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Solving Continuous Network Design Problem With Generalized Geometric Programming Approach, Bo Du, David Wang
Solving Continuous Network Design Problem With Generalized Geometric Programming Approach, Bo Du, David Wang
SMART Infrastructure Facility - Papers
To satisfy growing travel demand and reduce traffic congestion, the continuous network design problem (CNDP) is often proposed to optimize road network performance by the expansion of road capacity. In the determination of the equilibrium travel flow pattern, equilibrium principles such as deterministic user equilibrium (DUE) and stochastic user equilibrium (SUE) may be applied to describe travelers' route choice behavior. Because of the different mathematical formulation structures for the CNDP with DUE and SUE principles, most of the existing solution algorithms have been developed to solve the CNDP for either DUE or SUE. In this study, a more general solution …
A Heuristic Combinatorial Optimisation Approach To Synthesising A Population For Agent-Based Modelling Purposes, Nam N. Huynh, Johan Barthelemy, Pascal Perez
A Heuristic Combinatorial Optimisation Approach To Synthesising A Population For Agent-Based Modelling Purposes, Nam N. Huynh, Johan Barthelemy, Pascal Perez
SMART Infrastructure Facility - Papers
This paper presents an algorithm that follows the sample-free approach to synthesise a population for agent based modelling purposes. This algorithm is among the very few in the literature that do not rely on a sample survey data to construct a synthetic population, and thus enjoy a potentially wider applications where such survey data is not available or inaccessible. Different to existing sample-free algorithms, the population synthesis presented in this paper applies the heuristics to part of the allocation of synthetic individuals into synthetic households. As a result the iterative process allocating individuals into households, which normally is the most …
A Methodical Approach For Fabrication Of Binder-Free Li2s-C Composite Cathode With High Loading Of Active Material For Li-S Battery, Mohammad Kaiser, Xin Liang, Hua-Kun Liu, S X. Dou, Jiazhao Wang
A Methodical Approach For Fabrication Of Binder-Free Li2s-C Composite Cathode With High Loading Of Active Material For Li-S Battery, Mohammad Kaiser, Xin Liang, Hua-Kun Liu, S X. Dou, Jiazhao Wang
Australian Institute for Innovative Materials - Papers
Lithium sulfide (Li2S), which has a theoretical capacity of 1166 mA h/g, is considered as a promising cathode material for the Li-S battery. The electrochemical performance of microsized Li2S is impaired, however, by its low electrical conductivity as well as first cycle high activation potential problem. In this work, microsized Li2S powder had been ball-milled with different carbon sources to synthesize Li2S-C composites as well as to find the suitable carbon sources, which were then capillary-deposited in three-dimensional multi-layered Ni foam from a dioxolane-containing mixture to fabricate a binder-free Li2S-C composite cathode. A large amount of active material (∼5 mg/cm2) …
A Distributed User-Centered Approach For Control In Ambient Robotic, Nicolas R. Verstaevel, Christine Regis, Marie-Pierre Gleizes, Fabrice Robert
A Distributed User-Centered Approach For Control In Ambient Robotic, Nicolas R. Verstaevel, Christine Regis, Marie-Pierre Gleizes, Fabrice Robert
SMART Infrastructure Facility - Papers
Designing a controller to supervise an ambient application is a complex task. Any change in the system composition or end-users needs involves re-performing the whole design process. Giving to each device the ability to self-adapt to both end-users and system dynamic is then an interesting challenge. This article contributes to this challenge by proposing an approach named Extreme Sensitive Robotic where the design is not guided by finality but by the functionalities provided. One functionality is then seen as an autonomous system, which can self-adapt to what it perceives from its environment (including human activity). We present ALEX, the first …