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Sri Nita -
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Kestabilan Global Endemik Model Epidemi SEIR Roni Tri Putra; Sukatik - -; Sri Nita -; Yandraini Yunida -
Jurnal Ilmiah Poli Rekayasa Vol 9, No 2 (2014)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (511.67 KB) | DOI: 10.30630/jipr.9.2.72

Abstract

In this paper, it will be studied global stability endemic of equilibrium points of  a SEIR model with infectious force in latent, infected and immune period. From the model it will be found investigated the existence and its stability of points its equilibrium. The global stability of equilibrium points is depending on the value of the basic reproduction number  If   there is a unique endemic equilibrium which is globally asymptotically stable.
Analisis dan Pengukuran Tanggapan Frekuensi terhadap Redaman Serat Optik Uzma Septima -; Lince Markis -; Ramiati - -; Andi Ahmad Dahlan; Sri Nita -
Jurnal Ilmiah Poli Rekayasa Vol 15, No 2 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.084 KB) | DOI: 10.30630/jipr.15.2.164

Abstract

The concept of smart home and cyber home is not the same, even much different. If a smart home or smart home is more aimed at users or home users who lead to conventional homes equipped with digital devices, the concept of cyber home is more to the bandwidth capacity of the internet to complement digital devices in the home. For this reason, Cyber Park Indonesia cooperates with PT Wika Realty. Specifically to develop the housing as a cyber home, Cyber Park Indonesia uses optical fiber. [Kompas, 2017]. This fact states that communication using optical fiber becomes very important so that to optimize the optical fiber system, a study that produces frequency responses to optical fiber attenuation parameters is made. Various sine signal frequency and amplitude values are given as input from an optical fiber dispersing system by looking at the response of the receiver in the form of voltage parameter values. The frequency values given range from 100 Hz to 10 Khz. The linkage of the input amplitude value to the damping value is an output voltage output generated by the amplitude of the amplitude parameter at the sending end. This voltage value comparison is used as the damping parameter of an optical fiber communication system. Giving this frequency will provide the performance of a fiber optic communication system. The resulting voltage value is a constant of changes in the frequency value.
Kestabilan Model Epidemi Seir dengan Matriks Hurwitz Roni Tri Putra; Sukatik - -; Sri Nita -
Jurnal Ilmiah Poli Rekayasa Vol 11, No 2 (2016)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (399.678 KB) | DOI: 10.30630/jipr.11.2.76

Abstract

In this paper, it will be studied local stability of equilibrium points of  a SEIR epidemic model with infectious force in latent, infected and immune period. From the model it will be found investigated the existence and its stability of points its equilibrium by Hurwitz matrices. The local stability of equilibrium points is depending on the value of the basic reproduction number  If   the disease free equilibrium is local asymptotically stable.
Kestabilan Model Epidemi SEIR Dengan Laju Insidensi Roni Tri Putra; Sukatik - -; Sri Nita -
Jurnal Ilmiah Poli Rekayasa Vol 10, No 2 (2015)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (293.814 KB) | DOI: 10.30630/jipr.10.2.77

Abstract

In this paper, it will be studied stability for a SEIR epidemic model with infectious force in latent, infected and immune period with incidence rate. From the model it will be found investigated the existence and uniqueness solution  of points its equilibrium. Existence solution of points equilibrium proved by show its differential equations system of equilibrium continue, and uniqueness solution of points equilibrium proved by show its differential equation system of equilibrium differentiable continue. 
Co-Authors Andi Ahmad Dahlan Fredinan Yulianda Lince Markis R. Sapto Hendri Boedi Soesatyo Ramiati Ramiati Sukatik - - Uzma Septima - Yandraini Yunida -