scholarly journals Robot Scanner Gambar Menggunakan Intensitas Cahaya

2015 ◽  
Vol 1 (3) ◽  
pp. 243
Author(s):  
David David ◽  
Sandy Kosasi

Banyak teknologi robot yang dapat digunakan untuk meniru mesin-mesin dengan kemampuan digitalisasi. Salah satu teknologi robot yang terkenal sekarang adalah Lego Mindstorms NXT 2.0 dengan platform Mindstorm NXT-G. Pada Penelitian ini, dirakit dan dikodekan program sebuah robot scanner menggunakan intensitas cahaya. Metode yang digunakan adalah metode Mindstorms dengan robot Lego Minstorms NXT 2.0. Metode ini adalah metode sederhana yang terdiri dari empat tahapan yaitu mencari ide untuk robot, membangun robot, memprogram robot dan dokumentasi. Pemrograman robot dengan menggunakan bahasa pemrograman NXT-G digunakan untuk mendapatkan program yang bekerja terbaik. Pengujian V-model akan digunakan untuk menguji program utama. Robot yang dibuat dengan menggunakan Lego Mindstorms NXT 2.0 dapat melakukan scanning pada gambar dengan output pada Layar NXT Brick. Robot dapat membedakan warna berdasarkan intensitas cahaya yang dipantulkan. Sensor warna mendeteksi pantulan infra merah pada permukaan kertas yang berwarna dengan intensitas tertentu. Hasil pendeteksian disimpan dalam memory dan sebagai pusat kendali dari robot ini menggunakan NXT Brick yang sudah termasuk dalam paket LEGO MINDSTORMS NXT 2.0.A lot of Robot technology that can be used to act like machines with digital ability. Nowadays, one of the famous robot technology is Lego Mindstorms NXT 2.0 with Mindstorm NXT-G platform. In this research, created and coded by program, a scanner robot uses light intensity. Method that being used is Mindstorms method with Lego Mindstorms NXT 2.0. robot. This method is a simple method with four steps. They are find the idea for the robot, construct the robot, program the robot and documentation. Robot programming with NXT-G programming language is use to get the best working program. V-Model test will be use to test the main program. Robot that being created with Lego Mindstorms NXT 2.0 can do scanning to an image with output from the NXT brick screen. Robot can differentiate colors base on light intensity that has been reflected. Color censor detect infrared reflection at the colored paper surface with certain intensity. Result of the detection is being saved into memory and as the control center from this robot, it uses NXT brick that has been included in the LEGO MINDSTORMS NXT 2.0. package.

2011 ◽  
Vol 383-390 ◽  
pp. 157-162 ◽  
Author(s):  
Yue Mei Han

With the development of robot technology some robots have been seen in the field of entertainment. Dance robot’s mechanical structure is the motion mode with several free degrees drove by electric motor. The blocking idea was impenetrate in hardware design and the CPU was high-quality single-chip AT90S8535.The technology PWM with width modulation combined with three subprograms and main program were adopted in the software so that the dance robot can complete all the action arranged in advance.


Electronics ◽  
2022 ◽  
Vol 11 (2) ◽  
pp. 271
Author(s):  
Daniele Capista ◽  
Maurizio Passacantando ◽  
Luca Lozzi ◽  
Enver Faella ◽  
Filippo Giubileo ◽  
...  

We propose a simple method to fabricate a photodetector based on the carbon nanotube/silicon nitride/silicon (CNT/Si3N4/Si) heterojunction. The device is obtained by depositing a freestanding single-wall carbon nanotube (SWCNT) film on a silicon substrate using a dry transfer technique. The SWCNT/Si3N4/Si heterojunction is formed without the thermal stress of chemical vapor deposition used for the growth of CNTs in other approaches. The CNT film works as a transparent charge collecting electrode and guarantees a uniform photocurrent across the sensitive area of the device. The obtained photodetector shows a great photocurrent that increases linearly with the incident light intensity and grows with the increasing wavelength in the visible range. The external quantum efficiency is independent of the light intensity and increases with the wavelength, reaching 65% at 640 nm.


2016 ◽  
Vol 3 (02) ◽  
pp. 163
Author(s):  
Arrini Nurul M ◽  
Ahmad Marzuki ◽  
Mohtar Yunianto

<span>A simple method to measure a solution refractive index using fixed mirror refractive optical <span>fiber sensor has been investigated. The solution used are sugar and salt solution, with concen<span>tration varies from 1M to 5M. The diameter of polymer optical fiber used is 0.5 mm and light <span>source used is LED (λ=676 nm). The sensor work based on light intensity modulation, sub <span>jected to mechanical structure change of the fiber due to an applied force. The result showed <span>that the concentration of sugar and salt linearly are related with their refractive indeces <span>(R<span>2<span>=0,95006) and (R<span>2<span>=0,99858).</span></span></span></span></span></span><br /></span></span></span></span></span>


2016 ◽  
Vol 3 (1) ◽  
pp. 15
Author(s):  
David David

Pada Penelitian ini, dirakit dan dikodekan program sebuah robot line follower menggunakan sensor cahaya. Logika fuzzy digunakan sebagai kendali dalam mengidentifikasi kecepatan robot agar dapat bergerak dan berjalan sesuai dengan jalur/garis pita berwarna hitam. Metode yang digunakan adalah metode Mindstorms dengan robot line follower berbasiskan microcontroller seri ATMega16. Metode ini adalah metode sederhana yang terdiri dari empat tahapan yaitu mencari ide untuk robot, membangun robot, memprogram robot dan dokumentasi. Pemrograman robot dengan menggunakan bahasa pemrograman BASCOM AVR digunakan untuk mendapatkan program yang bekerja terbaik. Pengujian dilakukan terhadap penggunaan sensor, motor DC dan ketelitian gerak line follower. Robot line follower yang dibuat dengan menggunakan microcontroller ATMega16 dapat melakukan scanning jalur pita berwarna hitam dan laju pergerakan berdasarkan kendali logika fuzzy.In this study, assembled and coded program a line follower robot using a light sensor. Fuzzy logic is used as a control in order to identify the speed of the robot can move and run in accordance with the path / line black ribbon. The method used is a method Mindstorms robot line follower based microcontroller ATmega16 series. This method is a simple method that consists of four stages, namely looking for ideas for robots, building robots, robot programming and documentation. Programming robots using BASCOM AVR programming language used to get a program that works best. Tests conducted on the use of sensors, DC motors and precision motion line follower. Line follower robot created using ATmega16 microcontroller can scan a black ribbon path and rate of movement is based on fuzzy logic control.


2014 ◽  
Vol 945-949 ◽  
pp. 2633-2636
Author(s):  
Bao Gen Jin ◽  
Ya Dong Yu ◽  
Min Jie Zhu

This paper aims to design an intelligent street lighting controller based on solar energy and LED. The controller can work in daytime mode, dusk mode based on detection of light intensity and photovoltaic voltage, and head into night mode after a certain period of time when in dusk mode. While in night mode, a dimming scheme is applied by introducing motion detection with passive infrared (PIR) sensors. The controller also integrates a ZigBee based WSN to report street lights status periodically and get instructions from the remote control center. Moreover, it can enable more efficient management and lower maintenance costs.


2014 ◽  
Vol 953-954 ◽  
pp. 907-910
Author(s):  
Si Qing Sheng ◽  
Fan Yang

Aimed at energy-saving, an intelligent teaching building lighting control system based on PLC is designed. Keeping PLC as the core, the system consists of an illumination measurement module (for measuring the light intensity in classrooms), a statistic module (for counting students in classrooms), a human body existence detecting module (for identifying distribution zones of human bodies in classrooms), and an A/D conversion module. The hardware and main program of the system have been introduced respectively. By using the system, the lights can be turned on or off automatically according to the brightness, the students number and students location in classrooms. The system can also be changed into manually control mode for emergency of PLC fault or other special need.


2014 ◽  
Vol 687-691 ◽  
pp. 64-67
Author(s):  
Gang Dong

Greenhouses in the growth of the crops will often because of unfavorable environment not good growth, in order to be able to effectively control the temperature inside the greenhouse greenhouses, humidity, light intensity, make inside the greenhouse crop growth environment to fulfill the requirements of the best. This system by using HOLTEK series single-chip microcomputer as the control center, with various sensors for detecting module, peripheral equipment and control system in all parts of the corresponding function. Mainly by the power supply module, temperature and humidity and light intensity detection module, keys module and ZigBee wireless communication module, display module, a real-time monitoring environment, data display, automatic control function, can effectively control the growth of crops in good environment and the unnecessary waste of resources. At the same time, this system in warehouse management, flower cultivation, aquaculture, and other fields also have broad application prospects.


Author(s):  
C.V.L. Powell

The overall fine structure of the eye in Placopecten is similar to that of other scallops. The optic tentacle consists of an outer columnar epithelium which is modified into a pigmented iris and a cornea (Fig. 1). This capsule encloses the cellular lens, retina, reflecting argentea and the pigmented tapetum. The retina is divided into two parts (Fig. 2). The distal retina functions in the detection of movement and the proximal retina monitors environmental light intensity. The purpose of the present study is to describe the ultrastructure of the retina as a preliminary observation on eye development. This is also the first known presentation of scanning electron microscope studies of the eye of the scallop.


Author(s):  
C. S. Bricker ◽  
S. R. Barnum ◽  
B. Huang ◽  
J. G. Jaworskl

Cyanobacteria are Gram negative prokaryotes that are capable of oxygenic photosynthesis. Although there are many similarities between eukaryotes and cyanobacteria in electron transfer and phosphorylation during photosynthesis, there are two features of the photosynthetic apparatus in cyanobacteria which distinguishes them from plants. Cyanobacteria contain phycobiliproteins organized in phycobilisomes on the surface of photosynthetic membrane. Another difference is in the organization of the photosynthetic membranes. Instead of stacked thylakolds within a chloroplast envelope membrane, as seen In eukaryotes, IntracytopIasmlc membranes generally are arranged in three to six concentric layers. Environmental factors such as temperature, nutrition and light fluency can significantly affect the physiology and morphology of cells. The effect of light Intensity shifts on the ultrastructure of Internal membrane in Anabaena variabilis grown under controlled environmental conditions was examined. Since a major constituent of cyanobacterial thylakolds are lipids, the fatty acid content also was measured and correlated with uItrastructural changes. The regulation of fatty acid synthesis in cyanobacteria ultimately can be studied if the fatty acid content can be manipulated.


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