Browse Items (67 total)
- Collection: Vol. 18, No. 6 2020
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TELKOMNIKA Telecommunication, Computing, Electronics and Control
Spectral opportunity selection based on the hybrid algorithm AHP-ELECTRE
Due to an ever-growing demand for spectrum and the fast-paced development of wireless applications, technologies such as cognitive radio enable the efficient use of the spectrum. The objective of the present article is to design an algorithm capable…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Evaluation of leachate turbidity reduction in sanitary landfills following a coagulation/flocculation process enhanced by vegetable starch and thermal water
This study evaluates the reduction of leachate turbidity in landfills after
applying a mixture of banana starch and thermal water. Principal component analysis was applied to study the combined effect with four variables: pH, concentration of starch…
applying a mixture of banana starch and thermal water. Principal component analysis was applied to study the combined effect with four variables: pH, concentration of starch…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A new block cipher for image encryption based on multi chaotic systems
In this paper, a new algorithm for image encryption is proposed based on three chaotic systems which are Chen system, logistic map and two-dimensional (2D) Arnold cat map. First, a permutation scheme is applied to the image, and then shuffled image…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Space charge phenomena on low-density poly ethylene film breakdown under heavy water absorption
The effect of dry and heavy water absorption on the electrical breakdown of low-density poly ethylene film was investigated. The temperature rise of the sample was observed by thermograph until the electrical breakdown using direct current ramp…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Low cost, high performance fuel cell energy conditioning system controlled by neural network
Fuel cells are an important option for the generation of renewable, efficient and environmentally friendly electricity. Although there are commercial applications in the industrial, residential and automotive sectors, it is not yet a mature…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Comparative analysis of PID and neural network controllers for improving starting torque of wound rotor induction motor
Unlike 3-phase squirrel cage induction motor, starting-up of 3-phase wound rotor counterpart can be improved by adding an external resistance to the rotor circuit. Thus, leads to reduce starting current and increase starting torque. In this paper two…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Design of a controller for wheeled mobile robots based on automatic movement sequencing
There are many kinds of robots and among them the wheeled mobile robots
(WMR) stand out, because they are relatively cheap and easy to build. These features make WMRs the test prototypes for control strategies or motion generation. In general, the…
(WMR) stand out, because they are relatively cheap and easy to build. These features make WMRs the test prototypes for control strategies or motion generation. In general, the…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Systematic review on evaluating planning process in agile development methods
Agile development methods have been catering the need of faster delivery of the ever-demanding domain of software engineering. These methods are able to deliver value to users and businesses via fast, reliable, and repeatable process. Planning…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Wireless control system for spy devices based dual tone multi frequency technology
Obtaining information is one of the most important requirements for
intelligence works, spy surveillance cameras and listening devices are among the important means for this. One problem of using these means is a mechanism of controlling them to…
intelligence works, spy surveillance cameras and listening devices are among the important means for this. One problem of using these means is a mechanism of controlling them to…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Predictions on wheat crop yielding through fuzzy set theory and optimization techniques
Agricultural field’s production is commonly measured through the
performance of the crops in terms of sow amount, climatology, and the type of crop, among other. Therefore, prediction on the performance of the crops can aid cultivators to make…
performance of the crops in terms of sow amount, climatology, and the type of crop, among other. Therefore, prediction on the performance of the crops can aid cultivators to make…