{"id":1011,"date":"2026-08-30T20:48:20","date_gmt":"2026-08-30T20:48:20","guid":{"rendered":"https:\/\/web.fs.uni-lj.si\/lft\/?page_id=1011"},"modified":"2026-08-30T20:48:20","modified_gmt":"2026-08-30T20:48:20","slug":"research-2","status":"publish","type":"page","link":"https:\/\/web.fs.uni-lj.si\/lft\/de\/research-2\/","title":{"rendered":"Forschung"},"content":{"rendered":"
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Forschungsbereiche<\/h1><\/div><\/div>\n<\/div>\n<\/div>\n\n
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Fluidna tehnika in hidravli\u010dni sistemi<\/h1>

Razvoj hidravli\u010dnih ventilov, \u010drpalk, valjev, aktuatorjev in fluidnih sistemov za industrijske in robotske aplikacije.<\/p>\n<\/div>

Ve\u010d<\/a><\/div><\/div><\/div><\/div>
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Okolju prijazna vodna hidravlika<\/h1>

Razvoj trajnostnih hidravli\u010dnih sistemov z uporabo vode in drugih okoljsko sprejemljivih medijev.<\/p>\n<\/div>

Ve\u010d<\/a><\/div><\/div><\/div><\/div>
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Tribologija in napredni materiali<\/h1>

Raziskave trenja, obrabe, mazanja, tesnil in naprednih materialnih parov.<\/p>\n<\/div>

Ve\u010d<\/a><\/div><\/div><\/div><\/div>
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Dodajalne tehnologije in 3D tisk<\/h1>

Kovinski 3D tisk, topolo\u0161ka optimizacija in razvoj funkcionalnih prototipov.<\/span><\/p>\n<\/div>

Ve\u010d<\/a><\/div><\/div><\/div><\/div>
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Mehatronika in robotski sistemi v fludini tehniki<\/h1>

Mehka robotika, prijemala, robotski aktuatorji in avtomatizacija.<\/p>\n<\/div>

Ve\u010d<\/a><\/div><\/div><\/div><\/div>
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Publikationen<\/h1><\/div><\/div>\n<\/div>\n<\/div>\n\n
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MAJDI\u010c, Franc, PEZDIRNIK, Jo\u017ee, KALIN, Mitjan. Experimental validation of the lifetime performance of a proportional 4\/3 hydraulic valve operating in water.\u00a0Tribology international<\/em>. 2011, vol. 44, iss. 12, str. 2013-2021, ilustr. ISSN 0301-679X.\u00a0http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0301679X11002398<\/a>,\u00a0http:\/\/www.sciencedirect.com\/science?_ob=MiamiImageURL&_cid=271465&_user=4776866&_pii=S0301679X11002398&_check=y&_origin=browse&_zone=rslt_list_item&_coverDate=2011-11-30&wchp=dGLzVBA-zSkWz&md5=2a69a8b98c6edb13cbbbfd26ebe7ca01\/1-s2.0-S0301679X11002398-main.pdf<\/a>, DOI:\u00a010.1016\/j.triboint.2011.08.020<\/a>.<\/p>\n

MAJDI\u010c, Franc, VELKAVRH, Igor, KALIN, Mitjan. Improving the performance of a proportional 4\/3 waterhydraulic valve by using a diamond-like-carbon coating.\u00a0Wear<\/em>. [Print ed.]. Jan. 2013, vol. 297, iss. 1\/2, str. 1016-1024, ilustr. ISSN 0043-1648. DOI:\u00a010.1016\/j.wear.2012.11.060<\/a><\/span>.<\/p>\n

TRAJKOVSKI, Ana, MATKOVI\u010c, Sebastjan, NOVAK, Nejc, NADEEM, Irfan, KALIN, Mitjan, MAJDI\u010c, Franc. Glycerol aqueous solutions for the enhanced tribological behaviour of polymer composites sliding against steel.\u00a0Tribology international<\/em>. Apr. 2024, vol. 192, [article no.] 109173, str. 1-11, ilustr. ISSN 1879-2464.\u00a0https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0301679X23009647<\/a><\/span>,\u00a0Repozitorij Univerze v Ljubljani \u2013 RUL<\/a><\/span>, DOI:\u00a010.1016\/j.triboint.2023.109173<\/a><\/span>.<\/p>\n

TRAJKOVSKI, Ana, BARTOLJ, Jan, NOVAK, Nejc, PUSTAVRH, Jan, KALIN, Mitjan, MAJDI\u010c, Franc. Sliding properties of anodized aluminium alloy tested in water and hydraulic oil.\u00a0Scientific reports<\/em>. 2026, vol. 16, [article no.] 9117, 12 str., ilustr. ISSN 2045-2322.\u00a0https:\/\/www.nature.com\/articles\/s41598-026-39681-3#citeas<\/a><\/span>,\u00a0Repozitorij Univerze v Ljubljani \u2013 RUL<\/a><\/span>, DOI:\u00a010.1038\/s41598-026-39681-3<\/a><\/span>.<\/p>\n

TRAJKOVSKI, Ana, BARTOLJ, Jan, LEVSTEK, Toma\u017e, GODE\u0160A, Tone, SE\u010cNIK, Matej, HO\u010cEVAR, Marko, MAJDI\u010c, Franc. Mechanical inter- and intra-row weed control for small-scale vegetable producers.\u00a0Agriculture<\/em>. 2024, vol. 14, iss. 9, [article no.] 1483, str. 1-14, ilustr. ISSN 2077-0472.\u00a0https:\/\/www.mdpi.com\/2077-0472\/14\/9\/1483<\/a><\/span>,\u00a0Repozitorij Univerze v Ljubljani \u2013 RUL<\/a><\/span>, DOI:\u00a010.3390\/agriculture14091483<\/a><\/span>.<\/p>\n

PUSTAVRH, Jan, HO\u010cEVAR, Marko, PODR\u017dAJ, Primo\u017e, TRAJKOVSKI, Ana, MAJDI\u010c, Franc. Comparison of hydraulic, pneumatic and electric linear actuation systems.\u00a0Scientific reports<\/em>. 2023, [vol.] 13, [article no.] 20938, str. 1-13, ilustr. ISSN 2045-2322.\u00a0https:\/\/www.nature.com\/articles\/s41598-023-47602-x#article-info<\/a><\/span>,\u00a0Repozitorij Univerze v Ljubljani \u2013 RUL<\/a><\/span>, DOI:\u00a010.1038\/s41598-023-47602-x<\/a><\/span>.<\/p>\n

TRAJKOVSKI, Ana, NOVAK, Nejc, PUSTAVRH, Jan, KALIN, Mitjan, MAJDI\u010c, Franc. Performance of polymer composites lubricated with glycerol and water as green lubricants.\u00a0Applied sciences<\/em>. 2023, vol. 13, iss. 13, str. 1-15, ilustr. ISSN 2076-3417.\u00a0https:\/\/www.mdpi.com\/2076-3417\/13\/13\/7413<\/a><\/span>,\u00a0Repozitorij Univerze v Ljubljani \u2013 RUL<\/a><\/span>, DOI:\u00a010.3390\/app13137413<\/a><\/span>.<\/p>\n

NOVAK, Nejc, TRAJKOVSKI, Ana, KALIN, Mitjan, MAJDI\u010c, Franc. Degradation of hydraulic system due to wear particles or medium test dust.\u00a0Applied sciences<\/em>. 2023, vol. 13, iss. 13, str. 1-20, ilustr. ISSN 2076-3417.\u00a0https:\/\/www.mdpi.com\/2076-3417\/13\/13\/7777<\/a><\/span>,\u00a0Repozitorij Univerze v Ljubljani \u2013 RUL<\/a><\/span>, DOI:\u00a010.3390\/app13137777<\/a><\/span>.<\/p>\n

\u00a0<\/span><\/strong>NOVAK, Nejc, TRAJKOVSKI, Ana, POLAJNAR, Marko, KALIN, Mitjan, MAJDI\u010c, Franc. Wear of hydraulic pump with real particles and medium test dust.\u00a0Wear<\/em>. [Print ed.]. Nov. 2023, vol. 532\/533, str. 1-13, ilustr. ISSN 0043-1648.\u00a0https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0043164823004842<\/a>,\u00a0Repozitorij Univerze v Ljubljani \u2013 RUL<\/a>, DOI:\u00a010.1016\/j.wear.2023.205101<\/a>.<\/p>\n

STRM\u010cNIK, Ervin, MAJDI\u010c, Franc, KALIN, Mitjan. Influence of a diamond-like carbon-coated mechanical part on the operation of an orbital hydraulic motor in water.\u00a0Metals<\/em>. Apr. 2019, vol. 9, iss. 4, f. 1-14, ilustr. ISSN 2075-4701.\u00a0https:\/\/www.mdpi.com\/2075-4701\/9\/4\/466<\/a><\/span>,\u00a0Repozitorij Univerze v Ljubljani \u2013 RUL<\/a><\/span>, DOI:\u00a010.3390\/met9040466<\/a><\/span>.<\/p>\n

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Projekte<\/h1><\/div><\/div>\n\n

<\/a>Soft robotic hydraulic log-clamping system (SOFT LOGGING): 2023\u20132026<\/p>\n

Solid-state cooling using hydrostatic pressure: development of a barocaloric cooling device (COOL PRESS): 2022\u20132025<\/p>\n

Designing nanoscale contacts for high-performance, energy-efficient, and lightweight components for green mobility (CODE-GM): 2022-2025<\/p>\n

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Patente<\/h1><\/div><\/div>\n\n

VOJE, Rafko, \u017dELEZNIK, Bojan, MAJDI\u010c, Franc. Modular hydraulic rotary motor : SI 24787 (A), 2016\/02\/29. Ljubljana: Slovenian Intellectual Property Office, 2016<\/span><\/p>\n

MAJDI\u010c, Franc, MOHORI\u010c, Damir, \u0160PAN, Iztok, PEZDIRNIK, Jo\u017ee. High-pressure piston pump : SI 23772 (A), 2013\/12\/31. Ljubljana: Slovenian Intellectual Property Office, 2012<\/span><\/p>\n

OMAN, Simon, NAGODE, Marko, KLEMENC, Jernej, MAJDI\u010c, Franc, HO\u010cEVAR, Marko, GOSAR, Ale\u0161, \u0160KRLEC, Andrej, OLAH, Laslo. Submersible pump assembly and method for use of same : European patent specification EP 4 093 970 B1, 2025-06-11. Munich: European Patent Office, 2025<\/span>\u00a0<\/span><\/p>\n

KITANOVSKI, Andrej, TOMC, Urban, KLINAR, Katja, VALENTIN\u010cI\u010c, Jo\u0161ko, MAJDI\u010c, Franc, SABOTIN, Izidor, MENCINGER, Jure. Method for heat transfer in the embedded structure of a heat regenerator and the design thereof : United States patent US 12,000,663 B2, 2024-06-04. Alexandria: United States Patent and Trademark Office, 2024<\/span><\/p>\n

NOVAK, Lovrenc, PETKOV\u0160EK, Martin, OMAN, Simon, NAGODE, Marko, KLEMENC, Jernej, MAJDI\u010c, Franc, HO\u010cEVAR, Marko, GOSAR, Ale\u0161, OLAH, Laslo. Downhole three phase separator and method for use of same : United States Patent US 11,143,009 B1, 2021-10-12. Alexandria (VA): United States Patent and Trademark Office, 2021<\/span><\/p>\n

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Abschlussarbeiten<\/h1><\/div><\/div>\n\n

KRAMAR, Matev\u017e.\u00a0Investigation of the mutual influence of suction lines of two hydraulic pumps : master's thesis, 2nd Cycle Master's Study Programme in Mechanical Engineering<\/em>. Ljubljana<\/p>\n

ALIBEGI\u0106, Benjamin.\u00a0Development of a water-hydraulic valve using tribologically selected alternative materials : master's thesis, 2nd Cycle Master's Study Programme in Mechanical Engineering<\/em>. Ljubljana<\/p>\n

LESIN\u0160EK, Domen.\u00a0Hydraulic energy accumulator : undergraduate thesis, 1st Cycle Professional Higher Education Study Programme in Mechanical Engineering - Project-Applied Programme<\/em>. Ljubljana<\/p>\n

KLEMEN, Andra\u017e.\u00a0Small piston hydraulic power unit : undergraduate thesis, 1st Cycle Professional Higher Education Study Programme in Mechanical Engineering - Project-Applied Programme<\/em>. Ljubljana<\/p>\n

ZRIM\u0160EK \u017dIGER, An\u017ee.\u00a0Analysis of the effect of reinforcements and elastomer joint angle for producing soft grippers : final thesis, 1st Cycle University Study Programme in Mechanical Engineering - Research and Development Programme<\/em>. Ljubljana<\/p>\n

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