Browse Items (65 total)
- Collection: Vol. 18, No. 2 2020
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TELKOMNIKA Telecommunication, Computing, Electronics and Control
Water bath sonicator integrated with PID-based temperature controller for flavonoid extraction
In this research, water bath sonicator was fabricated to extract bioactive
compound of plants material using sound energy (ultrasonic waves)
and heater. The bioactive compound, flavonoid, has high sensitivity to
temperature and extraction time and…
compound of plants material using sound energy (ultrasonic waves)
and heater. The bioactive compound, flavonoid, has high sensitivity to
temperature and extraction time and…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Projective and hybrid projective synchronization of 4-D hyperchaotic system via nonlinear controller strategy
Nonlinear control strategy was established to realize the Projective
Synchronization (PS) and Hybrid Projective Synchronization (HPS) for 4-D hyperchaotic system at different scaling matrices. This strategy, which is able to achieve projective and…
Synchronization (PS) and Hybrid Projective Synchronization (HPS) for 4-D hyperchaotic system at different scaling matrices. This strategy, which is able to achieve projective and…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
PSO optimization on backpropagation for fish catch production prediction
Global climate change is an issue that is enough to grab the attention
of the world community. This is mainly because of the impact it has on human life. The impact that is felt also occurs in waters on the South Kalimantan region. This is of course…
of the world community. This is mainly because of the impact it has on human life. The impact that is felt also occurs in waters on the South Kalimantan region. This is of course…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Low-cost and open-source anthropomorphic prosthetics hand using linear actuators
A robust, low cost, open-source, and low power consumption in the research of prosthetics hand is essential. The purpose of this study is to develop a low-cost, open-source anthropomorphic prosthetics hand using linear actuator based on…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
MPPT control of PV array based on PSO and adaptive controller
In general, Photovoltaic (PV) array is not able to generate maximum power automatically, because some partial shading caused by trees, clouds, or buildings. Irradiation imperfections received by the PV array are overcome by applying maximum power…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Brain computer interface based smart keyboard using neurosky mindwave headset
In the last decade, numerous researches in the field of electro-encephalography (EEG) and brain-computer-interface (BCI) have been accomplished. BCI has been developed to aid disabled/partially disabled people to efficiently communicate with the…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Three-level modified sine wave inverter equipped with online temperature monitoring system
Research and development on power converters are getting more interesting in recent years. It is also buttressed by rapid development in related fields, such as power semiconductor, digital advanced control, magnetic material and use of power…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A new multi-level key block cypher based on the Blowfish algorithm
Blowfish is a block cypher algorithm used in many applications to enhance security, but it includes several drawbacks. For example, the mix between the key and data is limited. This paper presents a new modification to the Blowfish algorithm to…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Multicore development environment for embedded processor in arduino IDE
Internet of things (IoT) technology has found more applications that require complex computation while still preserving power. Embedded processors as the core of the IoT system approaches the need for computation by employing a parallel processor…