Optical position encoders have been invented and investigated for several decades for
precision measurement. In this article, a comprehensive survey on the optical position …

The self-mixing technique based on the traditional reflecting mirror has been demonstrated
with great merit for angle sensing applications. In order to solve the problems of the narrow …

A simple and novel design method for resolver-to-digital conversion is presented. The
proposed method takes advantage of the auxiliary sinusoidal signals generated by addition …

This paper describes a novel and high-performance phase-locked loop (PLL) resolver
converter for the measurement of mechanical angles. The proposed method does not …

Shaft resolver is widely used in many industrial applications, such as robotics and machine
automation applications. Because the performance of the system depends on measurement …

Variable reluctance (VR) resolvers are proposed for industrial applications due to their
simple structure. In this paper the effect of different stator windings on position accuracy of …

To obtain a rotary motor's position, resolver-to-digital conversion conventionally adopts
phase-locked loop-based type-II angle tracking observer (ATO), which generally performs …

Sinusoidal encoders are used for the measurement of angular position and linear
displacement. These provide electrical signals dependent on the sine and cosine of the …

This paper describes a phase-locked loop (PLL) converter with improved dynamic response
for the determination of mechanical angle from sinusoidal encoders and resolvers. PLL …

High-end equipment manufacturing industry has increasing requirements on high-resolution
performances. To improve the measurement resolution obtainable from signals of sinusoidal …