Control Systems - Science topic

Digitalization and automation of technological processes are two of the leading trends in the development of information technology. The industrial Internet of Things (IOT) is the future of every field with complex and multicomponent technological processes. The possibility of full automation implies the interaction of a large number of different t...

In this paper we propose a system for intuitively controlling a robotic arm using hand tracking through an HMD (Head Mount Display). To control the robotic arm by tracking the human body, it is necessary to transmit angle values to each motor. At this time, the system needs to know how much each human joint is rotated, i.e., the joint values, and b...

This book shows step by step how to develop, implement (engineering) and operate (administration) technical systems efficiently and effectively. To this end, it first explains how complex real systems are simplified, i.e. modeled, in order to make their relevant properties visible. This is done in an interdisciplinary manner by taking into account...

In this paper, the problem of state feedback quantized controller design for nonlinear networked cascade control system under multi-channel adaptive event-triggered strategy is studied. Based on the Takagi-Sugeno fuzzy model, the nonlinear system is modeled. An improved adaptive event-triggered mechanism is proposed, in which the dynamic threshold...

The increasing complexity of urban road networks has driven the development of Intelligent Transportation Systems (ITS) to optimize vehicle flow. To address this challenge, this paper presents an algorithm and MATLAB function that generates an adjacency list of traffic signals to provide detailed information about the relationships between all sign...

The objective of this study is to evaluate the effectiveness of a company's internal control system. Evaluating the effectiveness of internal controls is essential for ensuring organizational transparency, reliability, and competitiveness. Continuous review and improvement of internal control systems are critical for enabling organizations to remai...

The purpose of this work is to realize an automatic sorting and control system that allows the detection and tracking of objects based on a camera. The prototype of the realized belt consists of a conveyor, object detector, camera, and two arms with the mechanical structure. This project has two parts:-The data-processing part (Matlab programming,...

The complexity of real‐world systems poses challenges to model‐based control, sparking significant interest in model‐free control methods. By depending exclusively on the system's input–output data, the proposed method eliminates the need to construct intricate internal system models. The implementation is straightforward, can satisfy bounded contr...

Reliability technology plays a significant role in ensuring the safe operation of the subsea control system. To perform a comprehensive analysis of the reliability of complex systems, a combination of Failure Mode and Effects Analysis (FMEA) and Fuzzy Fault Tree Approach (FFTA) is introduced. Firstly, the FMEA method is used to analyze the potentia...

Transfer learning is an umbrella term for machine learning approaches that leverage knowledge gained from solving one problem (the source domain) to improve speed, efficiency, and data requirements in solving a different but related problem (the target domain). The performance of the transferred model in the target domain is typically measured via...

Over-actuated systems often make it possible to achieve specific performances by switching between different subsets of actuators. However, when the system parameters are unknown, transferring authority to different subsets of actuators is challenging due to stability and performance efficiency concerns. This paper presents an efficient algorithm t...

Electric vehicles (EVs) face customer hesitancy due to challenges in locating fast charging stations, lengthy recharging times, and incompatible charging ports. This research addresses these issues by proposing a novel current mode control strategy for EV battery charging. Traditional charging methods often result in suboptimal rates, battery degra...

Background Institutions make big efforts to improve their processes, however, there is a lack of planning and investment regarding the quality control system. Thus, building an integrated quality control system is crucial to achieve high reliability. Objectives To increase the number of tools integrated into the care routine (related to the Qualit...

The paper examines the difference between theoretical approaches to the creation of cybernetic control systems in the past and in the present, using the example of the Soviet OGAS (National Automated Information Accounting and Processing System), and modern Digital Earth, used, in particular, in the creation of the Belt and Road project governmenta...

Cancer outcomes in Australia are among the best in the world, but this is not the story for all Australians, with significant disparities in cancer outcomes and experiences among specific groups in Australian society. The Australian Government developed the Australian Cancer Plan (the Plan) as a national approach to improve cancer outcomes and expe...

When sorting roundwood on chain longitudinal conveyors of considerable length, there is an error in moving the selected roundwood assortment to the place of discharge into the accumulator, which increases in proportion to the length of the sorting line. Currently, conveyors of limited length are used. The accumulators are located on both sides of t...

This paper analyses the evolution of nonlinear oscillation control methods and presents an innovative approach known as analytical design of aggregated oscillation controllers (ADACO). This method is based on the principles of synergetic control theory and focuses on the integration of self-organization and control processes to synthesize energy-ef...

For several years, digitalization has emerged as a critical strategic issue for companies, influencing all of their functions, including Human Resources Management (HRM), logistics, finance, and others. It has been the subject of numerous research studies, particularly in developed countries. However, this type of research remains largely underexpl...

In this study, an aerial tour guide drone was developed based on the existing Coanda‐drone. The research integrated a Voice Information Presentation System with ROS2 using the open‐source PX4 flight control system to update the drone's control module. This system can recognize and read QR codes on displayed items and convert the text information fr...

This paper addresses the problem of steering an initial probability distribution to a target probability distribution through a deterministic or stochastic linear control system. Our proposed approach is inspired by the flow matching methodology, with the difference that we can only affect the flow through the given control channels. The motivation...

Electric arc furnaces are commonly used in foamed slag technology for the production of steel from steel scrap through an electric process. The effects of using this technology include increased efficiency, reduced consumption of refractory materials, reduced energy consumption, reduced electrode wear, and improved arc stability. The world is const...

We develop a framework for communication-control co-design in a wireless networked control system with multiple geographically separated controllers and controlled systems, modeled via a Poisson point process. Each controlled system consists of an actuator, plant, and sensor. Controllers receive state estimates from sensors and design control input...

This research aims to overcome the challenge of excessive temperatures in hydroponic gardens by implementing a temperature and water temperature control system. The main problems identified were excessive temperatures in the hydroponic environment and the need for effective methods for monitoring and controlling the water temperature in the garden....

Sensors, controllers, and actuators in a networked control system collaborate to execute a distributed closed-loop feedback control system. Currently, NCS includes network components that remain unidentified, such as heightened latency and packet loss, which may be persistent or fluctuate over time. The current predicament stems from the increased...

Fraud and financial crime continue to pose significant challenges for private companies, making prevention efforts essential through the identification of their root causes. This study examines the relationship between situational crime prevention and financial fraud, with a focus on employee tenure as a moderating variable. An empirical research m...

Intersections pose critical challenges in traffic management, where maintaining operational constraints and ensuring safety are essential for efficient flow. This paper investigates the effect of intervention timing in management strategies on maintaining operational constraints at intersections while ensuring safe separation distance, avoiding col...

Pumps are among the largest energy consumers, and there is still significant potential for energy savings of 20–30% in pumping systems. To address the issue of poor modeling accuracy of traditional approaches in pump systems under extreme conditions, this study employs a machine learning model combined with an improved swarm intelligence algorithm...

This article presents the concept of an innovative digital system for monitoring and controlling deforestation, aimed at improving the efficiency of forest management and combating illegal logging. The system is based on the use of modern high-resolution satellite data and machine learning methods to analyze changes in forest cover. The paper descr...

The imbalance between generated power and load demand often causes unwanted fluctuations in the frequency and tie-line power changes within a power system. To address this issue, a control process known as load frequency control (LFC) is essential. This study aims to optimize the parameters of the LFC controller for a two-area power system that inc...

The article presents a statistical analysis of innovative approaches to optimizing the system for monitoring the level of accidents and social risk, which is aimed at improving the predictive capabilities of the existing system for monitoring road safety indicators on the State Traffic Safety Inspectorate website. The purpose of this study in the f...

In this paper, we consider the sensitivity of the controllable subspaces of single-input linear control systems to small perturbations of the system matrices. The analysis is based on the strict component-wise asymptotic bounds for the matrix of the orthogonal transformation to canonical form derived by the method of the splitting operators. The as...

We live in an era characterized by Society 4.0 and Industry 4.0 where successive innovations that are more or less disruptive are occurring. Within this context, the modeling and simulation of dynamic supervisory and control systems require dealing with more sophistication and complexity, with effects in terms of development errors and higher costs...

Shared human-machine control systems are critical to realising assistive technologies that empower users to enhance their level of independence, and quality of life. In this paper, we present an overview of the state-of-the-art in equitable shared control for assistive robotics, drawing upon examples from our own work, applied to both smart wheelch...

Multi-project planning and control must be part of the precast concrete industry to achieve more efficient project performance and impact obtaining better contract values. It requires a clear and detailed understanding of the project's scope and the risks in project planning. This research aims to analyze the risk factors that influence ongoing mul...

The channels of production and sale of agricultural products in Uzbekistan are a complex system. Organization of the flow of goods through the logistics system in the markets of agricultural products and the organization of a system of recycling of products after consumption, saving resources and reducing waste are one of the urgent issues. The mai...

This paper is devoted to illustrating the possibilities of using the methodological apparatus of functional modeling to solve the problem of formalized representation of threats of destructive impact of malicious software on the operating environment of an automated control system for special purposes. It examines an attacker's sequence of actions...

Considering the complexity and difficulty of obtaining certain parameters in the electro-hydraulic proportional control system, a precise transfer function of the system was derived through parameter identification using experimental data obtained from an Amesim simulation model after establishing a basic mathematical model. This approach reduces t...

With the rapid development of the packaging industry, the automation design of packaging production lines has become a key technological means to improve production efficiency, reduce costs, and ensure product quality. This paper starts with the basic concepts and current status of packaging production line automation, analyzing core technologies s...

This paper focuses on simultaneous estimation of states and faults for a linear time-invariant (LTI) system observed by sensor networks. Each sensor node is equipped with an observer, which uses only local measurements and local interaction with neighbors for monitoring. The observability of said observer is analyzed where non-local observability o...

The proportional-integral-derivative PID controller are widely applied with the electro-hydraulic servo system since it is easily to implement and highly efficient. Fractions have recently become widespread in technology and science. The current research looked at a fractional-order PID controller. The optimal tuning FOPID parameter that can increa...

As the imaging distance and focal length of photoelectric systems increase, the requirements for line-of–sight stabilization of optical inertial stabilized platforms (ISPs) become higher. Disturbance rejection directly determines the stability accuracy of optical inertial stabilized platforms. However, the accurate observation and suppression of wi...

The main objective of this study is to conduct a comparative analysis of various control strategies and materials used in the operation of community microgrids. An analysis that contrasts various methods for managing a microgrid's operations in a community context is called comparison research on control strategies for community microgrids. The stu...

The two-dimensional border-collision normal form is a four-parameter family of piecewise-linear maps generalizing the Lozi family and relevant to diverse applications. It was recently shown to exhibit a chaotic attractor throughout an open region of parameter space, but only for parameter combinations where the map is invertible and orientation-pre...

Garantir a qualidade dos serviços na gestão pública foi e continuará sendo um dos desafios precípuos dos gestores que almejam cumprir o princípio da eficiência expresso no art.37 da Constituição Federal de 88 (Brasil, 1988). Buscou-se por meio da pesquisa bibliográfica e documental de abordagem qualitativa analisar os benefícios da ferramenta CONDE...

This study aims to analyze the effects of leadership styles and the use of a management control system on creative thinking. Descriptive research was carried out using a survey with 215 mid-level managers from the Brazilian textile industry and hypotheses were tested using structural equation modeling. Results show that transformational leadership...

North of the city of Sundsvall, Sweden, GeoMind has designed a 600-meter-long rubble-mound structure founded on large diameter wet deep mixing columns. The work was initiated by an evaluation of competitive technical solutions with the aim of minimizing the technical and work environment risks, costs as well as time for construction. The soil compr...

Although the development of electric vehicle (EV) technology offers opportunities for reducing CO2 emissions through the electrification of transportation, the integration of EVs into distribution systems poses a significant challenge to the reliable operation of existing protection systems. As the penetration level of EVs continues to rise, the fa...

Mobile robotics is a branch of robotics and within the branch the category of selfbalancingrobots is of particular interest as these robots show the promise of navigating difficultterrain in a manner like humans and can be used to platform for investigating autonomouscontrol systems. This paper aims to summarize the development of a two-wheeled sel...

El objetivo de esta investigación se basó en analizar la auditoría y control interno para optimizar la productividad empresarial. A través de una metodología de tipo documental con apoyo bibliográfico. Se pudo establecer que la auditoría y el control interno son herramientas efectivas para optimizar el proceso productivo de las organizaciones, y qu...

Episodic memory is one of the crucial dimensions of a human memory system; by imitating them, an agent can achieve human intelligence. A memory of a particular occurrence is referred to as an episodic memory. Due to the fact that every individual has a unique perspective and experience of a certain event, the episodic memories that they have of tha...

The main objective of this study is to demonstrate the active influence on the location of the bow shock wave, as well as on the parameters of an aerodynamic body, of a gas discharge organized near the frontal surface, between the body and the bow shock wave. The research is carried out using both experimental and numerical methods at the freestrea...

In systems where dc and ac subsystems are interacting, dc capacitors are used to balance (filter or decouple) the ac power pulsations. The required capacitance often poses a limitation in terms of physical footprint, cost, and/or reliability. Active ripple filtering circuits are widely studied in the literature for reducing the size of the capacito...

Problem statement. In metallurgical and petrochemical industries using high-temperature technological processes, there exists an issue of overheating of workers due to significant heat loads. To prevent such hazard, large industrial fans are installed directly at production sites providing air circulation over a wide area. However, their performanc...

Taking a Vienna rectifier as the research object, the power mathematical model based on a switching function is established according to its working principle. A sliding mode variable structure control algorithm based on the reaching law is examined in order to address the issues of the slow response speed and inadequate anti-interference of classi...

Collaborative assembly represents one of the most prevalent practical applications of collaborative robots in intelligent manufacturing. Developing intelligent systems to ensure safety of collaborative assembly processes requires a special attention. In this work, we introduce a visual safety system designed to monitor hazardous situations that may...

The construction of high-rise buildings has expanded in the last decade in Arab countries. Accordingly, the facades of these buildings are one of the most significant building components that help to separate the internal and external environments, where they have an effective impact on energy consumption and carbon emissions. Thus, facades play a...

One of the most promising use-cases for machine learning in industrial manufacturing is the early detection of defective products using a quality control system. Such a system can save costs and reduces human errors due to the monotonous nature of visual inspections. Today, a rich body of research exists which employs machine learning methods to id...

In chemical and industrial processes, the level control of liquids in tanks is significant and widely used, especially in power stations and petroleum industries. The liquid level can be controlled by the most common method, PID control due to its efficiency and performance in achieving the desired set point. In this paper, the water level in tank...

In this paper, we propose a reaction-diffusion SIRC model with cross-immunization. The model includes the implementation of vaccination measures for susceptible, and treatment and quarantine measures for infected in order to control the spread of the disease. The optimal control strategies for the spread of disease are mainly investigated. Our rese...

Modeling of different processes and phenomena in real-world is one of the most important fields of the mathematics in which qualitative dynamics of such systems are studied from mathematical point of view. In this paper, we discuss the qualitative properties of solutions of a temperature control system in the context of a mathematical model in frac...

The mathematical theories and methods of fractional calculus are relatively mature, which have been widely used in signal processing, control systems, nonlinear dynamics, financial models, etc. The studies of some basic theories of fractional differential equations can provide more understanding of mechanisms for the applications. In this paper, th...

This paper presents a novel approach for reconfiguring a conventional buck converter into a buck-boost converter to generate negative voltage, using the same control unit. The proposed transformation is achieved by strategically relocating the DC voltage source and adjusting the grounding, enabling the converter to operate in a buck-boost mode with...

Pollution prevention and control systems transform and separate materials and they must be integrated in support of each other. This book is about separations of solids from solids, particulate solids from air and water, dissolved solids from water, and gases from gases. It is quantitative, but it is not a design manual because the internal details...

With the widespread application of chaotic systems in many fields, research on chaotic systems is becoming increasingly in-depth. This article first proposes a new dynamic model of financial risk contagion based on financial principles and discusses some basic dynamic characteristics of the new chaotic system, such as equilibrium points, dissipativ...

Dendrobium, a medicinal and food plant of high medicinal and economic value, is being cultivated in various regions across China. Based on years of cultivation experience, we explored effective cultivation measures for Dendrobium and analyzed the role of green prevention and control technologies in its cultivation. The experiment demonstrated that...

As the electrical system becomes more and more decentralized, new control algorithms are necessary to manage the intermittent and non‐deterministic production of non‐programmable renewable sources, as well as the consumption of new loads like electric vehicles and heat pumps. Traditionally, electrical networks are controlled centrally, which provid...

In complex electromagnetic environments, wireless communication system reliability can be compromised by various types of jamming. To improve reliability in the presence of malicious jamming, this paper introduces an anti-jamming power control algorithm for wireless communication systems, grounded in model predictive control (MPC) principles. The a...