The ordinary differential equation
Lewis Regulator
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References
Hagedorn, P. Non-Linear Oscillations. Oxford, England: Clarendon Press, p. 152, 1982.Zwillinger, D. Handbook of Differential Equations, 3rd ed. Boston, MA: Academic Press, p. 124, 1997.Referenced on Wolfram|Alpha
Lewis RegulatorCite this as:
Weisstein, Eric W. "Lewis Regulator." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LewisRegulator.html