9,111 research outputs found
Performance investigation of PID controller in trajectory control of two-link robotic manipulator in medical robots
No full textRobot-assisted surgical procedures have gained much coverage in recent years and favored over manually conducted operations. The medical robots are comprised of manipulators arm that is the multi-degree of freedom positioning devices with a highly non-linear nature to perform various surgical tasks. Due to non-linear effects, robots offer a severe challenge to the control system. Therefore, the control techniques are required for controlling the robots that should be fast enough to accommodate the rapid changes in the system parameters. In this article, the Proportional-Integral-Derivative (PID) controller’s performance has been investigated in trajectory control of the Two-Link Robotic Manipulator (TLRM) for reliable functioning of these robots. Tracking error and Control input factors have been used to investigate the PID controller’s robustness in trajectory control of ‘TLRM.’ Euler’s-lagrange approach has been used for dynamic analysis of ‘TLRM’. This work has been accomplished in the MATLAB®/ Simulink environment.Kuldeep Jayaswal, D. K. Palwalia & Sandeep Kumar (2021) Performance investigation of PID controller in trajectory control of two-link robotic manipulator in medical robots, Journal of Interdisciplinary Mathematics, 24:2, 467-478, DOI: 10.1080/09720502.2021.189344
Protocol optimizations for the CRL distributed shared memory system
No full textThesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.Includes bibliographical references (p. 173-175).by Sandeep K. Gupta.M.S
Classification of solutions of a critical Hardy-Sobolev operator. J. Differential Equations 224 (2006), no. 2, 258--276
No full textIn this article we classify all positive finite energy solutions of the equation −u=u
n
n−2
|y| in Rn
where Rn=Rk ×Rn−k, n>k2 and a point x ∈ Rn is denoted as x=(y, z) ∈ Rk ×Rn−k. As
a consequence we obtain the best constant and extremals of a related Hardy–Sobolev inequality
Cylindrical symmetry of extremals of a Hardy-Sobolev inequality,
No full textIn this note we discuss simmetry properties of a weigheted Hardy-Sobolev inequalities due to M. Badiale e G. Tarantell
Moser-Trudinger inequality on conformal discs
No full textWe prove that a sharp Moser–Trudinger inequality holds true on a conformal disc if
and only if the metric is bounded from above by the Poincar ́e metric. We also derive
necessary and sufficient conditions for the validity of a sharp Moser–Trudinger inequality
on a simply connected domain in R2
Cylindrical symmetry of extremals of a Hardy-Sobolev inequality. Ann. Mat. Pura Appl. (4) 183 (2004), no. 2, 165--172
No full textIn this note we discuss symmetry properties of the extremals of a weighted Hardy–
Sobolev inequality due to M. Badiale and G. Tarantello
On-Chip High Impedance RMS Voltage Measurements at 265–300 GHz
No full textFull text access from Treasures at UT Dallas is restricted to current UTD affiliates (use the provided Link to Article).A wideband (265-300 GHz) and high impedance root-mean-square (RMS) detector for on-chip voltage measurements is demonstrated in a 45-nm bulk CMOS process. The detector responsivity is ~70V/W at 10-nA bias. Adding the detector increases the loss of a 140-µm long GCPW thru structure by less than 0.2 dB up to 300 GHz. The compact RMS detectors are placed under a grounded coplanar waveguide feed to a patch antenna with virtually no area penalty, and used to measure the standing wave voltages. The minimum detectable signal of detector is ~37 dBm with a dynamic range of ~40 dB.Erik Jonsson School of Engineering and Computer ScienceTexas Analog Center of Excellenc
sj-docx-1-nnr-10.1177_15459683221146996 – Supplemental material for A Systematic Review on the Effects of Acute Aerobic Exercise on Neurophysiological, Molecular, and Behavioral Measures in Chronic Stroke
No full textSupplemental material, sj-docx-1-nnr-10.1177_15459683221146996 for A Systematic Review on the Effects of Acute Aerobic Exercise on Neurophysiological, Molecular, and Behavioral Measures in Chronic Stroke by Anjali Sivaramakrishnan and Sandeep K. Subramanian in Neurorehabilitation and Neural Repair</p
Hardy–Sobolev extremals, hyperbolic symmetry and scalar curvature equations
No full texta b s t r a c t
Article history:
Received 16 April 2008
Revised 5 September 2008
Available online 22 October 2008
MSC:
primary 35J60
secondary 35B05, 35A15
We prove nondegeneracy of extremals for some Hardy–Sobolev–
Maz’ya inequalities and present applications to scalar curvaturetype
problems, including the Webster scalar curvature equation in
a cylindrically symmetric setting. The main theme is hyperbolic
symmetry.
© 2008 Elsevier Inc. All rights reserved
- …
