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» Integrated DC DC converter with digital controller
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IROS
2007
IEEE
126views Robotics» more  IROS 2007»
14 years 3 days ago
Passive and accurate torque control of series elastic actuators
— The principle of Series Elastic Actuation offers considerable advantages for haptic displays compared to stiff actuators. The interaction force between motor and load is direct...
Heike Vallery, Ralf Ekkelenkamp, Herman van der Ko...
DATE
2003
IEEE
90views Hardware» more  DATE 2003»
13 years 11 months ago
Transistor-Level Static Timing Analysis by Piecewise Quadratic Waveform Matching
While fast timing analysis methods, such as asymptotic waveform evaluation (AWE), have been well established for linear circuits, the timing analysis for non-linear circuits, whic...
Zhong Wang, Jianwen Zhu
GLVLSI
2002
IEEE
106views VLSI» more  GLVLSI 2002»
13 years 10 months ago
A low power direct digital frequency synthesizer with 60 dBc spectral purity
We present a low-power sine-output Direct Digital Frequency Synthesizer (DDFS) realized in 0.18 µm CMOS that achieves 60 dBc spectral purity from DC to the Nyquist frequency. No ...
J. M. Pierre Langlois, Dhamin Al-Khalili
ENGL
2008
153views more  ENGL 2008»
13 years 5 months ago
Neural Network NARMA Control of a Gyroscopic Inverted Pendulum
The objective herein is to demonstrate the feasibility of a real-time digital control of an inverted pendulum for modeling and control, with emphasis on nonlinear auto regressive m...
F. Chetouane, S. Darenfed
CORR
2008
Springer
65views Education» more  CORR 2008»
13 years 5 months ago
Solving functional reliability issue for an optical electrostatic switch
In this paper, we report the advantage of using AC actuating signal for driving MEMS actuators instead of DC voltages. The study is based upon micro mirror devices used in digital...
Henri Camon, C. Ganibal, N. Rapahoz, M. Trzmiel, C...