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All Journal Asia Pacific Fraud Journal Jurnal Rekayasa elektrika
Bhakti Yudho Suprapto
Sriwijaya University
Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Social Sciences

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Purwarupa Pembersih Pipa Otomatis (Automatic Tube Remover) pada Heat Exchanger Menggunakan Teknik Pengolahan Citra Hermawati Sholeh; Bhakti Yudho Suprapto; Andi Pranata; Firmansyah Firmansyah
Jurnal Rekayasa Elektrika Vol 11, No 4 (2015)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1133.794 KB) | DOI: 10.17529/jre.v11i4.2406

Abstract

In the industry era, especially the oil processing industry, the heat exchanger is needed to regulate temperature and produce oil products such as petroleum, kerosene and diesel fuel. In the operation, the heat exchanger requires maintenance, especially when the minor unit is shut down or stop and routine reparation. Maintenance is done by replacing the tubesheet that commonly referred to as bundle retube where there are pipe fritter to be cleaned, which are cutted at the time of maintenance. This maintenance is typically done in manual approach, which is not efficient in terms of time. For a more efficient maintanence, this paper proposes a prototype design to discard these pipes fritter by utilizing image processing method for detecting the edge of the circle and the position of the pipe fritter. Based on the experiments, it has been obtained that the test circle radius that can be captured is at 4 to 10 pixels. The longest time for positioning was 2.41 minutes and the whole process of disposal of this pipeline reaches 47.92 %.
Purwarupa Pembersih Pipa Otomatis (Automatic Tube Remover) pada Heat Exchanger Menggunakan Teknik Pengolahan Citra Hermawati Sholeh; Bhakti Yudho Suprapto; Andi Pranata; Firmansyah Firmansyah
Jurnal Rekayasa Elektrika Vol 11, No 4 (2015)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v11i4.2406

Abstract

In the industry era, especially the oil processing industry, the heat exchanger is needed to regulate temperature and produce oil products such as petroleum, kerosene and diesel fuel. In the operation, the heat exchanger requires maintenance, especially when the minor unit is shut down or stop and routine reparation. Maintenance is done by replacing the tubesheet that commonly referred to as bundle retube where there are pipe fritter to be cleaned, which are cutted at the time of maintenance. This maintenance is typically done in manual approach, which is not efficient in terms of time. For a more efficient maintanence, this paper proposes a prototype design to discard these pipes fritter by utilizing image processing method for detecting the edge of the circle and the position of the pipe fritter. Based on the experiments, it has been obtained that the test circle radius that can be captured is at 4 to 10 pixels. The longest time for positioning was 2.41 minutes and the whole process of disposal of this pipeline reaches 47.92 %.
Risk Profiling in Public E-Procurement: Empirical Insights from Indonesia’s Supreme Audit Institution (BPK RI) Aditya Pratama; Bhakti Yudho Suprapto; Chairul Razak
Asia Pacific Fraud Journal Vol. 11 No. 1: 1st Edition (January-June 2026)
Publisher : Association of Certified Fraud Examiners Indonesia Chapter

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21532/apfjournal.v11i1.416

Abstract

Using axiomatic analysis, this paper examines the relationship between open data and transparency in corruption prevention in Indonesia. Opentender represents a modality of e-government and open government in mitigating Public Procurement corruption. The results presented in this research were derived from document analyses and interviews with the Indonesian Corruption Watch (ICW), the initiator and administrator of Opentender. The results of this study demonstrate that Opentender, as an element of open government does promote transparency and hence address the failure of information asymmetry. Furthermore, it demonstrates a preventive capability by displaying data with potential fraud indicators, thereby enhancing information accessibility. Nonetheless, Opentender has yet to affect aspect of capacity building and empowerment. This is evidenced by the inadequate exploitation of data on Opentender as only a few stakeholders or public members use data on Opentender or utilizing Opentender as a mechanism for overseeing Electronic Public Procurement. Theoretically, this study advances the use of axiomatic analysis in understanding corruption prevention. The integration of Opentender to the existing anti-corruption institutional frameworks in Indonesia will further boost the impact of Opentender to corruption prevention in Indonesia.
Co-Authors Aditya Pratama Andi Pranata Chairul Razak Firmansyah Firmansyah Hermawati Sholeh