Page 26 - IJTSRD.com - Special Issue - 2nd International Congress of Engineering
P. 26
International Journal of Trend in Scientific Research and Development (IJTSRD) ISSN: 2456-6470
nd
Special Issue of 2 International Congress of Engineering
Importance Union of Peruvian Breweries Backus and
Johnston S.A.A. Project: Development of
Establishing a production schedule for a period of Mathematical Models for the Planning of Supply
weeks or months turns out to be a difficult and of Malta to Plants (Decision Support System -
important task in most production plants. The SSD).
operations manager must consider many factors:
labor, inventory and storage costs, space constraints, PHP SIMPLEX®
demand, etc. Generally, most plants produce more
than one good, making the previous task even more PHPSimplex® is an online tool for solving linear
complicated (Faulin, S / A). Corominas (2010) notes programming problems. Its use is free and free. To
that operations management gives tools to solve the access it simply click on the icon on the left, or on
planning problem raised. In particular, aggregate "PHPSimplex" in the top menu (PHPSimplex, 2017).
planning is a typical case of the research area. PHPSimplex® is able to solve problems using the
Aggregate planning is an instrument to forecast, in the Simplex method, the Two Phases method, and the
medium term, the activities of the area of operations. Graphical method, and has no limitations on the
It is clear that the results of aggregate planning have a number of decision variables or problem constraints
large impact on the planning and coordination of (PHPSimplex, 2017).
resources throughout the organization, there is a
tendency to include in the aggregate planning Winqsb®
decisions of other functional areas of the company,
such as personnel, accounting and finance , The initial version of the software Winqsb® called at
procurement or marketing. that time QSB, was created in 1985 by Yin-Long
Chang professor of the Georgia Institute of
Geovanah (2017) points out that the simplex process Technology (Henríquez and Hernández, 2010). Lugay
is a powerful, sophisticated approach to innovation. It (2014) points out that Winqsb® software, which is the
is suitable for projects and organizations of almost intellectual property of Dr. Yih-Long Chang, consists
any scale. This process is an eight-stage cycle. At the of a series of individual modules or applications that
end of the eight stages, you have to start again to find help in the investigation of operations, work study,
and solve another problem, thus helping to ensure planning and control of the production, project
continuous improvement. evaluation, quality systems, simulation, statistics, etc.,
and there are a total of 19 modules, one for each type
Success stories of problem.
IOSA Operations Research S.A. (2016) in its page General objective
presents different achievements that the companies
have had when implementing the simplex method. For Improve the production planning process by applying
example, the following examples stand out: the simplex method.
CHILEXPRESS. Project: Models of optimization Specific objectives
and simulation of Courier routes nationwide in
Chile. Understand the contextualization of the topic.
Agricultural Society DROKASA S.A Project: Know the existing models to evaluate the quality
Optimized planning of the asparagus harvest - of an industrial process.
master planning model for opening and closing
fields. Calculate the representative sample using 90%
reliability and 10% error.
Minera Yanacocha S.A. Newmont Gold Company
- Peruvian Branch. Project: Development of Apply the simplex method for the planning of an
Mathematical Models Oriented to Long-Term industrial process.
Planning.
@ IJTSRD | Available Online @ www.ijtsrd.com | Special Issue Publication | November 2017 P - 4