Results 111 to 120 of about 16,843,585 (295)

Stanley Field Correspondence, 1912–1915

This correspondence collection is primarily comprised of letters by Stanley Field and Carl Akeley. The contents of the correspondence largely address the African buffalo diorama group and its installation at the Field ...
President. Field Museum of Natural History
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Field oriented control of AC motors

, 2001
In this project, the application of a fuzzy controller in a sensorless field-oriented induction motor control system is proposed.RG 37 ...
Vilathgamuwa, Mahinda
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Electrode and Microstructure Dependence of Oxygen Diffusion in Ferroelectric Hafnium Zirconium Oxide Thin Films

Advanced Functional Materials, EarlyView.
Significant nanoscale oxygen diffusion coefficient variations are measured in ferroelectric hafnium zirconium oxide films with grain boundaries and electrode interfaces exhibiting values 104 times larger than the grain cores. Overall coefficients are 10X larger for films prepared with metal nitride electrodes compared to refractory metals. New insights
Liron Shvilberg, Thomas W. Pfeifer, Chuanzhen Zhou, Yong Kyu Choi, Duk‐Hyun Choe, Patrick E. Hopkins, Jon F. Ihlefeld   +6 more
wiley   +1 more source

Quantifying Subsurface Weak in‐Plane Magnetization of Mixed Phase BiFeO3 by Scanning Nitrogen Vacancy Magnetometry

Advanced Functional Materials, EarlyView.
We use scanning nitrogen vacancy magnetometry to directly image the weak in‐plane magnetic moments in mixed phase BiFeO3 at the nanoscale and quantify the local magnetic moments to be 18.8±2.0 μB/nm2 in the rhombohedral‐like phase and 1.5±0.6 μB/nm2 in the well‐known non‐magnetic tetragonal‐like phase.
Lei Wang, Zhewen Xu, Yuwen Xu, Björn Josteinsson, Simon Josephy, Dawei Zhang, Yunlong Sun, Heung‐Sik Park, Jihun Kim, Kanghyun Chu, Kyung Song, Danyang Wang, Chan‐Ho Yang, Andrea Morales, Jan Seidel   +14 more
wiley   +1 more source

Comparison of Field Oriented Control and Direct Torque Control

Field oriented control (FOC) and Direct torque control (DTC) are the two most popular vector control methods for electric motor drives. FOC uses linear controllers and pulse width modulation (PWM) to control the fundamental components of the load voltage.
Mirza Abdul Waris Begh, Hans-Georg Herzog   +1 more
openaire   +1 more source

Glissile Interphase Boundaries Enable Collective Phase Switching in Epitaxial Polar Oxides

Advanced Functional Materials, EarlyView.
A triple point is identified in the phase diagram of low‐symmetry epitaxial BiFeO3 thin film along with an extended regime of phase competition associated with a flattened energy landscape. The electromechanical response is shown to be governed by correlated interphase‐boundary motion, including scale‐free avalanche dynamics characteristic of systems ...
Mohammad Moein Seyfouri, Oliver Paull, Ralph Bulanadi, Yasuhiro Sakamoto, Shintaro Yasui, Mikayla Lord, Mahak Chhabra, David Walker, Patrycja Paruch, Shery Chang, Nagarajan Valanoor, Daniel Sando   +11 more
wiley   +1 more source

The inverse gamma model in field oriented control [PDF]

, 1992
In order to control a three-phase induction motor in a similar fashion to that of a DC machine, the induction motor equivalent circuit must be analyzed in terms of torque and field current quantities.
Smith, Richard B.
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Advances in Sustainable and Wearable Textile Based Soft Robotics

Advanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas, Marzia Dulal, Sophia K. Novoselov, Victoria K. Novoselov, Kostya S. Novoselov, Shaila Afroj, Nazmul Karim   +6 more
wiley   +1 more source

Hospitalization of Field Museum

, 1918
Memorandum specification completed by the architectural firm Graham, Anderson, Probst and White for the trustees of the Field Museum. The specification was developed to outline the construction and finishing work for converting the existing ...
Graham, Anderson, Probst and White
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Other title: Popularly known as: Liquor control decision; Other title: At head of title: State of Connecticut, Department of Consumer Protection, before the Liquor Control Commission

, 2020
Irregular; Some issues lack docket or permit number.; Prepared for Connecticut. Liquor Control Commission by Connecticut. Liquor Control Division,
Connecticut. Liquor Control Commission.
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