精密控制技术离不开光机电结构配置, 电机驱动, 传感器, 控制算法以及载荷平台的发展,
它是实现高精度光电跟踪的必要手段. 无论固定地基平台还是运动平台, 扰动抑制 …

Active disturbance-rejection methods are effective in estimating and rejecting disturbances
in both transient and steady-state responses. This paper presents a deep observation on …

This article proposes a novel model-free optimal speed tracking control scheme for
permanent magnet synchronous motors (PMSMs) through reinforcement learning (RL). To …

The tracking control based on output feedback for a category of flexible-joint robot (FJR)
systems is investigated in this brief. Control performance of the systems is inevitably bearing …

This article presents a linear active disturbance rejection control (LADRC) scheme for two-
mass systems (TMSs) based on a singular perturbation (SP) approach. In the proposed …

Precision control methodologies are necessary to implement high-precision optical-electric
tracking performance, and depend on structural configuration, actuator drive, sensors …

In order to deal with optimal setpoint tracking (OST) problems, a discounted cost function
has been introduced in the existing work. However, the optimal tracking controllers …

Friction deteriorates speed and position control accuracy of high-precision machine tools
and causes distortion phenomenon when the speed crosses zero. In this article, a new …

This study presents an effective two-degrees-of-freedom controller, considering coupling
torque compensation, with the aim of achieving fast and precise positioning of a flexible …

Inertia load change, torque disturbance, and sophisticated mechanical nonlinearity impose
great challenge on the high-precision control design of motor servo systems. To achieve …