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Journal : CCIT (Creative Communication and Innovative Technology) Journal

PERANCANGAN SISTEM PAKAR UNTUK MENDETEKSI PENYAKIT PADA TANAMAN CABE DENGAN METODE CERTAINTY FACTOR Helmi Kurniawan; Iwan Fitrianto Rahmad
CCIT Journal Vol 5 No 2 (2012): CCIT JOURNAL
Publisher : Universitas Raharja

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.243 KB) | DOI: 10.33050/ccit.v5i2.150

Abstract

The Chilli in scientific language called Capsium annuum is not native to Indonesia, but came from the Americas, to be precise and South America Central America and Mexico. Quite a lot of chilli plants cultivated in Indonesia, especially in the land - the land of paddy fields and land - dry land that gets enough sunlight. In general, chilli plants grown as crops. Chilli and cultural communities, especially communities Medan Indonesia can hardly be separated, especially in cooking. Unlike the people - Europeans, Americans, and several Asian countries who prefer spicy pepper, Indonesian people especially people prefer spicy chili field. Virtually all the serving dishes found in cuisines that contain chilli although only slightly. Community needs for chili plants increases, along with the increasing growth of the community and increased social welfare. Although the need for chili plants increased, but not accompanied by increased production. As for the cause it can happen because ofpests, plant diseases, and less extension of the government. Artificial intelligence or artificial intelligence is a part of computer science that make the machine (computer) can do the job and as good as that done by humans. Intelligent systems (intelligent system) system wasbuilt using artificial intelligence techniques. One studied in artificial intelligence is the theory of certainty by using the theory of Certainty Factor (CF). Expert System (Expert System) is a knowledge-based programs that provide quality solutions to problems-problems of experts in a specific domain. Expert systems are computer programs that mimic the thought process and expert knowledge in solving a specific problem.
PERANCANGAN LAMPU LALU LINTAS DENGAN MENGGUNAKAN CATU DAYA CADANGAN BERBASIS MIKROKONTROLLER AT89S51 Iwan Fitrianto Rahmad; Muhammad Yusra Rustam; Budi Triandi
CCIT Journal Vol 2 No 2 (2009): CCIT JOURNAL
Publisher : Universitas Raharja

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (208.172 KB)

Abstract

Lampu lalu lintas dengan dua catu daya sangat berguna ketika terjadi pemadaman listrik. Lampu lalu lintas ini memiliki catu daya yang berasal dari PLN dan dari battery. Dalam keadaan normal, yaitu tidak terjadi pemadaman listrik, maka lampu lalu lintas akan mendapatkan sumber tegangan dari PLN. Namun ketika terjadi pemadaman listrik, maka lampu lalu lintas akan mendapatkan sumber tegangan dari battery. Untuk itu dibutuhkan sebuah rangkaian selektor yang dapat mengalihkan jalur catu daya ketika terjadi pemadaman listrik. Rangkaian selektor yang digunakan adalah sebuah relay. Battery yang digunakan untuk memberikan sumber tegangan ke lampu lalu lintas, lama kelamaan akan melemah, karena itu digunakan rangkaian untuk mencharge battery. Rangkaian ini akan mencharge battery ketika battery lemah dan rangkaian ini secara otomatis akan berhenti mengisi arus ke battery ketika battery sudah penuh. Untuk dapat mendeteksi kondisi battery apakah dalam keadaan lemah atau penuh, maka dibutuhkan sebuah sensor tegangan. Sensor tegangan yang digunakan adalah Analog to Digital Converter (ADC).