Mathematical Problems in Engineering
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Enhancing the Stability and Safety of Vehicle When Steering by Using the Active Stabilizer Bar
Mathematical Problems in Engineering - Tập 2022 - Trang 1-10 - 2022
Centrifugal force is what causes the vehicle to roll over. This force is
generated when the vehicle suddenly changes direction when moving at high speed.
The solution of using a stabilizer bar is suggested to minimize this phenomenon.
There are currently three types of stabilizer bars in use: mechanical stabilizer
bars, hydraulic stabilizer bars, and electronic stabilizer bars. The content of
this...
c‐Bottlenecks in serial production lines: Identification andapplication
Mathematical Problems in Engineering - Tập 7 Số 6 - Trang 543-578 - 2001
The bottleneck of a production line is a machine that impedes the system
performance in the strongest manner. In production lines with the so‐called
Markovian model of machine reliability, bottlenecks with respect to the
downtime, uptime, and the cycle time of the machines can be introduced. The two
former have been addressed in recent publications [1] and [2]. The latter is
investigated in this p...
Review on Methods to Fix Number of Hidden Neurons in Neural Networks
Mathematical Problems in Engineering - Tập 2013 - Trang 1-11 - 2013
This paper reviews methods to fix a number of hidden neurons in neural networks
for the past 20 years. And it also proposes a new method to fix the hidden
neurons in Elman networks for wind speed prediction in renewable energy systems.
The random selection of a number of hidden neurons might cause either
overfitting or underfitting problems. This paper proposes the solution of these
problems. To f...
Functional Data Approach for Short-Term Electricity Demand Forecasting
Mathematical Problems in Engineering - Tập 2022 - Trang 1-14 - 2022
In today’s liberalized electricity markets, modeling and forecasting electricity
demand data are highly important for the effective management of the power
system. However, electricity demand forecasting is a challenging task due to the
specific features it exhibits. These features include the presence of extreme
values, spikes or jumps, multiple periodicities, long trend, and bank holiday
effect....
Nonlinear Modeling of Cables with Flexural Stiffness
Mathematical Problems in Engineering - Tập 2008 Số 1 - 2008
A geometrically exact formulation of cables suffering axis stretching and
flexural curvature is presented. The dynamical formulation is based on
nonlinearly viscoelastic constitutive laws for the tension and bending moment
with the additional constitutive nonlinearity accounting for the no‐compression
condition. A continuation method, combined with a mixed finite‐difference
spatial discretization,...
Recent Research Trends in Genetic Algorithm Based Flexible Job Shop Scheduling Problems
Mathematical Problems in Engineering - Tập 2018 - Trang 1-32 - 2018
Flexible Job Shop Scheduling Problem (FJSSP) is an extension of the classical
Job Shop Scheduling Problem (JSSP). The FJSSP is known to be NP-hard problem
with regard to optimization and it is very difficult to find reasonably accurate
solutions of the problem instances in a rational time. Extensive research has
been carried out in this area especially over the span of the last 20 years in
which t...
A Novel Memetic Algorithm Based on Decomposition for Multiobjective Flexible Job Shop Scheduling Problem
Mathematical Problems in Engineering - Tập 2017 Số 1 - 2017
A novel multiobjective memetic algorithm based on decomposition (MOMAD) is
proposed to solve multiobjective flexible job shop scheduling problem (MOFJSP),
which simultaneously minimizes makespan, total workload, and critical workload.
Firstly, a population is initialized by employing an integration of different
machine assignment and operation sequencing strategies. Secondly, multiobjective
memeti...
Model and Algorithm for Container Allocation Problem with Random Freight Demands in Synchromodal Transportation
Mathematical Problems in Engineering - Tập 2015 - Trang 1-13 - 2015
This paper aims to investigate container allocation problem with random freight
demands in synchromodal transportation network from container carriers’
perspective. Firstly, the problem is formulated as a stochastic integer
programming model where the overall objective is to determine a container
capacity allocation plan at operational level, so that the expected total
transportation profit is max...
Quantifying Poverty Temporal Changes in Association with Rural Transition in Guangxi, China
Mathematical Problems in Engineering - Tập 2016 - Trang 1-11 - 2016
Poverty is a social problem in developing countries, especially for the rural
places experiencing rapid transition. This study characterizes the temporal
changes of rural poverty under rural transition during 1991–2010 in Guangxi. In
particular, poverty is measured by the Foster-Greer-Thorbecke method, and rural
transition is described from three aspects including rural industrialization,
regional...
DEMATEL Technique: A Systematic Review of the State-of-the-Art Literature on Methodologies and Applications
Mathematical Problems in Engineering - Tập 2018 - Trang 1-33 - 2018
Decision making trial and evaluation laboratory (DEMATEL) is considered as an
effective method for the identification of cause-effect chain components of a
complex system. It deals with evaluating interdependent relationships among
factors and finding the critical ones through a visual structural model. Over
the recent decade, a large number of studies have been done on the application
of DEMATEL ...
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