S. Suryono
Instrumentation And Electronic Laboratory, Physic Department, Faculty Of Science And Mathematic, Diponegoro University Of Semarang, Indonesia

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UJI RESOLUSI SPASIAL PADA PERANGKAT LUNAK COMPUTED RADIOGRAPHY MENGGUNAKAN PENGOLAHAN CITRA DIGITAL Hilmi Trian Setyawan; Suryono Suryono
Youngster Physics Journal Vol 3, No 4 (2014): Youngster Physics Journal Oktober 2014
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

This research conducted the spatial resolution of images in computed radiography using digital imagery. Spatial resolution testing aims to calculate the value of spatial resolution of computed radiography. The spatial resolution of images is useful to show the images of an object that is very useful for the smallest uphold the radiography diagnosis. The method used stars from doing expose on TOR CDR phantom with tube voltage variations, 70 kV, 72 kV, 74 kV, 76 kV, 78 kV, 80 kV, and 82 kV, read on computed radiography, the images is transferred to the computer software and then make a matlab program to calculate the spatial resolution of the image then performed to analysis. The results obtained images on the 70 kV has an average value of spatial resolution of 0,095 mm/pixel. This value is within the specified tolerance limit AAPM number 93 of 2006 which is less than 0,2 or 0,1 mm/pixel. Of spatial resolution values are not influence by tube voltage variation.Keywords: Spatial resolution, Phanthom TOR CDR, Matlab
Wireless sensor system untuk pengukuran daya listrik panel surya Yurixa Sakhinatul Putri; Suryono Suryono; Jatmiko Endro Suseno
Youngster Physics Journal Vol 6, No 3 (2017): Youngster Physics Journal Juli 2017
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

In this research, wireless sensor system is used to electrical power of solar cell measurement with wirelessly through of WiFi as data transmision. This system is required to monitoring and measuring electrical power of solar cell with long distance. This system also very helpful personil to do measurement because could be solving a problem in personnel limitations and instrument limitations. So, wireless sensor system become a solution in measurement. The system is made from voltage sensor circuit and current sensor circuit. Sensors are connected to ADC ATSAM3X8E microcontroller. Microcontroller reads voltage and current values by converting the analog scale to digital for sent to computer. Then, the data was saved in database and was sent to central station. Data has sent wirelessly by WiFi which is could be shown via web browser on computer. The result of calibration voltage sensors has correlation 0.9885 to standard gauge and average error 0.013 volts. The result of calibration current sensor has correlation 0.9881 to standard gauge and average error 0.012 ampere. The result of comparison beetween data which is sent from the field and received data has 0% error. So, it could be say that there is no placement data error.Keywords: Wireless Sensor System, Electrical Power, Solar Cell, Measurement, WiFi 
SISTEM MONITORING KEKERUHAN AIR MENGGUNAKAN JARINGAN WIRELESS SENSOR SYSTEM BERBASIS WEB Khanif Pramusinto; Suryono Suryono
Youngster Physics Journal Vol 5, No 4 (2016): Youngster Physics Journal Oktober 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Turbidity in the water was not the nature of the water harmful but can cause concern contained impact of chemical compounds that are harmful to living things. Turbidity caused by suspended matter or insoluble. Water that exists today can not be separated from the insoluble particle pollution such as sand, mud, organic and inorganic chemicals that have an impact on organisms in the water. Wireless sensor system with a telemetry system can be a solution of the measurements performed remotely from the turbidity of the water. System monitoring turbidity in this study consisted of a water turbidity sensor that is connected to the microcontroller ATSAM3X8E. The results of the turbidity sensor converted by ADC microcontroller. Data read has been converted into a digital converted into the turbidity value by the microcontroller. Data communication systems that use serial communication between the microcontroller with a personal computer (PC) and data acquisition results displayed on acquisition applications on the PC and then stored into the database. Data acquisition results turbidity has an average division of ± 68 NTU. The data was transmitted from the station Remote Terminal Unit (RTU) to station Terminal Control Unit (CTU) with telemetry technique used a WiFi network that can be accessed through a web browser on a PC CTU and can displayed data in real-time in the form of a table.
Study of the most responsible parameters on polarization for powerful preliminary test of oil quality Ketut Sofjan Firdausi; Suryono Suryono; Priyono Priyono; Zaenul Muhlisin
Youngster Physics Journal Vol 7, No 2 (2018): Youngster Physics Journal April 2018
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

In this study, the most responsible parameters on polarization in total natural vegetable oils and fats have been investigated by determination of the relation between the polarization change and fatty acids (FA) composition. The change of light polarization was simply measured by using a pair of polarizer-analyser to indicate oil quality level, and the FA composition was obtained by using Gas Chromatography and Mass Spectrometer (GCMS) method. Various vegetable oils and fats were examined without any preliminary treatments. The experimental condition of the samples during measurement was assumed to be constant. It has been shown that various oils and fats have different angle of change of polarization, which indicates various oil quality level relative to each other, in agreement to the previous works. Especially for vegetable oils, high change of polarization has been considered as low quality of oil. The long chain of saturated fatty acids (SFA) and unsaturated fatty acids (UFA), which are distributed at third position (R3) and first position (R1) of triglycerides (TG) molecules, are responsible for the change of polarization and presented as a linear combination of the number of SFA or UFA. The result shows that the polarization could be used as powerful method for preliminary detection of oil quality level. The highest number of coefficient of C19:0 in lard indicates that this method has provided good prospect to evaluate the halal level of oil due to lard contamination.Keywords—polarization, triglyceride (TG), saturated fatty acid (SFA), unsaturated fatty acids (UFA)
RANCANG BANGUN SISTEM TELEMETRI MULTI-CHANNEL UNTUK MONITORING SUHU DAN pH AIR MENGGUNAKAN JARINGAN WIFI Ave Gierdo Alfaseno; Suryono Suryono
Youngster Physics Journal Vol 4, No 4 (2015): Youngster Physics Journal Oktober 2015
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Water quality monitoring is very important to know condition of the water in a sector location. The water quality monitoring can anticipate a decrease of water quality by knowing water condition in real-time, in that way can be determined what factors that causes a decrease of water quality. The method used for water quality monitoring system in this paper is telemetry system (remote measurement) with the wifi network. Telemetry system choosed because its more efisien than the other, measurement can be remotely and in real-time. The test of water quality is bad or good can be known from the elements of test parameters. Parameters sample tested of this research are temperature and pH of the water. To respon physical symptom of changes in amount of water temperature used temperature sensor RTD (resistance temperature detector), and a pH sensor to respon condition of pH of the water. Both of the sensor's reading are converted from analog to digital (ADC) using microcontroller ATmega8535. Microcontroller ATmega8535 has USART feature (Universal Synchronous and Asynchronous Serial Receiver and Transmitter) as a serial communication mode. Serial communication technique in a multi-channel is done by using the RS-485 protocol as a communication link beetwen one unit to another until can connect 32 and using the RS-232 protocol to connect serial communication data to personal computer (PC). The data that has been obtained is sent to the monitoring station by a telemetry technique using the wifi network. Results of the data acquisition system RTD temperature sensor against a standard thermometer has a linear correlation coefficient R = 0.998. And the results of the data acquisition pH sensor against a standard pH meter has a linear correlation coefficient of R = 0.994. Results of the comparison between the data sent and received data has errors = 0 so that it can be ascertained no data is lost or gained.
PENGUKURAN DISTRIBUSI DINAMIS KONSENTRASI GAS KARBON MONOKSIDA (CO) MENGGUNKANA WIRELESS SENSOR NETWORK Laela Meitasari; Suryono Suryono
Youngster Physics Journal Vol 5, No 4 (2016): Youngster Physics Journal Oktober 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Increasing population growth rate followed by pollution can cause carbon monoxide (CO). Carbon monoxide gas, including air pollution, then with the necessary monitoring devices for controlling the gas concentration CO gas in the environment. Tool made in the form of 5 points randomly distributed sensors to measure the concentration of CO gas. Measurements carried out safely which can be monitored in real time remotely using telemetry (remote measurement) with jarigan Wi-Fi. The minimum system microcontroller ATmega8535 to convert analog to digital data from the sensor. To respond to the physical symptoms of the changes in the concentration of CO gas used MQ-7 sensor utilizing as komuniksai UART serial and Wi-Fi as a data transmission. ADC value readings from the sensor MQ-7 converted into concentration values in the form ppm. Data that is sent over Wi-Fi will be acquired into a computer and stored in the database. Concentration of data processing in the form of a graph where the results of measurements carried out showed that the concentration changes which occur at any time change depending on the wind direction. If the value of the concentration is high, the colour is black, whereas if a low concentration is purple.
PENENTUAN NILAI TEBAL PARUH (HVL) PADA CITRA DIGITAL COMPUTED RADIOGRAPHY Cicilia Artitin; Suryono Suryono; Evi Setiawati
Youngster Physics Journal Vol 4, No 1 (2015): Youngster Physics Journal Januari 2015
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Half value layer (HVL) can be determined by using the method of digital image processing. This research is done by using stepwedge as an object. The stepwedge exposed a tube voltage of 80 kV and 10 mAs, 20 mAs, 30 mAs, 40 mAs, and 50 mAs. After getting the next image is processed in Matlab to find the value of gray level and HVL value . HVL values generated in this study was 3.08 mmAl, mmAl 3.60, 5,67mmAl, mmAl 7,27, and 8,41 mmAl. HVL value is still allowed under the Indonesian republic health minister's decision no. 1250, 2009, requirements on the voltage value of 80 kV HVL better when ≥ 2.3 mmAl. The value for examination was stated in Regulation No. Head BAPETEN 9 of 2011 so that the X-ray plane fit for use . Keywords: Half Value Layer (HVL), Stepwedge, Grey Level, Digital Image
WIRELESS SENSOR SYSTEM UNTUK MONITORING KONSENTRASI DEBU MENGGUNAKAN ALGORITMA RULE BASED Agus Sulistiyo; Suryono Suryono
Youngster Physics Journal Vol 5, No 2 (2016): Youngster Physics Journal April 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

Air is the source of life required of all living beings. The level of air pollution is increasing as the development of the industrial sector. Monitoring of air pollution levels are needed to determine the air quality at a given location. One indicator of air quality is the concentration of dust, so we need a system of monitoring the concentration of dust in the air that can be monitored in realtime. The method used for system monitoring dust concentrations in this study using telemetry system utilizing a WiFi network. The use of telemetry systems have been more efficient that measurement can be done remotely and measurements can be realtime. Dust concentration measurement using DSM501A dust sensor that produces an output PWM (Pulse Width Modulation). These sensors are connected with the minimum system microcontroller. The microcontroller used is ATmega8535 where the microcontroller has features USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter) as a serial communication mode. RS-232 protocol is used to connect a serial communication data to the computer Remote Terminal Unit (RTU) that located in the location of data collection. The data obtained is sent to a personal computer (PC) Control Terminal Unit (CTU) in monitoring stations with telemetry systems using WiFi networks and saved in database. The conversion result DSM501A dust sensor readings between the low ratio (%) and the value of dust concentration (mg / m3) has a correlation coefficient R = 0.999. Results of the comparison between the data transmitted and received data has error = 0 so it can be concluded no data is lost or gained.Keywords: air quality, dust sensors, telemetry, serial communication.
PEMBUATAN MODEL UJI NILAI TEBAL PARUH (HVL) PESAWAT KONVENSIONAL SINAR-X MENGGUNAKAN PENGOLAHAN CITRA DIGITAL Hayat Maulana; Suryono Suryono
Youngster Physics Journal Vol 2, No 3 (2013): Youngster Physics Journal Juli 2013
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

 Designed of software application half value layer (HVL) which uses digital image processing has been use measurement HVL of X-ray conventional that is designed by using Borland Delphi 7.0 program. The system used as a simple tool for quality control (QC) of output X-ray.The firs step which is done to bring about software application is designing application image cropping, designing application open image, then designing applicationof pixel intensity value and designing application HVL. The step of software application usage is firstly expose phantom stepwedge by using X-ray conventional, secondly, process the expose result so it produces image radiographygray scale, thirdly,process digital imageby using scanner, save image digital with bitmap format, then process image by using software application.From measuring the result of four digital images gray scale obtained HVL average of value is 2.04 mmAl. Beside that, the measurement is also done four time using the standart tool Multipurpose detector (MPD,) obtained HVL average of value is 1,97 mmAL, from both datas it process deviation value 0,07 and relative research is 99,97 % for software application. So it can be conclude that digital image processing can be used to count HVL X-ray conventional. Key words   :Digital image radiography, image cropping, pixel intensity, half value layer (HVL).  
RANCANG BANGUN SISTEM TELEMETRI UNTUK MONITORING GAS LPG DENGAN MENGGUNAKAN JARINGAN Wi – Fi Satryo Adi Wibowo; Suryono Suryono
Youngster Physics Journal Vol 5, No 2 (2016): Youngster Physics Journal April 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

This research is abaout the telemetry system for monitoring LPG gas concentration using a Wi-Fi network. This research is driven by a need to carry out monitoring of a distant object whose data can be received in real-time and continuously transmitted by the transmitter of the sensor used. The telemetry system is built with ATMega 8535 microcontroller to read analog data from the sensor and converted to digital data. For LPG gas concentration measurement using LPG gas sensor MQ-5, utilizing the RS-232 protocol as serial data communication and Wi-Fi networks as an intermediary for the transmission of information. Use Wi-Fi network for data transmission is an option that is appropriate, given the use of Wi-Fi increasingly popular among the people. LPG gas sensor has an analog output and therefore takes the ADC to convert analog data into digital data that can be read in mikrokontroler The data that has been read by the microcontroller sent using RS232 protocol, then the serial data is stored into the database in a microprocessor. The interface created with php and html language to display data LPG gas concentration from the microprocessor at the point of monitoring. Web browser used on the PC server by entering the IP address adrress of microprocessor that stores the database. Wi-Fi networks are used as transfer media databases of the microprocessor in the PC server to the monitoring point at the observation point. Results of the comparison between the data transmitted and received data has error = 0 so certainly no data is lost or gained. Keywords: LPG gas, telemetry, sensor, serial communications, database.