Results 61 to 70 of about 15,717,904 (337)

Observer-Based Model Reference Tracking Control of the Markov Jump System with Partly Unknown Transition Rates

open access: yesApplied Sciences, 2023
This paper deals with the model reference tracking control problem of linear systems based on the observer for Markov jump systems with unknown transition rates.
Weiqiang Song, Aijuan Jin
doaj   +1 more source

Resetting intrinsic purinergic modulation of neural activity: an associative mechanism? [PDF]

open access: yes, 2002
The purines, ATP and adenosine, control the rundown and termination of swimming in the Xenopus embryo. This intrinsic purinergic modulation, unavoidably present during every swimming episode, could lead to stereotyped inflexible behavior and consequently
Dale, Nicholas
core   +1 more source

Continual Learning for Multimodal Data Fusion of a Soft Gripper

open access: yesAdvanced Robotics Research, EarlyView.
Models trained on a single data modality often struggle to generalize when exposed to a different modality. This work introduces a continual learning algorithm capable of incrementally learning different data modalities by leveraging both class‐incremental and domain‐incremental learning scenarios in an artificial environment where labeled data is ...
Nilay Kushawaha, Egidio Falotico
wiley   +1 more source

A State‐Adaptive Koopman Control Framework for Real‐Time Deformable Tool Manipulation in Robotic Environmental Swabbing

open access: yesAdvanced Robotics Research, EarlyView.
This work presents a state‐adaptive Koopman linear quadratic regulator framework for real‐time manipulation of a deformable swab tool in robotic environmental sampling. By combining Koopman linearization, tactile sensing, and centroid‐based force regulation, the system maintains stable contact forces and high coverage across flat and inclined surfaces.
Siavash Mahmoudi   +2 more
wiley   +1 more source

An Iterative Tuning Method for Feedforward Control of Parallel Manipulators Considering Nonlinear Dynamics

open access: yesChinese Journal of Mechanical Engineering
Feedforward control is one of the most effective control techniques to increase the robot’s tracking accuracy. However, most of the dynamic models used in the feedforward controllers are linearly simplified such that the nonlinear and time-varying ...
Xiaojian Wang, Jun Wu
doaj   +1 more source

Design of Virtual Reference Feedforward Controller for an Active Suspension System

open access: yesIEEE Access, 2022
This paper presents a method to design a virtual reference feedforward controller (VRFC) for an active suspension system. Generally, it is not easy to apply a feedforward control to an active suspension system because a reference or disturbance is ...
Yonghwan Jeong   +3 more
doaj   +1 more source

Neural Circuits between Nodose Ganglion and Pulmonary Neuroendocrine Cells Regulate Lung Inflammatory Responses

open access: yesAdvanced Science, EarlyView.
TRPA1+αCGRP+ sensory neurons in the nodose ganglion detect external insults such as lipopolysaccharide (LPS) and interact directly with pulmonary neuroendocrine cells (PNECs), promoting their activation and proliferation. This neural‐epithelial interaction amplifies lung inflammation.
Jie Chen   +16 more
wiley   +1 more source

Subsystem identification of feedback and feedforward systems with time delay

open access: yesResults in Control and Optimization, 2020
We present an algorithm for identifying discrete-time feedback-and-feedforward subsystems with time delay that are interconnected in closed loop with a known subsystem.
S. Alireza Seyyed Mousavi   +3 more
doaj   +1 more source

Hyperviscous Diabetic Bone Marrow Niche Impairs BMSCs Osteogenesis via TRPV2‐Mediated Cytoskeletal‐Nuclear Mechanotransduction

open access: yesAdvanced Science, EarlyView.
Diabetic bone marrow exhibits pathological ECM hyperviscosity that activates TRPV2‐mediated Ca2⁺ influx, leading to perinuclear F‐actin disassembly, nuclear deformation, and chromatin condensation. This cytoskeletal‐nuclear decoupling suppresses osteogenic differentiation of BMSCs.
Yao Wen   +8 more
wiley   +1 more source

Forwarding design with prescribed local behavior [PDF]

open access: yes, 2013
International audienceAmong the non-linear control techniques, some Lyapunov design methods (Forwarding / Backstepping) take advantage of the structure of the system (Feedforward-form / Feedback-form) to formulate a continuous control law which ...
Andrieu, Vincent   +3 more
core   +2 more sources

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