In this problem the routes of a basic VRP need to satisfy an unknown set of constraints. A black box function to test the feasibility of a route is provided. This function is considered of non-linear complexity (in the length of the route). Practical examples of such ...
Using newer vaccine platforms which have been effective against malaria in rodent models, we tested five immunization regimens against Plasmodium knowlesi in rhesus monkeys. All vaccines included the same four P. knowlesi antigens: the pre-erythrocytic antigens CSP, SSP2, and erythrocytic antigens AMA1, MSP1. We used four vaccine platforms for prime or boost vaccinations: plasmids (DNA), alphav...
This paper deals with the Pollution-Routing Problem (PRP), a Vehicle Routing Problem (VRP) with environmental considerations, recently introduced in the literature by [Bektaş and Laporte (2011), Transport. Res. B-Meth. 45 (8), 1232-1250]. The objective is to minimize operational and environmental costs while respecting capacity constraints and service time windows. Costs are based on driver wag...
During winter, aerial surveys are used to estimate densities of ducks that occupy open-water habitats. However, such surveys are ineffective for sampling forest-dwelling species, especially Aix sponsa (Wood Ducks), Anas platyrhynchos (Mallards), and Lophodytes cucullatus (Hooded Mergansers). We evaluated fi xed-radius plot (FRP) and Reynolds and Goodrum variable-radius plot (VRP) methods for es...
TIMOTHY P. MORAN: Characterization of Dendritic Cells Transduced with Venezuelan Equine Encephalitis Virus Replicon Particles as Therapeutic Cancer Vaccines (Under the direction of Jonathan S. Serody and Robert E. Johnston) Cancer vaccines seek to harness the specificity of T and B lymphocytes for reduction of tumor burden, as well as prevention of recurrent disease by establishing immunologica...
Vaccination represents the most effective control measure in the fight against infectious diseases. Local mucosal immune responses are critical for protection from, and resolution of, infection by numerous mucosal pathogens. Antigen processing across mucosal surfaces is the natural route by which mucosal immunity is generated, as peripheral antigen delivery typically fails to induce mucosal imm...
In this paper, we present the vehicle routing problem (VRP) with occasional drivers (OD) and order bundles (OB). The VRP-OD-OB is an extension of VRP-OD, where instead assigning one customer per driver, are assigned customers. To deal bundle-to-driver assignment, a bidding system exploited, in which company offers set raise their bids. These bids depend on features such as drivers’ destination,...
The blossoming of electric vehicles gives rise to a new vehicle routing problem (VRP) called capacitated VRP. Since charging is not as convenient refueling, both the service customers and recharging should be considered. In this article, we propose confidence-based bilevel ant colony optimization (ACO) algorithm solve problem. It divides whole into upper level subproblem VRP lower fixed For sub...
Vehicle-routing problems (VRP) have been studied in depth. While traditional VRPs have been thoroughly studied, limited research has to date been devoted to multiobjective, real-time management of vehicles. In this paper a real-time multi-objective VRP is presented and mathematically formulated. Using four case studies, based on two real-world transportation networks (urban and interurban); the...
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