Fig 1 - uploaded by Vukica Jovanovic
Content may be subject to copyright.
Contexts in source publication
Context 1
... are two solar tracking angles, as shown in Fig. 1: zenith [θ] (also known as altitude), which describes movement of the tracker from north to the south, usually seen as the second axis in double axis solar trackers. The second angle is azimuth [ϕ], which is the first axis -the one that also exists in one axis solar panels and goes from east to west, as shown in Fig.1 [10]. The Sun ...
Context 2
... are two solar tracking angles, as shown in Fig. 1: zenith [θ] (also known as altitude), which describes movement of the tracker from north to the south, usually seen as the second axis in double axis solar trackers. The second angle is azimuth [ϕ], which is the first axis -the one that also exists in one axis solar panels and goes from east to west, as shown in Fig.1 [10]. ...
Context 3
... that is not the case, the signal is sent to the electrical motor to move the tracker around the axis [9]. Usually PV panels are arranged in arrays, as seen in Fig.1. Both of these systems can be controlled by either a closed- loop or open-loop system, or with fuzzy logic control [5]. ...
Context 4
... this project was to design a more cost effective solar panel. The mounting structure has been analyzed for the purpose of holding as many solar panels as possible and reducing the weight of the overall mounting structure. This system represents the second generation of solar trackers developed at Old Dominion University, Norfolk, VA, as shown in Fig.3 [14]. Another important parameter related to the solar panel position is the latitude of where the solar panel is located. The latitude will be used for the decision related to the angle at which the solar panel is mounted. One side of the tracker will be higher than the other, which might be important for the performance in various ...
Similar publications
Citations
... Developing such a robotic device is a difficult undertaking because it must operate in all weather conditions because it is outside [10]. Implementation is a cross-disciplinary endeavor that involves electronics, mechanics, mechatronics, automation, and software [11], which requires a complex mathematical calculation to determine the relationship between the position of the Sun and the amount of movement that robot motors must produce [12]. ...
The aim of this paper is to present the genetic algorithm used in programming a solar tracker robot. The solar tracker robot can be used to increase the efficiency of solar panels by rotating them toward the Sun. When the efficiency of solar panels is increased, they can reduce the space occupied by them. Efficiency can also be increased by genetic algorithms, where a solar panel can evolve and thus track the Sun more precisely. The genetic algorithm implemented in the solar tracker is the main focus of this paper. The genetic algorithm is presented with a flow chart and formulas. After this, the system is implemented on a solar tracker robot and validated with real experiments. The solar tracker robot algorithm is implemented in the C language on a microcontroller built on an FPGA platform.
... Sistem kontrol tracking mentari merupakan sistem kontrol yang sering menjajaki posisi surya [3] [4]. Tujuan dari sistem tracking surya ini ialah buat menaruh penampang supaya senantiasa dalam posisi mengarah ke arah cahaya mentari, alhasil bila ditempatkan panel surya diatasnya, tenaga listrik yang diperoleh oleh panel surya jadi maksimum, riset mempertimbangkan kenaikan ketepatan dalam satu tahun pada Azimuth-Altitude Dual Axis Solar Tracker dibandingkan tanpa sistem tracking mentari merupakan sebesar 48, 98%, serta kemampuan bertambah 36, 504% dalam satu tahun apabila dibanding dengan Single Axis Solar Tracker [5] [6]. Ujung elevasi merupakan ujung ketinggian mentari diukur dari arah mendatar. ...
Photovoltaic merupakan pembangkit energy listrik terbarukan yang sangat cocok untuk negara trapis yang banyak mendapat sinar matahari. Akan tetapi pembangkit ini mempunyai efisiensi yang masih kecil. Untuk mengatasi kekurangan ini, beberapa peneliti telah megoptimasi dengan metode dual axis tracking solar secara konvensional. Diperlukan penelitian dengan mengoptimasi menggunakan kecerdasan buatan, dalam hal ini Adaptive Neuro-Fuzzy Inference System (ANFIS) dan Bat Algorithm (BA). Dengan membandingkan performasi model tanpa kontrol, model PID konvensional, PID Auto tuning matlab, metode Fuzzy Logic Controller (FLC), metode ANFIS, dan metode ANFIS-BA. Hasil simulasi menunjukkan bahwa desain model terbaik pada harisontal axis dan vertical axis dual tracking photovoltaic adalah ANFIS-BA dengan overshot terkecil, undershot terkecil, dan settling time tercepat dari semua desain model.
... Sistem kontrol tracking mentari merupakan sistem kontrol yang sering menjajaki posisi surya [3] [4]. Tujuan dari sistem tracking surya ini ialah buat menaruh penampang supaya senantiasa dalam posisi mengarah ke arah cahaya mentari, alhasil bila ditempatkan panel surya diatasnya, tenaga listrik yang diperoleh oleh panel surya jadi maksimum, riset mempertimbangkan kenaikan ketepatan dalam satu tahun pada Azimuth-Altitude Dual Axis Solar Tracker dibandingkan tanpa sistem tracking mentari merupakan sebesar 48, 98%, serta kemampuan bertambah 36, 504% dalam satu tahun apabila dibanding dengan Single Axis Solar Tracker [5] [6]. Ujung elevasi merupakan ujung ketinggian mentari diukur dari arah mendatar. ...
Photovoltaic is a renewable electrical energy generator that is very suitable for tropical countries that get a lot of sunlight. However, this generator has low efficiency. To overcome this deficiency, several researchers have optimized the conventional dual-axis tracking solar method. Research is needed to optimize using artificial intelligence, in this case, the Adaptive Neuro-Fuzzy Inference System (ANFIS) and Bat Algorithm (BA). By comparing the performance of the model without control, conventional PID model, PID Auto tuning MatLab, Fuzzy Logic Controller (FLC) method, ANFIS method, and ANFIS-BA method. The simulation results show that the best model design on the horizontal axis and vertical axis dual tracking photovoltaic is ANFIS-BA with the smallest overshot, smallest undershot, and the fastest settling time of all model designs.
... Two actuators, used in a model by Hammed et al., is also called a two-axis tracker, where two independent motors (or actuators) ensure motion along an axis: one accounting for the azimuth angle and another for the altitude [47]. Jovanovic et al. use a linear actuator [48] to obtain the east-to-west motion of the solar panel. Weight reduction and cost-effectiveness are the primary considerations in this case and is accomplished by choosing a single linear actuator instead of the usual rotational actuator. ...
Various mechanical, hydraulic, pneumatic, electrical, and hybrid actuators can alter motion per the requirements of particular applications. However, except for electrical ones, all actuators are restricted due to their size, complex auxiliary equipment, frequent need for maintenance, and sluggish environment in renewable applications. This brief review paper highlights some unique and significant research works on applying electrical actuators to renewable applications. Four renewable energy resources, i.e., solar, wind, bio-energy, and geothermal energy, are considered to review electric actuators applicable to renewable energy systems. This review analyses the types of actuators associated with the mentioned renewable application, their functioning, their motion type, present use, advantages, disadvantages, and operational problems. The information gathered in this paper may open up new ways of optimization opportunities and control challenges in electrical actuators, thereby making more efficient systems. Furthermore, some energy-efficient and cost-effective replacements of convectional actuators with new innovative ones are suggested. This work aims to benefit scientists and new entrants working on actuators in renewable energy systems.
... Solar trackers are one of verious attantion for renewable energy resources [14,15]. This is interesting study, becouse of solar tracker can be applied in the residential homes as heating and water pumping [4]. Furthermore, with harvesting energy concept from the sun with minimal maintainability, solar tracker can be used for longer time [5,7]. ...
... However, the design of the display results of monitoring using thingspeak has not been much discussed. In addition, analysis methods have been developed related to arduino Uno controller [6], algorithm [4] system development, design and development [9], and analysis for actuators [5]. Furthermore, in this study an online monitoring system was designed using an arduino uno sensor circuit. ...
... Where I ah is the extraterrestrial radiation, I sc is the solar heat constant, n is the day of a year, θz is the angle between sunbeam to the normal surface of the earth (zenith angle). Then, by developing meinel model the global horizontal irradiance (GHI) model can calculated as (2), direct normal irradiance (DNI) model (3), diffuse horizontal irrediance (DHI) model (4), and air mass of the sun's rays traveling by the earth atmosphere (5). ...
... The solar tracking system was created to take advantage of solar radiation as efficiently as possible, increasing the amount of energy radiated to the solar rig. Thus, the amount of electricity generated will be greater than the fixed devices [17]. A solar tracking system consists of three components: a mechanical mechanism, a solar panel and a control system. ...
... The solar tracker is used to bring the surface of the device always to direct towards the sun to capture the most energy. According to the principles, the solar tracker has single-axis [3,4] or dual-axis degrees of freedom [5-9]. The mechanical drives are also very diverse: linear actuators [3, 8], gearboxes and a DC motors [4-6], step motors [7], and screwdrivers with step motors [10]. ...
p>At present, the use of small roof-mounted photovoltaic systems is developing strongly, so development of a sun tracker to increase the efficiency of the photovoltaic system is essential. In this paper we have given the size analysis of linear actuator and also its selection method for single-axis tracker. In addition, the paper also given analysis of the power and energy of the linear actuator and its controller on a typical sunny day.</p
... Usually, a full day light cycle is described by a 150 degree rotation of the Sun around the horizon whereas one year period is outlined by a 46 degrees movement of the star from the north to south direction [23]. Static PV panels are physically not able to capture the maximum potential of solar energy mainly because of their generally fixed 45 degrees installation angle and while the Earth travels around the Sun, certain regions of the solar panel become shaded and thus provide a minor or no contribution to the power output of the solar system. ...
