Results 61 to 70 of about 60,012 (291)

Improve LADRC Strategy for Variable Air Gap Permanent Magnetic Levitation System

IEEE Access
Aiming to address the shortcomings of the single-point variable air gap permanent magnetic levitation system in terms of dynamic performance and anti-disturbance capabilities, an improved linear active disturbance rejection control (ILADRC) strategy is ...
Hongkui Zhang, Qinwei Zhang, Hang Shen, Yipeng Lan, Jiaqi Wen, Chuan Zhao   +5 more
doaj   +1 more source

Gearshift performance improvement for an electromagnetic gearshift system based on optimized active disturbance rejection control method

Advances in Mechanical Engineering, 2019
Electric automated manual transmission usually adopts direct current motors and intermediate gearings to accomplish gear change. The structure can be simplified further to achieve better dynamic response and mechanical efficiency. A new type of gearshift
Shusen Lin, Bo Li, Weidong Jiao
doaj   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

Research on variable mass control of series manipulator based on linear active disturbance rejection control

Measurement + Control, 2020
The series manipulator of the demolition robot has different working postures and large self-weight so that the bearing mass of the joint hydraulic cylinder is a variable value, and the change of mass affects the dynamic characteristics of the valve ...
Jianzhong Huang, Yuwan Cen
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Disturbance Attenuation in a Magnetic Levitation System with Acceleration Feedback [PDF]

, 2011
The objective of this work is to demonstrate the use of acceleration feedback to improve the performance of a maglev system, especially in disturbance attenuation.
Kevin, Craig, Nagurka, Mark L., Tian, Feng   +2 more
core   +1 more source

Microfluidic Hydroporation Platform for Effective Allogeneic CAR‐T Cell Production and Subsequent Functional Cytotoxicity Analysis

Advanced Materials Technologies, EarlyView.
The hydroporator platform employs controlled hydrodynamic deformation for efficient mRNA and CRISPR/Cas9 delivery into primary human T cells, enabling allogeneic CAR‐T cell manufacturing. It preserves cell functionality and drives potent gene editing, CAR expression, and tumor cytotoxicity, while feature‐based analysis links these functional outcomes ...
Soohyun Jeon, Sein Kim, Hyun‐Young Kim, Duck Cho, Sungsu Park, Seohyun Kim, Aram J. Chung   +6 more
wiley   +1 more source

Cascade linear extended-state observer active disturbance rejection control for DAB optimized with current stress [PDF]

AIP Advances
To enhance the disturbance rejection capability of the dual-active-bridge controller, this paper proposes an improved linear active disturbance rejection control scheme combined with current stress optimization.
Yu Yu, Shuyuan Li, Lei Yuan, Anfei Xu, Hao Xu   +4 more
doaj   +1 more source

Research on Aircraft Attitude Control Method Based on Linear Active Disturbance Rejection

International Journal of Aerospace Engineering, 2022
In this paper, a dual-loop active disturbance rejection attitude controller design method is proposed for the attitude control of aircraft. Firstly, based on the nonlinear dynamic model of aircraft, the control system model with inner loop as angular ...
Zhiguo Song, Changjian Zhao, Huiqiang Zhang, Tian Dong, Aojia Ma, Dawei Yan   +5 more
doaj   +1 more source

Self-adaptive loop for external disturbance reduction in differential measurement set-up

, 2018
We present a method developed to actively compensate common-mode magnetic disturbances on a multi-sensor device devoted to differential measurements.
Bevilacqua, Giuseppe, Biancalana, Valerio, Dancheva, Yordanka, Vigilante, Antonio   +3 more
core   +1 more source