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Ultra-precision machining is a multi-disciplinary research area that is an important branch of manufacturing technology. It targets achieving ultra-precision form or surface roughness accuracy, forming the backbone and support of today’s innovative technology industries in aerospace, semiconductors, optics, telecommunications, energy, etc. The increasing demand for components with ultra-precision accuracy has stimulated the development of ultra-precision machining technology in recent decades. Accordingly, this Special Issue includes reviews and regular research papers on the frontiers of ultra-precision machining and will serve as a platform for the communication of the latest development and innovations of ultra-precision machining technologies.

Technology: general issues --- History of engineering & technology --- fused silica --- small-scale damage --- magnetorheological removing method --- combined repairing process --- evolution law --- diamond grinding --- single crystal silicon --- subsurface damage --- crystal orientation --- spherical shell --- thin-walled part --- wall-thickness --- benchmark coincidence --- data processing --- ultra-precision machining --- computer-controlled optical surfacing --- dwell time algorithm --- removal function --- elementary approximation --- atmospheric pressure plasma jet --- continuous phase plate --- surface topography --- high accuracy and efficiency --- polar microstructures --- optimization --- machining parameters --- cutting strategy --- flexible grinding --- shear thickening fluid --- cluster effect --- high-shear low-pressure --- aluminum --- ion beam sputtering --- morphology evolution --- molecular dynamics --- electrochemical discharge machining (ECDM) --- material removal rate (MRR) --- electrode wear ratio (EWR) --- overcut (OC) --- electrical properties --- tool material --- diamond tool --- single-point diamond turning --- lubricant --- ferrous metal --- electrorheological polishing --- polishing tool --- roughness --- integrated electrode --- Nano-ZrO2 ceramics --- ultra-precision grinding --- surface residual material --- surface quality --- three-dimensional surface roughness --- reversal method --- eccentricity --- piezoelectric actuator --- flange --- dynamic modeling --- surface characterization --- cutting forces --- tool servo diamond cutting --- data-dependent systems --- surface topography variation --- microstructured surfaces --- microlens array --- three-dimensional elliptical vibration cutting --- piezoelectric hysteresis --- Bouc–Wen model --- flower pollination algorithm --- dynamic switching probability strategy --- parameter identification --- atom probe tomography (APT) --- single-wedge --- lift-out --- focused ion beam (FIB) --- Al/Ni multilayers --- vibration-assisted electrochemical machining (ECM) --- blisk --- narrow channel --- high aspect ratio --- multi-physics coupling simulation --- machining stability --- n/a --- Bouc-Wen model

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Advances in miniaturization of sensors, actuators, and smart systems are receiving substantial industrial attention, and a wide variety of transducers are commercially available or with high potential to impact emerging markets. Substituting existing products based on bulk materials, in fields such as automotive, environment, food, robotics, medicine, biotechnology, communications, and other technologies, with reduced size, lower cost, and higher performance, is now possible, with potential for manufacturing using advanced silicon integrated circuits technology or alternative additive techniques from the mili- to the nano-scale. In this Special Issue, which is focused on piezoelectric transducers, a wide range of topics are covered, including the design, fabrication, characterization, packaging, and system integration or final applications of mili/micro/nano-electro-mechanical systems based transducers.

History of engineering & technology --- cylindrical composite --- piezoceramic/epoxy composite --- electromechanical characteristics --- transducer --- piezoelectric actuators --- positioning --- trajectory control --- numerical analysis --- trajectory planning --- square piezoelectric vibrator --- resonance --- piezoelectric diaphragm pump --- flexible support --- piezoelectric resonance pump --- piezoelectric ceramics actuators --- hysteresis modeling --- Bouc–Wen model --- P-type IL --- MFA control --- SM control --- evidence theory --- active vibration control --- piezoelectric smart structure --- piezoelectric material --- multiphysics simulation --- finite element method (FEM) --- fluid–structure interaction (FSI) --- micro electromechanical systems (MEMS) --- traveling waves --- piezoelectric --- microactuator --- MEMS --- piezoelectric current sensing device --- two-wire power cord --- cymbal structure --- force amplification effect --- sensitivity --- ciliary bodies touch beam --- piezoelectric tactile feedback devices --- anisotropic vibration tactile model --- human factor experiment --- nondestructive testing --- maturity method --- concrete early-age strength --- SmartRock --- ultrasonic waves --- PZT (piezoelectric) sensors --- structural health monitoring --- AlN thin film --- piezoelectric effect --- resonant accelerometer --- z-axis --- debonding --- non-destructive testing --- electromechanical impedance --- damage detection --- impedance-based technique --- damage depth --- piezoelectric vibration energy harvester --- frequency up-conversion mechanism --- impact --- PZT thick film --- piezoelectric ceramic materials --- Duhem model --- hysteresis model --- class-C power amplifier --- diode expander --- piezoelectric transducers --- point-of-care ultrasound systems --- transverse impact --- frequency up-conversion --- piezoelectric bimorph --- human-limb motion --- hybrid energy harvester --- cascade-connected transducer --- low frequency --- small size --- finite element --- acoustic telemetry --- measurement while drilling --- energy harvesting --- pipelines --- underwater networks --- wireless sensor networks --- control algorithm --- waterproof --- coating --- reliability --- flexible micro-devices --- aqueous environments --- seawater --- capacitive pressure sensors --- in-situ pressure sensing --- sensor characterization --- physiological applications --- cardiac output --- aluminum nitride --- resonator --- damping --- quality factor --- electromechanical coupling --- implantable middle ear hearing device --- piezoelectric transducer --- stimulating site --- finite element analysis --- hearing compensation --- adaptive lens --- piezoelectric devices --- fluid-structure interaction --- moving mesh --- thermal expansion --- COMSOL --- petroleum acoustical-logging --- piezoelectric cylindrical-shell transducer --- center-frequency --- experimental-measurement --- piezoelectricity --- visual servo control --- stepping motor --- nano-positioner --- stick-slip --- piezoelectric energy harvester --- cut-in wind speed --- cut-out wind speed --- energy conservation method --- critical stress method --- piezoelectric actuator --- lever mechanism --- analytical model --- stick-slip frication --- nanopositioning stage --- piezoelectric hysteresis --- mark point recognition --- piecewise fitting --- compensation control --- piezo-electromagnetic coupling --- up-conversion --- vibration energy harvester --- multi-directional vibration --- low frequency vibration --- hysteresis compensation --- single-neuron adaptive control --- Hebb learning rules --- supervised learning --- vibration-based energy harvesting --- multimodal structures --- frequency tuning --- nonlinear resonator --- bistability --- magnetostatic force --- robot --- miniature --- traveling wave --- leg --- piezoelectric actuators (PEAs) --- asymmetric hysteresis --- Prandtl–Ishlinskii (PI) model --- polynomial-modified PI (PMPI) model --- feedforward hysteresis compensation --- PIN-PMN-PT --- 1-3 composite --- high frequency --- phased array --- n/a --- Bouc-Wen model --- fluid-structure interaction (FSI) --- Prandtl-Ishlinskii (PI) model

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

Advances in miniaturization of sensors, actuators, and smart systems are receiving substantial industrial attention, and a wide variety of transducers are commercially available or with high potential to impact emerging markets. Substituting existing products based on bulk materials, in fields such as automotive, environment, food, robotics, medicine, biotechnology, communications, and other technologies, with reduced size, lower cost, and higher performance, is now possible, with potential for manufacturing using advanced silicon integrated circuits technology or alternative additive techniques from the mili- to the nano-scale. In this Special Issue, which is focused on piezoelectric transducers, a wide range of topics are covered, including the design, fabrication, characterization, packaging, and system integration or final applications of mili/micro/nano-electro-mechanical systems based transducers.

History of engineering & technology --- cylindrical composite --- piezoceramic/epoxy composite --- electromechanical characteristics --- transducer --- piezoelectric actuators --- positioning --- trajectory control --- numerical analysis --- trajectory planning --- square piezoelectric vibrator --- resonance --- piezoelectric diaphragm pump --- flexible support --- piezoelectric resonance pump --- piezoelectric ceramics actuators --- hysteresis modeling --- Bouc-Wen model --- P-type IL --- MFA control --- SM control --- evidence theory --- active vibration control --- piezoelectric smart structure --- piezoelectric material --- multiphysics simulation --- finite element method (FEM) --- fluid-structure interaction (FSI) --- micro electromechanical systems (MEMS) --- traveling waves --- piezoelectric --- microactuator --- MEMS --- piezoelectric current sensing device --- two-wire power cord --- cymbal structure --- force amplification effect --- sensitivity --- ciliary bodies touch beam --- piezoelectric tactile feedback devices --- anisotropic vibration tactile model --- human factor experiment --- nondestructive testing --- maturity method --- concrete early-age strength --- SmartRock --- ultrasonic waves --- PZT (piezoelectric) sensors --- structural health monitoring --- AlN thin film --- piezoelectric effect --- resonant accelerometer --- z-axis --- debonding --- non-destructive testing --- electromechanical impedance --- damage detection --- impedance-based technique --- damage depth --- piezoelectric vibration energy harvester --- frequency up-conversion mechanism --- impact --- PZT thick film --- piezoelectric ceramic materials --- Duhem model --- hysteresis model --- class-C power amplifier --- diode expander --- piezoelectric transducers --- point-of-care ultrasound systems --- transverse impact --- frequency up-conversion --- piezoelectric bimorph --- human-limb motion --- hybrid energy harvester --- cascade-connected transducer --- low frequency --- small size --- finite element --- acoustic telemetry --- measurement while drilling --- energy harvesting --- pipelines --- underwater networks --- wireless sensor networks --- control algorithm --- waterproof --- coating --- reliability --- flexible micro-devices --- aqueous environments --- seawater --- capacitive pressure sensors --- in-situ pressure sensing --- sensor characterization --- physiological applications --- cardiac output --- aluminum nitride --- resonator --- damping --- quality factor --- electromechanical coupling --- implantable middle ear hearing device --- piezoelectric transducer --- stimulating site --- finite element analysis --- hearing compensation --- adaptive lens --- piezoelectric devices --- fluid-structure interaction --- moving mesh --- thermal expansion --- COMSOL --- petroleum acoustical-logging --- piezoelectric cylindrical-shell transducer --- center-frequency --- experimental-measurement --- piezoelectricity --- visual servo control --- stepping motor --- nano-positioner --- stick-slip --- piezoelectric energy harvester --- cut-in wind speed --- cut-out wind speed --- energy conservation method --- critical stress method --- piezoelectric actuator --- lever mechanism --- analytical model --- stick-slip frication --- nanopositioning stage --- piezoelectric hysteresis --- mark point recognition --- piecewise fitting --- compensation control --- piezo-electromagnetic coupling --- up-conversion --- vibration energy harvester --- multi-directional vibration --- low frequency vibration --- hysteresis compensation --- single-neuron adaptive control --- Hebb learning rules --- supervised learning --- vibration-based energy harvesting --- multimodal structures --- frequency tuning --- nonlinear resonator --- bistability --- magnetostatic force --- robot --- miniature --- traveling wave --- leg --- piezoelectric actuators (PEAs) --- asymmetric hysteresis --- Prandtl-Ishlinskii (PI) model --- polynomial-modified PI (PMPI) model --- feedforward hysteresis compensation --- PIN-PMN-PT --- 1-3 composite --- high frequency --- phased array --- cylindrical composite --- piezoceramic/epoxy composite --- electromechanical characteristics --- transducer --- piezoelectric actuators --- positioning --- trajectory control --- numerical analysis --- trajectory planning --- square piezoelectric vibrator --- resonance --- piezoelectric diaphragm pump --- flexible support --- piezoelectric resonance pump --- piezoelectric ceramics actuators --- hysteresis modeling --- Bouc-Wen model --- P-type IL --- MFA control --- SM control --- evidence theory --- active vibration control --- piezoelectric smart structure --- piezoelectric material --- multiphysics simulation --- finite element method (FEM) --- fluid-structure interaction (FSI) --- micro electromechanical systems (MEMS) --- traveling waves --- piezoelectric --- microactuator --- MEMS --- piezoelectric current sensing device --- two-wire power cord --- cymbal structure --- force amplification effect --- sensitivity --- ciliary bodies touch beam --- piezoelectric tactile feedback devices --- anisotropic vibration tactile model --- human factor experiment --- nondestructive testing --- maturity method --- concrete early-age strength --- SmartRock --- ultrasonic waves --- PZT (piezoelectric) sensors --- structural health monitoring --- AlN thin film --- piezoelectric effect --- resonant accelerometer --- z-axis --- debonding --- non-destructive testing --- electromechanical impedance --- damage detection --- impedance-based technique --- damage depth --- piezoelectric vibration energy harvester --- frequency up-conversion mechanism --- impact --- PZT thick film --- piezoelectric ceramic materials --- Duhem model --- hysteresis model --- class-C power amplifier --- diode expander --- piezoelectric transducers --- point-of-care ultrasound systems --- transverse impact --- frequency up-conversion --- piezoelectric bimorph --- human-limb motion --- hybrid energy harvester --- cascade-connected transducer --- low frequency --- small size --- finite element --- acoustic telemetry --- measurement while drilling --- energy harvesting --- pipelines --- underwater networks --- wireless sensor networks --- control algorithm --- waterproof --- coating --- reliability --- flexible micro-devices --- aqueous environments --- seawater --- capacitive pressure sensors --- in-situ pressure sensing --- sensor characterization --- physiological applications --- cardiac output --- aluminum nitride --- resonator --- damping --- quality factor --- electromechanical coupling --- implantable middle ear hearing device --- piezoelectric transducer --- stimulating site --- finite element analysis --- hearing compensation --- adaptive lens --- piezoelectric devices --- fluid-structure interaction --- moving mesh --- thermal expansion --- COMSOL --- petroleum acoustical-logging --- piezoelectric cylindrical-shell transducer --- center-frequency --- experimental-measurement --- piezoelectricity --- visual servo control --- stepping motor --- nano-positioner --- stick-slip --- piezoelectric energy harvester --- cut-in wind speed --- cut-out wind speed --- energy conservation method --- critical stress method --- piezoelectric actuator --- lever mechanism --- analytical model --- stick-slip frication --- nanopositioning stage --- piezoelectric hysteresis --- mark point recognition --- piecewise fitting --- compensation control --- piezo-electromagnetic coupling --- up-conversion --- vibration energy harvester --- multi-directional vibration --- low frequency vibration --- hysteresis compensation --- single-neuron adaptive control --- Hebb learning rules --- supervised learning --- vibration-based energy harvesting --- multimodal structures --- frequency tuning --- nonlinear resonator --- bistability --- magnetostatic force --- robot --- miniature --- traveling wave --- leg --- piezoelectric actuators (PEAs) --- asymmetric hysteresis --- Prandtl-Ishlinskii (PI) model --- polynomial-modified PI (PMPI) model --- feedforward hysteresis compensation --- PIN-PMN-PT --- 1-3 composite --- high frequency --- phased array