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High Performance Piezoelectric Actuated Gimbal (HIERAX)
Get PDFThis paper presents a 3-axis gimbal whose three rotational axes are actuated by a novel drive system: linear piezoelectric motors whose linear output is converted to rotation by using drive disks. Advantages of this technology are: fast response, high accelerations, dither-free actuation and backlash-free positioning. The gimbal was developed to house a laser range finder for the purpose of tracking and guiding unmanned aerial vehicles during landing maneuvers. The tilt axis was built and the test results indicate excellent performance that meets design specifications
Principles of rapid machine design
No full textThesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.Includes bibliographical references (p. 185-188).by Eberhard Bamberg.Ph.D
Copia Eines an die Römische Kayserliche ... Majestät Wie auch An das ... dazumahlen in Nürnberg anwesende Collegium Deputatorum Mutatis mutandis Von Denen ... Herrn Melchior Otto Bischofen zu Bamberg/ [et]c. Und Herrn Eberharden Hertzogen zu Würtenberg und Deck [et]c. Als Von höchstermelten Kayserlichen Majestät hochwohlverordneten Commissarien Der Stadt Erffurt Irrung betreffend ... im Monat Augusto 1650. überreichten Schreibens und respective Relation : Auf Begehren der Friedliebenden Bürgerschaft daselbst ... in Druck geben Erffurt im Jahr 1651
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Material Removal Rate, Kerf, and Surface Roughness of Tungsten Carbide Machined with Wire Electrical Discharge Machining
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