Harry Dankowicz
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View article: Computational Bifurcation Analysis
Computational Bifurcation Analysis Open
Bifurcation analysis collects techniques for characterizing the dependence of certain classes of solutions of a dynamical system on variations in problem parameters. Common solution classes of interest include equilibria and periodic orbit…
View article: Adjoint-Based Projections for Uncertainty Quantification near Stochastically Perturbed Limit Cycles and Tori
Adjoint-Based Projections for Uncertainty Quantification near Stochastically Perturbed Limit Cycles and Tori Open
This paper presents a new boundary-value problem formulation for quantifying uncertainty induced by the presence of small Brownian noise near transversally stable periodic orbits (limit cycles) and quasiperiodic invariant tori of the deter…
View article: Escape from fraught states in a coordination game
Escape from fraught states in a coordination game Open
Through a behavioural coordination game played by groups of humans and simulated with agent-based models, we investigated a social network dilemma that we call fraughtness . Seven players, connected to one another in various topologies via…
View article: Escape from fraught states in a coordination game
Escape from fraught states in a coordination game Open
Through a behavioral coordination game played by groups of humans and simulated with agent-based models, we investigated a social network dilemma that we call {\em fraughtness}. Seven players, connected to one another in various topologies…
View article: Special Issue of Applied Mechanics Reviews in Collaboration with the Journal of Electrochemical Energy Conversion and Storage
Special Issue of Applied Mechanics Reviews in Collaboration with the Journal of Electrochemical Energy Conversion and Storage Open
Applied Mechanics Reviews (AMR) was founded in 1948 under the editorship of Lloyd Hamilton Donnell (1895–1997), in whose honor the biennial Lloyd Hamilton Donnell Applied Mechanics Reviews Paper Award was inaugurated in 2014. The founding …
View article: Design of active network filters as hysteretic sensors
Design of active network filters as hysteretic sensors Open
View article: Model-free Continuation of Periodic Orbits in Certain Nonlinear Systems Using Continuous-Time Adaptive Control
Model-free Continuation of Periodic Orbits in Certain Nonlinear Systems Using Continuous-Time Adaptive Control Open
This paper generalizes recent results by the authors on noninvasive model-reference adaptive control designs for control-based continuation of periodic orbits in periodically excited linear systems with matched uncertainties to a larger cl…
View article: Methods of continuation and their implementation in the COCO software platform with application to delay differential equations
Methods of continuation and their implementation in the COCO software platform with application to delay differential equations Open
View article: Sensitivity analysis for periodic orbits and quasiperiodic invariant tori using the adjoint method
Sensitivity analysis for periodic orbits and quasiperiodic invariant tori using the adjoint method Open
This paper presents a rigorous framework for the continuation of solutions to nonlinear constraints and the simultaneous analysis of the sensitivities of test functions to constraint violations at each solution point using an adjoint-based…
View article: Journal Commitment to Diversity, Equity, and Inclusion
Journal Commitment to Diversity, Equity, and Inclusion Open
View article: INSPIRE: Illinois-Sweden Program for Educational and Research Exchange
INSPIRE: Illinois-Sweden Program for Educational and Research Exchange Open
View article: Correction to: Optimization along families of periodic and quasiperiodic orbits in dynamical systems with delay
Correction to: Optimization along families of periodic and quasiperiodic orbits in dynamical systems with delay Open
The licence type in the original article was incorrect and should be CC BY and not CC BY NC.
View article: Optimization with equality and inequality constraints using parameter continuation
Optimization with equality and inequality constraints using parameter continuation Open
View article: Correction to: Optimization along families of periodic and quasiperiodic orbits in dynamical systems with delay
Correction to: Optimization along families of periodic and quasiperiodic orbits in dynamical systems with delay Open
The article Optimization along families of periodic and quasiperiodic orbits in dynamical systems with delay, written by Zaid Ahsan, Harry Dankowicz, and Jan Sieber, was originally published electronically on 5 November 2019 without open a…
View article: Optimization along families of periodic and quasiperiodic orbits in dynamical systems with delay
Optimization along families of periodic and quasiperiodic orbits in dynamical systems with delay Open
This paper generalizes a previously conceived, continuation-based optimization technique for scalar objective functions on constraint manifolds to cases of periodic and quasiperiodic solutions of delay-differential equations. A Lagrange fo…
View article: Special Issue of Applied Mechanics Reviews in Collaboration With the Journal of Computational and Nonlinear Dynamics
Special Issue of Applied Mechanics Reviews in Collaboration With the Journal of Computational and Nonlinear Dynamics Open
Applied Mechanics Reviews (AMR) was founded in 1948 under the editorship of Lloyd Hamilton Donnell (1895–1997), in whose honor the biennial Lloyd Hamilton Donnell Applied Mechanics Reviews Paper Award was inaugurated in 2014. The founding …
View article: Input‐delay compensation in a robust adaptive control framework
Input‐delay compensation in a robust adaptive control framework Open
A modification to the control framework for uncertain systems with actuator delays is presented. Specifically, a time delay is introduced in the control input of the state predictor to compensate for the destabilising effect of an input de…
View article: Impact of temporal network structures on the speed of consensus formation in opinion dynamics
Impact of temporal network structures on the speed of consensus formation in opinion dynamics Open
View article: Automated monitoring of behavior reveals bursty interaction patterns and rapid spreading dynamics in honeybee social networks
Automated monitoring of behavior reveals bursty interaction patterns and rapid spreading dynamics in honeybee social networks Open
Social networks mediate the spread of information and disease. The dynamics of spreading depends, among other factors, on the distribution of times between successive contacts in the network. Heavy-tailed (bursty) time distributions are ch…
View article: Lifetime-preserving reference models for characterizing spreading dynamics on temporal networks
Lifetime-preserving reference models for characterizing spreading dynamics on temporal networks Open
View article: Special Issue of Applied Mechanics Reviews in Collaboration With the Journal of Mechanisms and Robotics
Special Issue of Applied Mechanics Reviews in Collaboration With the Journal of Mechanisms and Robotics Open
ASME Applied Mechanics Reviews (AMR) is an international review journal that serves as a premier venue for state-of-the-art and retrospective surveys and reviews of research and curricular developments across all subdisciplines of applied …
View article: Special Issue of Applied Mechanics Reviews in Collaboration With the Journal of Tribology
Special Issue of Applied Mechanics Reviews in Collaboration With the Journal of Tribology Open
Applied Mechanics Reviews (AMR) is an international review journal that serves as a premier venue for state-of-the-art and retrospective survey articles and reviews of research areas and curricular developments across all subdisciplines of…
View article: Delay Robustness and Compensation in L 1 Adaptive Control
Delay Robustness and Compensation in L 1 Adaptive Control Open
Stability analysis of an L1 adaptive control design decomposes into i) the derivation of an inequality condition imposed on a filter in the control channel that guarantees transient performance bounds on the state and control input for a t…
View article: On the Analysis of Chatter in Mechanical Systems with Impacts
On the Analysis of Chatter in Mechanical Systems with Impacts Open
In rigid-body mechanics, models that capture collisional contact as an instantaneous exchange of momentum may exhibit dynamics that include infinite sequences of impacts accumulating in finite time to a state of persistent contact, often r…
View article: A Robust Adaptive Controller for a Seed Refilling System on a Moving Platform**This work was supported by National Institute of Food and Agriculture, U.S. Department of Agriculture, grant number 2014-67021-22109.
A Robust Adaptive Controller for a Seed Refilling System on a Moving Platform**This work was supported by National Institute of Food and Agriculture, U.S. Department of Agriculture, grant number 2014-67021-22109. Open
This paper considers an opportunity for robotic automation in the seeding of field crops. It reports on progress in designing a partially automated seed refilling system that transfers seeds to a centralized tank on a tractor-pulled plante…
View article: Nonlinear tuning of microresonators for dynamic range enhancement
Nonlinear tuning of microresonators for dynamic range enhancement Open
This paper investigates the development of a novel framework and its implementation for the nonlinear tuning of nano/microresonators. Using geometrically exact mechanical formulations, a nonlinear model is obtained that governs the transve…