This paper reports experimental observations of codimension‐two heteroclinic bifurcations in an autonomous third‐order electrical circuit. The paper also reports confirmations by computer simulations. In the laboratory experiments, a pair of programmable resistors are used in order to adjust two bifurcation parameters. In the associated two‐parameter space, several codimension‐one bifurcation sets are experimentally measured to capture codimension‐two bifurcation structures. All of these bifurcation sets are numerically confirmed by exact bifurcation equations which are derived from piecewise‐linear circuit dynamics.
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© 1993 American Institute of Physics.
1993
American Institute of Physics
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