Results 101 to 110 of about 883,688 (342)

Virtual Estimator for Piecewise Linear Systems Based on Observability Analysis

open access: yesSensors, 2013
This article proposes a virtual sensor for piecewise linear systems based on observability analysis that is in function of a commutation law related with the system’s outpu. This virtual sensor is also known as a state estimator.
Ilse Cervantes   +4 more
doaj   +1 more source

Wearable exoskeleton robot control using radial basis function‐based fixed‐time terminal sliding mode with prescribed performance

open access: yesAsian Journal of Control, EarlyView.
Abstract This paper tackles the problem of robust and accurate fixed‐time tracking in human–robot interaction and deals with uncertainties. This work introduces a control approach for a wearable exoskeleton designed specifically for rehabilitation tasks.
Mahmoud Abdallah   +4 more
wiley   +1 more source

The Reformulation-based aGO Algorithm for Solving Nonconvex MINLP Problems – Some Improvements

open access: yesChemical Engineering Transactions, 2013
The a-reformulation (aR) technique can be used to transform any nonconvex twice-differentiable mixed-integer nonlinear programming problem to a convex relaxed form.
A. Lundell, T. Westerlund
doaj   +1 more source

Risk‐aware safe reinforcement learning for control of stochastic linear systems

open access: yesAsian Journal of Control, EarlyView.
Abstract This paper presents a risk‐aware safe reinforcement learning (RL) control design for stochastic discrete‐time linear systems. Rather than using a safety certifier to myopically intervene with the RL controller, a risk‐informed safe controller is also learned besides the RL controller, and the RL and safe controllers are combined together ...
Babak Esmaeili   +2 more
wiley   +1 more source

Performance of large virus removal filters during AAV processing: Influence of flux and process disruptions

open access: yesBiotechnology Progress, EarlyView.
Abstract As adeno‐associated viral vectors (AAV) continue to advance through the clinical pipeline, effective downstream purification strategies must be developed to ensure bulk drug purity and safety. AAV are produced within mammalian cells, bringing forth risks associated with viral contamination.
Akshay S. Chaubal   +5 more
wiley   +1 more source

Positive definiteness of piecewise-linear function

open access: yesExpositiones Mathematicae, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Manov, Anatoliy, Zastavnyi, Viktor
openaire   +2 more sources

Advanced control of non‐isothermal axial dispersion tubular reactors with recycle‐induced state delay

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract We develop a delay‐aware estimation and control framework for a non‐isothermal axial dispersion tubular reactor modelled as a coupled parabolic‐hyperbolic PDE system with recycle‐induced state delay. The infinite‐dimensional dynamics are preserved without spatial discretization by representing the delay as a transport PDE and adopting a late ...
Behrad Moadeli, Stevan Dubljevic
wiley   +1 more source

Joint flood control operation of Upper Yangtze River based on dynamic weight of system safety degree

open access: yesE3S Web of Conferences, 2018
At flood season, reservoir can guarantee the power generation and other benefit only under the premise of ensuring its own safety and the safety of middle and lower reaches of river basin.
Li Zhenghe   +3 more
doaj   +1 more source

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