Path planning for space robots: Based on knowledge extrapolation and risk factors

2010 ◽  
Author(s):  
Venkateswaran Nagarajan ◽  
Prahasaran Raja
Keyword(s):  
Risk Factors ◽  
Path Planning ◽  
Space Robots

scholarly journals Optimal Path Planning for Space Robots with Joint Friction Torque.

1998 ◽  
Vol 64 (620) ◽  
pp. 1368-1374 ◽  
Author(s):  
Hiroshi OKUBO ◽  
Kiyoshi KOBAYASHI ◽  
Nobuo KOMATSU
Keyword(s):  
Path Planning ◽  
Optimal Path ◽  
Friction Torque ◽  
Space Robots ◽  
Joint Friction ◽  
Optimal Path Planning

MULTI-WAYPOINT-BASED PATH PLANNING FOR FREE-FLOATING SPACE ROBOTS

2019 ◽  
Vol 34 (5) ◽  
Author(s):  
Suping Zhao ◽  
Bruno Siciliano ◽  
Zhanxia Zhu ◽  
Alejandro Guti´rrez-Giles ◽  
Jianjun Luo
Keyword(s):  
Path Planning ◽  
Space Robots

Nonholonomic path planning of space robots via a bidirectional approach

1991 ◽  
Vol 7 (4) ◽  
pp. 500-514 ◽  
Author(s):  
Y. Nakamura ◽  
R. Mukherjee
Keyword(s):  
Path Planning ◽  
Space Robots

Elevated level of circulatory sTLT1 induces inflammation through SYK/MEK/ERK signalling in coronary artery disease

2019 ◽  
Vol 133 (22) ◽  
pp. 2283-2299
Author(s):  
Apabrita Ayan Das ◽  
Devasmita Chakravarty ◽  
Debmalya Bhunia ◽  
Surajit Ghosh ◽  
Prakash C. Mandal ◽  
...  
Keyword(s):  
Risk Factors ◽  
Coronary Artery Disease ◽  
Coronary Artery ◽  
Chronic Inflammation ◽  
Ex Vivo ◽  
Human Subjects ◽  
Critical Role ◽  
Atherosclerotic Cardiovascular Disease ◽  
Tnf Α ◽  
Artery Disease

Abstract The role of inflammation in all phases of atherosclerotic process is well established and soluble TREM-like transcript 1 (sTLT1) is reported to be associated with chronic inflammation. Yet, no information is available about the involvement of sTLT1 in atherosclerotic cardiovascular disease. Present study was undertaken to determine the pathophysiological significance of sTLT1 in atherosclerosis by employing an observational study on human subjects (n=117) followed by experiments in human macrophages and atherosclerotic apolipoprotein E (apoE)−/− mice. Plasma level of sTLT1 was found to be significantly (P<0.05) higher in clinical (2342 ± 184 pg/ml) and subclinical cases (1773 ± 118 pg/ml) than healthy controls (461 ± 57 pg/ml). Moreover, statistical analyses further indicated that sTLT1 was not only associated with common risk factors for Coronary Artery Disease (CAD) in both clinical and subclinical groups but also strongly correlated with disease severity. Ex vivo studies on macrophages showed that sTLT1 interacts with Fcɣ receptor I (FcɣRI) to activate spleen tyrosine kinase (SYK)-mediated downstream MAP kinase signalling cascade to activate nuclear factor-κ B (NF-kB). Activation of NF-kB induces secretion of tumour necrosis factor-α (TNF-α) from macrophage cells that plays pivotal role in governing the persistence of chronic inflammation. Atherosclerotic apoE−/− mice also showed high levels of sTLT1 and TNF-α in nearly occluded aortic stage indicating the contribution of sTLT1 in inflammation. Our results clearly demonstrate that sTLT1 is clinically related to the risk factors of CAD. We also showed that binding of sTLT1 with macrophage membrane receptor, FcɣR1 initiates inflammatory signals in macrophages suggesting its critical role in thrombus development and atherosclerosis.

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