Pub Date : 2020-03-30DOI: 10.36842/jomase.v64i1.190
Handoko Handoko, Adianto Adianto, S. C. Loon
The results of the Study of the Agency for the Assessment and Application of Technology in 2018 estimated the primary energy mix target of renewable energy at 23 (twenty three) percent by 2025 will not be reached. It is estimated that only reach 12.9 (twelve point nine) percent. The use of renewable energy, especially biomass and biogas by the population independently has not been included in the calculation of meeting the energy mix target by the government. Even though the potential of primary energy of bio energy in Indonesia is 32,653.8 MW. This study examines the behavior of the population towards the use of renewable energy, especially biomass and biogas in meeting their needs for cooking and business. The face-to-face research was carried out on 85 (eighty-five) respondents and online as many as 16 (sixteen) respondents in 17 (seventeen) villages in 7 (seven) districts in Sumedang Regency. The study was also conducted on 574 (five hundred seventy four) respondents both online and face to face in 366 (three hundred sixty six) villages in 240 (two hundred forty) districts in 91 (ninety one) districts / cities in 22 (twenty two) provinces. From the results of research and analysis of characteristics, descriptive analysis, logistic analysis and calculations; shows that: (a) trends in 2025, Sumedang residents choose to use biogas fuel, (b) trends in 2025, Indonesians choose to use solid fuels, (c) minimum contribution or potential contribution of Indonesian population to achieving energy mix targets primary New and Renewable Energy of 3.80 (three point eight) percent in 2018 and increased to 8.16 (eight point sixteen) percent in 2025 or about 35 (thirty five) percent of the target of the New and Renewable Energy mix. Thus, this research needs to be followed up and encourage the government through the National Energy Council to conduct more comprehensive research in all regions in Indonesia.
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Pub Date : 2019-11-30DOI: 10.36842/jomase.v63i3.141
Dodi Sofyan Arief, Eko Jadmiko, A. Prayitno, Muftil Badri, M. Dalil
Dial indicator is a comparison device usually used in industrial activities, especially in production. To make measurements at this time must be supported by technology that can facilitate operators when using it and when analyzing measurement results. Involving the programme and microcontroller are a solution to developing in roundness measurement, and then the results can be more accurate or thorough between the readable values read from the measuring instrument with the actual value of varying the amount of data. Roundness application is a program that can input measurement data automatically and can do calculations directly. Then, it can display a reference circle, a table that calculates the values of X, Y, R, X’, Y’, R’, Roundness Deviation, Run out Concentricity or a shift in the center point and also the center point shift or Theta. In measuring roundness, the test object is used the Standard Mandrel which has been certified by PT. Global Quality Indonesia, by determining three points or positions, namely in the first position the amount of data is 180, in the second position the amount of data is 90 and in the third position, the amount of data is 60 with a rotating speed of 15 mm/s. The results of the reference circle can be seen in each calculation in each position, in the second position the roundness deviation values are approaching of the Mandrel.
表盘指示器是工业活动，特别是生产活动中常用的一种比较装置。要在这个时候进行测量，必须有技术支持，以便操作人员在使用和分析测量结果时方便。涉及到程序和单片机的一种解决方案是开发圆度测量，然后从测量仪器读取的可读值与实际值之间的变化数据量的结果可以更准确或彻底。圆度应用程序是一种能够自动输入测量数据并能直接进行计算的程序。然后，它可以显示一个参考圆，一个计算X, Y, R, X '， Y '， R '，圆度偏差，跑出同心度或中心点移位的值的表，以及中心点移位或Theta。在测量圆度时，被测对象使用PT. Global Quality印度尼西亚认证的标准芯棒，通过确定三个点或位置，即第一个位置的数据量为180，第二个位置的数据量为90，第三个位置的数据量为60，旋转速度为15mm /s。参考圆的计算结果在每个位置都可以看到，在第二个位置，芯轴的圆度偏差值正在接近。
{"title":"Making roundness measurement applications and control systems on the Roundness Tester Machine","authors":"Dodi Sofyan Arief, Eko Jadmiko, A. Prayitno, Muftil Badri, M. Dalil","doi":"10.36842/jomase.v63i3.141","DOIUrl":"https://doi.org/10.36842/jomase.v63i3.141","url":null,"abstract":"Dial indicator is a comparison device usually used in industrial activities, especially in production. To make measurements at this time must be supported by technology that can facilitate operators when using it and when analyzing measurement results. Involving the programme and microcontroller are a solution to developing in roundness measurement, and then the results can be more accurate or thorough between the readable values read from the measuring instrument with the actual value of varying the amount of data. Roundness application is a program that can input measurement data automatically and can do calculations directly. Then, it can display a reference circle, a table that calculates the values of X, Y, R, X’, Y’, R’, Roundness Deviation, Run out Concentricity or a shift in the center point and also the center point shift or Theta. In measuring roundness, the test object is used the Standard Mandrel which has been certified by PT. Global Quality Indonesia, by determining three points or positions, namely in the first position the amount of data is 180, in the second position the amount of data is 90 and in the third position, the amount of data is 60 with a rotating speed of 15 mm/s. The results of the reference circle can be seen in each calculation in each position, in the second position the roundness deviation values are approaching of the Mandrel.","PeriodicalId":232042,"journal":{"name":"Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116834234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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