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Summary: This reprint, as a continuation of a previous Special Issue entitled "Efficiency and Optimization of Buildings Energy Consumption", gives an up-to-date overview of new technologies based on Machine Learning (ML) and Internet of Things (IoT) procedures to improve the mathematical approach of algorithms that allow control systems to be improved with the aim of reducing housing sector energy consumption.

Summary: Dear Colleagues, I am very happy to have this Special Issue of the journal Energies on the topic of Design and Control of Electrical Motor Drives published. Electrical motor drives are widely used in the industry, automation, transportation, and home appliances. Indeed, rolling mills, machine tools, high-speed trains, subway systems, elevators, electric vehicles, air conditioners, all depend on electrical motor drives.However, the production of effective and practical motors and drives requires flexibility in the regulation of current, torque, flux, acceleration, position, and speed. Without proper modeling, drive, and control, these motor drive systems cannot function effectively.To address these issues, we need to focus on the design, modeling, drive, and control of different types of motors, such as induction motors, permanent magnet synchronous motors, brushless DC motors, DC motors, synchronous reluctance motors, switched reluctance motors, flux-switching motors, linear motors, and step motors.Therefore, relevant research topics in this field of study include modeling electrical motor drives, both in transient and in steady-state, and designing control methods based on novel control strategies (e.g., PI controllers, fuzzy logic controllers, neural network controllers, predictive controllers, adaptive controllers, nonlinear controllers, etc.), with particular attention to transient responses, load disturbances, fault tolerance, and multi-motor drive techniques. This Special Issue include original contributions regarding recent developments and ideas in motor design, motor drive, and motor control. The topics include motor design, field-oriented control, torque control, reliability improvement, advanced controllers for motor drive systems, DSP-based sensorless motor drive systems, high-performance motor drive systems, high-efficiency motor drive systems, and practical applications of motor drive systems. I want to sincerely thank authors, reviewers, and staff members for their time and efforts. Prof. Dr. Tian-Hua Liu Guest Editor

Summary: Processing and Conversion of Oil and Gas: Modeling, Control, Simulation, and Optimization describes the core of the activity of petrochemical engineers, process controller engineers, industrial engineers, energy engineers, and researchers in the oil and gas field. This reprint explores the modeling, control, simulation, and optimization of new and revamped petrochemical processes using proven software. Thus, it offers novel illustrative examples, prospective applications, and solutions to improve these processes. This reprint aims to combine theoretical principles with examples modeled by commonly used simulation software employing steady-state or dynamic process simulation. Furthermore, applying numerical methods and optimization at both the theoretical and practical levels is within the scope of this reprint.

Summary: Silica and silicon-based nanostructures are now well-understood materials for which the technologies are mature. The most obvious applications, such as electronic devices, have been widely explored over the last two decades. The aim of this Special Issue is to bring together the state of the art in the field and to enable the emergence of new ideas and concepts for silicon and silica-based nanostructures.

Summary: Electrical machines are one of the most important components of the industrial world. They are at the heart of the new industrial revolution, brought forth by the development of electromobility and renewable energy systems. Electric motors must meet the most stringent requirements of reliability, availability, and high efficiency in order, among other things, to match the useful lifetime of power electronics in complex system applications and compete in the market under ever-increasing pressure to deliver the highest performance criteria. Today, thanks to the application of highly efficient numerical algorithms running on high-performance computers, it is possible to design electric machines and very complex drive systems faster and at a lower cost. At the same time, progress in the field of material science and technology enables the development of increasingly complex motor designs and topologies. The purpose of this Special Issue is to contribute to this development of electric machines. The publication of this collection of scientific articles, dedicated to the topic of electric machine design and application, contributes to the dissemination of the above information among professionals dealing with electrical machines.

Summary: The year 2021 saw the publication of the Special Issue ""Diseases of the Salivary Glands" (https://www.mdpi.com/journal/jcm/special_issues/Salivary_Glands), Part I, covering recent and novel advancements as well as future trends in the field of research evaluating diagnostic and therapeutic treatment of salivary gland (SGs) diseases. Given the enormous success of Part I, the Special Issue "Diseases of the Salivary Glands" Part II has been launched, with the firm belief that it will enrich the panorama of world research in this field. Topics include: 1) Clinical features and presentation of potentially malignant SG disorders; 2) Risk factors and etiopathogenesis of SGs tumors; 3) Etiopathogenesis and molecular mechanisms involved in the chronic inflammatory condition characterizing Sjӧgren's syndrome; 4) New discoveries in the field of micro RNAs associated with Sjӧgren's syndrome; 5) Molecular markers linked to development and progression of SG diseases: current knowledge and future implications; 6) More innovative techniques for the study of the SG diseases: current limitations and future directions.

Summary: Arts therapy is a form of psychotherapy that uses artistic media, the creative process, and artwork as its primary forms of communication. The arts therapies cover six areas of specialization: visual arts, music, dance and movement, drama, psychodrama, and bibliotherapy. Several studies and reviews have demonstrated its effectiveness for adult populations (e.g., Regev and Cohen-Yatziv, 2018), as well as for children and adolescents (e.g., Cohen-Yatziv and Regev, 2019). Academic writing and research, which have evolved extensively in recent decades, have underscored the considerable significance of arts therapies especially for children and adolescents.This Special Issue, "Arts Therapies with Children and Adolescents", is dedicated to presenting research and clinical writing in the field of the Arts Therapies with Children and Adolescents in a variety of settings, including hospitals, the education system, mental health clinics, and others. I hope that this Special Issue will serve as a repository of knowledge for arts therapists and as a fertile terrain for further research in the field. It should also pave the way for more professionals working with children and adolescents to better understand the meaning and uniqueness of the therapeutic work in arts therapies and the dedicated ways in which arts therapists use assessment tools and arts-based interventions to better understand the world of children and adolescents.

Summary: This book represents one of the most up-to-date collections of articles on clinical practice and research in the field of Autism Spectrum Disorders (ASD). The scholars who contributed to this book are experts in their field, carrying out cutting edge research in prestigious institutes worldwide (e.g., Harvard Medical School, University of California, MIND Institute, King's College, Karolinska Institute, and many others). The book addressed many topics, including (1) The COVID-19 pandemic; (2) Epidemiology and prevalence; (3) Screening and early behavioral markers; (4) Diagnostic and phenotypic profile; (5) Treatment and intervention; (6) Etiopathogenesis (biomarkers, biology, and genetic, epigenetic, and risk factors); (7) Comorbidity; (8) Adulthood; and (9) Broader Autism Phenotype (BAP). This book testifies to the complexity of performing research in the field of ASD. The published contributions underline areas of progress and ongoing challenges in which more certain data is expected in the coming years. It would be desirable that experts, clinicians, researchers, and trainees could have the opportunity to read this updated text describing the challenging heterogeneity of Autism Spectrum Disorder.

Summary: Up until the latter years of the twentieth century, there was very little critical analysis of child protection policies and practices. The core assumption was that it was concerns about child abuse and neglect that provided the rationale and focus for child protection policies, practices, and systems, and they were assumed to be benign in both intent and impact. Increasingly, however, it has been recognised that a whole range of political, cultural, and sociological influences bear on the development and operation of child protection policies, practices, and systems and that these can have a whole range of negative consequences. The aim of this edited book, based on the Special Edition of the same title, is to provide a range of international cutting-edge papers that critically analyse different aspects of child protection, and which also provide suggestions about how child protection can be positively reformed.

Summary: The main purpose of this Special Issue of "Advances in Fluid Power Systems" was to present new scientific work in the field of fluid power systems for hydraulic and pneumatic control of machines and devices used in various industries. Advances in fluid power systems are leading to the creation of new smart devices that can replace tried-and-true solutions from the past. The development work of authors from various research centres has been published. This Special Issue focuses on recent advances and smart solutions for fluid power systems in a wide range of topics, including: • Fluid power for IoT and Industry 4.0: smart fluid power technology, wireless 5G connectivity in fluid power, smart components, and sensors.• Fluid power in the renewable energy sector: hydraulic drivetrains for wind power and for wave and marine current power, and hydraulic systems for solar power. • Hybrid fluid power: hybrid transmissions, energy recovery and accumulation, and energy efficiency of hybrid drives.• Industrial and mobile fluid power: industrial fluid power solutions, mobile fluid power solutions, eand nergy efficiency solutions for fluid power systems.• Environmental aspects of fluid power: hydraulic water control technology, noise and vibration of fluid power components, safety, reliability, fault analysis, and diagnosis of fluid power systems.• Fluid power and mechatronic systems: servo-drive control systems, fluid power drives in manipulators and robots, and fluid power in autonomous solutions.