@misc{HesseMonkmanSteinmannetal., author = {Hesse, Stefan and Monkman, Gareth J. and Steinmann, Ralf and Schunk, Henrik}, title = {Robotergreifer}, publisher = {Hanser}, address = {M{\"u}nchen ; Wien}, isbn = {978-3-446-22920-4}, pages = {IX, 436 S.}, language = {de} } @inproceedings{PetcharteeMonkman, author = {Petchartee, Somrak and Monkman, Gareth J.}, title = {Pre-slip sensing using tactile sensor}, series = {Proceedings / SINTES 13, International Symposium on Systems Theory, Automation, Robotics, Computers, Informatics, Electronics and Instrumentation, October 18 - 20, 2007, Craiova - Romania}, booktitle = {Proceedings / SINTES 13, International Symposium on Systems Theory, Automation, Robotics, Computers, Informatics, Electronics and Instrumentation, October 18 - 20, 2007, Craiova - Romania}, pages = {279 -- 284}, language = {en} } @article{PetcharteeMonkman, author = {Petchartee, Somrak and Monkman, Gareth J.}, title = {Pre-slip sensing using tactile sensor}, series = {Annals Universitaria Criaiova-Series: Automation, Computers, Electronics and Mechatronics}, volume = {4 (31)}, journal = {Annals Universitaria Criaiova-Series: Automation, Computers, Electronics and Mechatronics}, number = {2}, pages = {109 -- 114}, language = {en} } @inproceedings{PetcharteeMonkman, author = {Petchartee, Somrak and Monkman, Gareth J.}, title = {Pre-slip Sensing through Tactile Sensing}, series = {Proc. 2nd International Conference on Sensing Technology (ICST 2007), New Zealand}, booktitle = {Proc. 2nd International Conference on Sensing Technology (ICST 2007), New Zealand}, pages = {62 -- 67}, language = {en} } @article{PremChavezVegaBoehmetal., author = {Prem, Nina and Chavez Vega, Jhohan Harvey and B{\"o}hm, Valter and Sindersberger, Dirk and Monkman, Gareth J. and Zimmermann, Klaus}, title = {Properties of Polydimethylsiloxane and Magnetoactive Polymers with Electroconductive Particles}, series = {Macromolecular Chemistry and Physics}, volume = {219}, journal = {Macromolecular Chemistry and Physics}, number = {18}, publisher = {Wiley}, doi = {10.1002/macp.201800222}, abstract = {Magnetoactive polymers are intelligent materials whose mechanical and electrical characteristics are reversibly influenced by external magnetic stimuli. They consist of a highly elastic polymer matrix in which magnetically soft and/or hard particles are distributed by means of special fabrication processes. In addition to ferromagnetic particles such as carbonyl iron powder, electrically conductive particles may also be embedded into the polymer matrix. After characterizing a range of compounds, this work focuses on a comparison of the electrical properties and the suitability of various materials for applications, with particular emphasis on integration into 3D and 6D printing processes. 6D printing is based on the selective positioning of particles in a 3D polymer matrix with a further three degrees of freedom for a graduated dispersion of the particles at certain points and in desired directions. The aim is therefore to ensure that the polymers containing electroconductive tracks have the best possible electrical properties, that is, low resistivity but are still capable of being printed. A comparison between the traditionally used compounds containing graphite and carbon black is made for the first time. This latter is found to be greatly superior both in terms of electrical conductivity and applicability to 3D printing and 6D printing.}, language = {en} } @article{BartschBehamGebhardtetal., author = {Bartsch, Alexander and Beham, Daniela and Gebhardt, Jakob and Ehrlich, Ingo and Schratzenstaller, Thomas and Monkman, Gareth J.}, title = {Mechanical Properties of NdPrFeB Based Magnetoactive Bisphenol-Free Boron-Silicate Polymers}, series = {Journal of Nanomedicine and Nanotechnology}, volume = {14}, journal = {Journal of Nanomedicine and Nanotechnology}, number = {6}, publisher = {Walsh Medical Media}, issn = {2157-7439}, doi = {10.35248/2157-7439.23.14.705}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:898-opus4-67425}, abstract = {Following a ban on many materials containing bisphenol-A, new bisphenol-free Boron silicates have been found as substitutes. The purpose of this study is to describe the mechanical properties of these bisphenol-free magnetoactive borosilicate polymers containing hard magnetic particles. Samples of 0\%, 33\% and 66\% by wt. were loaded for compression using a universal testing machine. The maximum forces occurring for different travel speeds were compared before and after post-magnetization treatments. The post-magnetization included 2 stages. In addition, the change in mechanical properties within 24 hours after the post-magnetization process was investigated. Furthermore, the influence of speed and particle content were investigated. In general, there is a correlation between the required compressive force and, the level of post-magnetization stress, the increase in travel speed and particle content in the boron silicate. Comparison of the non-post-magnetized and post-magnetized samples using two-tailed t-tests shows that the p-values for all weight fraction changes in NdPrFeB particles and travel speeds are less than 0.001. Also, a comparison between tests in which the traverse speed was varied also showed significant changes in the resulting compression forces. The same is valid for changes in the weight ratio of the NdPrFeB particles in the samples. For post-magnetized samples, no significant difference can be observed in the first 24 hours following magnetization. In summary, the material presents viscoelastic, plastic force-displacement behavior, which can be well recognized by its bi-linear curve shape. The investigation shows that borosilicate polymers based on NdPrFeB can have their mechanical behavior modified and controlled by post-magnetization processes. This opens new possibilities for many future applications.}, language = {en} } @unpublished{MalzSindersbergerMonkmanetal., author = {Malz, Sebastian and Sindersberger, Dirk and Monkman, Gareth J. and Steffens, Oliver and Kusterle, Wolfgang}, title = {Determination of the Water Content within Tunnel Linings to Assess Fire Safety}, series = {SSRN Electronic Journal}, journal = {SSRN Electronic Journal}, doi = {10.2139/ssrn.4390700}, pages = {22}, abstract = {Fires in tunnels are known to lead to explosive spalling of the tunnel linings, mainly due to rapid expansion of water as a result of vaporization in the concrete. In order to determine water content and assess fire safety within tunnel linings a novel measurement system has been developed. The development process includes the calibration of the sensor system via both direct and indirect approaches. This work compares both calibration methods and shows the differences that can occur due to measurement uncertainty. This work presents the measured water content within the Inntal tunnel, Austria as a representative tunnel from a total of four investigated tunnels. The obtained water content is compared to that found in the literature, and recommendations for practical work in terms of fire safety is given.}, language = {en} } @article{KnoerzerHillerBrandtetal., author = {Kn{\"o}rzer, S. and Hiller, Karl-Anton and Brandt, M. and Niklas, Andreas and Putzger, J{\"u}rgen and Monkman, Gareth J. and Danilov, Sergey N. and Ganichev, Sergey D. and Schulz, Irene and Schmalz, Gottfried}, title = {Detection of pulsed blood flow through a molar pulp chamber and surrounding tissue in vitro}, series = {Journal of Clinical Oral Investigations}, volume = {23}, journal = {Journal of Clinical Oral Investigations}, number = {3}, publisher = {Springer Nature}, doi = {10.1007/s00784-018-2530-y}, pages = {1121 -- 1132}, abstract = {OBJECTIVES Due to severe limitations of dental pulp sensitivity tests, the direct recording of pulsed blood flow, using photoplethysmography (PPG), has been proposed. In vivo evaluation is methodologically difficult and in vitro models have hitherto been adversely influenced by shortcomings in emulating the in vivo situation. Consequently, the aim of this study was to test an improved data acquisition system and to use this configuration for recording pulsed blood in a new model. MATERIALS AND METHODS We introduced a PPG signal detection system by recording signals under different blood flow conditions at two wavelengths (625 and 940 nm). Pulsed blood flow signals were measured using an in vitro model, containing a molar with a glass pulp and a resin socket, which closely resembled in vivo conditions with regard to volumetric blood flow, pulp anatomy, and surrounding tissue. RESULTS The detection system showed improved signal strength without stronger blanketing of noise. On the tooth surface, it was possible to detect signals emanating from pulsed blood flow from the glass pulp and from surrounding tissue at 625 nm. At 940 nm, pulp derived signals were recorded, without interference signals from surrounding tissue. CONCLUSION The PPG-based method has the potential to detect pulsed blood flow in small volumes in the pulp and (at 625 nm) also in adjacent tissues. CLINICAL RELEVANCE The results show the need for clear differentiation of the spatial origins of blood flow signals of any vitality test method to be applied to teeth.}, language = {en} } @article{ZimmermannBoehmBeckerTIetal., author = {Zimmermann, Klaus and B{\"o}hm, Valter and Becker T.I., and Chavez Vega, Jhohan Harvey and Kaufhold, Tobias and Monkman, Gareth J. and Sindersberger, Dirk and Diermeier, Andreas and Prem, Nina}, title = {Mechanical Characterization of the Field-Dependent Properties of Magnetoactive Polymers and Integrated Electrets for their Application in Soft Robotics}, series = {International Scientific Journal "Problems of Mechanics"}, volume = {69}, journal = {International Scientific Journal "Problems of Mechanics"}, number = {4}, issn = {1512-0740}, language = {en} } @misc{LautenschlaegerLeisDendorferetal., author = {Lautenschl{\"a}ger, Toni and Leis, Alexander and Dendorfer, Sebastian and Palm, Christoph and Schreiner, Rupert and Langer, Christoph and Prommesberger, Christian and Ławrowski, Robert Damian and Dams, Florian and Bornmann, Benjamin and Navitski, Aliaksandr and Serbun, Pavel and M{\"u}ller, G{\"u}nter and Liebetruth, Thomas and Kohlert, Dieter and Pernsteiner, Jochen and Schreier, Franz and Heerklotz, Sabrina and Heerklotz, Allwin and Boos, Alexander and Herwald, Dominik and Monkman, Gareth J. and Treiber, Daniel and Mayer, Matthias and H{\"o}rner, Eva and Bentz, Alexander and Shamonin (Chamonine), Mikhail and Johansen, S{\o}ren Peter and Reichel, Marco and Stoll, Andrea and Briem, Ulrich and Dullien, Silvia and Renkawitz, Tobias and Weber, Tim and Dendorfer, Sebastian and Grifka, Joachim and Penzkofer, Rainer and Barnsteiner, K. and Jovanovik, M. and Wernecke, P. and V{\"o}gele, A. and Bachmann, T. and Pl{\"o}tz, Martin and Schliekmann, Claus and Wels, Harald and Helmberger, Paul and Kaspar, Marcel and H{\"o}nicka, M. and Schrammel, Siegfried and Enser, Markus and Schmidmeier, Monika and Schroll-Decker, Irmgard and Haug, Sonja and Gelfert, Verena and Vernim, Matthias}, title = {Forschungsbericht 2012}, editor = {Baier, Wolfgang}, address = {Regensburg}, organization = {Ostbayerische Technische Hochschule Regensburg}, doi = {10.35096/othr/pub-783}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:898-opus4-7834}, pages = {64}, language = {de} } @article{LangMonkman, author = {Lang, Alexander and Monkman, Gareth J.}, title = {An analysis of the electrical capacitance between two conducting spheres}, series = {Journal of Electrostatics}, volume = {108}, journal = {Journal of Electrostatics}, publisher = {Elsevier}, doi = {10.1016/j.elstat.2020.103518}, abstract = {Many modern composites consist of dielectric polymer matrices containing embedded spherical particles. These particles can be electrically conducting and often have magnetic properties. In order to accurately model and simulate such materials, precise calculation of the electrical capacitance between identically sized spheres is required. This is of particular relevance at microscopic dimensions where many smart material-based micro devices are concerned. This may appear trivial for a small number of particles. However, many methods or their analysis appear to be questionable or not applicable at reduced dimensions. In this work, the various methods of analysis are scrutinized before being compared with both simulation and direct measurements. It is surprising to note that of the many works investigated only 3 are in close agreement with both simulation and measurement. Graphical abstract This paper deals with the precise calculation of the electrical capacitance between two conducting spheres of equal, or near equal size.The calculations have been verified by both experimental measurements and simulation. Algorithms in MatLab (Octave) format have been included in the supporting information.}, language = {en} } @inproceedings{MonkmanDragoiEgersdoerferetal., author = {Monkman, Gareth J. and Dragoi, Daniel and Egersd{\"o}rfer, Stefan and F{\"u}chtmeier, Bernd and Nerlich, Michael}, title = {Der Roboter als Hilfsmittel in der Chirurgie // International Mechatronik Forum, Linz, October 2006}, series = {International Mechatronik Forum, Linz}, booktitle = {International Mechatronik Forum, Linz}, language = {de} } @misc{FuechtmeierNerlichMonkmanetal., author = {F{\"u}chtmeier, Bernd and Nerlich, Michael and Monkman, Gareth J. and Egersd{\"o}rfer, Stefan and Raja, Kashif}, title = {Development of a Robotic Navigation and Fracture Fixation System - 7th Intl. Conf. Medical Aspects of Telemedicine, 23 September 2002}, series = {European Journal of Medical Research; Abstracts}, journal = {European Journal of Medical Research; Abstracts}, publisher = {Biomed Central}, address = {London}, issn = {2047-783X}, pages = {28 -- 29}, language = {en} }