Development and Evaluation of an Intelligent Control System for
Sustainable and Efficient Energy Management
BIBARS AMANGELDY *, NURDAULET TASMURZAYEV, YEDIL NURAKHOV,
SHONA SHINASSYLOV, SAMSON DAWIT BEKELE
Joldasbekov Institute of Mechanics and Engineering,
Building 2, Shevchenko Street, Medeusky District, Almaty,
KAZAKHSTAN
*Corresponding Author
Abstract: - This paper presents a comprehensive study on the integration of Intelligent Control Systems in the
global industrial sector, focusing on enhancing energy management through the synergy of Supervisory Control
and Data Acquisition (SCADA), Machine Learning (ML), and Digital Twin technologies. We elaborate on a
novel ICS architecture designed to optimize energy consumption, reduce operational costs, and minimize
environmental impacts. Our system leverages SCADA for real-time monitoring and control, ML algorithms for
predictive analytics and optimization, and Digital Twin technology for advanced simulation and operational
efficiency. The implementation of the system in a mid-scale industrial facility demonstrated significant
improvements: a 15% reduction in energy consumption, an 18% decrease in peak energy demand, a 30%
reduction in CO2 emissions, and a 15% reduction in operational downtime, with predictive accuracy standing
at 90%. These results underline the potential of integrating advanced digital technologies in industrial energy
management, offering a scalable model for sustainable and efficient industrial practices. Future work will
explore broader applications and the incorporation of emerging technologies to further enhance the system's
capabilities and applicability in diverse industrial settings.
Key-Words: - Intelligent Control System, Machine Learning, Digital Twin, SCADA, Energy Efficiency,
Operational Efficiency, Real-Time Control.
Received: March 18, 2023. Revised: October 21, 2023. Accepted: December 2, 2023. Published: December 31, 2023.
1 Introduction
The global industrial sector is at the cusp of a
technological revolution, driven by the integration
of Intelligent Control Systems (ICS) for energy
management. The primary objective is to harness
modern technologies to optimize energy
consumption, reduce operational costs, and
minimize environmental impact. Among the
technologies spearheading this transformation are
Supervisory Control and Data Acquisition
(SCADA), Machine Learning, and Digital Twin.
SCADA: SCADA systems are instrumental in
the real-time monitoring and control of industrial
processes. They have evolved with technological
advancements to collaborate with microprocessors
wirelessly, collecting measurements from distant
locations, thereby augmenting the efficiency and
sustainability of energy management systems, [1],
[2]. For instance, a novel energy management
architecture model based on a comprehensive
SCADA system has been implemented in an
educational building, showcasing the potential of
SCADA in modern energy management systems,
[3].
Machine Learning (ML): ML algorithms are
pivotal in scrutinizing the extensive data generated
by industrial processes to forecast future energy
demands, pinpoint potential issues, and optimize
energy consumption, [4]. The application of ML in
energy management extends to creating models for
predicting energy consumption and proposing
architectures for intelligent energy management
systems, especially in the public sector, [5].
Moreover, the integration of ML with renewable
energy sources and smart grids fosters a sustainable
solution to energy demand management challenges,
[6].
Digital Twin: Digital Twin technology has
emerged as a significant catalyst for realizing step-
improvements in energy management and
optimization. It facilitates the creation of a virtual
representation of the physical system, enabling real-
time monitoring, superior servicing and
maintenance, energy-efficient design evolution, and
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Bibars Amangeldy, Nurdaulet Tasmurzayev,
Yedil Nurakhov, Shona Shinassylov, Samson Dawit Bekele
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integration with locally and regionally generated
renewable energy, [7], [8], [9]. For instance, the
digital twin technology in the energy industry
allows for the development and sustenance of
intelligent networks enriched with high-tech sensors
and machine learning models, thereby enhancing
performance monitoring, [10].
The fusion of SCADA, ML, and Digital Twin
technologies fabricates a robust framework for an
ICS directed towards sustainable and efficient
energy management. This paper elucidates the
architecture and evaluation of such a system,
underscoring its effectiveness in ameliorating
energy efficiency and sustainability in real-world
scenarios.
The ensuing sections will delve into the elaborate
architecture of the proposed system and present the
results emanating from its implementation,
showcasing the potential of these integrated
technologies in revolutionizing energy management
practices within the industrial sector.
2 Architecture of the System
The architecture of the proposed intelligent control
system is designed to facilitate sustainable and
efficient energy management by integrating
SCADA, ML, and Digital Twin technologies. The
detailed architecture of the system can be seen in
Figure A1 in Appendix. For a detailed view of the
communication and control architecture, which
highlights the synergy between various
communication protocols, machine learning models,
and external platform integrations, refer to Figure
A2 in Appendix. The intricacies of the system’s
architecture are elaborated in the following
subsections, with specific components and their
functions referenced according to their depiction in
Figure A1 in Appendix.
2.1 Physical Layout
At the system’s physical core, there are:
Environmental Sensors: Instruments like
absolute pressure (18), temperature (20), and
humidity sensors (21) form the primary line of
defense. By constantly monitoring ambient
conditions, these sensors ensure that operations are
kept within specified parameters. Their integration
guarantees a stable environment and prevents
potential hazards that could arise from system
anomalies.
Gas Concentration Sensors (39): These
sensors, focused on gases like CH4, CO2, and
PM2.5, act as watchdogs in environments
susceptible to gas leaks or harmful emissions.
These sensors are fundamental for monitoring
and ensuring environmental safety within
operational parameters, echoing recent trends in
employing sensor technologies for real-time
monitoring in energy systems .
Mechanical Components (6): Essential
machinery such as compressors, heaters, and
electromagnetic valves are integrated to uphold the
system's operational integrity. These components
are central to maintaining appropriate fluid or gas
flow rates and ensuring that the system responds
effectively to the inputs from the sensors. Figure 1 is
the installation view.
Fig. 1: Installation
2.2 Control Panel
The control panel serves as the user's gateway to the
system:
PLC Interface: Serving as the bridge between
the physical and digital realms, the PLC facilitates
both data acquisition and transmission.
Digital Interface: It offers an intuitive interface,
displaying real-time metrics and system insights.
Users can either manually tune system settings or
oversee automatic operations, making it adaptable to
both hands-on and hands-off approaches. The
design of the control box can be seen in Figure 2.
Actuation Units: These units, which manage the
valves, compressors, and similar machinery, provide
the system with its responsive nature. They ensure
that the mechanical components are orchestrated
harmoniously, in line with sensor inputs.
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Bibars Amangeldy, Nurdaulet Tasmurzayev,
Yedil Nurakhov, Shona Shinassylov, Samson Dawit Bekele
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Fig. 2: Design of the control box
2.3 Communication Backbone
The seamless communication between physical
systems and their digital twins is crucial for
ensuring real-time measurements and data accuracy,
[11]. By leveraging multiple protocols, the system
ensures that data flows without hindrance:
OPC UA (31): In our system, OPC UA is
employed for its high security and reliability,
especially in facilitating the real-time transfer of
operational data from sensors to our central
processing unit. This is crucial for our system's
ability to make timely adjustments in response to
environmental changes.
Modbus TCP (32): As a universal protocol,
Modbus TCP is used for its versatility in connecting
various electronic units within the system. It plays a
key role in ensuring the smooth exchange of
operational data between different components like
sensors, actuators, and the control panel.
RS-485 (15): With its robust design, RS-485 is
utilized in our expansive plant layout, offering
reliable point-to-point and multipoint
communication over long distances. This is essential
for maintaining a robust data communication
network throughout our facility.
Wi-Fi TCP/IP & Controller (26): Wi-Fi
TCP/IP enables remote monitoring and management
of the system, allowing for off-site control and
observation. The controller, developed in C++,
enhances this by efficiently processing data and
sending commands back to the system, facilitating
real-time decision-making and system adjustments.
The control and data acquisition module can be
seen in Figure 3.
Fig. 3: Control and data acquisition module
2.4 Data Processing & Predictive Analytics
(33-36)
Machine Learning Integration: Utilizing
XGBoost and Random Forest algorithms, the
system can predict potential system failures,
optimize operations, or suggest maintenance
schedules. They also optimize energy consumption
by analyzing patterns and suggesting adjustments to
reduce waste.
Forecasting: Predictive analytics also play a
pivotal role in forecasting future conditions,
allowing the system to adapt proactively to
changing energy demands and environmental
conditions.
Decision-Making Engine: Based on the
incoming data and predictions, the decision-making
engine either automates critical adjustments or
provides operators with data-driven
recommendations. This integration not only
enhances operational efficiency but also
significantly contributes to our overarching
objective of developing a more sustainable, energy-
efficient industrial environment.
The integration of IoT, AI, and ML facilitates
predictive analytics and intelligent decision-making,
optimizing operations and suggesting maintenance
schedules, [12].
2.5 Integration with Other Platforms
Digital Assistants: Voice-driven platforms like
Google Home, Telegram Bot, Apple Home, and
Yandex Alice are integrated to offer users an
alternative interaction method.
SCADA Integration: For expansive industrial
operations, the bird's eye perspective provided by
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SCADA is invaluable. It aids in holistic process
monitoring and promotes safety, [13]
Web and Database Systems: Web interaction,
powered by a Node.js server with a Python Flask
API, lets users remotely access system insights or
modify parameters. Meanwhile, the SQL database
integration ensures data longevity, paving the way
for long-term analytics and report generation.
Digital Twin Integration: The integration of
digital twin technology serves as a cornerstone for
achieving a seamless interaction between our system
and external platforms. Digital twins provide a
dynamic, real-time representation of the system,
aiding in both monitoring and control. The
utilization of smart digital twins supports decision-
making on the development of intelligent integrated
energy systems and subsequent management,
emphasizing the importance of automation,
informatization, and digitalization as prerequisites
for the intellectualization of energy systems, [14].
This integration facilitates a more comprehensive
understanding and control over the system,
enhancing our ability to interact with other
platforms such as SCADA, ML algorithms, and
external digital assistants.
3 Results
The ICS was implemented in a mid-scale
industrial facility. The conceptual design of the
control box, as illustrated in Figure 2, is realized
and depicted in Figure 4, showcasing the actual
setup of the control box in use. The results were
evaluated based on three major criteria: energy
efficiency, sustainability, and operational
efficiency. Various metrics were tracked to
gauge the system's performance, including
energy consumption, emission reductions,
system responsiveness, and predictive accuracy.
The data collected was analyzed both
quantitatively and qualitatively to validate the
system's efficacy in achieving the stated
objectives.
3.1 Energy efficiency
The implementation of the ICS led to a
significant reduction in energy consumption.
The comparative analysis showed a 15%
reduction in energy usage over the evaluation
period compared to the baseline data collected
before the implementation. This reduction was
primarily attributed to the system's ability to
optimize operations through real-time
monitoring and predictive analytics.
Peak demand periods were efficiently
managed with an 18% reduction in peak energy
demand. This was achieved through the
intelligent scheduling and load-shifting
capabilities of the ICS, thereby reducing the
strain on the local grid and lowering energy
costs.
Fig. 4: Setup of the Control Box
3.2 Sustainability and Operational Efficiency
The ICS contributed to a notable reduction in
greenhouse gas emissions by optimizing energy
consumption and integrating renewable energy
sources. The system facilitated a 30% reduction
in CO2 emissions, aligning with the facility's
sustainability goals.
ML algorithms successfully identified
potential system anomalies allowing for timely
maintenance, which in turn reduced downtime
by 15%. The predictive accuracy of the system
was found to be 90%, significantly enhancing
the operational efficiency of the facility.
Moreover, the system's responsiveness to
changing conditions improved dramatically
with a 20% reduction in the response time to
anomalies or changing operational conditions.
This was attributed to the real-time monitoring
and control facilitated by the SCADA and
Digital Twin technologies. The SCADA system
is depicted in Figure A3 in Appendix.
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The integration of digital assistants, such as
telegram bots and Google Home, and intuitive
control panels simplified user interaction,
making system management more user-friendly.
The feedback from the operators indicated a
higher level of satisfaction due to the ease of
operation and the timely insights provided by
the system.
In our system, XGBoost and Random Forest
algorithms are central for predictive analytics,
directly aligning to enhance energy efficiency
and operational sustainability. XGBoost's
gradient boosting is crucial for efficiently
processing large datasets to predict system
failures or maintenance needs, thus contributing
to reduced downtime and improved operational
efficiency. The Random Forest algorithm
complements this by effectively handling
classification and regression tasks, crucial for
predicting energy usage patterns and optimizing
energy consumption. Additionally, the LSTM
network is integrated for its proficiency in
processing time-series data, crucial for
forecasting future energy trends. This capability
is vital for aligning energy supply with
operational demands, thus bolstering our
system's efficiency and sustainability.
4 Discussion
Our study's results reveal a significant leap in
energy management within industrial settings,
underscored by substantial gains in energy
efficiency, sustainability, and operational
performance. The integration of SCADA, ML,
and Digital Twin technologies, particularly the
effective use of XGBoost, Random Forest, and
LSTM algorithms, was key to achieving these
outcomes. This system not only reduced energy
consumption and emissions but also enhanced
the use of renewable energy sources,
showcasing a practical approach to eco-friendly
industrial practices. The predictive maintenance
capabilities, powered by advanced ML
algorithms, significantly reduced downtime,
demonstrating the system's operational
superiority. Our findings contribute to the
evolving field of intelligent energy systems,
offering a novel approach that blends traditional
industrial control with cutting-edge digital
technologies. This synergy, as evidenced in a
real-world industrial setting, presents a scalable
model for future applications, potentially
transforming energy management practices
across various sectors.
5 Conclusion
Our study showcases a novel ICS framework
combining SCADA, ML, and Digital Twin
technologies, significantly improving energy
efficiency, sustainability, and operational
efficiency in a mid-scale industrial setting. Key
achievements include a 15% reduction in
energy consumption, an 18% reduction in peak
energy demand, a 30% reduction in CO2
emissions, and a 20% increase in renewable
energy utilization. The system's ML algorithms
enhanced predictive maintenance, leading to a
15% reduction in downtime and increased
operational efficiency.
The communication backbone of our system
played a crucial role in achieving seamless data
transmission, which is vital for real-time
monitoring and control across diverse industrial
settings. This adaptability is achieved by
integrating a range of communication protocols,
each chosen for its specific benefits in different
industrial contexts. For instance, OPC UA
ensures secure and reliable data handling in
sensitive areas, while Modbus TCP provides
versatile connectivity between varied electronic
units. RS-485's robustness makes it suitable for
large-scale industrial environments, and Wi-Fi
TCP/IP enables efficient remote system
management.
Unlike other research focused solely on
individual aspects of energy efficiency,
predictive maintenance, real-time monitoring
and control, and safety, [15], [16], [17], [18],
our study combines these elements into a
cohesive system. This approach not only
enhances operational efficiency but also offers a
more sustainable, scalable solution for energy
management. Our system's real-world
application demonstrates its practical
advantages over traditional methods, marking a
significant contribution to the field.
Recognizing the study's limitations, such as
the scope of industrial application and data
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diversity, future work will aim to broaden the
system's applicability and enhance its data
analytical capabilities. We also plan to explore
the integration of emerging technologies, such
as advanced IoT applications and newer AI
paradigms, to enrich our system. These future
efforts are not just about system enhancement
but are pivotal in contributing to the evolving
narrative of sustainable and efficient energy
management in diverse industrial landscapes.
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APPENDIX
Fig. A1: Architecture of the system
Fig. A2: Integrated communication and control architecture for intelligent energy management
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Fig. A3: SCADA system
Contribution of Individual Authors to the
Creation of a Scientific Article (Ghostwriting
Policy)
The authors equally contributed in the present
research, at all stages from the formulation of the
problem to the final findings and solution.
Sources of Funding for Research Presented in a
Scientific Article or Scientific Article Itself
This research was funded by a grant from the
Ministry of Education and Science of the Republic
of Kazakhstan BR18574136 "Development of deep
learning and intellectual analysis methods for
solving complex problems of mechanics and
robotics” (2022-2024).
Conflict of Interest
The authors have no conflicts of interest to declare.
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