Teknologi dan sistem informasi telah mengalami perkembangan yang sangat pesat. Sistem informasi pada saat ini menjadi sangat dibutuhkan oleh suatu organisasi, perusahaan, maupun perorangan untuk mendapat kemudahan, kecepatan, dan ketepatan dalam mengolah dan memperoleh data dan atau informasi. Rumah Sakit Kalisat di memiliki banyak masalah yang dialami terkait dengan data-data serta informasi pasien, pegawai, jadwal, rekam medis, antrian, obat-obatan, perawatan, keuangan, jumlah dan efektifitas pegawai serta ruangan, dan lain sebagainya. Masalah tersebut meliputi dalam proses memasukkan data dan pencarian, terlebih lagi bila sistem belum menggunakan komputer hal tersebut akan sulit dan membutuhkan waktu yang tidak sebentar. Jenis penelitian ini adalah kuantitatif, dimana terdapat 3 variabel bebas dan 1 variabel terikat. Peneliti melakukan uji regresi linier berganda untuk mengetahui adanya pengaruh dari variabel bebas terhadap variabel terikat. Hasil yang didapatkan adalah kualitas sistem memiliki pengaruh yang positif dan signifikan terhadap kepuasan pengguna pada sistem informasi manajemen rumah sakit kalisat. Hal ini dibuktikan dengan T-hitung >T-tabel (-1,627 > -1,187) yang berarti H0 ditolak. Kualitas informasi memiliki pengaruh yang positif dan signifikan terhadap kepuasan pengguna pada sistem informasi manajemen rumah sakit kalisat. Hal ini dibuktikan dengan T-hitung >T-tabel (-2,341 > -1,187) yang berarti H0 ditolak. Kualitas pelayanan memiliki pengaruh yang positif dan signifikan terhadap kepuasan pengguna pada sistem informasi manajemen rumah sakit kalisat. Hal ini dibuktikan dengan T-hitung >T-tabel (4,319 > 3,297) yang berarti H0 ditolak. Berdasarkan hasil diatas peneliti dapat menyimpulkan bahwa kualitas sistem, kualitas informasi dan kualitas layanan memberikan pengaruh yang signifikan terhadap kepuasan pengguna SIMRS. Saran peneliti untuk SIMRS Kalisat harus di pertahankan kualitasnya supaya dapat mempertahankan kepuasan pengguna SIMRS Kalisat.
-This study is aimed to develop a tracking system algorithm by combining optical flow and template matching algorithms to strengthen tracking and minimize the resulting errors. The system has been tested on a football video game with the ball as a tracking object. The optical flow and template matching algorithms are used interchangeably based on the coordinates of both ranges calculated using the Euclidean distance equation. The result shows that the system is able to do tracking, although it is temporarily blocked by other objects, more stable and the distance error between the coordinates of the tracking result and the actual coordinates is not more than 110 pixels compared to using only optical flow or template matching algorithm. [9] mengembangkan sistem pelacakan video menggunakan algoritma frame differencing. Deteksi objek dilakukan dengan cara frame sekarang dikurangi dengan frame sebelumnya dan di antara objek yang terdeteksi dipilih salah satu objek menggunakan template matching. Hal ini mempercepat proses komputasinya dibandingkan dengan hanya menggunakan template matching saja. Parrila dkk. Keywords[10] membangun sistem pelacakan pada video lalu lintas jalan raya dengan menggunakan algoritma optical flow yang handal, yaitu dapat terus *) Penulis korespondensi (Meilana Siswanto)
Automation is widely used in various industries to increase the speed, accuracy and effectiveness of production and reduce the risk of hazards. In general, the manufacturing industry has a product packaging and sorting process based on size, weight, shape, height and color. Currently, the sorting process in the industry is still mostly done manually which causes human error problems, so the development of industrial automation that is low cost, easy to maintain, efficient, user friendly and more accurate needs to be done. Programmable Logic Controller (PLC) is one of the most widely used for automation equipment in the industry and can be programmed to control machine operations. In this paper, the Mitsubishi Melsec PLC with ladder diagram programming using GX work2 has been developed to control multi-machine operation by product sorting and packaging based on product color. Multi-machine operation consists of three DC motors used for conveyors, two single solenoids, proximity sensors, inductive sensors and limit switches. The proximity sensors are used to detect the products based on color. The system is equipped with an emergency button and alarm system to facilitate the implementation of troubleshooting. To facilitate communication with operators and user-friendly systems, the human machine interface (HMI) is used as an interface for system monitoring and controlling. HMI uses Pro-face from Schneider which is programmed using GP-Pro EX4.0. The ladder diagram has been implemented in the PLC and tested on hardware to simulate the system. Based on test results, MELSEC PLC can communicate with HMI and control multi-operation machines with product sorting and packaging. The machine can separate and package metal products by colour and the packaging system can be monitored and controlled remotely automatically with HMI.
Randomness quality of keys becomes an essential in secure communications, since the security of modern cryptographic techniques relies on unpredictable and irreproducible digital keys which are generated by random number generator (RNG). This study focuses on the effects of characteristic polynomial in linear feedback shift registers (LFSR) for randomness quality. RNG's output is produced by integrating binary random source based on optic and LFSR. In this observation, randomness of the RNG's output with different characteristic polynomials has been tested using National Institute of Standards & Technology (NIST) test. The result shows that RNG with LFSR which is characterized by a feedback being a primitive polynomial of n-1 passes all the NISTstandard statistical tests.
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