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All Journal Jurnal Dedikasi Jurnal Gamma Jurnal Mahasiswa PSPD FK Universitas Tanjungpura Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) Journal of Innovation and Applied Technology SISFOTENIKA Omni-Akuatika BERDIKARI : Jurnal Inovasi dan Penerapan Ipteks Meditory : The Journal of Medical Laboratory JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Edum Journal E-JURNAL JUSITI : Jurnal Sistem Informasi dan Teknologi Informasi SOLUSI MAESTRO Jurnal Sosial dan Teknologi Muhammadiyah Journal of Geriatric Exact Paper In Compilation (EPIC) Proceeding ISETH (International Summit on Science, Technology, and Humanity) Jurnal Penelitian Rumpun Ilmu Teknik Jurnal Manajemen, Bisnis dan Organisasi (JUMBO) Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Mahasiswa Ilmu Kesehatan Jurnal Abdimastek (Pengabdian Masyarakat Berbasis Teknologi) Journal of Animal Research and Applied Science Jurnal Anestesi: Jurnal Ilmu Kesehatan dan Kedokteran Jurnal Penelitian Teknologi Informasi dan Sains Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Router : Jurnal Teknik Informatika dan Terapan Modem : Jurnal Informatika dan Sains Teknologi
Sujono Sujono
Universitas Muhammadiyah Malang
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Veterinary Other

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Navigasi Robot Quadruped Menggunakan Kamera Muhammad Notonugroho; Sujono Sujono
MAESTRO Vol 2 No 2 (2019): Edisi Oktober 2019
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

In a 4-legged robot designer in a simulation following a line that has been made in such a way using a camera and avoiding furniture. But in this simulation arena add a red line as a robot reference to follow the line and the arena has obstacles turning right, turning left and crossroad. In this arena furniture will also be added as a robot challenge to avoid it. This robot consists of 12 servo motors of each foot using 3 servo, 4 ultrasonic sensors, CMUcam5, line sensors, Arduino Mega 2560. CMUcam is used to read the midpoint of the red line that will be the path of the robot while to read furniture that is by using an ultrsonic sensor . When the robot has found the midpoint of the coordinate, with the X-axis of the line being in the middle of the robot, if the X-coordinate is greater than 180 then the robot's position is on the line and if the X-coordinate is less than 180 then the robot's position is on the line. The speed of the robot once rotating around the track is 0.017 m / s with a length of 5.72 meters. The results obtained are robots can navigate using the camera properly and succeed in avoiding furniture.
KONTROL SUHU PADA GENERATOR SET DENGAN MENGGUNAKAN MIKROKONTROLER Axel Dewo Augustama; Sujono Sujono
MAESTRO Vol 3 No 2 (2020): Edisi Oktober 2020
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

Generator set (Genset) is a device that can convert mechanical energy into electrical energy. In a generator et that operates to supply electricity to a load, the amount of electric current that occurs will cause an increase in heating that occurs in the engine and if not maintaeined it may cause overheating. This paper discusses the automatic generator set temperature control system to prevent overheating conditions on the generator set while operating. The control system used is the ESP-32 microcontroller with algorithm Proporsional Integral and Derivative (PID). The DS18B20 temperature sensor is used to detect the actual temperature on the generator set. As an actuator in regulating the tempreture of generator set, a 12 Volt dc fan is used. The way the temperature control works starts at the ds18b20 temperature sensor detects the temperature on the data is processed with the PID algorithm by the ESP-32 microcontoller to produce a PWM value which will be fed to the 12 Volt dc fan as an actuator. Based on tests that have been done by giving variables to Kp, Ki, Kd in order to produce a stable system response, it is obtained with the variable value Kp=2, Ki=5, Kd=1 set point 57 oC, the value of the rise time is 35 seconds, overshoot 2.19 oC, settling time 109 seconds and steady state error of 0.44 oC. In another test at the setpoint of 70 oC with variable values Kp=3, Ki=2, Kd=2, the value of rise time is 47 seconds, overhoot 2.06 oC, settling time 114 seconds, steady state error 2.31 oC.
Desain dan Analisa Maximum Power Point Tracking Pada Sistem Pembangkit Listrik dengan Piezoelektrik Bannan Khaulah Hanifah; Sujono Sujono
MAESTRO Vol 2 No 2 (2019): Edisi Oktober 2019
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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In this paper examines the power generation tool using piezoelectric sensors to produce electrical energy sourced from kinetic energy, where the parameters observed are controlled voltage, power, and MPPT design that is made. This study aims to determine the MPPT system commonly used in solar cells to be able to work on different systems using piezoelectric sensors. The system consists of piezoelectric sensor, rectifier circuit, DC-DC converter, PWM, and microcontroller. The discussion of the problem is focused on making renewable energy using kinetic energy through piezoelectric sensors whose voltage will be controlled using the Maximum Power Point Tracking (MPPT) method. Based on the system designed, a piezoelectric output voltage is obtained which is very small, and storage is carried out on the capacitor to obtain a voltage of 3 volts. From this voltage, the MPPT method can’t be done because the voltage on the piezoelectric has decreased dramatically when connected to the DC-DC converter. To get a 3 volt voltage at a mass load of 50 kg it takes 482 seconds with a change in voltage increase of 0.0062 per 1 second, at a load mass of 60 kg it takes 453 seconds with a change in voltage increase of 0.0066 per 1 second, and at a mass of 70 kg it takes 345 seconds with a change in voltage increase of 0.008 per 1 second.
Pengendalian Debit Air Pada Sistem Kran Wudhu Otomatis Menggunakan Mikrokontroler Hari Anggoro; Sujono Sujono
MAESTRO Vol 3 No 2 (2020): Edisi Oktober 2020
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

The use of conventional water taps for ablution is still very common, although there are many deficiencies in it. One of the drawbacks is that the valve opening on conventional faucets cannot be adjusted automatically so that the water that comes out of the faucet becomes inefficient. In this final project, a water discharge control device is designed in an automatic ablution faucet system using a microcontroller to make water use more efficient during ablution. Control of water discharge in the automatic ablution faucet system uses the HC-SR04 ultrasonic sensor which functions to read the distance of human hands / feet from the ultrasonic sensor. The way the water flow control works in this automatic ablution faucet system is that the valve opening can be adjusted automatically based on the reading of the ultrasonic sensor on the human hand / foot, then the distance detected by the ultrasonic sensor will be sent to the microcontroller which then gives commands to the servo faucet motor. Based on tests that have been carried out 15 times the process of ablution, this automatic ablution faucet system uses 24.05 liters / second of water while the conventional ablution faucet system uses 34.8 liters / second of water. So that the water efficiency obtained in the automatic ablution faucet system against the conventional ablution faucet system is 30.4%.
PERANCANGAN SISTEM MANAJEMEN BATERAI PADA MOBIL LISTRIK STUDI KASUS: BATERAI KAPASITAS 46Ah 12V PADA NEO BLITS 2 Luthfitaris Haidiazi Soehartono; Akhmad Musafa; Sujono Sujono
MAESTRO Vol 3 No 1 (2020): Edisi April 2020
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

In this paper a battery management system for electric cars has been designed case study: 46Ah 12v capacity kapasias on neo blits 2. The purpose of this system is to protect the battery from overcharge and overdischarge so that the battery will better use its life cycle. With the use of a better life cycle will reduce maintenance costs on electric cars. The system is designed to consist of 84 3.7 volt 2200 mAh parallel Lithium ion batteries 21 and then in series of 4 so that it produces a voltage output of 14.8 volts 46Ah, 1 unit of DC DC converter, 1 unit of arduino mega 2560 microcontroller board, 6 units of voltage sensors , 1 current sensor, 5 temperature sensors, 1 microsd card module, 1 bluetooth module, 1 android smartphone, 1 unit relay module, 1 unit fan, DC motor, DC motor rotation manual module and 1 12v charger unit. How this system works, the battery circuit produces a voltage that is connected to the charger when the charging process and DC motor when the discharging process will be detected by a voltage sensor, as an analog signal input to the arduino mega 2560 microcontroller. Where the switching algorithm in the microcontroller will produce a HIGH or LOW signal as input relay circuit to cut off the current flowing into the battery during the charging process and cut off the current flowing to the DC motor load when discharging. The detection of voltage on each battery cell is displayed via a smartphone. From the discharging process test data the most efficient results are at 135 degrees rotation with the resulting time being 14 hours 46 minutes.
perancangan robot lengan pemilah objek sesuai warna berbasis arduino mega 2560 Erwin Ramadhani; Sujono Sujono
MAESTRO Vol 2 No 2 (2019): Edisi Oktober 2019
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

ABSTRACT In this paper designing the robot arm objects according to color. The system consists of Arduino mega 2560, Servo motor, CMUcam5 Pixy, ultrasonic sensor, and DC motor. The objects used are limas, cube and tubes, the colors used are red, yellow and blue. Using an ultrasonic sensor to detect the existence of an object, DC motors are used to drive the conveyor, the camera is used to detect the color of the object, then the data is processed by Arduino Mega 2560 using the programming algorithm. The results obtained on this robot when the active robot conveyor carries the object through the camera CMUcam5 to detect the color of the object and the conveyor will stop when the ultrasonic sensor detects the distance of < 15cm on the object, then the Pencapit robot arm will Work fetching objects and moving them to places according to their colors. So on until the object above the conveyor moves all to the respective container.
SISTEM KONTROL POSISI DAN EKSPANSI MEKANIK ROBOT PENJAGA GAWANG UNTUK MENGHADANG BOLA Sony Alfian; Sujono Sujono
MAESTRO Vol 3 No 1 (2020): Edisi April 2020
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

Pada tugas akhir ini dirancang sistem kontrol posisi dan ekspansi mekanik pada robot penjaga gawang untuk menghadang bola. Sensor yang digunakan adalah Kamera Pixy CMUcam5 yang digunakan sebagai pendeteksi objek dalam hal ini berupa bola berwarna oranye. Sensor ultrasonik sebagai pendeteksi jarak antara robot dengan tiang gawang. Sensor Proximity sebagai pendeteksi ada atau tidaknya bola ke arah robot. Pneumatik sebagai penggerak ekspansi mekanik robot, dan Arduino Mega 2560 digunakan sebagai kontroler. Robot akan melacak bola dan mengikuti arah pergerakan bola dengan cara bergeser ke kanan atau kiri pada lintasan garis gawang, untuk menjaga posisi robot agar tetap tegak lurus terhadap bola. Setelah sensor proximity mendeteksi adanya bola, maka ekspansi akan dilakukan. Dari data pengujian pergeseran bola kekanan dan pergeseran bola kekiri, robot hanya mampu bergeser pada sudut akhir 5,1° terhadap bola dengan jarak pergeseran robot 29 cm pada sudut awal robot terhadap bola 30°. Dari data pengujian robot penjaga gawang pada posisi kanan gawang dan kiri gawang, robot hanya mampu bergeser pada sudut akhir 5,2° terhadap bola dengan jarak pergeseran robot 106,6 cm pada sudut awal robot terhadap bola 45°. Sedangkan dari data pengujian ekspansi robot, robot hanya mampu mendeteksi bola diposisi acak pada jarak 10 cm sampai 40 cm dengan sudut bola terhadap robot hanya -50O , -40O dan 40O , 50O.
Karakter Rasa dan pH Yoghurt Susu Kambing pd lama dan Jenis Starter yang Berbeda Sujono Sujono; Rofat M.R.A; Hendra K; Kusnul K
Berdikari: Jurnal Inovasi dan Penerapan Ipteks Vol 7, No 1 (2019): February
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/bdr.7154

Abstract

Goat milk is one of the commodities of farming products that is highly nutritious and useful for health. However, goat milk has not been currently preferable due to its smell characteristic. One of the ways in order to make goat milk be able to gain consumers’ interests is by turning it into processed product, such as yoghurt. Yoghurt is a drinking product made as the result of milk fermentation yielded from controlled LAB bacteria. This study is the result of organoleptic assessment, in the form of pH and the flavor of one of PUPPIK skim dedicated products. The flavor organoleptic observation with students as the panelists was using de Garmo analytical hedonic test in order to find the most appropriate treatment and the most favorite flavor based on the consumers’ interests. The pH data and data analysis used ANOVA test. The design of this research was RALF (Rancangan Acak Lengkap pola Faktorial/ Factorial Pattern Completely Randomized Design), which consists of 2 factors: fermentation duration (6, 12, 18, and 24 hours) with the temperature of 37OC and the types of starter bacteria (Streptococcus thermophilus, Lactobacillus bulgaricus and combination). Therefore, there were 12 treatments which were repeated 3 times.The result of de Garmo test observation is that the fermentation duration interaction and types of starter bacteria which is mostly preferred by the panelists is the one which is in 24-hour duration of fermentation using Lactobacillus bulgaricus bacteria, with the highest flavor product score of 1,89 (little sour, not bitter), while in term of pH, there is no difference.
PERANCANGAN MAXIMUM POWER POINT TRACKING PADA WINDBELT GENERATOR DENGAN ALGORITMA PERTURB & OBSERVE Aulia Rakhman; Sujono Sujono; Eka Purwa Laksana
MAESTRO Vol 5 No 1 (2022): Jurnal Maestro Vol.5 No.1. April 2022
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

Renewable energy is energy that comes from natural elements and its availability will not run out because it is formed from sustainable natural processes. Renewable energy is an alternative energy to replace fossil energy because it is environmentally friendly and does not produce carbon emissions. Renewable energy sources come from sunlight, wind, water flow, geothermal, etc. One of the renewable energy potentials in Indonesia is wind energy with a total potential of 60.6 GW. Utilization of wind energy can be done by using wind turbines and windbelts to convert wind energy into electrical energy. Windbelt is a device consisting of a permanent magnet, coil and tape to produce electrical energy. When the oscillating band is blown by the wind, the magnet produces a change in magnetic flux, then the magnetic flux captured by the coil produces induced emf at both ends of the coil. In order for the power generated by the windbelt to remain at its maximum point even though the wind speed fluctuates, a Maximum Power Point Tracking (MPPT) system is needed. Therefore, in this study, an MPPT system was designed using the Perturb & Observe (P&O) algorithm by controlling the length and tension of the band based on the windbelt output voltage. The optimal voltage generated by the windbelt is 8.93 Volts without using the MPPT system, while when using the MPPT system the optimal voltage is 5.05 Volts. In testing the MPPT system using a load (condition 2), the output voltage has decreased drastically because the current generated by the windbelt is so small that it cannot pass through the load.
ANALISIS KEBIJAKAN PENDANAAN CAPITAL EXPENDITURE, PENDEKATAN : PECKING ORDER, FINANCIAL LEVERAGE DAN MANAJERIAL HIPOTESIS (STUDI EMPIRIS PADA PERUSAHAAN GO PUBLIC NON KEUANGAN DI BEJ) Rasyid Mei Mustafa; Sujono Sujono
Solusi Vol 8, No 3 (2009)
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1296.799 KB) | DOI: 10.26623/slsi.v8i3.1950

Abstract

Informasi asimetri dan konflik keagenan ekuitas merupakan dua masalah utama yang harus diperhatikan oleh investor dan investor harus meminimalkan dampak yang ditimbulkan oleh masalah tersebut. Riset ini menganalisis kebijakan pengeluaran pendanaan modal dengan pendekatan pecking order.financial leverage dan hipotesis manajerial. Dengan sampel sebanyak 235 yang diperoleh dari perusahaan publik di Bursa Efek Indonesia dan 81 perusahaan non-keuangan menjadi subjek riset ini. Analisis regresi digunakan untuk menganalisis model-model tersebut. Hasil penelitian menunjukkan bahwa manajer dalam memutuskan kebijakan pengeluaran tidak mempertimbangkan kebijakan pecking order dan manajer yang memiliki saham memiliki korelasi yang positif dengan kebijakan pengeluaran modal yang berasal dari dana ekstemal.
Co-Authors A Saga A Sutanto Abdul Haris Kadafi Achmad Rizky Afif Maulana Ahmad Daud Al-Faatih Ahmad Hikmawan ahmad yani Ahmad Yani Ahmad Zakiudin Ainul Hasyim Aisyiah Noviani Ali Mokhtar Aluf Mumtaziah Windayati Ananda Eddy Irvine Anisah Anisah Arief Bondan Satriyo Nugroho Arjuna Andriyanto Cahyo Nugroho Asmah Hidayati Asus Maisar Asus Maizar Suryanto H Atik Martsiningsih Aulia Rakhman Axel Dewo Augustama Bannan Khaulah Hanifah BAYU PRASTOWO Damat, Damat Dhia Farhan Dr. Drh. Lili Zailzar, MS Dr. Drh. Lili Zailzar, MS, Dr. Drh. Lili Dwi Putra Sya'ban Erwin Ramadhani Fardhiasih Dwi Astuti Fath, Nifty Firhan Nur Akbar Adfiansyah Gilang Ramdoni H Sahara Hamidah Hamidah Hany Handajani Hardi Hardi Hari Anggoro Harrizkie Arie Pradana Harry Budi Santoso Hendra K Hendra Kusuma I Baroh Ibnu Hajar Ichsan Maulana Imbang . Imbang ., Imbang Indra Riyanto Ir. Ahmad Yani, M.P. Ir. Ahmad Yani, M.P., Ir. Ahmad Ir. Suyatno, M.Si. Ir. Suyatno, M.Si., Ir. Suyatno, Jalu Nuralim Khusnul Khotimah Koeswini Dwi Ariani Kusnul K La Utu Laksana, Eka Purwa Lili Indah Sari Lili Zalizar Lutfi Wahyu Aryanto Luthfitaris Haidiazi Soehartono Mia Setiawati Mochamad Rizal Ali Rofat Moh. Anshori Aris Widya MP Editor, Ir. Dian Indratmi, MP Muchammad Sobri, S.Pt, Muchammad Sobri, S.Pt,, Muchammad Muhammad Amrizal Bai Muhammad Notonugroho Musafa, Akhmad Natsir Natsir Nazori AZ Noeroes Shobie Ahfan Nur Huda Nur Khasanah, Nur Khasanah,, Nur Nur Khozin Aziz Nur Khozin Aziz, Nur Khozin Okkita Rizan Peby Wahyu Purnawan Ramadhan, Mochammad Wildan Rasyid Mei Mustafa Reto Safitri Reto Safitri, Reto Rodliyah, Shoimatur Rofat M.R.A Safun Rahmanto Santoso, Nurul Adi Silfani L. Tobing Sinta Nurlaela Siti Ainun Marufa SITI FATIMAH Sony Alfian Sri Dwi Hastuti Suryo Hadi Suwasti Broto Suyana Suyana Suyatno . Tatag Budiardi Tati Karyawati Taufani, Ahmad Alfian Tri Niar Sari Ullya Rahmawati Wehandaka . Wehandaka ., Wehandaka WIDANARNI WIDANARNI WISHNU ARIBOWO PROBONEGORO Y Bekti Y Yuananda Yohanes Setiawan Japriadi Yovi A Soedarsono Zakiah Nur Cahya Putri Zulfikar Zulfikar