نتایج جستجو برای: impedance estimation
تعداد نتایج: 297510 فیلتر نتایج به سال:
This paper proposes a new bilateral control scheme to ensure the both transparency and robust stability under unknown constant time delay in stiff environments. Presented method guaranties system performance and robust stability while the transition between soft and stiff environments occur. Presented framework is a combination of adaptive sliding mode controller and adaptive impedance controll...
Various non-invasive methods are available to measure cardiac output (CO) during pregnancy. We compared serial measures of CO using various methods to determine which provided the least variability. Ten patients with spontaneous pregnancy had estimation of CO at baseline prior to becoming pregnant and at the end of the first and third trimesters. Echocardiographic data were used to estimate CO ...
In earlier studies we found that the three-element windkessel, although an almost perfect load for isolated heart studies, does not lead to accurate estimates of total arterial compliance. To overcome this problem, we introduce an inertial term in parallel with the characteristic impedance. In seven dogs we found that ascending aortic pressure could be predicted better from aortic flow by using...
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