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Step length synergy while crossing obstacles is weaker in patients with Parkinson's disease
(2021-02-01)
Background: Impaired movement stability is a common symptom of Parkinson's disease (PD) that leads to falls and mishandled objects. Decline in synergistic stabilization of movement in PD patients has been observed in manual ...
Hybrid adaptive control for UAV Data Collection: a simulation-based design to trade-Off resources between Stability and Communication
(IEEE Computer Society, 2017)
We present the design of a hybrid control system for an Unmanned Aerial Vehicle (UAV) used for data collection from wireless sensors. We postulate a restrictive scenario where a low-cost processor is in charge of both ...
Identification and adaptive PID Control of a hexacopter UAV based on neural networks
(John Wiley & Sons Ltd, 2019-01)
In this paper, a novel adaptive PID controller for trajectory-tracking tasks is proposed. It is implemented in discrete time over a hexacopter, and it takes into consideration the unmanned aerial vehicles (UAVs) nonlinear ...
Mitigation of symmetry condition in positive realness for adaptive control
(Elsevier B.V., 2006-09-01)
Feasibility of nonlinear and adaptive control methodologies in multivariable linear time-invariant systems with state-space realization (A, B, C) is apparently limited by the standard strictly positive realness conditions ...
Mitigation of symmetry condition in positive realness for adaptive control
(Elsevier B.V., 2006-09-01)
Feasibility of nonlinear and adaptive control methodologies in multivariable linear time-invariant systems with state-space realization (A, B, C) is apparently limited by the standard strictly positive realness conditions ...
Analysis of the consequences of individual adaptive behavior on population stability: The case of optimal foraging Análisis de las consecuencias del comportamiento adaptativo individual sobre la estabilidad poblacional: El caso del forrajeo óptimo
(2010)
Early work based on the Dynamical Systems Theory demonstrates that the larger the number of interacting populations, the system tends to be more unstable. Nevertheless, empirical evidence indicates that natural populations ...