In this study, an intelligent PID (i-PID) controller is designed for position control of a
nonlinear electro-hydraulic system with uncertain valve characteristics and supply pressure …

Back-step** design method is widely used in high-performance tracking control tasks As
is known to all, the controller based on back-step** design will become complex as the …

Electro-hydraulic actuators (EHAs) are key linear drive components in various industrial
applications. This paper addresses the challenge of achieving precise displacement …

There exist hydraulic parametric uncertainty and unknown external load in electro-hydraulic
system (EHS), which inevitably decline the tracking performance and the stability of the …

Abstract The Electro-Hydraulic Actuator (EHA) system integrates electrical and hydraulic
elements, enabling it to generate a rapid reaction, a high powerto-weight ratio, and …

In electro-hydraulic servo systems (EHSS), high nonlinearity and time-varying features limit
the hydraulic actuator performance. In feedback-based systems, linearization reduces …

In this paper, a linear active disturbance rejection control strategy (LADRC) aiming at the
nonlinearity and load disturbance problems in electrohydraulic proportional servo system …

Uncertain dynamics and strong time-varying disturbances are always present in high-
pressure electro-pneumatic servo valves (HESV) directly driven by voice coil motors …

Electro-hydraulic actuators offer advantages over traditional hydraulic actuators, particularly
for high-precision force or position control, but their nonlinear dynamics complicate …

In recent years, servo proportional valves have been widely used in the industry owing to the
advantages of high stability and low cost. However, the nonlinearity and parameter …