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All Journal Jurnal Otomasi Kontrol dan Instrumentasi JURNAL EKSAKTA PENDIDIKAN (JEP) Pelita Eksakta Sainstek : Jurnal Sains dan Teknologi Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika Pillar of Physics: Jurnal Berkala Ilmiah Fisika

Zulhendri Kamus

Universitas Negeri Padang

Author-ID : 2756618

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Other

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Studi instrumen emisi debu tipe durag D-R 290 dalam menentukan karakteristik debu hasil pembakaran klinnker di Indarung V PT. Semen Padang (The study of the D-R 290 durag type dust emission instrument in determining the characteristics of dust from combustion clinics at Indarung V PT. Semen Padang ) Desti Liala Kurnia; - Asrizal; Zulhendri Kamus
PILLAR OF PHYSICS Vol 11, No 2 (2018)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Information about the measurement of dust and processing of measurement data needs to be known. But the reality shows that the information on dust emission instruments and processing data is still lacking. With this basis, research on dust emission instruments and processing of measurement data needs to be done. The research method used in this study is a descriptive research method with a quantitative approach in which the object of research is an instrument of dust emissions. The procedure of this study is in accordance with the steps for descriptive research. The results of this study indicate that the average measurement results of dust emissions with an hourly measurement range still provide measurement results below the specified limit limit. The threshold is based of Environment Regulation LHK No. 19 of 2017 concerning emission quality standards for cement industry businesses and / or activities, namely 75 mg/Nm3. Measurement for 6 months with a weekly measurement range of 25 weeks, obtained an average value of the results of the measurement of dust density of 18.96 mg/Nm. Dust density is directly proportional to the level of translucency, the larger the dust density, the higher the translucency level will also be.

Analisis sistem instrumen intensity meter p-alert dan data hasil pengukurannya (System analysis of the intensity meter p-alert instrument and its measurement data) Yeni Rahman; Zulhendri Kamus; Rachmad Billyanto
PILLAR OF PHYSICS Vol 5 (2015)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Earthquake would cause ground acceleration. To the ground acceleration can be measured by using intensity meter p-alert instrument. Instrument compiled of sensor, modem, hub D-Link, and display. This research to describe the constituent components and data analysis. The sensor used in instrument is triaxial MEMS accelerometer ADIS16223 and digital signal processing component used microcontroler MaximMAX7219 with RJ45 data communication. Data analysis of peak ground acceleration for five times earthquakes use P-Alert Early Warning software

Fabrication of digital linear expansion experiment set based on the ATMEGA328 microcontroller Nofsi Meiza; Yulkifli Yulkifli; Zulhendri Kamus
PILLAR OF PHYSICS Vol 10 (2017)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Development of science and technology can’t be separated from physics. Basically physics is born and grow doing by experiments. For more accurate results of the research, required experiments with the level of high accurate. In the laboratory, experimental linear expansion is analog. Results of analog eksperiment has an error. This research has purpose for determine the performance specifications and desain of digital microcontroller atmega328. Based on research results obtained, first meansure of experiments digital linear expasion process in output sensor and changing obtained with the expected output. Result of experiment digital is displayed with LCD. Sensor used is LM35 temperature sensor of metal, brass, and iron. Second, experiment digital for linear expansion has the percentage of precision in brass, iron, and aluminum respecteli is 97.58%, 95.92%, and 97.98%. While for precision is 0.97, 0.95, and 0.97

Pengembangan prototipe sistem pengukuran KWH meter digital presisi komunikasi dua arah menggunakan short message service berbasis Mikrokontroler AT89S52 dan Atmega16 (Development of a two-way communication precision digital KWH meter measurement system prototype using a short message service based on the AT89S52 and Atmega16 microcontroller) Yosep Permana; - Asrizal; Zulhendri Kamus
PILLAR OF PHYSICS Vol 1 (2013)
Publisher : Department of Physics – Universitas Negeri Padang UNP

ABSTRACTMeasurement system of electrical energy of PLN customers is done manually can cause errors. These Errors can occur when reading the data of KWH meter and entering the data into customer database system. Based on this fact development of automatic KWH meter with Short Message Service is important. Digital KWH meter can measure electrical energy more precise, turn off electricity automatically and turn on it base on a database. In general, this research intend to design and develop a digital KWH meter with measurement system using the short message service with two direction of communication base on microcontroller AT89S52 and ATMega16. The data obtained through measurement is analyzed in two methods, namely by statistics and graphs. There are four results of this research, those are : 1. KWH meter consists of two parts, namely KWH Meter Digital System and System server for database, 2. Accuracy from rotation disk value, KWH value and cost of customer each are 100%, 99.30% and 100%, Precision from rotation disk value and KWH value each are 1 and 0.99, 3. Time to send data KWH to copy into customer database is 37.65s, 4. Time to turn of and turn on KWH meter each are 11.97s and 19.15s. Keywords : KWH meter, optocoupler sensor, short message service

Study on tools and measuring results of wind speed using the agroclimate automatic weather station (AAWS) instrument at BMKG Sicincin Astuti Kirana Fachry; Zulhendri Kamus; Sugeng Nugroho
PILLAR OF PHYSICS Vol 9 (2017)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Wind speed and direction is required data in agriculture. Wind speed and direction will usually help pollinate plants, but it can also be used for the determination of the future grow. One of the instrument used to determine wind speed and direction are AAWS (Agroclimate Automated Weather Station). This instrument is used to measure weather elements Unsu-one speed and direction of this AAWS angin.Pada for measuring the weather elements such as wind speed and direction using an ultrasonic anemometer. The wind data must first be processed and analyzed so that it becomes useful information, one result is a diagram windrose plot (WRPLOT). WRPLOT can perform calculations in generating wind rose diagrams and frequency distribution of wind data quickly so that the information resulting from the analysis of wind speed and direction to be more informative and interactive. From the analysis of the measurement data of wind speed and direction were performed using WRPLOT showed, that the wind speed in the morning with a range 2,1-3,6m / s blowing from the southwest. During the day the wind speed decreased to 0.5 to 2.1 m / s blowing from the northeast and east. While at night the average wind speed was 0.5 to 2.1 m / s blowing from the northeast and east as well.

Fabrication of digital parabolic motion experiments set based on the ATMEGA328 microcontroller to measure motion parameters Farah Sarjani; Yohandri Yohandri; Zulhendri Kamus
PILLAR OF PHYSICS Vol 10 (2017)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Technological developments have produced many tools that can facilitate human work in industrial and scientific needs. In addition, electronics has also produced sophisticated components, both in the manufacture of measurement systems and experimental set-making system. This research created a set of digital parabolic motion experiment that display the value of time, speed and distance of objects. The purpose of this research is to know the performance and design spesifications a set of digital parabolic motion experiment using photogate and vibration sensors based on ATMega328 microcontroller to measure the parameters of motion. This research is a laboratory experiment. The measurement technique used is direct and indirect measurements. Direct measurement made to determine the value of time, speed and distance of objects that display on the LCD. Indirect measurement is made to determine the accuracy and precision of digital parabolic motion experimental set system. Analysis of measurement results can be explained that there are two important results from this research. First, the result of the measurement system design consist of launcher made from the photogate and vibration sensors as the sense of object (projectile) passing through the sensor. Second, set of digital parabolic motion experiment has a precise value that can be determined from the percentage of error between the actual value

Pembuatan set eksperimen gerak vertikal bawah berbasis Sensor Ping dan Sensor Photogate dengan tampilan PC (Fabrication of a set of bottom vertical motion experiments based on Ping Sensor and Photogate Sensor with PC display) Maria Idayu; - Yulkifli; Zulhendri Kamus
PILLAR OF PHYSICS Vol 12, No 1 (2019)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Perkembangan ilmu pengetahuan dan teknologi tidak terlepas dari peran berbagai disiplin ilmu yang ada, salah satunya Fisika. Salah satu fenomena fisika adalah gerak jatuh bebas. Penelitian ini menjelaskan spesfikasi desain, validasi dan spesifikasi performansi set eksperimen gerak jatuh bebas. Hasil dari sistem performansi set eksperimen gerak jatuh bebas ini terdiri sistem mekanik dan elektronik. Sistem mekanik terdiri dari sensor photogate,sensor ping, sensor getaran, statif, lengan statif, dan dasar statif. Sistem elektronik set eksperimen gerak jatuh bebas terdiri dari catudaya, rangkaian LCD, rangkaian reset, rangkaian pengontrolan magnet, rangkaian sensor getar, rangkaian sensor ping dan rangkaian sensor photogate. Hasil darispesifikasi dari set eksperimen gerak jatuh bebas terdiri dari ketelitian, ketepatan dan validasi alat. Ketepatan pengukuran set eksperimen ini adalah 97,84%, ketelitian dari set eksperimen ini adalah 99,63% dengan standar deviasi sebesar 0,00022 dan validasi set eksperimen ini berada pada kriteria sangat valid dengan nilai rata-rata validasi tenaga ahli adalah 86,66%.

Pembuatan alat ukur sudut datang dan intensitas cahaya matahari real time menggunakan sensor accelerometer dan LDR (Measuring instrument fabrication of incidence angle and real-time sunlight intensity using accelerometer and LDR sensors measuring instrument) Ocha Samantha Feriyana; Zulhendri Kamus
PILLAR OF PHYSICS Vol 12, No 1 (2019)
Publisher : Department of Physics – Universitas Negeri Padang UNP

This research aims to determine the accuracy and accuracy of the measuring instrument of the angle of arrival and the intensity of sunlight in real time using an accelerometer sensor and LDR. . To achieve this goal, R & D research was conducted which consisted of: reviewing existing tools, conducting literature studies, planning tool development, internal testing of tool design, revision of tool design, limited testing of measuring instruments, revision of measuring instruments and field trials main. Data were analyzed using calculations to find out the accuracy of measurements. The results of data analysis explain two important things from making a measuring instrument system. First, the angle of view measuring instrument and the intensity of sunlight consist of an accelerometer sensor and LDR. Measurement data is displayed on the LCD. Second, the accuracy and accuracy of the measuring instrument. In the measurement results, the azimuth values obtained from the measuring instrument are compared with the data obtained from BMKG. From the results of these comparisons, the average percentage of accuracy and error in measuring instruments is 95.5% and 4.52%. In the sun light intensity, the results of data analysis showed that the accuracy and error measurement of light intensity were 92.83% and 7.17% respectively.

Studi Hasil Pelatihan Analisis Video dan Tool Pemodelan Tracker pada Guru MGMP Fisika Kabupaten Agam Asrizal Asrizal; Yohandri Yohandri; Zulhendri Kamus
JURNAL EKSAKTA PENDIDIKAN (JEP) Vol 2 No 1 (2018): JEP : Jurnal Eksakta Pendidikan
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jep/vol2-iss1/84

Experiment is important in physics to explain and describe a physical phenomenon and its characteristics. For this reason physics teachers should conduct the physics experiment activities to motivate students in learning and to improve scientific process skills, scientific attitudes, and student understanding in physics learning. However, in the experiment activities of physics were found many problems such as experiment equipment was insufficient, there is no equipment, equipment can’t operated well, and so on. An alternative solution to solve this problem was to do the video analysis and modeling tool tracker on physics teacher. The purpose of this research was to investigate the effects of the implementation the tracker video analysis and modeling tool on physics teachers. The research design was pretest and postest for one group sample. The sample of research was 26 physics teachers of Physics MGMP teacher in Agam district of West Sumatera. Instruments to collect the data consist of pretest and postest sheet, performance assessment sheet of video analysis product and questionnaires sheet of physics teachers. Data analysis techniques include descriptive statistical analysis, normality test, homogeneity test and paired comparison test for one group sample. From the data analysis, it can be stated that: 1). the average value of video analysis products from physics teachers is 85.10 and this value can be classified into very good category, 2). the average value of responses of physics teachers on training implementation of video analysis and tool modeling is 73.81 and this average value can be grouped into good category, and 3). the implementation of video analysis training of object motion video by using tracker software is effective to improve the understanding the physics MGMP teachers in Agam district on learning material of tracker video analysis and modeling tool, but the average value of understanding still in the low category.

Pengembangan Konten Nilai-Nilai Kecerdasan Emosional dalam Materi Pembelajaran Fisika pada Bahan Ajar Zulhendri Kamus; Asrizal Asrizal; Aufha Diny Putri
JURNAL EKSAKTA PENDIDIKAN (JEP) Vol 2 No 2 (2018): JEP: Jurnal Eksakta Pendidikan
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jep/vol2-iss2/247

Learning of physics according to the curriculum 2013 emphasizes the comprehensive achievement of student competence, so that the equality between soft skills and hard skills is formed. The role of learning materials especially physics subject is very important to support implementation of curriculum for physics learning. In fact, the knowledge and skills content of physics learning materials used students in school is more than attitude content. Development of physics learning materials integrated the values of emotional intelligence is the alternative solution of this problem. This research use Research and Development (R&D) method. This paper explains results of preliminary and main field testing of the physics learning materials integrated the values of emotional intelligence. This product has a validity value of around 85.83 or a very valid category. Based on data analysis, there are two results from this research. First, the practicality value of product according to teacher and student are an average score of 88.1 and 82 respectively or very high category. Second, the physics learning materials integrated emotional intelligence values is effective to improve the student competences in learning. The results of research indicate that the emotional intelligence value developed in physics material is feasible using in physics learning than it able to realize the comprehensive competence achievement.

Co-Authors - Asrizal Abd. Rasyid Syamsuri Amali Putra Annisa Rahma Sari Asrizal Asrizal Asrizal Asrizal Asrizal Asrul Asrul Astuti Kirana Fachry Aufha Diny Putri Aviatul Hasanah Ayu Triana Desnita Desti Liala Kurnia Djusmaini Djamas Elfi Susilawati Ernita Susanti Esti Aprilia Usman Faradillah Faradillah Farah Sarjani Fauzy Dwi Ardi Firda Annisa Gusnedi Gusnedi Gusnedi Gusnedi Hamdi Rifai Hanisa Ayudia Saleh Hayatul Islamiah Heni Nofira Hidayati Hidayati Hira Khairunnisa Jully Ermisa Junaidy Syam Mahrizal Mahrizal Mairizwan, Mairizwan Maria Idayu Masril Masril Maulana Aflah Maulana Aflah Mona Berlian Sari Muhammad Ihsan Qudratullah Murtiani Murtiani Nila Yulita Nofsi Meiza Nurhayati Nurhayati Nurry Putri Tissos nurul fajra Ocha Samantha Feriyana Pakhrur Razi Putri Auliyani Putri, Aufha Diny Rachmad Billyanto Rahma Fikri Nuradi Ramli Ramli Ratnawulan . Renggina Anamunamita Renol Afrizon Rif’il Husniyah rika septian amelia Sepna Gitnita Serly Samarantika Siltri, Dina Mulya Silvi Atika Sari Siti Fajar Aldilha Yudha Solly Aryza Sri Wahyu Hidayati Suci Indah Putri Suciani Liniswanti Sugeng Nugroho Suliati Suliati Sulpiana Sulpiana Sumi Sahara Syafwan Syafwan Tri Septiani Wenni Tiarasari Windy Putri Chania wita nirmala Yanti, Nurfitriza Yeni Rahman Yenni Darvina yenni nofita sari Yohandri Yohandri Bow Yosep Permana yudia laili Yulkifli Yulkifli Yulkifli Yulkifli Yuni Azmanita

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