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Braille printer Dynamics
KTH, Tidigare Institutioner (före 2005), Farkostteknik. Luleå University of Technology, Division of Computer Aided Design, Department of Mechanical Engineering, Sweden.ORCID-id: 0000-0002-1426-1936
Luleå University of Technology, Division of Computer Aided Design, Department of Mechanical Engineering, Sweden.ORCID-id: 0000-0002-4048-3452
1999 (Engelska)Ingår i: Proceedings of the ASME Design Engineering Technical Conferences, 1999Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
Ort, förlag, år, upplaga, sidor
1999.
Nationell ämneskategori
Maskinteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-13494OAI: oai:DiVA.org:kth-13494DiVA, id: diva2:325848
Konferens
ASME Design Engineering Technical Conferences
Anmärkning

QC 20100621

Tillgänglig från: 2010-06-21 Skapad: 2010-06-21 Senast uppdaterad: 2022-06-25Bibliografiskt granskad
Ingår i avhandling
1. Effects of nonlinear dynamics in engineering systems
Öppna denna publikation i ny flik eller fönster >>Effects of nonlinear dynamics in engineering systems
2001 (Engelska)Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
Ort, förlag, år, upplaga, sidor
Stockholm: KTH, 2001. s. 19
Serie
Trita-FKT ; 2001:03
Nyckelord
Nonlinear dynamics, Impacts, Subsystems, Chaos, Irregular, Behaviour, Printer Dynamics, Suspensions, Coupled systems
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
urn:nbn:se:kth:diva-1208 (URN)
Anmärkning
QC 20100621Tillgänglig från: 2001-04-02 Skapad: 2001-04-02 Senast uppdaterad: 2022-06-23Bibliografiskt granskad
2. Design and Control of Products Including Parts with Impacts
Öppna denna publikation i ny flik eller fönster >>Design and Control of Products Including Parts with Impacts
2004 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

Today's product development process should be rapid andcost-efficient, and should result in innovative and reliableproducts. A crucial factor is the dynamic behaviour of theproduct.

This thesis focuses on theoretical, numerical andexperimental approaches to achieve a comprehensiveunderstanding of dynamical phenomena occurring in nonlinearproducts, especially in products with parts that includeimpacts. The aim is to show the usefulness of nonlineartheories to better understand and optimise the dynamicbehaviour of products and thereby account for nonlinearphenomena already in the product development process.

This is achieved through an investigation of researchefforts in the field of nonlinear dynamics; identification ofimportant research directions; a study on the effect ofcouplings between nonlinear parts; a detailed study on thedynamic behaviour of a product component; investigations oflow-cost strategies for controlling the dynamics of a nonlinearsystem; and the design and implementation of experimentalset-ups of two studied products.

The investigation of research efforts shows that nonlinearparts are frequently included in products. Most common areparts that are nonlinear due to impacts and friction. Twoimportant areas are identified; to study coupling effectsbetween nonlinear subsystems and to study how nonlinearanalysis can be used to improve existing designs.

Considering the studied products; a pantograph on a trainand a Braille printer, it can be concluded that thecharacteristics of a part can largely affect the dynamicbehaviour of the product. Typical nonlinear behaviour, such ascoexisting solutions and irregular motions, do occur. Theanalysis of the pan- tograph motion shows important aspects toconsider in the modelling process; coupling effects. In thecase of the Braille printer it is shown possible to create alow-cost control, by taking advantage of an existingdiscontinuity, to achieve a desired motion.

Altogether, this work contributes to improved understandingof the be- haviour of nonlinear parts in products, especiallythose including impacts, pro- viding greater knowledge aboutaspects to consider in the design process.

Keywords:Nonlinear Dynamics, Impacts, Discontinuities,Subsystems, Chaos, Irregular Behaviour, Printer Dynamics,Suspensions, Coupled Systems, Control.

Ort, förlag, år, upplaga, sidor
Stockholm: KTH, 2004. s. x, 54
Serie
Trita-AVE, ISSN 1651-7660 ; 2004:07
Nyckelord
Nonlinear Dynamics, Impacts, Discontinuities, Subsystems, Chaos, Irregular Behaviour, Printer Dynamics, Suspensions, Coupled Systems, Control
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
urn:nbn:se:kth:diva-3734 (URN)
Disputation
2004-04-29, 00:00
Anmärkning
QC 20100621Tillgänglig från: 2004-05-07 Skapad: 2004-05-07 Senast uppdaterad: 2022-06-22Bibliografiskt granskad

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Jerrelind, JennyStensson, Annika

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