Real-Time Estimate of Velocity and Acceleration of Quasi-Periodic Signals Using Adaptive Oscillators
Estimation of the temporal derivatives of a noisy position signal is a ubiquitous problem in industrial and robotics engineering. Here, we propose a new approach to get velocity and acceleration estimates of cyclical/periodic signals near to steady-state regime, by using adaptive oscillators. Our method combines the advantages of introducing no delay, and filtering out the high-frequency noise. We expect this method to be useful in control applications requiring undelayed but smooth estimates of velocity and acceleration (e. g., velocity control and inverse dynamics) of quasi-periodic tasks (e. g., active vibration compensation, robot locomotion, and lower-limb movement assistance).
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Ronsse, R., Rossi, D., Maria, S. M., Vitiello, N., Lenzi, T., Carrozza, M. C., & Ijspeert, A. J. (2013). Real-Time Estimate of Velocity and Acceleration of Quasi-Periodic Signals Using Adaptive Oscillators. IEEE Transactions on Robotics, 29(3), 783–791. https://doi.org/10.1109/TRO.2013.2240173
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WOS:000320137200018
2013
29
3
783
791
REVIEWED
EPFL