• In the study of dynamical systems, the van der Pol oscillator (named for Dutch physicist Balthasar van der Pol) is a non-conservative, oscillating system...
    21 KB (2,631 words) - 04:28, 25 May 2025
  • Thumbnail for FitzHugh–Nagumo model
    activation and deactivation dynamics of a spiking neuron. In turn, the Van der Pol oscillator is a special case of the FitzHugh–Nagumo model, with a = b = 0 {\displaystyle...
    10 KB (1,420 words) - 23:09, 25 May 2025
  • {3}{8}}\,\varepsilon \,\right)\,t{\Bigr )}\right].\,} We solve the van der Pol oscillator only up to order 2. This method can be continued indefinitely in...
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  • Balthasar van der Pol (1889–1959), Dutch physicist a.o. known for the Van der Pol oscillator and the Bonhoeffer-van der Pol model Jaap van der Poll (1914–2010)...
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  • Thumbnail for Self-oscillation
    leading to a Hopf bifurcation and the appearance of limit cycles. The van der Pol oscillator is one such model that has been used extensively in the mathematical...
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  • Thumbnail for Balthasar van der Pol
    Balthasar van der Pol (27 January 1889 – 6 October 1959) was a Dutch physicist. Van der Pol began his studies of physics in Utrecht in 1911. J. A. Fleming...
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  • Thumbnail for Relaxation oscillator
    mathematical model of a relaxation oscillator, the influential Van der Pol oscillator model, in 1920. Van der Pol borrowed the term relaxation from mechanics;...
    26 KB (3,041 words) - 22:12, 6 March 2025
  • all linear oscillators must have negative resistance. The first analysis of a nonlinear electronic oscillator model, the Van der Pol oscillator, was done...
    67 KB (7,028 words) - 21:57, 6 March 2025
  • notation. This system is often called the Van der Pol oscillator. Applying periodic averaging to this nonlinear oscillator provides qualitative knowledge of the...
    23 KB (4,159 words) - 09:41, 7 November 2023
  • Thumbnail for Phase portrait
    is a fixed point. Damped harmonic motion, see animation (right). Van der Pol oscillator see picture (bottom right). A phase portrait represents the directional...
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  • dx}+f(x)v+g(x)=0} which is an Abel equation of the second kind. The Van der Pol oscillator d 2 x d t 2 − μ ( 1 − x 2 ) d x d t + x = 0 {\displaystyle {d^{2}x...
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  • Thumbnail for Phase space
    about the dynamics of the system, such as the limit cycle of the Van der Pol oscillator shown in the diagram. Here the horizontal axis gives the position...
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    Society. 20 (3): 180–9. doi:10.1112/jlms/s1-20.3.180. See also: Van der Pol oscillator Smale, Stephen (January 1960). "Morse inequalities for a dynamical...
    115 KB (13,059 words) - 09:11, 9 June 2025
  • Thumbnail for Limit cycle
    circuits exhibit limit cycle oscillations, which inspired the original Van der Pol model. The control of respiration and hematopoiesis, as appearing in...
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  • Thumbnail for List of Dutch discoveries
    Van der Pol oscillator is a non-conservative oscillator with non-linear damping. It was originally proposed by Dutch physicist Balthasar van der Pol while...
    82 KB (10,146 words) - 15:54, 15 May 2024
  • Thumbnail for Hopf bifurcation
    system are given by this last proposition. Consider the classical Van der Pol oscillator written with ordinary differential equations: { d x d t = μ ( 1...
    28 KB (4,903 words) - 15:57, 27 May 2025
  • Skarya Archived 2015-12-22 at the Wayback Machine Van der Pol Oscillator Equations Shaw-Pol chaotic oscillator Archived 2015-12-22 at the Wayback Machine The...
    34 KB (1,704 words) - 17:43, 25 May 2025
  • Phase portrait of a continuous-time dynamical system, the Van der Pol oscillator....
    21 KB (2,589 words) - 20:36, 29 May 2025
  • Thumbnail for Horseshoe map
    Stephen Smale while studying the behavior of the orbits of the van der Pol oscillator. The action of the map is defined geometrically by squishing the...
    15 KB (2,066 words) - 16:56, 11 December 2023
  • unsaturated water flow Self-balancing unicycle Sine-Gordon equation Van der Pol oscillator Vlasov equation Aleksandr Mikhailovich Lyapunov Dynamical system...
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  • Thumbnail for Delft University of Technology
    penthode and gyrator Bernard Tellegen and Balthasar van der Pol developer of Van der Pol oscillator, were TU Delft faculty. Currently Vic Hayes, and the...
    78 KB (7,619 words) - 09:53, 23 May 2025
  • asymptotic stability. Consider the following equation, based on the Van der Pol oscillator equation with the friction term changed: y ¨ + y − ε ( y ˙ 3 3 −...
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  • Thumbnail for Gilles Holst
    and physics after a year. He worked with Balthasar van der Pol, known for the Van der Pol oscillator, and Frans Michel Penning, known for Penning ionization...
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  • Lorenz system Lotka–Volterra equations Mackey–Glass equations Rabinovich–Fabrikant equations Rössler attractor Three-body problem Van der Pol oscillator...
    38 KB (4,498 words) - 17:19, 16 June 2025
  • Thumbnail for Symplectic geometry
    Phase portrait of the Van der Pol oscillator, a one-dimensional system. Phase space was the original object of study in symplectic geometry....
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  • Thumbnail for Mary Cartwright
    began to collaborate studying the equations, in particular the Van der Pol oscillator, which greatly surprised the two: For something to do we went on...
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  • Liénard system of equations, which are a generalization of the Van der Pol oscillator equation. The following process is also illustrated from rightside...
    24 KB (2,889 words) - 15:38, 6 March 2025
  • for x3 cbnd = initial(x1 <= 2.0); % Initial event constraint x1 Van der Pol Oscillator Minimize: J x , t = x 3 ( t f ) {\displaystyle {\begin{matrix}J_{x...
    13 KB (1,743 words) - 07:51, 4 August 2024
  • constructible polygons, twin primes, set theory, statistics, and the Van der Pol oscillator. As David Singmaster writes, many of these topics are the subject...
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  • Phase portrait of the Van der Pol oscillator...
    14 KB (2,020 words) - 08:13, 22 November 2024