Results 91 to 100 of about 1,174,241 (301)

Ionomycin suppresses cancer cell growth by disrupting mitochondrial transcription

open access: yesFEBS Open Bio, EarlyView.
In this study, we identify a new function for the selective Ca2+ ionophore, ionomycin, as an inhibitor of mitochondrial transcription. Both total and nascent RNA analyses revealed that ionomycin treatment reduces the transcription of mitochondrial genes.
Lishen Wang   +10 more
wiley   +1 more source

Differential flatness theory-based approach to the control of gas-turbine electric power generation units

open access: yes, 2020
A differential flatness theory-based control and state estimation method has been developed for electric power units that consist of synchronous generators connected to gas turbines.
Rigatos G.   +4 more
core   +1 more source

Differential Flatness of Lifting-Wing Quadcopters Subject to Drag and Lift for Accurate Tracking [PDF]

open access: yes, 2022
In this paper, we propose an effective unified control law for accurately tracking agile trajectories for lifting-wing quadcopters with different installation angles, which have the capability of vertical takeoff and landing (VTOL) as well as high-speed ...
Quan, Quan, Wang, Shuai, Gao, Wenhan
core  

Design of Controller for MMC-RPC Based on Differential Flatness Control Theory

open access: yes机车电传动, 2017
In order to improve the anti-disturbance performance and achieve more accurate control effect of MMC-RPC, a dynamic mathematical model was established for the railway static power conditioner (RPC) by using the modular multilevel converter (MMC ...
SONG Pinggang   +4 more
doaj  

Optimizing photoexcitation conditions for time‐resolved X‐ray solution scattering experiments

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering (TR‐XSS) is a powerful technique to visualize how proteins change their structure in real time after light activation. Selecting the right laser photoexcitation conditions—fluence, excitation geometry, and sample refresh rate—is critical to maximize the experimental signal while avoiding unwanted side effects ...
Matteo Levantino
wiley   +1 more source

Point Mass Planning and NMPC Tracking for Time-Optimal Agile Quadrotor Gate Navigation

open access: yesIEEE Access
Time-optimal agile flight through a sequence of three-dimensional gates requires a consistent coupling between trajectory planning and tracking control. Point-mass planners offer fast numerical solutions for free-final-time optimisation, but the value of
Bryan S. Guevara   +2 more
doaj   +1 more source

In silico and in vitro exploration of a tyrosinase for biocatalytic production of catechols

open access: yesFEBS Open Bio, EarlyView.
Tyrosinase from Ralstonia pseudosolanacearum is a promising biocatalyst for producing valuable catechols from monophenol substrates. This tyrosinase is uniquely suited to this due to its high monophenolase : diphenolase ratio. We combined in silico docking and in vivo kinetic characterisation of this tyrosinase with 11 industrially relevant monophenols,
James Britton   +6 more
wiley   +1 more source

Maximum flat digital differentiator

open access: yesElectronics Letters, 1991
A simple way of calculating the weighting coefficients for the maximum flat digital FIR differentiator is presented. A relation with interpolating polynomials is also established.
openaire   +1 more source

Improvement of Flatness for Nonlocal Phase Transitions

open access: yes, 2020
We establish an improvement of flatness result for critical points of Ginzburg-Landau energies with long-range interactions. It applies in particular to solutions of $(-\Delta)^{s/2}u=u-u^3$ in $\Bbb{R}^n$ with $s\in(0,1)$.
Dipierro, Serena   +2 more
core   +1 more source

Intensive care unit occupancy predictions in the COVID-19 pandemic based on age-structured modelling and differential flatness. [PDF]

open access: yesNonlinear Dyn, 2022
Hametner C   +9 more
europepmc   +1 more source

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