A multiple model based observer/estimator for the estimation of parameters is used to reset the parameter estimation in a conventional Lyapunov based nonlinear adaptive controller. The advantage of combining both approaches is that the performance of the controller with respect to disturbances can be considerably improved while a reduced controller gain will increase the robustness of the appro...

The practice of resetting strike prices on underwater executive stock options has drawn criticism for weakening managerial incentives. Our model shows that although the anticipation of resetting can negatively a ect initial incentives, resetting can still be an important, value-enhancing aspect of compensation contracts, even from an ex-ante standpoint. In fact, we nd that some resetting is alm...

BACKGROUND Resetting has been used to characterize reentrant circuits causing clinical tachycardias. METHODS AND RESULTS To determine the mechanisms of resetting, sustained ventricular tachycardia was induced in dogs with 4-day-old myocardial infarctions by programmed stimulation. Premature stimulation was accomplished from multiple regions within reentrant circuits; resetting curves were con...

Bursting oscillations are common in neurons and endocrine cells. One type of bursting model with two slow variables has been called 'phantom bursting' since the burst period is a blend of the time constants of the slow variables. A phantom bursting model can produce bursting with a wide range of periods: fast (short period), medium, and slow (long period). We describe a measure, which we call t...

A two-dimensional (2-D) state-space self-tuning control (STC) scheme for multi-input multi-output (MIMO) linear discrete-time stochastic systems with actuator faults has been developed in this paper. To develop the 2-D state-space STC design, the 2-D linear discrete-time stochastic system is transformed to, and treated as, a two-dimensional Roesser’s (2D-RM) model. A 2-D state-space STC methodo...

Abstract Starting from a frequency diffusion process for tagged photon which simulates relaxation to the Planck law, we introduce resetting where photons lower their at random times. We consider two versions, one low is independent of existing and second case reduction in scales with original frequency. The result nonlinear Markov stationary distribution modifies law by abundance low-frequency ...

Changes in conditioning mean arterial pressure (cMAP) selectively alter the set point of arterial baroreceptors and baroreflexes without affecting gain. Changes in smooth muscle tone at constant cMAPs shift the pressure-discharge curves of aortic baroreceptors in a similar manner. Using an in vitro preparation of the rat aortic arch, we tested whether near maximal changes in smooth muscle tone ...

Aortic barorecptor function was studied in spontaneously hypertensive rats (SHR) of various ages and normotensive Wistar rats. The aortic arch was isolated and perfused, and the activity of the left aortic nerve was recorded. The threshold pressure to elicit barerecptor firing was 80-120 mmHg in normotensive Wistar rats. Resetting of barorecptors (threshold pressure 160-180 mmHg) was found in a...

We investigated the distinct ability of various antihypertensive drugs to modulate the extent (%) of rapid (15 minutes) resetting of the baroreceptors of normotensive rats to hypertensive levels. In one protocol, hemorrhage produced a complete resetting to hypotension in rats chronically treated (6 days) with captopril. Also, hemorrhage produced only partial resetting in rats acutely treated (1...