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OCCUPATIONAL SAFETY IMPROVEMENT EFFORTS ON THE VESSEL OWNED BY PT. DIAN CIPTAMAS AGUNG SITE BERAU Barasa, Larsen; Togatorop, Agus; Bagaskoro, Bagaskoro; Silitonga, Daniel
Dinasti International Journal of Management Science Vol. 2 No. 6 (2021): Dinasti International Journal of Management Science (July - August 2021)
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/dijms.v2i6.918

Abstract

PT. Dian Ciptamas Agung is a company engaged in the shipping industry as a provider of freight services by using the vessel and barge tugboat. Based on the data on the existing problems discussing the work accident on the vessel owned by PT. Dian Ciptamas Agung and the efforts made by the company in minimizing the work accident that occurred. The purpose of this research is to know the sources of work accidents that occur in order to improve the safety of work on vessels owned by PT. The great. The research was conducted by processing the data from investigative reports, the year of events news from 2018-2019 period. This shipping company needs to pay attention to the things that cause a work accident on the vessel so it can be done and pay attention to things that drive the crew to more discipline in working on the vessel
Design of Temperature Control in Air Conditioner Using Self-Tuning PID Based on Fuzzy-Mamdani Silitonga, Daniel; Wahyudi, Wahyudi
JURNAL EDUNITRO Jurnal Pendidikan Teknik Elektro Vol. 5 No. 2 (2025): October Issue
Publisher : Department of Electrical Engineering Education, Faculty of Engineering, State University of Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/edunitro.v5i2.12574

Abstract

Air Conditioner (AC) is a form of technological advancement in air conditioning. The consumption of AC in society is also very high at 48% using AC for 8-12 hours per day. This data is according to the Indonesian Consumers Foundation (YLKI). There are many factors behind this very long use. In this article try to see the AC factor that has not efficiently obtained the temperature setpoint value causing excessive use. When the AC gets the setpoint from the remote control. The actuator component in the form of a Peltier will work to achieve that value. This design will be carried out in order to create a PID control that performs tuning with the Fuzzy-Mamdani method in order to obtain the appropriate PID coefficient value. The test results from the Self-Tuning PID controller have a faster steady state time in all tests. In each test of the fixed reference value. The test of the changing reference value. and the test with the disturbance signal in the form of a step Self-Tuning PID have a faster time of 6.273 s. 3.364s and 5.4545s respectively. For the performance evaluation index, the Self-Tuning PID controller tends to have smaller ISE, IAE, and ITAE values in each test compared to the existing PID controller.