Results 31 to 40 of about 3,580,269 (281)

Clickers in a Flipped Lab; feedback to enhance engagement in first year Science. [PDF]

open access: yes, 2017
Anecdotal evidence from lecturers engaged in teaching practical’s is that there is very little if any interaction from the students with the pre-lab reading resources as posted on Moodle or in the laboratory manuals provided at the beginning of the
O'Brien, Anne Marie
core   +1 more source

Real-time Near-infrared Virtual Intraoperative Surgical Photoacoustic Microscopy

open access: yesPhotoacoustics, 2015
We developed a near infrared (NIR) virtual intraoperative surgical photoacoustic microscopy (NIR-VISPAM) system that combines a conventional surgical microscope and an NIR light photoacoustic microscopy (PAM) system.
Changho Lee   +4 more
doaj   +1 more source

Optical Coherent Feedback Control of a Mechanical Oscillator

open access: yesPhysical Review X, 2023
Feedback is a powerful and ubiquitous technique both in classical and quantum system control. Its standard implementation relies on measuring the state of a system, processing the classical signal, and feeding it back to the system.
Maryse Ernzer   +7 more
doaj   +1 more source

Predictive feedback control and Fitts' law [PDF]

open access: yes, 2008
Fitts’ law is a well established empirical formula, known for encapsulating the “speed-accuracy trade-off”. For discrete, manual movements from a starting location to a target, Fitts’ law relates movement duration to the distance moved and target size ...
Loram, I.   +5 more
core   +1 more source

Sliding mode learning control for uncertain mechanical system: A dynamic output feedback approach

open access: yesMeasurement + Control, 2020
In this article, a dynamic output feedback based sliding mode learning control is proposed for uncertain mechanical system. After giving the model of uncertain mechanical system, the uncertainty and disturbance of it are discussed and they are assumed to
Zhiguo Liu   +3 more
doaj   +1 more source

Adaptive output feedback control of aircraft flexible modes [PDF]

open access: yes, 2012
The application of adaptive output feedback augmentative control to the flexible aircraft problem is presented. Experimental validation of control scheme was carried out using a three disk torsional pendulum.
Joel Bordeneuvue Guibe   +3 more
core   +1 more source

Multimode cold-damping optomechanics with delayed feedback

open access: yesPhysical Review Research, 2020
We investigate the role of time delay in cold-damping optomechanics with multiple mechanical resonances. For instantaneous electronic response, it was recently shown by C. Sommer and C. Genes [Phys. Rev. Lett.
Christian Sommer   +2 more
doaj   +1 more source

Robust decoupled synchronization control of dual‐motor servo systems by mechanical parameter identification

open access: yesIET Power Electronics, 2022
In the dual‐motor servo system driven by permanent magnet linear synchronous motor, a synchronous control strategy based on coupling parameter identification algorithm and feedback linearization decoupling controller is proposed to overcome the influence
Kang Zhang, Limei Wang, Xin Fang
doaj   +1 more source

Mechanisms of Feedback Regulation of Vitamin A Metabolism

open access: yesNutrients, 2022
Vitamin A is an essential nutrient required throughout life. Through its various metabolites, vitamin A sustains fetal development, immunity, vision, and the maintenance, regulation, and repair of adult tissues. Abnormal tissue levels of the vitamin A metabolite, retinoic acid, can result in detrimental effects which can include congenital defects ...
Catherine O’Connor   +2 more
openaire   +2 more sources

Context-dependent feedback prioritisation in exploratory learning revisited [PDF]

open access: yes, 2011
The open nature of exploratory learning leads to situations when feedback is needed to address several conceptual difficulties. Not all, however, can be addressed at the same time, as this would lead to cognitive overload and confuse the learner rather ...
Mihaela Cocea   +4 more
core   +1 more source

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