Results 51 to 60 of about 40,667 (248)

Design of Pulse Width Modulation of Intelligent Control System of Vibration Stress Relief

Gong-kuang zidonghua, 2012
The paper analyzed problems existed in realizing pulse width modulation of intelligent control system of vibration stress relief which includes short timing time of the single-chip microcomputer, method of initial value writing of the timer and low ...
WANG An-ming
doaj  

Trap‐Modified Inverted Organic Photodetectors via Layer‐by‐Layer Processing with Poly(N‐vinylcarbazole) Additives

Advanced Functional Materials, EarlyView.
Trap state engineering in inverted organic photodetectors (OPDs) is achieved via combined layer‐by‐layer (LbL) processing and poly(N‐vinylcarbazole) (PVK) incorporation. LbL reduces the trap density while PVK additives gradually shift trap states from shallow band‐edge to deep mid‐gap levels, tailoring the energy distribution.
Jingwei Yi, Yi Yang, Yusen Pei, Apurva Gadikar, Vahid Mahdikhah, Myratgeldi Kotyrov, Seung Hyun Kim, Kenan Gundogdu, Wei You, Harald Ade, Franky So   +10 more
wiley   +1 more source

Pulse-Width Modulation Regulators

, 2016
In the present chapter, the results of Chap. 10 are developed for power supply systems with boost and buckndash;boost converters. Regime parameters of converter are determined relatively to the maximum permissible load voltage and the control pulse width.
Penin, A.A., Penin, A.
openaire   +2 more sources

Spatiotemporal Plasma–Mediated Laser Fabrication of Ultrahigh‐Aspect‐Ratio Nanochannel Arrays for Vertical Perovskite Nanowire Semiconductor Devices

Advanced Functional Materials, EarlyView.
A spatiotemporal plasma–mediated laser processing approach is developed to fabricate ultrahigh–aspect ratio nanochannel arrays and corresponding perovskite nanowire arrays within transparent materials for optoelectronics devices. The laser‐fabricated nanochannels serve as templates for controlled perovskite infiltration and crystallization, enabling ...
Taijin Wang, Lingfeng Wang, Feng Liu, Gary J. Cheng   +3 more
wiley   +1 more source

An innovative 11-level multilevel inverter topology with rotating trapezoidal SPWM for industrial and renewable applications

Scientific Reports
This paper provides a new, less complex multilevel inverter topology that can be used for industrial loads and renewable energy sources. The arrangement consists of eight switches to produce an 11-level output voltage with two uneven input sources ...
Shaik. Shakeera, K. Rachananjali
doaj   +1 more source

Losses analysis of soft magnetic ring core under sinusoidal pulse width modulation (SPWM) and space vector pulse width modulation (SVPWM) excitations

AIP Advances, 2018
Practical core losses in electrical machines differ significantly from those experimental results using the standardized measurement method, i.e. Epstein Frame method.
Hezhe Gao, Yongjian Li, Shanming Wang, Jianguo Zhu, Qingxin Yang, Changgeng Zhang, Jingsong Li   +6 more
doaj   +1 more source

Fully Bio‐Based Gelatin Organohydrogels via Enzymatic Crosslinking for Sustainable Soft Strain and Temperature Sensing

Advanced Functional Materials, EarlyView.
Enzymatically crosslinked gelatin‐based organohydrogels, fabricated through a fully bio‐based and scalable process, exhibit exceptional strain and temperature sensing capabilities with minimal interference from environmental humidity. These transparent, stretchable, and ionically conductive materials operate without synthetic fillers or dopants.
Pietro Tordi, Adrián Tamayo, Yeonsu Jeong, Bin Han, Tamer Al Kayal, Aida Cavallo, Massimo Bonini, Paolo Samorì   +7 more
wiley   +1 more source

Reconfiguration of a Multilevel Inverter with Trapezoidal Pulse Width Modulation

Energies, 2018
This paper presents different multi-carrier unipolar trapezoidal pulse width modulation strategies for a reduced switch asymmetrical multilevel inverter.
Nataraj Prabaharan, V. Arun, Padmanaban Sanjeevikumar, Lucian Mihet-Popa, Frede Blaabjerg   +4 more
doaj   +1 more source

Optimal time-domain pulse width modulation for three-phase inverters

AIP Advances, 2020
An optimal time-domain technique for pulse-width modulation (PWM) in three-phase inverters is presented. This technique is based on the time-domain per phase analysis of three-phase inverters for linear, balanced output load circuits.
Siddharth Tyagi, Isaak Mayergoyz
doaj   +1 more source

Alkali Ion‐Incorporated HfO2 Dielectrics for Reconfigurable Neuromorphic Computing

Advanced Functional Materials, EarlyView.
This work presents an indium gallium zinc oxide (IGZO) transistor with an alkali cation‐integrated hafnium dioxide (HfO2) dielectric exhibiting synaptic behavior via ion retention. The solution‐based film fabrication strategy overcomes the limitations of atomic layer deposition (ALD) and precursor coating, enabling the control of synaptic retention ...
Seung Yeon Ki, In Cheol Kwak, Seonkwon Kim, Jihyun Kim, Dong Gue Roe, Se‐Jin Kim, Joohoon Kang, Jeong Ho Cho   +7 more
wiley   +1 more source