Results 61 to 70 of about 955,636 (307)

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Recent Advances in Arc-linear Motors for Direct-drive Applications: A Review

open access: yesCES Transactions on Electrical Machines and Systems
The arc-linear motor (ALM) is a new type of special motor derived from the linear motor, which has the merits of high torque, compact structure and fast dynamic response.
Zhenbao Pan   +4 more
doaj   +1 more source

Design and Control of New Brake-by-Wire Actuator for Vehicle Based on Linear Motor and Lever Mechanism

open access: yesIEEE Access, 2021
The brake-by-wire actuator was considered to be the next generation of vehicle brake, which uses cables to transmit signals and energy, and uses electric motor instead of hydraulic element or pneumatic element.
Fei Xiao   +5 more
doaj   +1 more source

Inertial reference unit [PDF]

open access: yes, 1972
Unit provides rate damping, linear velocity changes and angular position information to attitude control system during turns and motor ...
Crawford, R. A.
core   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

A New Approach to Detect Mover Position in Linear Motors Using Magnetic Sensors

open access: yesSensors, 2015
A new method to detect the mover position of a linear motor is proposed in this paper. This method employs a simple cheap Hall Effect sensor-based magnetic sensor unit to detect the mover position of the linear motor.
Sarbajit Paul, Junghwan Chang
doaj   +1 more source

Resonant Combustion Start Considering Potential Energy of Free-Piston Engine Generator

open access: yesEnergies, 2020
Free-piston engine generators without a crank mechanism are expected to be used in series hybrid vehicles because of their lower losses. The series hybrid system requires a low starting thrust because the engine frequently starts depending on the battery
Mitsuhide Sato   +3 more
doaj   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

Design of a Predictive Controller for the Current Loop of the Tubular Linear Motor Using a Discrete Model

open access: yesInternational Transactions on Electrical Engineering and Computer Science
This article proposes a control strategy based on a Constrained Control Set Model Predictive Controller (CCS-MPC) to optimize the control signal while adhering to output limitations.
Nguyen Trung Thanh   +3 more
doaj   +1 more source

Research on Inductance Unbalance and Thrust Ripple Suppression of Slot-Less Tubular Permanent Magnet Synchronous Linear Motor

open access: yesIEEE Access, 2018
Affected by the end effect, the inductances of the slot-less tubular permanent magnet synchronous linear motor (TPMSLM) are unbalanced. This paper reports the research on the inductance unbalance and the thrust ripple characteristics for the slot-less ...
Qiang Tan   +3 more
doaj   +1 more source

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