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IRWAN SETIAWAN
Program Magister Instrumentasi dan Kontrol, Fakultas Teknologi Industri, Institut Teknologi Bandung,Bandung 40132, Indonesia
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Journal : Journal of Embedded Systems, Security and Intelligent Systems

 1 
Measurement of Gauge Block Surface Structure Using 12-Lamp Photometric Stereo Method Syahwir, Irawati Dewi; Setiawan, Irwan; Khairah, Inayah Dwi
Journal of Embedded Systems, Security and Intelligent Systems Vol 7 No 1 (2026): March 2026
Publisher : Program Studi Teknik Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/jessi.v7i1.11769

Abstract

Purpose – This study aims to develop and evaluate a non-contact method for measuring surface roughness of gauge blocks using an enhanced photometric stereo approach with multiple lighting sources, as an alternative to conventional coordinate measuring machine (CMM) methods that may damage the surface. Design/methods/approach – The research employs a photometric stereo method using 12 different lighting sources arranged at 55° intervals. The captured images are reconstructed using a photometric stereo algorithm to generate a three-dimensional surface model. Surface roughness is determined by measuring peak and valley heights and calculating their average. The objects tested are gauge blocks of class 0 and class 1, compared against standard blocks based on ISO/R 468-1966. Findings – The results show that gauge blocks of class 0 and class 1 have roughness values close to the N7 standard group, with an average roughness of 1.6 μm. The reconstruction results indicate an average error of 0.11933 μm for N7 blocks and -0.0718 μm for N8 blocks. The photometric stereo method demonstrates lower error compared to conventional contact-based measurements. Research implications/limitations – This method provides a promising non-contact alternative for surface roughness measurement and calibration. However, the study is limited to specific lighting configurations and gauge block samples, and further research is needed to validate its application across different materials and surface conditions. Originality/value – This study introduces an improved photometric stereo configuration using 12 lighting sources, enhancing reconstruction accuracy and offering a safer and more precise alternative for surface roughness measurement, particularly for calibration processes regulated by the National Standardisation Agency.
Co-Authors -, Nilda ., Nuraksa A, Fauzan Adzima Ade Chandra Nugraha Andi Velahyati Baharuddin Armin Darmawan Asmal, Sapta Azzahra, Salsabila Dini Bagas Ristanto, Dionesius Bahrul Ngulum, Muhamat Bayu Putra, Fajar Tri Burstiando, Rizki Cahyani, Rani Caroline Felicita Aurelius Chaniago, Harmon Deria, Desy Dhedhy Yuliawan Diani, Fitri Dwi Handayani F, Andi Syahreza F, Widya Ananda Faqih, Achmad Zulva Ainun Farida Muchtadi, Farida Feryanto, Wahyu Gilas, Gilas Pradana Putra Hablinur Alkindi Halilah, Ii Haris, Syukri Agung Wijaya Harmon Harmon Hestika Huda, Dhimas Miftachul Husein Allsabah, M. Akbar Imam Basori Ismanto, Juli Jannah, Silvie Roikhatul Jonner Hutahaean Kahirulloh, Aldona Kartolo, Rachmat Khairah, Inayah Dwi Kholis, Moh. Nur Kusumohadi, Catur Setyawan Lian Min, Joe Lusianti, Septyaning M, Weney Kanatya Mangngenre, Saiful Moh. Nurkholis Moh. Yunan Firmansyah MOKHAMMAD FIRDAUS, MOKHAMMAD Muchtadi, Farida I. Muhammad Aditya Irfaani Muhammad, Maula Sidi Nur Ahmad Muharram Nur Fadillah, Nur Nurrohman Nurrohman Panjaitan, Tutur Parade Tua Parenreng, Syarifuddin Mabe Perdana, Ferdy Aprilian Prasetya Kurniawan, Wing Purba, Radia Puspodari Ramadani, Moch. Rifqi Reo Prasetiyo Herpandika, Reo Prasetiyo Ricky Saputra Ryan Widhandi Sagitarius, Andri Prasetyo Saiful - Sholihati Amalia Slamet Junaidi Sri Surjani Tjahjawati Sugiarto Sugiyanto - Suprihanto Suprijanto Suprijanto Susilo, Teguh Budi Sutisna, Ma’mun Syahwir, Irawati Dewi Syamsul, Diniary Ikasari Tambunan, Daulat Marulitua Wisnuadhi, Bambang Yadhi Aditya Permana YAYAN FIRMANSYAH, YAYAN Yuwono, Diki Candra Zawawi, M. Anis