Mobile robot with passively articulated driving tracks for high terrainability and maneuverability on unstructured rough terrain: Design, analysis, and performance evaluation

2018 ◽  
Vol 32 (11) ◽  
pp. 5389-5400 ◽  
Author(s):  
Jihoon Kim ◽  
Jongwon Kim ◽  
Donghun Lee
2019 ◽  
Vol 27 (4) ◽  
pp. 417-430
Author(s):  
Rajesh Kannan Megalingam ◽  
Venkat Rangan ◽  
Pranav Veliyara ◽  
Rithun Raj Krishna ◽  
Raghavendra Prabhu ◽  
...  

2019 ◽  
Vol 8 (3) ◽  
pp. 3116-3122 ◽  

The paper presents a detailed investigation of various types of circular ring patch antennas and their importance in Wireless Communications, especially under satellite Frequency Applications. The main focus is considered on the typical resonant frequencies, design parameters, theoretical foundations on the shape, equivalent circuits and various applications of the ring patch antennas. Design, simulation and comparison of different structures of patches with annulus patch were also presented to justify the investigation.


2020 ◽  
Vol 58 (1) ◽  
pp. 107
Author(s):  
Marvin Canoneo Credo ◽  
Danilo P. Metra

Hydraulic ram pump is one of the oldest mechanical devices used for water lifting. A hydraulic ram pump has two moving parts which are the waste valve and delivery valve. As a lot of studies had been carried out investigating parameters possibly affecting the performance of a hydraulic ram pump, this study aimed to design and­ fabricate a modified waste valve for a hydraulic ram pump with parts made from locally available off-the-shelf materials. Results revealed that varying the height of the waste valve’s stroke significantly affected the relivery flow rate thus affecting its overall all efficiency. 


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