Design and Implementation of an Energy-Efficient, Low-Cost Robotic Solar Tracker

2018 ◽  
pp. 127-138
Author(s):  
K. Damayanti ◽  
◽  
T. Sunil Reddy ◽  
B. M. Reddy ◽  
Avireni Srinivasulu
Keyword(s):  
Energy Efficient ◽  
Low Cost ◽  
Design And Implementation ◽  
Solar Tracker

scholarly journals Design and implementation of an automatically aligned solar tracking system

2019 ◽  
Vol 10 (4) ◽  
pp. 2055
Author(s):  
Anees Abu Sneineh ◽  
Wael A. Salah
Keyword(s):  
Closed Loop ◽  
Tracking System ◽  
Low Cost ◽  
Electrical Energy ◽  
Clean Energy ◽  
Design And Implementation ◽  
Solar Tracking ◽  
Photo Sensor ◽  
Wide Availability ◽  
Solar Tracker

This paper presents the design and implementation of a closed-loop solar tracker system. The demand for clean energy sources has increased along with the rising demand for electrical energy and the increasing amount of environment pollution triggered by fuel consumption. Among these sources, solar energy is considered the most feasible given its wide availability and easy operation in different environments. The main purpose of this study is to maximize the generated photovoltaic power and reduce CO<sub>2</sub> emissions by designing an efficient and low-cost solar tracking system. An aligned closed-loop solar tracker is designed and constructed to achieve the best accuracy. The proposed system shows more freedom in its movement to overcome the problems associated with the tilt of the frame-holder. A PIC microcontroller based on the Flowcode programming language is used, the position feedback is detected by using a photo-sensor, and the H-Bridge driver is used to control two DC motors. According to the experimental results, the proposed system shows significant improvements in efficiency compared with stationary solar tracking systems.

scholarly journals Design and Implementation Scheme of QSFP28 Optical Transceiver for Long-Reach Transmission Using PAM4 Modulation

2021 ◽  
Vol 11 (6) ◽  
pp. 2803
Author(s):  
Jae-Woo Kim ◽  
Dong-Seong Kim ◽  
Seung-Hwan Kim ◽  
Sang-Moon Shin
Keyword(s):  
Form Factor ◽  
Low Cost ◽  
Pulse Amplitude ◽  
Small Form ◽  
Transceiver Design ◽  
Industrial Sites ◽  
Design And Implementation ◽  
Design Scheme ◽  
Implementation Scheme ◽  
Small Form Factor

A quad, small form-factor pluggable 28 Gbps optical transceiver design scheme is proposed. It is capable of transmitting 50 Gbps of data up to a distance of 40 km using modulation signals with a level-four pulse-amplitude. The proposed scheme is designed using a combination of electro-absorption-modulated lasers, transmitter optical sub-assembly, low-cost positive-intrinsic-native photodiodes, and receiver optical sub-assembly to achieve standard performance and low cost. Moreover, the hardware and firmware design schemes to implement the optical transceiver are presented. The results confirm the effectiveness of the proposed scheme and the performance of the manufactured optical transceiver, thereby confirming its applicability to real industrial sites.

scholarly journals Design and implementation of a low cost bio-printer modification, allowing for switching between plastic and gel extrusion

HardwareX ◽  
2021 ◽  
pp. e00186
Author(s):  
Adolf Krige ◽  
Jakub Haluška ◽  
Ulrika Rova ◽  
Paul Christakopoulos
Keyword(s):  
Low Cost ◽  
Design And Implementation

Bifunctional single-atomic Mn sites for energy-efficient hydrogen production

Nanoscale ◽  
2021 ◽  
Author(s):  
Xianyun Peng ◽  
Junrong Hou ◽  
Yuying Mi ◽  
Jiaqiang Sun ◽  
Gaocan Qi ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Energy Saving ◽  
Hydrogen Evolution Reaction ◽  
Energy Efficient ◽  
Low Cost ◽  
Clean Energy ◽  
H2 Production ◽  
Energy Technology ◽  
Highly Active ◽  
Clean Energy Technology

Electrocatalytic hydrogen evolution reaction (HER) for H2 production is essential for future renewable and clean energy technology. Screening energy-saving, low-cost, and highly active catalysts efficiently, however, is still a grand...

Embedding metal foam into metal–organic framework monoliths for triggering a highly efficient release of adsorbed atmospheric water by localized eddy current heating

2021 ◽  
Author(s):  
Yingle Tao ◽  
Qiangqiang Li ◽  
Qiannan Wu ◽  
Haiqing Li
Keyword(s):  
Thermal Insulation ◽  
Eddy Current ◽  
Energy Efficient ◽  
Metal Foam ◽  
Low Cost ◽  
Metal Organic Framework ◽  
Atmospheric Water ◽  
Highly Efficient ◽  
Metal Organic ◽  
Eddy Current Heating

Localized eddy current heating delivered by metal foam embedded in a MOF monolith provides a novel, low-cost, and energy efficient way to overcome the thermal insulation nature of MOF monoliths and realize their highly efficient regenerations.

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