Estimation of physiological tremor from accelerometers for real-time applications

KC Veluvolu, WT Ang - Sensors, 2011 - mdpi.com
Accurate filtering of physiological tremor is extremely important in robotics assisted surgical
instruments and procedures. This paper focuses on developing single stage robust …

Estimation and filtering of physiological tremor for real‐time compensation in surgical robotics applications

KC Veluvolu, WT Ang - The International Journal of Medical …, 2010 - Wiley Online Library
Background Physiological tremor is the main cause of imprecision in microsurgical
procedures/robotics applications. Existing methods, such as weighted‐frequency Fourier …

Bandlimited multiple fourier linear combiner for real-time tremor compensation

KC Veluvolu, UX Tan, WT Latt… - 2007 29th Annual …, 2007 - ieeexplore.ieee.org
Surgical accuracy of the hand-held instruments depends on the active compensation of
disturbance and tremor. Physiological tremor is one of the main causes for imprecision in …

Double adaptive bandlimited multiple Fourier linear combiner for real-time estimation/filtering of physiological tremor

KC Veluvolu, WT Latt, WT Ang - Biomedical Signal Processing and Control, 2010 - Elsevier
Tremor is the root cause for human imprecision during microsurgery. Accurate filtering of
physiological tremor is extremely important for compensation in robotics assisted …

Drift-free position estimation of periodic or quasi-periodic motion using inertial sensors

WT Latt, KC Veluvolu, WT Ang - Sensors, 2011 - mdpi.com
Position sensing with inertial sensors such as accelerometers and gyroscopes usually
requires other aided sensors or prior knowledge of motion characteristics to remove position …

A quaternion weighted Fourier linear combiner for modeling physiological tremor

K Adhikari, S Tatinati, WT Ang… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
Goal: This paper offers a new approach to model physiological tremor aiming at attenuating
undesired vibrations of the tip of microsurgical instruments. Method: Several tremor …

A compact hand-held active physiological tremor compensation instrument

WT Latt, UX Tan, CY Shee… - 2009 IEEE/ASME …, 2009 - ieeexplore.ieee.org
This paper presents research, design, and development of a compact version of a hand-held
active physiological tremor compensation instrument called ldquoITremrdquo. The …

A low-cost flexure-based handheld mechanism for micromanipulation

UX Tan, WT Latt, CY Shee… - IEEE/ASME Transactions …, 2010 - ieeexplore.ieee.org
With the advancement in the knowledge of surgical procedures and cell micromanipulation,
there is a demand for a handheld instrument to perform micromanipulation. Hence, this …

Compact sensing design of a handheld active tremor compensation instrument

WT Latt, UX Tan, CY Shee, CN Riviere… - IEEE sensors …, 2009 - ieeexplore.ieee.org
Active physiological tremor compensation instruments have been under research and
development recently. The sensing unit of the instruments provides information on three …

Placement of accelerometers for high sensing resolution in micromanipulation

WT Latt, UX Tan, CN Riviere, WT Ang - Sensors and Actuators A: Physical, 2011 - Elsevier
High sensing resolution is required in sensing of surgical instrument motion in
micromanipulation tasks. Accelerometers can be employed to sense physiological motion of …