The need for precision positioning applications has enormously influenced the research and
development towards the growth of precision actuators. Over the years, piezoelectric …

The micro-vibration generated by various disturbance sources on spacecraft seriously
affects the observation and imaging accuracy. Thus, some measures must be taken to …

As the technology for precision satellite payloads continues to advance, the requirements for
the pointing stability of the satellites are becoming extremely high. In many situations, even …

Operation of various actuators on a satellite such as reaction wheels, cryocoolers, etc.
produces micro-vibration which may have adverse effects on the performance of high …

Piezoelectric actuators are a class of actuators that precisely transfer input electric energy
into displacement, force, or movement outputs efficiently via inverse piezoelectric effect …

This paper presents the design, modeling, calibration, and hysteresis compensation of a self-
sensing precision stage used for active vibration isolation. The stage prototype is …

The microvibrations generated by flywheels running at full speed onboard high precision
spacecrafts will affect stability of the spacecraft bus and further degrade pointing accuracy of …

The technological developments in the field of image based sensing have led to a vast
growth in the use of drones in various domains. The drone is usually equipped with an …

Pointing stability of high precision observation satellites must satisfy the stringent
requirements to perform at a designed level. As even a small vibrational disturbance can …

A number of components and payload systems installed in satellites are found to be
exposed to various disturbance sources, such as the reaction wheel assembly, the control …