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Model Pelatihan, Pembinaan dan Pendampingan Usaha Sala Lauak di Ulakan Pariaman Sumatera Barat Handayani, Desi; Yondri, Surfa
Akuntansi dan Manajemen Vol. 10 No. 2 (2015): Akuntansi dan Manajemen
Publisher : Jurusan Akuntansi Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jam.v10i2.101

Abstract

This article discusses the model of training, development and accompaniment of small business of sala Lauak in Ulakan. The purposes of this project are to increase and improve: 1) Understanding of partner to business planning and management by transferring knowledge to improve their ability in accounting and simple book keeping. 2) Their ability to do process traditional food hygienically, using supported tools of production (Frying and packing) 3) The value added of traditional food and their income through product diversification, developing new recipes ,and variety of product sold. 4) Their Services in sales by re lay out stall and sales method in order to comfort their buyer; 5) their product quality by supporting partner get legality of production. 6) Finding the right model for training by sharing method and discussion also direct practice, 7) Finding model of development and empower the community to be role model of conceptual, hygienic and competitive development of region
Artificial Neural Network Application for Aroma Monitoring on The Coffe Beans Blending Process Susanti Roza; Zas Ressy Aidha; Milda Yuliza; - Suryadi; Surfa Yondri
JOIV : International Journal on Informatics Visualization Vol 2, No 3 (2018)
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (761.278 KB) | DOI: 10.30630/joiv.2.3.86

Abstract

This study aims to identify the type of coffee powder aroma from the coffee beans blending using backpropagation artificial neural network (ANN). Backpropagation is a controlled training implementing a weight adjustment pattern to achieve a minimum error value between the the predicted and the actual output. Within this study, the coffee aroma testing utilized electronic tasting sensor system consisted of 4 sensors namely TGS 2611, TGS 2620, TGS 2610 and TGS 2602. The coffee aroma monitoring and data collection in this system applied LabVIEW software as a virtual instrumentation. The testing result of this ANN was able to distinguish the coffee variety of Robusta, Arabica coffee powder and the one without any coffee aroma. The backpropagation architecture was formed by 3 layers consisting of 1 input layer with 4 input nerve cells, 1 hidden layer with 8 neural cells, and 2 output layers by applying the backpropagation training algorithm. The training data was taken from 70 data samples of each circumstance of coffee with 5 testing times. The results of the training and testing showed that the established backpropagation was capable to identify and differenciate the coffee powder in accordance with the given input with different average success rate;  91.96% for Robusta coffee, 100 % for Arabica coffee, and no 84.24% for without coffee aroma.
PENGENDALI BEBAN LISTRIK MENGGUNAKAN HAND PHONE MELALUI MISSCALL Ahmad Bahri Joni Malyan; Surfa Yondri
Elektron : Jurnal Ilmiah Vol 4 No 2 (2012): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (269.39 KB) | DOI: 10.30630/eji.4.2.28

Abstract

An Electric Load Controller is a tool to make easier an implementation of repeated activities such as to turn on and turn off the electric load by using a hand phone as a controller. The controller aims to take into account problems related to control systems and to design a control system that can be implemented in the house hold in case of turning on and off electric loads. A user may turn on and off electric loads from a remote place easily. The design of control, microcontroller, relay, load and rectifier are applied on this research. Furthermore, a hand phone is used for the missed call feature and IC AT89S52 is used on the microcontroller design through BASCOM 8051 programming so as to make missed call feature can be transmitted to a destination number without manually turning off and on electrical devices at home.
PENGARUH PENYEIMBANGAN BEBAN TRAFO DISTRIBUSI TERHADAP ARUS NETRAL Surfa Yondri; Tri Artono; Hengki Purnama Sari
Elektron : Jurnal Ilmiah Vol 5 No 1 (2013): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (892.372 KB) | DOI: 10.30630/eji.5.1.37

Abstract

Load balancing is load balancing activities in each phase distribution transformers are not balanced, the goal to reduce the magnitude of the neutral current transformer because inequality between phases. This activity was done by measuring each phase transformer load, calculate the average current in each phase, and shifted the burden of heavily loaded phase to phase which has a lot fewer burdens. Load balancing is done on a regular basis every 6 months. PT. PLN (Persero) Rayon Bukittinggi perform load balancing on the distribution transformer substation 100 KVA Distribution Tabek Gadang Tower 2 times on Wednesday, 15th May 2013 at 19:30 pm and Thursday, 16 May 2013 at 19:30 pm. First, by moving the load phase T to phase S at 18 A. Second, by moving the burden from phase to phase R T at 9 A. and load phase T to S phase by 11 A. load balancing distribution transformers 100 KVA Substation Tabek Gadang Tower is near parity with the transformer neutral currents in 14.18 A.
PEMETAAN JARINGAN DISTRIBUSI (SUTM) 20 kV DAN PERKIRAAN KEBUTUHAN LISTRIK DI KECAMATAN PAYUNG SEKAKI, KABUPATEN SOLOK Surfa Yondri; Witrionanda witrionanda; A fadly
Elektron : Jurnal Ilmiah Vol 5 No 2 (2013): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.512 KB) | DOI: 10.30630/eji.5.2.51

Abstract

Payung Sekaki district is one of the area in Solok Region that needs the development of electricity network. To support its development plan, the real condition of Payung Sekaki district should be known. The mapping method is one of the way to know the already implemented electricity area.Based on the mapping result, it is known that the electricity network of SUTM 20 kV at Payung Sekaki district has been implemented in Sikrukam area and Supayang area and not yet in Aie Luo area. The estimation method of electricity needs at Payung Sekaki district is motivated to get information on its development based on economic and population growth. Data processing results using SPSS show that the eletricity needs at Payung Sekaki district from 2013 to 2014 will dramatically increase followed by the increasing of economic growth in spite of population growth is still remain the same.
Pengembangan E-Authentic Asessment Berbasis PBL untuk Meningkatkan Kompetensi Mahasiswa dalam Pembelajaran Jaringan Komputer Ambiyar; Raimon Efendi; Waskito; Surfa Yondri; Yuyun Irawati
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 3 No 3 (2019): Desember 2019
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (438.346 KB) | DOI: 10.29207/resti.v3i3.1390

Abstract

This study aims to develop authentic online assessment instruments based on problem based learning. Authentic assessment instruments will be accessed online in computer network learning to measure student competencies effectively and efficiently. Type of research is research and development and used refer to the 4 D model (define, design, develop, disseminate). The analysis technique uses the Aiken'V test, and validity uses expert testing and Focus Group Discussion (FGD). The practicality test is carried out by applying the product to students in the form of a product practicality questionnaire and to test the effectiveness using basic time series design. Validity test results show the RPS and instruments developed are valid with Aiken's V values ​​of 0.708 and 0.716. Practicality test results on the practicality test by lecturers and students on the RPS were 93% and authentic assessment 91%. Effectiveness test results with time series analysis were 38% with the effective category. The implication of the study is that there is a positive effect on learning outcomes, the value of students completeness increases and the gain score test is 0.38 in the medium category. The findings of this study have resulted in e-authentic assessment instruments with valid, practical and effective categories.
Perancangan Dan Implementasi Sistem Informasi Presensi Terpadu Pada Politeknik Negeri Padang Roni Putra; Surfa Yondri; Ervan Asri; Revalin Herdianto; Junaldi
JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Vol 1 No 2 (2020)
Publisher : Jurusan Teknologi Informasi - Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (769.071 KB) | DOI: 10.30630/jitsi.1.2.8

Abstract

Making lecture schedules manually is very difficult. We have to check every schedule if it does not conflict with the existing schedule and is time consuming and inefficient because of frequent errors. After the schedule is complete, every day there is a process of student attendance recapitulation and lecturer attendance recapitulation, this process often occurs with recap errors and is very long, for example student recaps can be done for months and when informing student compliance is late, many students complain. With this problem, the authors make changes so that the problem is resolved by using the FET application for scheduling lectures quickly, efficiently and accurately, the results of the lecture schedule we can import into the MySQL database then will be displayed and processed in the form of an information system-based website. can manage student and lecturer attendance online recap quickly and accurately.
The Use of Artificial Neural Networks (ANN) in the Chayote Chips Dough Mixer Roza Susanti; Zas Ressy Aidha; Surfa Yondri; Sir Anderson; Tri Oktaviandra
Andalas Journal of Electrical and Electronic Engineering Technology Vol. 2 No. 2 (2022): November 2022
Publisher : Electrical Engineering Dept, Engineering Faculty, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/ajeeet.v2i2.27

Abstract

This study uses a backpropagation neural network to determine the evenness of the chayote chip dough. The Tcs3200 Color Sensor mounted on the stirrer alt is used as a sensor to determine the color of the chayote emping dough. A regression score of 1 indicates that the input and target data match in the test results of the artificial neural network, which has an objective error (MSE) value of 0.0096306 achieved in the 313th epoch. Changes in RGB color readings on the TCS sensor from min values ??<40 and max values>52 in mixing dough are influenced by distance and light intensity which will be converted in the form of frequency.
Optimasi Pengeringan Bahan Kerupuk Dengan Menggunakan Oven Berbahan Bakar GAS Dedi Kurniadi; Surfa Yondri; Randy Heriyanto
Jurnal Abdimas: Pengabdian dan Pengembangan Masyarakat Vol 3 No 2 (2021)
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (788.345 KB) | DOI: 10.30630/jppm.v3i2.608

Abstract

Proses pengeringan sangat diperlukan dalam proses produksi kerupuk. Proses pengeringan merupakan pengurangan kadar air yang ada dalam bahan sehingga mencapai batasan tertentu. Pengeringan dengan menggunakan cahaya matahari bisa dilakukan selama cuaca masih mendukung akan tetapi ketika musim hujan datang proses pengeringan akan terganggu. Sehingga hal ini menjadi tantangan untuk pengusaha kerupuk supaya bisa melanjutkan produktifitasnya meskipun ketika musim hujan datang. Tim pengabdi berupaya untuk mencarikan solusi terhadap kendala yang dialami mitra melalui penyediaan alat pengering oven otomatis berbahan bakar Gas. Dengan adanya oven berbahan bakar Gas ini proses pengeringan bisa dilakukan lebih cepat dibandingkan dengan pengeringan menggunakan cahaya matahari secara langsung. Selisihnya mencapai 15 Jam 30 menit. Kemudian hitungan secara efisiensi, dengan bertambahnya biaya operasional sebesar Rp.100.00 akibat penggunaan oven bisa menanggulangi kerugian bahan baku sebesar Rp. 2.055.000 dan peraihan omset pun masih bisa dicapai meskipun musim hujan datang.
The empirical analysis of production-based entrepreneurship training model, readiness and locus of control towards students entrepreneurship self efficacy Ganefri, Ganefri; Hidayat, Hendra; Yulastri, Asmar; Yondri, Surfa
International Journal of Research in Counseling and Education Vol 5, No 1 (2021): International Journal of Research in Counseling and Education
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (187.96 KB) | DOI: 10.24036/00434za0002

Abstract

This research was conducted because the students' self-efficacy in entrepreneurship is still low. Production-based entrepreneurship training model, learning readiness is assumed to be a factor that affects student entrepreneurship self-efficacy. The purpose of this study was to examine the contribution of the production-based entrepreneurship training model, learning readiness, and locus of control to student entrepreneurship self-efficacy. This study uses quantitative methods with multiple regression. The population is all students who take the general course of entrepreneurship in Higher Education as many as 500 people, and a sample of 200 students who are selected using proportional stratified random sampling. The questionnaire stands as an effective data collection method to examine the variables to be measured and the answers expected by the respondents. The questionnaire applied the Likert scale by providing opportunities to answer each item. Data were analyzed using multiple regression. The research findings show that there is a joint contribution of the production-based entrepreneurship training model, learning readiness, and locus of control to the entrepreneurial self-efficacy of students