Nonlinear problems have drawn great interest and extensive attention from engineers,
physicists and mathematicians and many other scientists because most real systems are …

Robust motion control for tracking time-varying reference signals and its application to an
electrohydraulic camless engine valve actuator is presented. Two challenging issues …

Variable valve timing technologies for internal combustion engines are used to improve
power, torque, and increase fuel efficiency. Details of a new solution are presented in this …

This paper presents spectral analysis of an electrohydraulic system. For a linear system,
spectral analysis using a frequency response function (FRF) offers great insight into system …

This paper presents parametric frequency domain analys. isf an electrohydraulic system, in
particular, with respect to the hydraulic supply pressure. The supply pressure is a design …

This paper presents the diagnostic of electrohydraulic actuators. Different types of faults
common in practice are considered such as a pump fault, abnormal viscous friction, oil …

This paper presents robust position tracking control of an electro-hydraulic camless engine
valve actuator with the reference of time-varying frequency. The valve actuator includes …

The growing demand for sustainable technology in the automotive industry has led to vibrant
research on mechatronic engines. The mechatronic engine replaces and integrates existing …