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A Shower system needs a controller to operate automatically while providing comfort and safety to users. This research designed the interval type-2 fuzzy logic controller (IT2FLC) in order to control the output temperature as well as the out flow rate of shower system. A shower system is modelled as mixing of hot water flow input and cold water flow input while producing single water flow output with...
This paper discusses about an implementation of genetic algorithm in Long Term Evolution (LTE) Network planning. The network planning specifies for a particular provider in Sleman region case that has 119 2G/3G existing base transceivers (BTS). Based on calculation of 4G technology, actually 62 eNodeB are enough to support user capacity in Sleman. A genetic algorithm (GA) is employed to choose 62...
This paper discusses about a modelling, implementation and performances evaluation of physical layer of single carrier frequency division multiple access (SC-FDMA). They are done on LabVIEW model-based platform. The SC-FDMA physical layer model consists of data generator, a constellation mapper/demapper, a pair of discrete Fourier transform and channel model. The simulations are performed based on...
Photovoltaic systems are generally operated in environments with rapidly changes in atmospheric conditions. Maximum Power Point Tracking system is required to keep the operation of photovoltaic at the maximum power point. In this research, a simple interval type-2 fuzzy logic controller is designed as maximum power point tracking system. Based on the hill climbing algorithm, the proposed interval...
Air heater temperature control systems generally deal with many uncertainties from their environment as well as uncertainties from the sensor measurement. Type-2 Fuzzy Logic Controller (FLC) has many advantages in handling uncertainties. This research implemented PI-like type-2 FLC for air heater temperature control. The input variables of the type-2 FLC are error and change of error, while its output...
PID controller has been implemented in many applications due to its simplicity and its good performance. The main problem in PID controller design is tuning its parameters. In order to result in optimal performance, PID parameters should be tuned precisely. An alternative approach that can be used in PID parameters tuning is using swarm intelligence including Particle Swarm Optimization (PSO) and...
The main problem on PID controller design is tuning its parameters in order to generate optimal systems performance. This paper applies Genetics Algorithms (GA) for tuning PID controller of an air heater. PID controller is used to control the output temperature of the air heater. A process model of the air heater is defined based on its open loop step response. Using this model, an offline PID parameters...
Heat exchanger systems are widely used in chemical plants. They are affected on load and disturbance of the process plant, change in operation condition and nonlinearity. In this paper, we design an interval type-2 Fuzzy Logic Controller (FLC) for stirred tank heat exchanger systems. It controls the coolant flow in order to result in the desired temperature of output fluid. The inputs of this interval...
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