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... type D joint mechanism has a rotational and a translational degrees of freedom. A fully assembled three segment snake-like robot is shown in Figure 2. The top figure shows the CAD model of the snake robot and the lower figure shows the actual robot obtained after assembling the 3D printed parts. ...
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In order to solve the problem that the image information is difficult to handle due to the swing of the snake robot’s head during its serpentine locomotion, this paper improves the control function of the general winding gait for the orthogonal joint-connected snake-like robot, and the useful image information is obtained by reducing the swing of t...
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... It is shown in Figure 2 (a). The five-bar mechanism based snake robot [6,7] is shown in Figure 2 (b). The halfhumanoid to be used is shown in Figure 2 (c). ...
In this work we present a technique to select the best robot for accomplishing a task assuming that the map of the environment is known in advance. To do so, capabilities of the robots are listed and the environments where they can be used are mapped. There are five robots that included for doing the tasks. They are the robotic lizard, half-humanoid, robotic snake, biped and quadruped. Each of these robots are capable of performing certain activities and also they have their own limitations. The process of considering the robot performances and acting based on their limitations is the focus of this work. The wavefront algorithm is used to find the nature of terrain. Based on the terrain a suitable robot is selected from the list of five robots by the wavefront algorithm. Using this robot the mission is accomplished.
... Several AM processes have been developed in the past three decades [19,20] which finds applications in the aerospace [21,22], robotics [23,24], medicine [25] and construction industries [26]. The AM processes approved by ASTM -Committee F42 on Additive Manufacturing Technologies include: ...
Additive manufacturing (AM) process, which is a bottom up process, is being increasingly used for prototyping and pilot production. This process has potential applications during rapid prototyping and manufacturing. The field of material science is ever-growing, with new materials being developed at a faster rate. The existing standards for AM technology needs to be often updated in order to adopt these new materials for AM processes. There are challenges in updating these standards due to difficulty in material selection for a particular AM process, the design limitations and cyber-physical security of AM process chain. These challenges are discussed in this chapter so that additive manufacturing can be adopted for larger volume production by updating the existing AM standards.KeywordsAdditive manufacturingAdditive manufacturing standardsCyber-physical security3D printingDesign limitationsMaterial selection
The field of 3D printing is growing rapidly with the adaptation of disruptive technologies and modern materials. Additive Manufacturing (AM) component cannot be directly used for industrial application due its poor surface, mechanical, corrosion and tribology properties. Among those, surface finish and surface hardness play an important role on the wear and corrosion properties of AM component. So, it is important to address the aforementioned factors to further enhance the properties of the AM component. Hence, post-printing surface modification such as finishing and coatings are essential on the surface of AM components to improve the properties. Also, it is important to address the influence of various surface treatments, coatings, and surface oxidation on the surface quality of AM components, to provide a new insights, ideas, and recent innovations in this domain. Hence, the present chapter reviews the various advance coatings and treatments followed on the materials after the Additive Manufacturing process.KeywordsAdditive manufacturingSurface coatingsSurface modification techniquesSurface qualitySurface properties3D printing
