Smart Inventory Management System for Photovoltaic-Powered Freezer Using Wireless Sensor Network

Basa, Janus Jade A.; Cu, Patrick Lourenz G.; Malabag, Nathaniel N.; Naag, Luigi Angelo V.; Abacco, Dan Frederico P.; Siquihod, Mar Jun M.; Madrigal, Gilfred Allen M.; Tolentino, Lean Karlo S.

doi:10.30534/ijeter/2019/057102019

Cited by 11 publications

(8 citation statements)

References 3 publications

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“…Tabel 1 menunjukan hasil kalibrasi faktor kalibrasi dari sensor load cell dengan hasil nilai faktor kalibrasi 285,0 yang dapat memberikan penunjukan paling mendekati massa anak timbangan 1 kg. Faktor kalibrasi merupakan faktor koreksi dari sensor load cell yang membuat sensor dapat menunjukan nilai pengukuran yang sesuai atau mendekati nilai anak timbangan yang ditimbang [32]. Dengan hasil pada Tabel 1, faktor kalibrasi sebesar 285,0 kemudian digunakan untuk kalibrasi sensor load cell dan hasilnya ditunjukan pada Tabel 2.…”

Section: Hasil Dan Pembahasanunclassified

Pembuatan Prototipe Instalasi Uji Meter Air Elektronik Tipe Vertikal Metode Gravimetrik dan Pengaruh Kekeruhan terhadap Akurasi Pengukuran

Firmansyah¹

2021

JIIF

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Meter air merupakan alat ukur yang digunakan untuk menunjukan jumlah volume air atau laju alir dari fluida yang dialirkan melalui saluran pipa. Agar dapat menunjukan hasil pengukuran yang akurat, meter air harus dikalibrasi dengan memenuhi semua kondisi yang dipersyaratkan, termasuk di dalamnya kondisi air uji yang digunakan di dalam instalasi uji. Sesuai dengan Rekomendasi OIML R 49-2, air uji tersebut harus memenuhi persyaratan air minum, tidak mengandung bahan yang dapat merusak meter air dan berbahaya bagi manusia. Salah satu parameter kualitas air yang dapat merusak meter air adalah tingkat kekeruhan. Untuk menguji parameter kekeruhan, prototipe instalasi uji dibuat agar dapat mengukur kekeruhan dan mengalirkan air uji secara vertikal menuju meter air lalu air keluarannya ditimbang pada suhu tertentu untuk diubah menjadi volume dan dibandingkan dengan volume dari meter air. Prototipe ini menggunakan berbagai sensor dan hasil kalibrasinya menunjukan tingkat akurasi dan presisi yang tinggi yaitu sensor loadcell 99,8% dan 99,9%; sensor volume 95,4% dan 93,6%; sensor suhu 96,3% dan 95,9%; dan sensor kekeruhan dengan tingkat kesalahan 0,5% dan RSD 3,3%. Hasil pengujian pada meter air digital tipe vertikal menunjukan peningkatan tingkat kesalahan dari 0,5% menjadi 3,0% dan 4,7% pada saat kekeruhan dinaikan dari 17,1 NTU (air bersih) menjadi 36,9 NTU dan 95,6 NTU melalui penambahan tanah pada air uji. Efek kekeruhan lebih terlihat saat menggunakan densitas hidrometer, peningkatan tingkat kesalahan dari 0,9% menjadi 4,5% dan 7,2% teramati.

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Section: Hasil Dan Pembahasanunclassified

Pembuatan Prototipe Instalasi Uji Meter Air Elektronik Tipe Vertikal Metode Gravimetrik dan Pengaruh Kekeruhan terhadap Akurasi Pengukuran

Firmansyah¹

2021

JIIF

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“…Other supporting data were obtained from reference books, journals, and relevant previous studies. Some references can be considered for further multi disciplinary studies [15]- [16]…”

Section: Waste Reductionmentioning

confidence: 99%

Waste Reduction in Green Productivity in Small and Medium-Sized Enterprises of Kampoeng Batik Laweyan

Muslimah¹

2020

IJETER

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This study aims to provide recommendations for reducing the concentration of chemicals in liquid waste. The method used is waste reduction, which is one of the goals in Green Productivity (GP). Waste parameters used for testing are COD (Chemical Oxygen Demand), BOD (Biological Oxygen Demand), TSS (Total Solid Suspended), pH, total chromium, and phenol. Waste reduction applied is by filtering technique, which uses natural materials such as palm fiber, sand, activated charcoal, zeolites, and gravel. This simple filtration can safely be used at home and larger scale batik SMEs. Waste samples were taken from different SMEs, which are SME A with large scale production capacity and SME B with a small scale. The liquid waste tested was pure waste before filtration and waste after filtration. Waste testing was performed in a laboratory and the results show that the concentration of the tested parameter decreased. The decrease in concentration was significant. The results of SME A show that COD, BOD, and TSS decreased by 85.8153%, 77.09251%, and 90.65744% respectively. While the pH increased 15%, total chromium was still within safe limitation and phenol decreased by 86.56255%. Whereas, SME B had a decreased concentration of waste by 66.67%, 41.22%, 72.34%, and 5.55% respectively. The pH had increased by 5.55%, total chrome was found in a safe perimeter. The results of the two SMEs show that the waste reduction effort with filtration can reduce the concentration and increase the pH of the liquid waste before filtration. This is expected to reduce the negative impact of batik liquid waste on the environment.

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“…With the addition of new sensors, such as the gas sensor, to measure methane emissions [15], however, the application of these new techniques to rotary composting, which has huge advantages over static composting, remains a design challenge requiring several experiments on prototyping [16] and innovative technology transfer [17] as well as a remote application and control challenge based on the data collected with different sensors that are stored in a web application [18]- [19].The objective of this work is to design and manufacture a small-scale or large-scale continuous rotary drum composting machine with real-time monitoring and control of all composting parameters with odor reduction. The structure of this work is as follows: The first section focuses on the operating principle, the design.…”

Section: Introductionmentioning

confidence: 99%

Innovative Design and Realization of a Smart Rotary Composter with a Remote Management System

Elalami¹

2020

IJETER

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This article describes the importance of using the most efficient and quickest means to treat organic waste, in this work we presented the design and realization of an automated machine that produces compost for 4 weeks with the reduction of 80% of the products per day in the city, in fact this technique will be an effective tool for provincial managers, and can be used on a small or large scale. As well as the remote control technique based on the communication between the remote database MySQL and the arduino UNO card and wifi module EPS8266, this exchange allows to control all the parameters of the composting process through a web application that presents these data in different forms, therefore the handling of the composter becomes more and more efficient and easy.

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Smart Inventory Management System for Photovoltaic-Powered Freezer Using Wireless Sensor Network

Cited by 11 publications

References 3 publications

Pembuatan Prototipe Instalasi Uji Meter Air Elektronik Tipe Vertikal Metode Gravimetrik dan Pengaruh Kekeruhan terhadap Akurasi Pengukuran

Pembuatan Prototipe Instalasi Uji Meter Air Elektronik Tipe Vertikal Metode Gravimetrik dan Pengaruh Kekeruhan terhadap Akurasi Pengukuran

Waste Reduction in Green Productivity in Small and Medium-Sized Enterprises of Kampoeng Batik Laweyan

Innovative Design and Realization of a Smart Rotary Composter with a Remote Management System

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