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Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 7/2017, Volume 114, Issue 28, pp. 7250 - 7253
Long-range acoustic communication is crucial to underwater applications such as collection of scientific data from benthic stations, ocean geology, and remote... 
High spectral efficiency | Multiplexing | Demultiplexing | Orbital angular momentum | High-speed acoustic communication | multiplexing | MULTIDISCIPLINARY SCIENCES | demultiplexing | LIGHT-PROPAGATION | ULTRAVIOLET | orbital angular momentum | high-speed acoustic communication | high spectral efficiency | MODULATED LIGHT | Physics | Physical Sciences
Journal Article
Journal Article
IEEE Transactions on Energy Conversion, ISSN 0885-8969, 09/2016, Volume 31, Issue 3, pp. 993 - 1001
Journal Article
Physical Review D, ISSN 0556-2821, 08/2004, Volume 70, Issue 4
We show that cosmic acceleration can arise due to very tiny corrections to the usual gravitational action of general relativity, of the form R-n with n>0. This... 
ANGULAR POWER SPECTRUM | MODELS | INFLATION | ASTRONOMY & ASTROPHYSICS | PROBE WMAP OBSERVATIONS | COSMOLOGICAL CONSEQUENCES | SCALAR FIELD | SUPERNOVAE | UNIVERSE | HIGHER-ORDER GRAVITY | LAMBDA | PHYSICS, PARTICLES & FIELDS
Journal Article
Mechanical Systems and Signal Processing, ISSN 0888-3270, 12/2016, Volume 81, pp. 375 - 386
The aim of this work is to propose a novel approach for the estimation of the Instantaneous Angular Speed (IAS) of rotating machines from vibration... 
Wind turbines | Order tracking | Virtual tacho | Instantaneous Angular Speed | Demodulation
Journal Article
Optimal Control Applications and Methods, ISSN 0143-2087, 11/2017, Volume 38, Issue 6, pp. 949 - 955
Summary In this paper, a kind of sensorless speed H∞ control method for PMSM based on energy function is researched. In order to control the angular speed of... 
permanent magnet synchronous motors | energy function | sensorless speed control | H∞ control | H | control | MATHEMATICS, APPLIED | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | H control | OBSERVER | INDUCTION-MOTOR | DRIVE | AUTOMATION & CONTROL SYSTEMS | Angular speed | Variations | Simulation | Computer simulation
Journal Article
Chemical Engineering & Technology, ISSN 0930-7516, 12/2018, Volume 41, Issue 12, pp. 2375 - 2384
A sharp reduction of the energy consumption of a high‐speed centrifuge was obtained following several design changes, while still maintaining separation... 
High‐speed centrifuge | Disc‐stack centrifuge | Energy reduction | Separator | High-speed centrifuge | Disc-stack centrifuge | ENGINEERING, CHEMICAL | Energy consumption | Energy conservation | Flow paths | Reduction | Internal flow | Belt drives | Pressure drop | Angular momentum | Flow velocity
Journal Article
Precision Engineering, ISSN 0141-6359, 04/2015, Volume 40, pp. 182 - 188
•An automatic variable preload system is proposed that changes the preload on the bearings as a function of rotational speed.•This system is based on the use... 
Centrifugal force | Variable preload | High speed spindle | Angular contact bearing | INSTRUMENTS & INSTRUMENTATION | ENGINEERING, MULTIDISCIPLINARY | DEVICE | NANOSCIENCE & NANOTECHNOLOGY | BEARING | ENGINEERING, MANUFACTURING | Bearings | High speed | Mathematical models | Stiffness | Contact angle | Mechanical systems | Rotational | Spindles
Journal Article
Mechanical Systems and Signal Processing, ISSN 0888-3270, 01/2018, Volume 98, pp. 16 - 31
•KLPD can accurately estimate instantaneous angular speed of machine.•RTSA is able to remove the operation-related IAS components.•An IAS model for planetary... 
Health monitoring | Fault diagnosis | Instantaneous angular speed | Planetary gearbox | Local polynomial differentiator | FAULT-DIAGNOSIS | ENGINE | VIBRATION ANALYSIS | ANGULAR SPEED | ENGINEERING, MECHANICAL | WIND TURBINE GEARBOX | LOAD CONDITIONS | Mechanical engineering | Machinery | Magneto-electric machines
Journal Article
MECHANICAL SYSTEMS AND SIGNAL PROCESSING, ISSN 0888-3270, 12/2016, Volume 81, pp. 375 - 386
The aim of this work is to propose a novel approach for the estimation of the Instantaneous Angular Speed (IAS) of rotating machines from vibration... 
SIGNAL | TIME-FREQUENCY ANALYSIS | COMPONENTS | VIBRATION ANALYSIS | CYCLOSTATIONARITY | Order tracking | Virtual tacho | ENGINEERING, MECHANICAL | Instantaneous Angular Speed | GEARBOX | ACCELERATION | METHODOLOGY | FAULT-DETECTION | Wind turbines | SEPARATION | Demodulation | Contests | Analysis | Air-turbines | Angular speed | Harmonics | Tracking | Spectra | Diagnosis | Meshing | Mechanical systems | Mechanics | Acoustics | Physics
Journal Article
Mechanical Systems and Signal Processing, ISSN 0888-3270, 10/2013, Volume 40, Issue 1, pp. 76 - 90
Order tracking is considered as a classic and effective technique of the non-stationary vibration analysis for rotating machinery. Traditionally, a tachometer... 
Hilbert transform | Chirplet transform | Order tracking | Vold–Kalman filter | Vold-Kalman filter | FLUCTUATING LOAD CONDITIONS | LOCAL FAULT-DETECTION | FILTER | SIGNALS | Chirpier transform | TIME | DIAGNOSTICS | ENGINEERING, MECHANICAL | GEARBOX | Analysis | Methods | Vibration | Angular position
Journal Article