Automated Generation of Kempe Linkages for ... - Alexander Kobel
Automated Generation of Kempe Linkages for ... - Alexander Kobel
Automated Generation of Kempe Linkages for ... - Alexander Kobel
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List <strong>of</strong> Figures<br />
2.1 Watt‘s linkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7<br />
2.2 The Peaucellier-Lipkin cell . . . . . . . . . . . . . . . . . . . . . . . . . . . 8<br />
2.3 The Peaucellier cell on slot . . . . . . . . . . . . . . . . . . . . . . . . . . . 9<br />
2.4 Two translators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10<br />
2.5 The distance copier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11<br />
2.6 The angle multiplicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13<br />
3.1 The parallelogram defined by P . . . . . . . . . . . . . . . . . . . . . . . . 16<br />
3.2 The final translations <strong>of</strong> <strong>Kempe</strong>‘s construction . . . . . . . . . . . . . . . 19<br />
3.3 Three possible configurations <strong>of</strong> a simple translator linkage . . . . . . . 23<br />
3.4 A braced parallelogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23<br />
4.1 The perpendicular bisector <strong>of</strong> a segment . . . . . . . . . . . . . . . . . . 26<br />
4.2 The intersection <strong>of</strong> two parallel lines at infinity . . . . . . . . . . . . . . . 27<br />
4.3 The angular bisector in continuous and deterministic geometry systems 27<br />
4.4 Automatic theorem checking in Cinderella . . . . . . . . . . . . . . . . . . 29<br />
4.5 Multiplication and addition <strong>of</strong> angles . . . . . . . . . . . . . . . . . . . . 34<br />
4.6 Multiplication <strong>of</strong> lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35<br />
4.7 Division <strong>of</strong> lengths by application <strong>of</strong> the intercept theorem . . . . . . . . 35<br />
4.8 The graphical user interface <strong>of</strong> our implementation . . . . . . . . . . . . 37<br />
4.9 Static screenshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38<br />
4.10 Animation stills <strong>of</strong> a <strong>Kempe</strong> linkage simulation <strong>of</strong> y 2 = x 2 − x 3 . . . . . 39<br />
4.11 Animation stills <strong>of</strong> a <strong>Kempe</strong> linkage simulation <strong>of</strong> y 2 = x 2 − x 3 (cont‘d) 40<br />
4.12 Some complicated examples . . . . . . . . . . . . . . . . . . . . . . . . . . 41<br />
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