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An Underactuated Hip Exoskeleton to Assist Hip Joints Driven by a Single-Series Elastic Actuator. [PDF]

open access: yesBiomimetics (Basel)
Yue Y   +7 more
europepmc   +1 more source

Disturbance torque estimation in a sensorless DC drive

open access: yesIEEE Transactions on Industrial Electronics, 1995
The estimation of the disturbance torque in a sensorless DC drive is carried out by extending the classical observer theory. Three estimation schemes are formulated according to the representation of the disturbance torque and processing of the observer states.
G. Buja, MENIS, ROBERTO, M. I. Valla
openaire   +5 more sources
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Performance analysis of a high-bandwidth torque disturbance compensator

IEEE/ASME Transactions on Mechatronics, 2004
Recent availability of encoder with millions of counts per revolution makes it possible to enlarge the bandwidth of the torque disturbance observer (TDO) equipping a servo drive. As a consequence, the TDO dynamics are no more decoupled from those of current and the behavior of the torque disturbance compensator (TDC) is influenced by the current ...
BERTOLUZZO, MANUELE   +2 more
exaly   +2 more sources

Adaptive feedforward control for disturbance torque rejection in seeker stabilizing loop

IEEE Transactions on Control Systems Technology, 2001
Important sources of disturbance torque inputs, which may severely degrade the seeker tracking accuracy of a guided missile, involve seeker mass imbalance, seeker gimbal friction, and seeker head restoring torque. The paper presents an approach to treat the disturbance rejection problem for the missile seeker.
Chun-Liang Lin, Yi-Hsing Hsiao
exaly   +2 more sources

Steering Torque Disturbance Rejection

SAE International Journal of Vehicle Dynamics, Stability, and NVH, 2017
<div class="section abstract"><div class="htmlview paragraph">The layout of a vehicle steering system has to resolve a compromise. While it is important for lateral vehicle control to feel steering torque feedback of lateral tire to ground interaction, disturbing forces shall not be present in the feedback steering torque.
Jens Dornhege   +2 more
openaire   +1 more source

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