{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T04:08:25Z","timestamp":1779163705240,"version":"3.51.4"},"reference-count":55,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2021,3,6]],"date-time":"2021-03-06T00:00:00Z","timestamp":1614988800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100005357","name":"Agent\u00fara na Podporu V\u00fdskumu a V\u00fdvoja","doi-asserted-by":"publisher","award":["APVV-17-0214"],"award-info":[{"award-number":["APVV-17-0214"]}],"id":[{"id":"10.13039\/501100005357","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100006108","name":"Kult\u00farna a Edukacn\u00e1 Grantov\u00e1 Agent\u00fara M\u0160VVa\u0160 SR","doi-asserted-by":"publisher","award":["024STU-4\/2020"],"award-info":[{"award-number":["024STU-4\/2020"]}],"id":[{"id":"10.13039\/501100006108","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100006108","name":"Kult\u00farna a Edukacn\u00e1 Grantov\u00e1 Agent\u00fara M\u0160VVa\u0160 SR","doi-asserted-by":"publisher","award":["007STU-4\/2021"],"award-info":[{"award-number":["007STU-4\/2021"]}],"id":[{"id":"10.13039\/501100006108","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This paper deals with the design and implementation of a universal cyber-physical model capable of simulating any production process in order to optimize its logistics systems. The basic idea is the direct possibility of testing and debugging advanced logistics algorithms using a digital twin outside the production line. Since the digital twin requires a physical connection to a real line for its operation, this connection is substituted by a modular cyber-physical system (CPS), which replicates the same physical inputs and outputs as a real production line. Especially in fully functional production facilities, there is a trend towards optimizing logistics systems in order to increase efficiency and reduce idle time. Virtualization techniques in the form of a digital twin are standardly used for this purpose. The possibility of an initial test of the physical implementation of proposed optimization changes before they are fully implemented into operation is a pragmatic question that still resonates on the production side. Such concerns are justified because the proposed changes in the optimization of production logistics based on simulations from a digital twin tend to be initially costly and affect the existing functional production infrastructure. Therefore, we created a universal CPS based on requirements from our cooperating manufacturing companies. The model fully physically reproduces the real conditions of simulated production and verifies in advance the quality of proposed optimization changes virtually by the digital twin. Optimization costs are also significantly reduced, as it is not necessary to verify the optimization impact directly in production, but only in the physical model. To demonstrate the versatility of deployment, we chose a configuration simulating a robotic assembly workplace and its logistics.<\/jats:p>","DOI":"10.3390\/s21051842","type":"journal-article","created":{"date-parts":[[2021,3,7]],"date-time":"2021-03-07T21:52:15Z","timestamp":1615153935000},"page":"1842","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Design and Implementation of Universal Cyber-Physical Model for Testing Logistic Control Algorithms of Production Line\u2019s Digital Twin by Using Color Sensor"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1533-5914","authenticated-orcid":false,"given":"J\u00e1n","family":"Vach\u00e1lek","sequence":"first","affiliation":[{"name":"Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, N\u00e1mestie slobody 17, 812 31 Bratislava, Slovakia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9860-5638","authenticated-orcid":false,"given":"Dana","family":"\u0160i\u0161mi\u0161ov\u00e1","sequence":"additional","affiliation":[{"name":"Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, N\u00e1mestie slobody 17, 812 31 Bratislava, Slovakia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pavol","family":"Va\u0161ek","sequence":"additional","affiliation":[{"name":"SOVA Digital a.s., Bojnick\u00e1 3, 831 04 Bratislava, Slovakia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4985-4424","authenticated-orcid":false,"given":"Ivan","family":"Fi\u0165ka","sequence":"additional","affiliation":[{"name":"Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, N\u00e1mestie slobody 17, 812 31 Bratislava, Slovakia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juraj","family":"Slov\u00e1k","sequence":"additional","affiliation":[{"name":"Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, N\u00e1mestie slobody 17, 812 31 Bratislava, Slovakia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matej","family":"\u0160imovec","sequence":"additional","affiliation":[{"name":"Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, N\u00e1mestie slobody 17, 812 31 Bratislava, Slovakia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,3,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Lin, W.D., Low, Y.H., Chong, Y.T., and Teo, C.L. 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