Results 61 to 70 of about 118,332 (182)

Optimizing Multi-Terminal Customized Bus Service With Mixed Fleet

open access: yesIEEE Access, 2020
The customized bus (CB) transit is recognized as an effective transportation mode offering more flexible and demand-responsive service than traditional bus transit with fixed route and schedule, especially during the peak hours. The novelty of this study
Qian Sun   +4 more
doaj   +1 more source

A REVIEW OF GRADIENT ALGORITHMS FOR NUMERICAL COMPUTATION OF OPTIMAL TRAJECTORIES DOI 10.5028/jatm.2012.04020512

open access: yesJournal of Aerospace Technology and Management, 2012
In this paper, two classic direct methods for numerical computation of optimal trajectories were revisited: the steepest descent method and the direct one based upon the second variation theory.
Wander Almodovar Golfetto   +1 more
doaj  

Optimal Navigation Functions for Nonlinear Stochastic Systems

open access: yes, 2014
This paper presents a new methodology to craft navigation functions for nonlinear systems with stochastic uncertainty. The method relies on the transformation of the Hamilton-Jacobi-Bellman (HJB) equation into a linear partial differential equation. This
Burdick, Joel W., Horowitz, Matanya B.
core   +1 more source

Improving aerodynamic performance of intermodal trains through optimisation of loading plans

open access: yesArchives of Transport
This paper addresses the improvement of energy efficiency in intermodal freight trains by reducing aerodynamic drag through optimisation of container arrangement on railcars.
Karol Nehring, Łukasz Kiszkowiak
doaj   +1 more source

Dynamic approach to solve the daily drayage problem with travel time uncertainty [PDF]

open access: yes, 2012
The intermodal transport chain can become more e cient by means of a good organization of drayage movements. Drayage in intermodal container terminals involves the pick up and delivery of containers at customer locations, and the main objective is ...
Arango Pastrana, Carlos Alberto   +3 more
core  

A Hybrid OFDM-TDM Architecture with Decentralized Dynamic Bandwidth Allocation for PONs

open access: yesThe Scientific World Journal, 2013
One of the major challenges of passive optical networks is to achieve a fair arbitration mechanism that will prevent possible collisions from occurring at the upstream channel when multiple users attempt to access the common fiber at the same time ...
Taner Cevik
doaj   +1 more source

Improvement of Network Reliability by Hybridization of the Penalty Technique Based on Metaheuristic Algorithms

open access: yesIraqi Journal for Computer Science and Mathematics
 In this study, a network created by converting the Petri net into a network for shutdown system, by calculating a network’s nonlinear reliability polynomial by splitting the network into two, each having a source node and an terminal node.
Roaa fadhil, Zahir Hassan
doaj   +1 more source

Interactive Schemes for the AWGN Channel with Noisy Feedback

open access: yes, 2017
We study the problem of communication over an additive white Gaussian noise (AWGN) channel with an AWGN feedback channel. When the feedback channel is noiseless, the classic Schalkwijk-Kailath (S-K) scheme is known to achieve capacity in a simple ...
Ben-Yishai, Assaf, Shayevitz, Ofer
core   +1 more source

Monte Carlo‐based service migration under multiple constraints in mobile edge computing

open access: yesIET Communications
Mobile edge computing as an emerging technique can provide services for mobile terminals, and meanwhile the mobility of users brings new challenges. When a user moves across different areas, the system needs to determine whether to migrate service so as ...
Qiang Zhang, Hao Yu
doaj   +1 more source

The right to collect stipulated penalty agreed in case of non-performance, after the contract had been terminated for non-performance [PDF]

open access: yesPravni zapisi, 2016
The author begins the article by presenting diverse court practices in the Republic of Serbia with regard to the right to collect stipulated penalty agreed in case of non-performance, after the contract had been terminated for non-performance. At the same time, the author concludes that these different practices, exercised not only by different courts,
openaire   +2 more sources

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