Ludwig Burmester
Ludwig Ernst Hans Burmester (5 May 1840 – 20 April 1927) was a German
geometer
.
His doctoral thesis Über die Elemente einer Theorie der Isophoten (from
Burmester theory which applies projective geometry to the loci of points on planes moving in straight lines and in circles, where any motion may be understood in relation to four Burmester points.[2]
The Burmester linkage of 1888 is a four bar linkage part of whose coupler curve is an approximately straight line (see also Watt's linkage). Burmester is also known for his focal linkage,[3] which is a highly over-constrained but movable linkage related to Kempe's focal linkage and Hart's straight line linkages.
Burmester is the inventor of the French curve; as such, a French curve may also be called a Burmester curve.
References
- ^ L. Burmester, Lehrbuch der Kinematik, Felix Verlag, Leipzig, 1888
- ^ M. Ceccarelli and T. Koetsier, Burmester and Allevi: A Theory and its Application for Mechanism Design at the end of 19th Century, Proceedings of IDETC/CIE 2006 ASME 2006 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference
- ^ E. Dijksman, Kempe's (Focal) Linkaget Generalized, particularly in connection with Hart's second straight-line mechanism, Mechanism and Machine Theory, 1975
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