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Logic : Jurnal Rancang Bangun dan Teknologi

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Published by Politeknik Negeri Bali

ISSN : 1412114X EISSN : 25805649 DOI : -

Core Subject : Science, Education,

Computer Science & IT Education

Logic : Jurnal Rancang Bangun dan Teknologi is a peer-reviewed research journal aiming at promoting and publishing original high quality research in all disciplines of engineering and applied technology. All research articles submitted to Logic should be original in nature, never previously published in any journal or presented in a conference or undergoing such process across the world. All the submissions will be peer-reviewed by the panel of experts associated with particular field. Submitted papers should meet the internationally accepted criteria and manuscripts should follow the style of the journal for the purpose of both reviewing and editing.

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Articles 8 Documents

Search results for , issue "Vol 19 No 2 (2019): July" : 8 Documents clear

IOT Based Smart Lamp for Efficient Usage of Electrical Energy Herpendi Herpendi; Veri Julianto; Khairul Anwar Hafizd; Rabini Sayyidati
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

The government is proclaiming the electrical energy saving campaign in order to raise the people’s awareness of its importance. The Ministry of Energy and Mineral Resources (ESDM Ministry) of the Republic of Indonesia stated that a year of energy saving equals to the amount of saving Rp43.000.000.000.000,00 (forty three trillion rupiah) of money, which is also equal to a construction of electric steam power plant with the capacity of 3.500 megawatts (MW). One of the programs that has been encouraged by the government is the 'turn off the light' campaign. Turning off lights is a simple but often neglected thing. Apart from the limited awareness to save the energy for a better future, people are often too busy to do it. In 2015, Taruna built an Arduino Micro-controller based light control system using Android smartphone to provide ease, specifically for physically disabled and elderly. The shortcomings of this system are that the lights cannot be turned on and off automatically (smart) with timer and it can only be controlled at close range (bluetooth). Development of technology with the internet guide can easily help human, and thus, this research aims to improve the system with the time control (timer) and close range control (bluetooth) as well as the long range using SMS and internet. The system is built with the prototype model that incude the communication, fast planning, fast prototype designing and building, system submission and feedback. The result of this system building is that the light can be controlled using bluetooth and also provide a faster response time; less than a second (as well as the timer). The light can also be controlled from a long range using the internet connection, giving a response time between 14 to 17 seconds. When a light control command occurs, the SMS notification is sent to the cell phone of the user. Using this system, the light can be controlled correctly in order to conveniently give the user effectivity and efficiency in electrical energy usage.

Implementation of Pump Installation Simulation with Smart Relay-Based Water Level for Practical Tools in Learning Process I Gusti Ngurah Ardana; I Ketut Suherman; I Nyoman Sutarna; I Nengah Darma Susila
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Polytechnic is a skill-based education with a lot of training and practice, it is necessary to be prepared practicum facilities in terms of instrumentation and control devices, especially pump installation system. An important role in the operation of a system is the electrical system in the form of control, which is useful to facilitate pump installation operation system and this piping is called the Water Level Control. The complicated difficulty is assembling electrical installations manually. This problem can be solved with water level control pump installation system based on smart relay. The aim of this research is to know the discharge of pump water. The data show the average of the water debit calculation theoretically 1.03 liters / minute, meanwhile the average of the debit of test water on tool is 1.44 liter / minute. In conclusion, there is a difference about 0.41 liters / minute, the determination of frictional factor price, coefficient of endurance, pipe diameter, bend type in the specification material not in accordance with the actual material size. It is suggested to the policy makers in the field of vocational education that the tools and practical facilities must be well designed to more effectively consider the condition of student learning.

Modification of CaO Catalyst with Impregnation Method Using KoH in Biodiesel Synthesis from Waste Cooking Oil Syarifuddin Oko; Andri Kurniawan
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Chicken eggshells can be used as raw material in the manufacture of CaO catalysts. Increased CaO catalyst activity can be done by the impregnation method. The purpose of this study was to determine the effect of %K on the wet impregnation of CaO catalyst using KOH and to find out the impregnation catalyst (CaO / K2O) on the biodiesel yield. Prepared chicken egg shells were calcined at 900oC for 3 hours. Then the CaO obtained was impregnated using KOH with a variation of % K (5%, 7%, 9% and 12% (w / w)) while heated at 85oC. The impregnation product was calcined at 600oC for 5 hours. The impregnation catalyst (CaO K2O) was applied to the biodiesel synthesis through a transesterification reaction with a mole ratio of 1:12 waste cooking oil: methanol, the amount of catalyst was 1.5% at a reaction temperature of 70°C for 2.5 hours. Based on the results of SEM-EDS analysis, the highest K2O at 7% K was 21.99%), while the highest CaO content was at 9% K by 81.53%. For the highest surface area analysis at 7% K with a surface area of 71.22 m2 / g, alkalinity was 2.59 mmol / g. The best biodiesel was obtained with a yield of 87.17%, kinematic viscosity of 2.89 cSt, water content of 0.032%, density of 0.819 g/ml, methyl ester level of 99.39%.

1-DOF Finger Mechanism Design for Anthropomorphic Prosthetic Hand with Similarity Criteria for Human Hand Finger Movement Romdhoni Nur Huda; Lobes Herdiman; Taufiq Rochman
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Development of prosthetic hands continues to be made to get prosthetic which has special characteristics, namely anthropomorphism. The anthropomorphic prosthetic design refers to the improvement and development of the design to the stage of the similarity of the prosthetic movement to human hand movements. This study carries the design of the anthropomorphic 1-DOF prosthetic finger mechanism to get prosthetic at an affordable price. The optimization criteria for the similarity of movement with the human hand are formulated with two objective functions, namely the similarity of the range of motion and the total length of the finger that is completed simultaneously. The human hand movement that is a reference is the movement of conical object grasping on a standard size conical according to the maximum hand-held diameter anthropometry of an Indonesian people.

Organic Waste Chopper Tool Design Using Autodesk Inventor 2015 Software Nengah Ludra Antara
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

In the program of mechanical engineering, the software used to draw is Autodesk Inventor. Autodesk inventor is a CAD program in the program of engineering that is applied to the design of mechanics in 3D. In designing a tool, of course, it is preceded by a planned design concept. In making a design a tool requires a process or steps for making the design. These steps include the size, dimensions, and materials used in making organic waste chopper tool. The drawing process uses the 2015 Autodesk Inventor program, the first is the making of sketches, components on the machine, followed by assembly of each component, then rendering images, animation as the final stages of drawing design input into "IDW" complete with size, scale, material. Image projection to make it easier for designers to make tools. Drawings of plan and complete details covering the scale dimensions will be able to simplify the manufacturing process (production) of the components of the tool and can reduce the risk of errors in the process of making tools.

Props Design on Manual Assembly Lines in Industrial Engineering Design Practicum 3 With Learning Factory Approach Ahmad Syarif Yumna Najmudin; Lobes Herdiman; W.A. Jauhari
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Industry requires educational institutions as providers of labor to continue to optimize the learning process on material that is in harmony with existing cases in the industrial world. The Industrial Engineering Study Program of Sebelas Maret University Surakarta (PSTI-UNS) has sought these demands by implementing integrated practice learning with the learning factory concept approach. Identification of design needs was obtained after observations and evaluations of the learning process on PTI Practicum 3. This study contains requirements in designing tools to accommodate lab work in linear PTI Practicum manuals. The tools needed include storage, hand trolleys, storage racks, and work stations. The selection of the work station concept was carried out with Focus Group Discussion (FGD) with specified selection criteria. The criteria for selecting a tool for practicum facilities include the suitability of learning objectives, material

Anti-Theft Protection of Vehicle Using GPS Tracker & Android Apps Sidiq Syamsul Hidayat; Karina Laras Novitasari; Amin Syarifuddin; Wilda Puspa Pratiwi; Sri Hardiningsih HS; Rev. Ariawan Pratomo
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

The vehicle's anti-theft system is a module used to protect motor vehicles from theft by using three layers of security. The first layer uses a registered fingerprint for user authentication that can enable the machine on. The second one uses a GPS tracker to recognize where the position of the vehicle. The third one of security uses a remote engine cut-off system to shut down the machine remotely using the Android app. The system consists of two separate modules that are connected using a mobile data network. The first module is attached to the motorcycle body consists of fingerprints for biometric verification, GPS tracker for vehicle tracking and a microcontroller that controls the entire onboard system, including turning on and off the machine remotely. The second module is an application on the Android system used to detect where the location of the vehicle and applications that can be used to shut down the machine remotely. The method used in this research is the waterfall, it consists of systems and software design, module creation, module testing, module integration, system testing, operation and repair. The results shows this system is trusted to secure the motor vehicle by using a fingerprint as user authentication and GPS Tracker in which accurately detect the location of the motor vehicle, and then the system can shut down the motor power from a distance so that it can discover the theft of the vehicle. The conclusions: 1) The motorized vehicle safety system that is created to ease the owner of motor vehicle to control (On/Off) the vehicle remotely; 2) Si Kemot tool has been created to provide and increase the sense of security for vehicle owners because it can provide information on the position of the coordinates and speed of the vehicle; 3) the system can be controlled simply by using Android-based gadget that is very simple and ease of operation.

The Implementation of Rectifier Technology For Small Scale Industries Producing Exhaust Pipe in Purbalingga Eddy Triyono; S Setyowati Rahayu; Vonny SA Budiarti; Bambang Sumiyarso
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Purbalingga Regency Government policy to include exhaust pipe as one of the region's leading commodities is considered as one finest step. Various types of motor vehicle are produced and as a result small industry engaged in motor vehicle spare parts are emerging, including exhaust parts. The choice of technology with the metal industry, especially the exhaust in Purbalingga aims to improve the competitiveness of regional superior competency-based industries, namely revitalizing the industrial sector in order to exist and be able to develop, and be able to transfer technology about improving exhaust quality which has an impact on increasing the exhaust industry's income. The exhaust products from SMEs have exclusivity in the tip of exhaust pipe that is coated with metal, thus improve the appearance and quality of the exhaust. But the exhaust product with a variety of metal coated parts turned out to be incompatible with industry standards, which consequently the quality of the results of the dull metal coating process, easy to peel and rusty. For this reason, Semarang State Polytechnic implements rectifier equipment for metal coating. The methods used were the founding of an Institution Forum for the Purbalingga Exhaust Cluster Association, metal coating technique training for workers, operating tests, operational procedures and operational assistance. The results obtained are rectifiers for metal coating with current outputs of 10 A, 20 A, 30 A, 40 A, 50 A.

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Bali

INDONESIA