Results 101 to 110 of about 2,186 (200)

TGF-β1/IL-11/MEK/ERK signaling mediates senescence-associated pulmonary fibrosis in a stress-induced premature senescence model of Bmi-1 deficiency

Experimental and Molecular Medicine, 2020
To study whether TGF-β1/IL-11/MEK/ERK (TIME) signaling mediates senescence-associated pulmonary fibrosis (SAPF) in Bmi-1-deficient (Bmi-1−/−) mice and determines the major downstream mediator of Bmi-1 and crosstalk between p16INK4a and reactive oxygen ...
Haiyun Chen, Hongjie Chen, Jialong Liang, Xin Gu, Jiawen Zhou, Chunfeng Xie, Xianhui Lv, Rong Wang, Qing Li, Zhiyuan Mao, Haijian Sun, Guoping Zuo, Dengshun Miao, Jianliang Jin   +13 more
doaj   +1 more source

Optimization of Phase jump angle of Series Active Power Filter (SAPF)

International Journal of Engineering Research, 2014
This paper deals with the optimization of phase jump angle of series active power filter by using particle swarm optimization technique and series active power filter compensates supply voltage distortions/unbalance, supply voltage harmonics in a view as such they do not reach at the load end with very low THD in load voltage.
P.Vasudeva Naidu, M.Bindu Priya, K.Gokul Sai Krishna   +2 more
openaire   +1 more source

An Obstacle Avoidance Strategy for AUV Based on State-Tracking Collision Detection and Improved Artificial Potential Field

Journal of Marine Science and Engineering
This paper proposes a fusion algorithm based on state-tracking collision detection and the simulated annealing potential field (SCD-SAPF) to address the challenges of obstacle avoidance for autonomous underwater vehicles (AUVs) in dynamic environments ...
Yueming Li, Yuhao Ma, Jian Cao, Changyi Yin, Xiangyi Ma   +4 more
doaj   +1 more source

A Refined Self-Tuning Filter-Based Instantaneous Power Theory Algorithm for Indirect Current Controlled Three-Level Inverter-Based Shunt Active Power Filters under Non-sinusoidal Source Voltage Conditions

Energies, 2017
In this paper, a refined reference current generation algorithm based on instantaneous power (pq) theory is proposed, for operation of an indirect current controlled (ICC) three-level neutral-point diode clamped (NPC) inverter-based shunt active power ...
Yap Hoon, Mohd Amran Mohd Radzi, Mohd Khair Hassan, Nashiren Farzilah Mailah   +3 more
doaj   +1 more source

A Lyapunov Stability Theory-Based Control Strategy for Three-Level Shunt Active Power Filter

Energies, 2017
The three-phase three-wire neutral-point-clamped shunt active power filter (NPC-SAPF), which most adopts classical closed-loop feedback control methods such as proportional-integral (PI), proportional-resonant (PR) and repetitive control, can only output
Yijia Cao, Yong Xu, Yong Li, Jiaqi Yu, Jingrong Yu   +4 more
doaj   +1 more source

Power Quality Comparative Analysis between UPF and SAPF

Journal of Energy and Power Engineering, 2021
null Nicolae Badea, null Alexandru Dusa, null Nicu Roman   +2 more
openaire   +1 more source

Improvement of the Source Current Quality for a Shunt Active Power Filter Operating Using Hysteresis Technique with Stabilized Switching Frequency

Energies
Determining the current reference for a shunt active power filter (SAPF) can be carried out in many ways. Once the reference is determined, it can be shaped by SAPF switches with the use of pulse width modulation (PWM)/hysteresis control techniques ...
Andrzej Szromba
doaj   +1 more source

Development of Shunt Active Power Filter for Harmonic Reduction using Synchronous Reference Frame with Space Vector Pulse Width Modulation

Nigerian Journal of Technological Development, 2020
The work aims at development of Shunt Active Power Filter (SAPF) for harmonic reduction. The current harmonics are being caused by nonlinear characteristic of power electronics based equipments which increase power losses and in turn reduce power quality.
Sijuwade Akanni Akintade, Yusuf Jibril, Adamu Saidu Abubakar   +2 more
doaj  

On Integration Policies and Schooling [PDF]

This paper proposes a reform for school allocation procedures in order to help integration policies reach their objective. For this purpose, we suggest the use of a natural two-step mechanism. The (stable) first step is introduced as an adaptation of the
Alcalde, Jose, Subiza, Begoña
core   +1 more source

Impacts of the global crisis period 2007- 2010 on the automotive industry in the Czech Republic [PDF]

, 2017
The main aim of this article was to analyse the possible intensity of dependency of the Czech Republic, or more precisely, its total economic indicator Gross Domestic Product on realized Sales sector of the automotive industry before crisis, during the ...
Sedláček, Marek
core