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CT60A9600 [Lahti] Spring 2024
Renewable Energy Plant System (REPS)
General Overview
A Renewable Energy Plant (REP) is a multigeneration energy system plant that manages the
production of renewable energy for cities, industries and so on.
Renewable energy sources are usually accessible at any location in the world, depending on
the type. Also, using renewable energy resources has several advantages and benefits
compared to conventional energy sources.
The REP is equipped with software that controls everything in the plant, e.g., from energy
production to site surveillance. In order to do that, it collects information from sensors and
cameras. Sensors collect, elaborate, and send to a server control room data about the health
of the production system, such as the production of energy/hour, while cameras register and
send videos to the Server staff room of what is happening in the plant, such as the circulation
of people and transportation means (for surveillance activity) or the exchange of stuff by truck
loading.
Not necessarily everything has to be sent to the server and remotely processed. A local
subsystem (e.g. embedded processing in cameras) can be considered, for example, as based
on a framework for embedded image processing.
The REP software is also aimed at improving energy production by, for example, moving the
solar panels to accurately follow the sun, or moving the wind turbines to follow the wind
direction. Also, REP can suggest changing production stuff for any reason, e.g., due to less
energy production for ageing.
CT60A9600 [Lahti] Spring 2024
Implementation Goals
Your group has been hired by a renewable energy company to design and build a renewable
energy plant system. The goal of the project is to create a functional and efficient power plant
that harnesses renewable energy sources to generate electricity for local communities. The
power plant must be reliable, sustainable, and cost-effective. You are required to implement
the following use cases:
1. The system should be designed to monitor and control the power plant's renewable
energy sources, including solar panels, wind turbines, and hydropower.
2. The system should be capable of collecting data related to the energy generated by
renewable sources and storing it in a file.
3. The system should provide a view of the power plant's energy generation and storage
capacity, allowing operators to adjust the power plant's operation as needed. This
view should show the data stored in the file.
4. The system should be able to analyse the data collected from renewable sources. It
should be possible to filter the data on an hourly, daily, weekly and monthly basis. It
should be possible to sort the data where possible. It must allow a user to search for
required data stored in the system.
Data Analysis should include:
• Mean: the average, which is found by adding up all the values in a set of data
and dividing it by the total number of values you added together.
• Median: the middle number in the set of values. You find it by putting the
numbers in order from the smallest to largest and covering up one number on
each end until you get to the middle.
• Mode: the number or value most often in the set. To find the mode, you need
to count how many times each value appears.
• Range: the difference between the lowest and the highest value. To work it
out, simply subtract the lowest value from the highest.
• Midrange: the number that is exactly halfway between the minimum and
maximum numbers in a set of data. To work out the midrange, you must find
the sum of both the smallest and largest, and divide it by 2.
5. The system should be able to detect and handle issues with renewable energy sources,
such as low energy output, and equipment malfunction, generating alerts for the
operators accordingly.
Note:
Make sure to follow the Scala style guide and use appropriate naming conventions for
variables, functions, and classes. Your code should be well-organized, welldocumented, and easy to read. All the functionality and code structure must follow
the Functional Programming paradigm where:
• Data immutability is ensured.
• Iterative works are done with the help of recursion.
• Higher-order functions are used to accomplish tasks.
CT60A9600 [Lahti] Spring 2024
• Error handling in a functional way. Do this as much as you can. We don’t expect
perfectionism at this point.
• Demonstrate the other learned concepts as much as you can, e.g., type
parameterization, currying, etc.
Implement the file I/O in a non-functional way in Scala – the usual way of imperative
languages. Better to do I/O either with .xls or .csv files; it is relatively easier.

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