William A. Bullough
Papers
10
Total Citations
75
H-Index
5
About
William A. Bullough is a pioneering researcher in the field of electro-rheological (ER) fluid technology, with a focused career dedicated to advancing robotic actuation systems. His primary research areas encompass ER clutch and brake mechanisms, robotic arm control, and smart fluid dynamics. Bullough’s major contributions include demonstrating the feasibility of using ER clutches as alternative actuators to conventional DC servomotors, addressing critical issues of positioning inaccuracies in robotic manipulators. His seminal work on the twin ER clutch linear reversing mechanism established a validated mathematical model that enables bidirectional displacement with high speed of response and positional accuracy. His most cited paper, "Braking responses of inertia/load by using an electro-rheological (ER) brake" (2007, 19 citations), along with his foundational study on the ER linear reversing mechanism (2002, 17 citations), have collectively garnered over 75 citations. Notably, Bullough’s research systematically validated dynamic torque and velocity responses of ER clutches, comparing their performance against traditional DC servomotors and demonstrating superior positioning repeatability. His work has been instrumental in positioning ER devices as viable, high-performance actuators for modern industrial robotics, offering controllable output dynamics at exceptional speeds.
Research Focus
Key Achievements
Top Papers
- 1Braking responses of inertia/load by using an electro-rheological (ER) brake19 citations · 2007
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- 3Validation of dynamic torque response of an electrorheological (ER) clutch13 citations · 2004
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- 5Shear mode ER transfer function for robotic applications5 citations · 2005
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- 10A DYNAMIC STUDY OF AN ELECTRO-RHEOLOGICAL (ER) CLUTCH2 citations · 2006