{"id":{"repo_id":"purdue-thes","oai_identifier":"oai:docs.lib.purdue.edu:open_access_dissertations-2717"},"canonical_url":"https://search.dev.ndltd.org/etd/purdue-thes/oai:docs.lib.purdue.edu:open_access_dissertations-2717","repository":{"repo_id":"purdue-thes","name":"Purdue University","base_url":"https://docs.lib.purdue.edu/do/oai/"},"display":{"title":"Modeling and Validation of S-Drive: A Nestable Piezoelectric Actuator","abstract":"This dissertation introduces a novel, nestable piezoelectric actuator, called the s-drive. In the s-drive actuator, the piezoelectric material is sandwiched between two conductors, and the electrodes are configured such that an application of a voltage causes an extension on two beams and compression on the other two beams to produce a large lateral deflection in the form of an `s' shape. The s-drive gets its name from the characteristic `s' shape that appears upon actuation. The designs of one-dimensional (1D) and two-dimensional (2D) arrays of axial-mode and shear-mode s-drives, for magnifying displacement and shear, are also presented in this work. Experimental results from the fabricated s-drive and its 1D nested arrays are presented for validation of the finite element analysis simulations and the developed analytical model of the s-drive and its nested arrays.","abstract_html":"This dissertation introduces a novel, nestable piezoelectric actuator, called the s-drive. In the s-drive actuator, the piezoelectric material is sandwiched between two conductors, and the electrodes are configured such that an application of a voltage causes an extension on two beams and compression on the other two beams to produce a large lateral deflection in the form of an `s&#x27; shape. The s-drive gets its name from the characteristic `s&#x27; shape that appears upon actuation. The designs of one-dimensional (1D) and two-dimensional (2D) arrays of axial-mode and shear-mode s-drives, for magnifying displacement and shear, are also presented in this work. Experimental results from the fabricated s-drive and its 1D nested arrays are presented for validation of the finite element analysis simulations and the developed analytical model of the s-drive and its nested arrays.","abstract_has_math":false,"creators":["Chigullapalli, Aarti"],"institution":null,"degree_name":"Doctor of Philosophy (PhD)","degree_level":"Dissertation","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["Jason V Clark","Dimitrios Peroulis","Jeffrey F Rhoads","Alina Alexeenko"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-01-01T08:00:00Z","date_published":"2014-01-01T08:00:00Z","updated_at":"2026-07-24T03:54:44Z","subjects":["Actuator array","Large displacement","Nestable","Piezoelectric actuator","PZT"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://docs.lib.purdue.edu/open_access_dissertations/1501","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Jason V Clark","Dimitrios Peroulis","Jeffrey F Rhoads","Alina Alexeenko"]},{"key":"dc:creator","label":"Author","values":["Chigullapalli, Aarti"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Doctor of Philosophy (PhD)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Actuator array","Large displacement","Nestable","Piezoelectric actuator","PZT"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://docs.lib.purdue.edu/open_access_dissertations/1501"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This dissertation introduces a novel, nestable piezoelectric actuator, called the s-drive. In the s-drive actuator, the piezoelectric material is sandwiched between two conductors, and the electrodes are configured such that an application of a voltage causes an extension on two beams and compression on the other two beams to produce a large lateral deflection in the form of an `s' shape. The s-drive gets its name from the characteristic `s' shape that appears upon actuation. The designs of one-dimensional (1D) and two-dimensional (2D) arrays of axial-mode and shear-mode s-drives, for magnifying displacement and shear, are also presented in this work. Experimental results from the fabricated s-drive and its 1D nested arrays are presented for validation of the finite element analysis simulations and the developed analytical model of the s-drive and its nested arrays."]},{"key":"dc:title","label":"Title","values":["Modeling and Validation of S-Drive: A Nestable Piezoelectric Actuator"]}]}],"canonical_facts":{"dc:contributor":["Jason V Clark","Dimitrios Peroulis","Jeffrey F Rhoads","Alina Alexeenko"],"dc:creator":["Chigullapalli, Aarti"],"dc:description.abstract":["This dissertation introduces a novel, nestable piezoelectric actuator, called the s-drive. In the s-drive actuator, the piezoelectric material is sandwiched between two conductors, and the electrodes are configured such that an application of a voltage causes an extension on two beams and compression on the other two beams to produce a large lateral deflection in the form of an `s' shape. The s-drive gets its name from the characteristic `s' shape that appears upon actuation. The designs of one-dimensional (1D) and two-dimensional (2D) arrays of axial-mode and shear-mode s-drives, for magnifying displacement and shear, are also presented in this work. Experimental results from the fabricated s-drive and its 1D nested arrays are presented for validation of the finite element analysis simulations and the developed analytical model of the s-drive and its nested arrays."],"dc:identifier":["https://docs.lib.purdue.edu/open_access_dissertations/1501"],"dc:subject":["Actuator array","Large displacement","Nestable","Piezoelectric actuator","PZT"],"dc:title":["Modeling and Validation of S-Drive: A Nestable Piezoelectric Actuator"],"thesis:degree_discipline":["Mechanical Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Doctor of Philosophy (PhD)"]},"updated_at":"2026-07-24T03:54:44Z"}