Like the previous editions also the third edition of this book combines the detailed physical modeling of mechatronic systems and their precise numerical simulation using the Finite Element (FE) method. Thereby, the basic chapter concerning the Finite Element (FE) method is enhanced, provides now also a description of higher order finite elements (both for nodal and edge finite elements) and a detailed discussion of non-conforming mesh techniques. The author enhances and improves many discussions on principles and methods. In particular, more emphasis is put on the description of single fields by adding the flow field. Corresponding to these field, the book is augmented with the new chapter about coupled flow-structural mechanical systems. Thereby, the discussion of computational aeroacoustics is extended towards perturbation approaches, which allows a decomposition of flow and acoustic quantities within the flow region. Last but not least, applications are updated and restructured so that the book meets modern demands.

This book covers a wide range of topics relating to carbon nanomaterials, from synthesis and functionalization to applications in advanced biomedical devices and systems. As they possess unique and attractive chemical, physical, optical, and even magnetic properties for various applications, considerable effort has been made to employ carbon nanomaterials (e.g., fullerenes, carbon nanotubes, graphene, nanodiamond) as new materials for the development of novel biomedical tools, such as diagnostic sensors, imaging agents, and drug/gene delivery systems for both diagnostics and clinical treatment. Tremendous progress has been made and the scattered literature continues to grow rapidly. With chapters by world-renowned experts providing an overview of the state of the science as well as an understanding of the challenges that lie ahead, Carbon Nanomaterials for Biomedical Applications is essential reading not only for experienced scientists and engineers in biomedical and nanomaterials areas, but also for graduate students and advanced undergraduates in materials science and engineering, chemistry, and biology.

This book is a comprehensive introduction to nanoscale materials for sensor applications, with a focus on connecting the fundamental laws of physics and the chemistry of materials with device design. Nanoscale sensors can be used for a wide variety of applications, including the detection of gases, optical signals, and mechanical strain, and can meet the need to detect and quantify the presence of gaseous pollutants or other dangerous substances in the environment. Gas sensors have found various applications in our daily lives and in industry. Semiconductive oxides, including SnO2, ZnO, Fe2O3, and In2O3, are promising candidates for gas sensor applications. Carbon nanomaterials are becoming increasingly available as off-the-shelf components, and this makes nanotechnology more exciting and approachable than ever before. Nano-wire based field- effect transistor biosensors have also received much attention in recent years as a way to achieve ultra-sensitive and label-free sensing of molecules of biological interest. A diverse array of semiconductor-based nanostructures has been synthesized for use as a photoelectrochemical sensor or biosensor in the detection of low concentrations of analytes. A novel acoustic sensor for structural health monitoring (SHM) that utilizes lead zirconate titanate (PZT) nano- active fiber composites (NAFCs) is described as well.

1 1. 1 Introduction The (signal processing and storage) capacity ofthe human brain enables us to become powerful autonomous beings, but only if our brains operate in conjunction with (at least some of) our senses and muscles. Using these organs, we can interact with our environment, learn to adapt, and improve important aspects of our life. Similarly, the signal processing capabilities of modern electronics (computers) could be combined with electronic sensors and actuators to enable interaction with, and adaptation to, the (non-electrical) environment. This willlead to smarter and more powerful automated tools and machines. To facilitate and stimulate such a development, easy-to-use low-cost sensors are needed. The combination of electronic interface functions and a sensor in an integrated smart sensor, that provides a standard, digital, and bus-compatible output, would simplify the connection of sensors to standard electronic signal processors (microcontrollers, computers, etc. ). Currently, the calibration procedure, required for standardization of the sensor output signal level, contributes largely to the production costs of accurate sensors. To enable automation of the calibration procedure, and hence reduce the sensor fabrication costs, a digital calibrationjunction should be included in the smart sensor. INTEGRATED SMART SENSORS: Design and Calibration Introduction 1. 2 Sensors and actuators In industry many processes are electronically controlled. As depicted in Fig.

Now back in print, this life of George Eastman is the first biography since 1930 of the man who transformed the world of photography. In this revealing and informative work, Brayer shows us how such key innovations as roll film and the light, hand-held camera helped the Eastman Kodak Company dominate the world market. More importantly, Brayer draws a vivid portrait of the man behind the money. Eastman worked hard at staying out of the limelight and even insisted that his donations be kept anonymous, prompting the Boston Globe to call him "America's most modest and least-known millionaire." Despite his retirement in 1925, Eastman showed little sign of slowing down. Making money had been interesting, but putting money to work became more so. In the 1920s he designed a special camera for use in orthodontia and established elaborate dental clinics for needy children around the world. He oversaw the building of the Eastman theatre and the Eastman School of Music. His contributions built a new campus for the Massachusetts Institute of Technology and a new medical school for the University of Rochester. Finally, he became the largest contributor to the education of African Americans during the 1920s and the Tuskegee Institute's most important benefactor. Elizabeth Brayer lives in Rochester, NY. For the past 18 years she has served on both the George Eastman Legacy and the Landscape committees at the George Eastman House, International Museum of Photography and Film. She writes about the history of central and Western New York State. George Eastman: A Biography was nominated for a Pulitzer Prize in 1996.

This book explores the different aspects of energy in human life especially expressing the advanced technologies in renewable energy resources. Due to the environmental pollution caused by fossil fuels and the non-permanent nature of these resources, the move towards the use of renewable energy has accelerated. In recent years, many attempts have been made to improve energy systems' performance by using multi-generation units, and these set-ups have been analyzed from the perspective of energy, exergy, economics, and environmental indicators. The book's primary goal is the effort to introduce new methods for assessing and upgrading the synergy. Therefore it examines sustainable practices such as water-energy-food nexus in poly-generation units, novel desalination systems, and smart greenhouses. One of the significant issues in these energy systems is the storage methods; for instance, carbon capture to reduce environmental pollution and the hydrogen store for the utilization in supplementary fuel. Also, robust optimization, uncertainty and risk-aware probabilistic analysis, energy management, and power supply of sensitive places such as oil rig platforms by renewables are examined.

This book highlights the various types of nanomaterials currently available and their applications in three major sectors: energy, health, and the environment. It addresses a range of aspects based on the fact that these materials' structure can be tailored at extremely small scales to achieve specific properties, thus greatly expanding the materials science toolkit. Further, the book pursues a holistic approach to nanomaterial applications by taking into consideration the various stakeholders who use them. It explores several applications that could potentially be used to improve the environment and to more efficiently and cost-effectively produce energy, e.g. by reducing pollutant production during the manufacture of materials, producing solar cells that generate electricity at a competitive cost, cleaning up organic chemicals that pollute groundwater, removing volatile organic compounds (VOCs) from the air, and so on. Given its scope, the book offers a valuable asset for a broad readership, including professionals, students, and researchers from materials science/engineering, polymer science, composite technology, nanotechnology, and biotechnology whose work involves nanomaterials and nanocomposites.

Thoroughly revised and expanded to reflect the substantial changes in the field since its publication in 1978Strong emphasis on how to effectively use software design packages, indispensable to today s lens designerMany new lens design problems and examples - ranging from simple lenses to complex zoom lenses and mirror systems - give insight for both the newcomer and specialist in the field

Rudolf Kingslake is regarded as the American father of lens design; his book, not revised since its publication in 1978, is viewed as a classic in the field. Naturally, the area has developed considerably since the book was published, the most obvious changes being the availability of powerful lens design software packages, theoretical advances, and new surface fabrication technologies.

This book provides the skills and knowledge to move into the exciting world of contemporary lens design and develop practical lenses needed for the great variety of 21st-century applications. Continuing to focus on fundamental methods and procedures of lens design, this revision by R. Barry Johnson of a classic modernizes symbology and nomenclature, improves conceptual clarity, broadens the study of aberrations, enhances discussion of multi-mirror systems, adds tilted and decentered systems with eccentric pupils, explores use of aberrations in the optimization process, enlarges field flattener concepts, expands discussion of image analysis, includes many new exemplary examples to illustrate concepts, and much more.

Optical engineers working in lens design will find this book an invaluable guide to lens design in traditional and emerging areas of application; it is also suited to advanced undergraduate or graduate course in lens design principles and as a self-learning tutorial and reference for the practitioner.

Rudolf Kingslake (1903-2003) was a founding faculty member of the Institute of Optics at The University of Rochester (1929) and remained teaching until 1983. Concurrently, in 1937 he became head of the lens design department at Eastman Kodak until his retirement in 1969. Dr. Kingslake published numerous papers, books, and was awarded many patents. He was a Fellow of SPIE and OSA, and an OSA President (1947-48). He was awarded the Progress Medal from SMPTE (1978), the Frederic Ives Medal (1973), and the Gold Medal of SPIE (1980).

R. Barry Johnson has been involved for over 40 years in lens design, optical systems design, and electro-optical systems engineering. He has been a faculty member at three academic institutions engaged in optics education and research, co-founder of the Center for Applied Optics at the University of Alabama in Huntsville, employed by a number of companies, and provided consulting services. Dr. Johnson is an SPIE Fellow and Life Member, OSA Fellow, and an SPIE President (1987). He published numerous papers and has been awarded many patents. Dr. Johnson was founder and Chairman of the SPIE Lens Design Working Group (1988-2002), is an active Program Committee member of the International Optical Design Conference, and perennial co-chair of the annual SPIE Current Developments in Lens Design and Optical Engineering Conference.
Thoroughly revised and expanded to reflect the substantial changes in the field since its publication in 1978Strong emphasis on how to effectively use software design packages, indispensable to today s lens designerMany new lens design problems and examples - ranging from simple lenses to complex zoom lenses and mirror systems - give insight for both the newcomer and specialist in the field"

High quality optical components for consumer products made of glass and plastic are mostly fabricated by replication. This highly developed production technology requires several consecutive, well-matched processing steps called a "process chain" covering all steps from mold design, advanced machining and coating of molds, up to the actual replication and final precision measurement of the quality of the optical components. Current market demands for leading edge optical applications require high precision and cost effective parts in large volumes. For meeting these demands it is necessary to develop high quality process chains and moreover, to crosslink all demands and interdependencies within these process chains. The Transregional Collaborative Research Center "Process chains for the replication of complex optical elements" at Bremen, Aachen and Stillwater worked extensively and thoroughly in this field from 2001 to 2012. This volume will present the latest scientific results for the complete process chain giving a profound insight into present-day high-tech production.

This thesis describes in-depth theoretical efforts to understand the reaction mechanism of graphite and lithium metal as anodes for next-generation rechargeable batteries. The first part deals with Na intercalation chemistry in graphite, whose understanding is crucial for utilizing graphite as an anode for Na-ion batteries. The author demonstrates that Na ion intercalation in graphite is thermodynamically unstable because of the unfavorable Na-graphene interaction. To address this issue, the inclusion of screening moieties, such as solvents, is suggested and proven to enable reversible Na-solvent cointercalation in graphite. Furthermore, the author provides the correlation between the intercalation behavior and the properties of solvents, suggesting a general strategy to tailor the electrochemical intercalation chemistry. The second part addresses the Li dendrite growth issue, which is preventing practical application of Li metal anodes. A continuum mechanics study considering various experimental conditions reveals the origins of irregular growth of Li metal. The findings provide crucial clues for developing effective counter strategies to control the Li metal growth, which will advance the application of high-energy-density Li metal anodes.

First written by the definitive expert in 1957, Watch Repair for Beginners is the ideal book for anyone who wants to know how to fix their own watch, or take up watch repair as a hobby. Learn what horology is; the basics of watch and clock repairing; the mechanics of a clock; how the wheels work; the difference between an automatic watch, a stop watch, and a chronograph; and so much more. The table of contents includes: Wheel work of pendulum clocks Gearing Escapements for Balance Wheel Timepieces Striking Mechanisms Stop Watches and Chronographs Calendar Mechanisms And more! With detailed black-and-white illustrations, this timeless classic is a must-have addition to any horology lover's collection.

Humanhairisananocompositebiological?ber. Maintainingthehealth,feel,shine, color,softness,andoverallaestheticsofthehairishighlydesired. Haircarepr- ucts such as shampoos and conditioners, along with damaging processes such as chemical dyeing and permanent wave treatments, affect the maintenance and groomingprocessandareimportanttostudybecausetheyaltermanyhairprop- ties. Nanoscalecharacterizationofthecellularstructure,mechanicalproperties,and morphological, frictional,andadhesive properties(tribologicalproperties)ofhair areessentialtoevaluateanddevelopbettercosmeticproductsandtoadvancethe understandingofbiologicalandcosmeticscience. Theatomic/frictionforcemic- scope(AFM/FFM)andnanoindenterhavebecomeimportanttoolsforstudyingthe micro/nanoscalepropertiesofhumanhair. Inthisbook,wepresentacomprehensive review of structural, nanomechanical, and nanotribological properties of various hairandskinasafunctionofethnicity,damage,conditioningtreatment,andvarious environments. Variouscellularstructuresofhumanhairand?nesublamellarstr- turesofthecuticleareidenti?edandstudied. Nanomechanicalpropertiessuchas hardness,elasticmodulus,tensiledeformation,fatigue,creep,andscratchresistance arediscussed. Nanotribologicalpropertiessuchasroughness,friction,andadhesion are presented, as well as investigations of conditioner distribution, thickness, and bindinginteractions. Tounderstandtheelectrostaticchargebuilduponhair,surface potentialstudiesarealsopresented. Thebookshouldserveasareferencebookonthebiophysicsofhumanhairand hairtreatments. TheresearchreportedinthisbookwassupportedbyProcter&GambleCo. in Cincinnati,Ohio,andKobe,Japan. IwouldliketothankCarmenLaTorrewhohad assistedinvariouspublicationsonhairresearch. Iwouldalsoliketothankmywife Sudha,whohasbeenforbearingduringthepreparationofthisbook. Powell,OH BharatBhushan November2010 v Contents 1 Introduction-Human Hair, Skin, and Hair Care Products...1 1. 1 HumanHair ...1 1. 1. 1 TheCuticle ...3 1. 1. 2 TheCortexandMedulla...6 1. 2 Skin...7 1. 3 HairCare:CleaningandConditioningTreatments,andDamaging Processes ...10 1. 3. 1 CleaningandConditioningTreatments:Shampoo andConditioner...13 1. 3. 2 DamagingProcesses...18 1. 4 OrganizationoftheBook ...19 2 Experimental Methods...21 2. 1 ExperimentalApparatuses...23 2. 2 ExperimentalProcedure ...26 2. 2. 1 StructuralCharacterizationUsinganAFM...26 2. 2. 2 SurfacePotentialStudiesUsingAFM-Based KelvinProbeMicroscopy...29 2. 2. 3 NanomechanicalCharacterizationUsingNanoindentation ...30 2. 2. 4 InSituTensileDeformationCharacterizationUsingAFM ...32 2. 2. 5 Macroscale Tribological Characterization UsingaFrictionTestApparatus...33 2. 2. 6 Micro/nanotribologicalCharacterizationUsinganAFM...35 2. 3 HairandSkinSamples ...41 3 Structural Characterization Using an AFM ...45 3. 1 StructureofHairCrossSectionandLongitudinalSection ...45 3. 1. 1 CrossSectionofHair...45 3. 1. 2 LongitudinalSectionofHair...45 3. 2 StructureofVariousCuticleLayers...48 3. 2. 1 VirginHair...48 vii viii Contents 3. 2. 2 ChemicallyDamagedHair...50 3. 2. 3 Conditioner-TreatedHair...52 3. 2. 4 EffectofHumidityonMorphologyandCellularStructure ofHairSurface...54 3. 3 Summary...55 4 Nanomechanical Characterization Using Nanoindentation, Nanoscratch, and AFM...57 4. 1 Hardness,Young'sModulus,andCreep...

This book derives from a 3 day intensive course on Pressure Vessel Design given regularly in the UK and around the world since 1986. It is written by experts in their field and although the main thrust of the Course has been directed to BS5500, the treatment of the material is of a general nature thus providing insight into other national standards.

Over the last twenty years there has been tremendous growth in the research and development of sensors and sensor signal processing methods. Advances in materials and fabrication techniques have led to a departure from traditional sensor types and the development of novel sensing techniques and devices, many of which are now finding favor in industry. Novel Sensors and Sensing provides an introduction to modern sensor types and sensor signal processing methods, with emphasis placed on the underlying physics and the generic operating principles involved. It includes a review of the fundamentals of measurement and instrumentation and covers the principle types of modern sensor-resonator, semiconductor based, and optical fiber (including an overview of optical propagation and transmission.) The final chapter of the book is devoted to flow measurement, an area that has benefited greatly from the developments in novel sensing devices and techniques.

This textbook is about economically competitive renewable energy sources (RES), including onshore and offshore wind, solar and small-hydro plants, and focusing on the electricity production from these sources. Clearly divided into sections discussing the different RES, the textbook begins with an introduction of AC electrical circuits, aimed at non-electrical engineers. It then offers an economic assessment of renewable energy projects, before discussing photovoltaic technologies and concentrated solar power. It explores the theory of wind to power conversion, electrical generator types and electrical part of offshore systems. Presenting theoretical concepts related to the electrical framework associated with RES, alongside examples and solved problems, this book will clearly introduce the topic of renewable power sources to graduate students, researchers and practitioners alike. After reading the book, readers will be equipped to make a preliminary techno-economic assessment of a RES.

This book focuses on pneumatic servo systems analysis, control and application in robotic systems. The pneumatic servo systems are composed by pneumatic artificial muscles or cylinders, which are two important pneumatic actuators in industrial application. The active disturbance rejection control technique is used effectively to solve strong nonlinearity and uncertain factors for the pneumatic servo systems. Nonlinear feedback control, back-stepping control, finite-time control, sliding mode control and several other control laws are proposed to make the pneumatic servo systems have better control performances. The book establishes a fundamental framework for this topic, while emphasizing the importance of integrated analysis. The book is intended for undergraduate and graduate students who are interested in this field and engineers working on the applications of pneumatic servo systems. Advances in Industrial Control reports and encourages the transfer of technology in control engineering. The rapid development of control technology has an impact on all areas of the control discipline. The series offers an opportunity for researchers to present an extended exposition of new work in all aspects of industrial control.

"Acquaints developers of medical devices with the basic concepts and major issues of medical quality assurance and regulatory documents, describes the requirements listed in these documents, and provides strategies for compliance with these requirements."

Between 1608 and 1610 the canopy of the night sky changed forever, ripped open by an object created almost by accident: a cylinder with lenses at both ends. Galileo's Telescope tells the story of how an ingenious optical device evolved from a toy-like curiosity into a precision scientific instrument, all in a few years. In transcending the limits of human vision, the telescope transformed humanity's view of itself and knowledge of the cosmos. Galileo plays a leading-but by no means solo-part in this riveting tale. He shares the stage with mathematicians, astronomers, and theologians from Paolo Sarpi to Johannes Kepler and Cardinal Bellarmine, sovereigns such as Rudolph II and James I, as well as craftsmen, courtiers, poets, and painters. Starting in the Netherlands, where a spectacle-maker created a spyglass with the modest magnifying power of three, the telescope spread like technological wildfire to Venice, Rome, Prague, Paris, London, and ultimately India and China. Galileo's celestial discoveries-hundreds of stars previously invisible to the naked eye, lunar mountains, and moons orbiting Jupiter-were announced to the world in his revolutionary treatise Sidereus Nuncius. Combining science, politics, religion, and the arts, Galileo's Telescope rewrites the early history of a world-shattering innovation whose visual power ultimately came to embody meanings far beyond the science of the stars.

Do you know that black holes can affect time? that Stonehenge is a giant calendar? that the Oracle Bones of the North China Plain predict the phases of the moon? that the Pyramids are giant compasses? how Jonathan Swift knew that Mars had two moons when he wrote Gulliver's Travels? that the effects of black holes are described in the story of Alice in Wonderland? that an atomic reactor existed 2 billion years ago in Equatorial Africa? that an electron on the other side of the galaxy can deflect a billiard ball? that Schr dingers cat is both alive and dead? Derek York fathoms these and many other mysteries of time and space in In Search of Lost Time. A reflection of York's obsession with time and its measurement, the book discusses the mind-bending universe of the special and general theories of relativity, the ghostly world of quantum mechanics, and the unpredictable haunts of chaos. It explores the pyramids of Egypt, Stonehenge, and the South China plain; the universities of Cambridge, McGill, and Chicago; the Patent Office in Berne; and back to the Ethiopian desert on the banks of the Awash River. Companions to share and illuminate the path range from Jonathan Swift's Gulliver's Travels and Lewis Carroll's Alice in Wonderland to J.B. Priestley's Dangerous Corner. It also presents the father of master-spy Kim Philby in the Empty Quarter of Arabia, the fantasist Velikovsky in the clouds, and Newton, Darwin, Rutherford, Einstein and the great Earth scientists of this century who fathomed the depths of lost time and discovered the age of the Earth. Written in an engaging, nontechnical style, this book will delight and amaze all who encounter it.

This book covers several futuristic computing technologies like quantum computing, quantum-dot cellular automata, DNA computing, and optical computing. In turn, it explains them using examples and tutorials on a CAD tool that can help beginners get a head start in QCA layout design. It discusses research on the design of circuits in quantum-dot cellular automata (QCA) with the objectives of obtaining low-complexity, robust designs for various arithmetic operations. The book also investigates the systematic reduction of majority logic in the realization of multi-bit adders, dividers, ALUs, and memory.

This book includes both theoretical conceptualization and practical applications in the fields of product design, architecture, engineering, and materials. The book aimed to inspire scholars and professionals to look at nature as a source of inspiration for developing new project solutions. Moreover, being one of the literature's first direct associations of bionics with sustainability, the book can be used as a reference for those who seek to know more about the theory of bioinspired applications, as well as new technologies, methods, materials, and processes.

This book serves as a quick guide on the latest material systems including their synthesis, fabrication and characterization techniques. It discusses recent developments in different material systems and discusses their novel applications in various branches of science and engineering. The book briefs latest computational tools and techniques that are used to discover new material systems. The book also briefs applications of new emerging materials in various fields including, healthcare, sensors, opto-electronics, high power devices and nano-electronics. This book helps to create a synergy between computational and experimental research methods to better understand a particular material system.

SHORTLISTED FOR THE ROYAL SOCIETY SCIENCE BOOK PRIZE 2018 Bestselling author Simon Winchester writes a magnificent history of the pioneering engineers who developed precision machinery to allow us to see as far as the moon and as close as the Higgs boson. Precision is the key to everything. It is an integral, unchallenged and essential component of our modern social, mercantile, scientific, mechanical and intellectual landscapes. The items we value in our daily lives – a camera, phone, computer, bicycle, car, a dishwasher perhaps – all sport components that fit together with precision and operate with near perfection. We also assume that the more precise a device the better it is. And yet whilst we live lives peppered and larded with precision, we are not, when we come to think about it, entirely sure what precision is, or what it means. How and when did it begin to build the modern world? Simon Winchester seeks to answer these questions through stories of precision’s pioneers. Exactly takes us back to the origins of the Industrial Age, to Britain where he introduces the scientific minds that helped usher in modern production: John ‘Iron-Mad’ Wilkinson, Henry Maudslay, Joseph Bramah, Jesse Ramsden, and Joseph Whitworth. Thomas Jefferson exported their discoveries to the United States as manufacturing developed in the early twentieth century, with Britain’s Henry Royce developing the Rolls Royce and Henry Ford mass producing cars, Hattori’s Seiko and Leica lenses, to today’s cutting-edge developments from Europe, Asia and North America. As he introduces the minds and methods that have changed the modern world, Winchester explores fundamental questions. Why is precision important? What are the different tools we use to measure it? Who has invented and perfected it? Has the pursuit of the ultra-precise in so many facets of human life blinded us to other things of equal value, such as an appreciation for the age-old traditions of craftsmanship, art, and high culture? Are we missing something that reflects the world as it is, rather than the world as we think we would wish it to be? And can the precise and the natural co-exist in society?

This book presents quantum phononics as an exciting new field of research, and introduces readers to the quantum nature of phonons and their application to quantum technologies. Both the theory of and recent experiments in "quantum phononics," involving e.g. coherent phonons, phonon squeezing, coherent control, and phonon quantum technologies, are presented. The theoretical background of the generation and detection of phonons is described in a way that will be easy to understand for graduate students and experimental scientists who are newcomers to the field. Moreover, the book focuses on coherent phonons produced by ultrafast laser pulses, which can be used for the coherent control of atomic motions in solids and phase transformation. The laser-matter interaction is treated using a density matrix formalism of the time-dependent Schroeedinger equation. In addition, the third-order nonlinear optical response of condensed matter is also described.

This book features selected papers presented at the 16th International Conference on Electromechanics and Robotics 'Zavalishin's Readings' - ER(ZR) 2021, held in St. Petersburg, Russia, on April 14-17, 2021. The contributions, written by professionals, researchers and students, cover topics in the field of automatic control systems, electromechanics, electric power engineering and electrical engineering, mechatronics, robotics, automation and vibration technologies. The Zavalishin's Readings conference was established as a tribute to the memory of Dmitry Aleksandrovich Zavalishin (1900-1968) - a Russian scientist, corresponding member of the USSR Academy of Sciences, and founder of the school of valve energy converters based on electric machines and valve converters energy. The first conference was organized by the Institute of Innovative Technologies in Electromechanics and Robotics at the Saint Petersburg State University of Aerospace Instrumentation in 2006. The 2021 conference was held with XV International Conference "Vibration-2021. Vibration technologies, mechatronics and controlled machines" and VI International Conference "Electric drive, electrical technology and electrical equipment of enterprises", and was organized by St. Petersburg State University of Aerospace Instrumentation (SUAI), St. Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), Southwest State University (SWSU) and Ufa State Oil Technical University (USPTU).