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All Journal Teknika Proceeding of the Electrical Engineering Computer Science and Informatics JURNAL INTEGRASI
Azwardi Azwardi
Politeknik Negeri Sriwijaya
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Other

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Alat Pendeteksi Kadar Keasaman Sari Buah, Soft Drink, dan Susu Cair Menggunakan Sensor PH Berbasis Mikrokontroler Arduino UNO ATMEGA328 Dede M. Yusuf; Azwardi Azwardi; M. Miftakul Amin
TEKNIKA Vol. 12 No. 1 (2018): Teknika Januari - Juni 2018
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1040.778 KB) | DOI: 10.5281/zenodo.3865138

Abstract

Mendeteksi kadar pH sangat diperlukan dalam upaya mengetahui kadar keasaman pH suatu cairan pada minuman. Selama ini masyarakat tidak mengetahui apakah minuman yang dikonsumsi memiliki tingkat keasaman yang tinggi atau sebaliknya memiliki kebasaan. Kebanyakan masyarakat masih menggunakan cara manual dalam mengukur pH suatu cairan, seperti menggunakan kertas lakmus. Karena tidak semua orang mengetahui cara mengukur kadar keasaman, maka diperlukannya alat pendeteksi kadar keasaman untuk mengetahui kadar pH dalam cairan. Dalam hal ini cairan yang diuji adalah sari buah, soft drink, dan susu cair. Sensor yang digunakan adalah sensor pH dengan akurasi pembacaan data ±0.1. Sensor pH mendeteksi kadar keasaman yang terdapat pada suatu larutan dan menghasilkan suatu resistansi. Resistansi inilah yang kemudian diolah menjadi tegangan sehingga didapatkan data digital yang diolah melewati port ADC pada Arduino. Mikrokontroler akan mengirimkan data secara serial ke komputer untuk dapat dimonitoring. Data yang masuk akan menampilkan grafik dan nilai pH menggunakan bahasa Visual Basic.
The Elimination of Overshoot Curve Response of Closed Loop in Proportional Integral (PI) Controller Azwardi Azwardi; Cekmas Cekdin
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 2: EECSI 2015
Publisher : IAES Indonesia Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (559.902 KB) | DOI: 10.11591/eecsi.v2.798

Abstract

Most operators in industry use trial and error methodin determining the parameter in PID controller. This way isquite dangerous because it cannot predict what will happen inthe next process. For this, we need a method that can adjust thechanging of parameter in process, and simultaneously retune theparameter of controller automatically. Ziegler-Nichols method, amethod for setting parameter of PID controller, can be use foreliminating the oscillation and reducing overshoot curve in aprocess. This method is common yet, but it offers simpleprocedure but produce quick and accurate result. This methodanalyzes the curve of a process. It is done when oscillation andovershoot projected onto x-axis (time) occurred. The parametersresulted from this analysis among others are: critical gain (Kpu),time/period oscillation (Tosc), static gain (K), proportional gain(Kp), integral time Ti, and differential time Td. These parameterswill be tuned to PID controller using Ziegler-Nichols method.The overshoot (Mp) curve response of closed loop in thissimulation is 0 %. It will save energy and time beside that thestability of system can be maintained.
Perancangan Alat Pendeteksi Kandungan Alkohol dalam Minuman Berbasis Mikrokontroler Azwardi Azwardi; Ikhtison Mekongga
JURNAL INTEGRASI Vol 4 No 2 (2012): Jurnal Integrasi - Oktober 2012
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

In the world of technology, found the smell detection sensor or gas sensor would be very helpful in the industrial world. Some kind of a drink right now is mostly a mixture of chemicals that are harmful to our bodies. ALKOHOL is one such example. Detector ALKOHOL content in the beverage ALKOHOL utilizing young evaporated. The sensor used is TGS2600, TGS2620, and AF63. Where the sensor is very sensitive to the ALKOHOL. In general, the sensor will change its resistance when exposed to ALKOHOL vapors.
Co-Authors Ali Djamhuri Dede M. Yusuf Ikhtison Mekongga M. Miftakul Amin