Abstract
This study’s purpose is to design the controlled system that compensates the time delay and disturbance on a pilot operated proportional pressure relief valve. This relief valve is driven by pilot pressure and this pilot pressure transfers into the orifices and chambers. So this kind of hydraulic valves always have the time delay. A time delay lets the system to unstable when system has large open loop gain.BR In this study, a SMC(Sliding mode controller) and Smith predictor were used as controller. A SMC is an one of best controller which can be used on the system that has uncertainty. A Smith predictor can compensates time delay during to keep the controller’s characteristics. This study also deals with a disturbance observer. A steady state error will be come out from modeling error and disturbance when used the smith predictor. This steady state error have to be recovered to satisfy the controller’s goal. A disturbance observer was selected as a solution. A controlled system was verified by computer simulation.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
More From: Journal of the Korean Society for Power System Engineering
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.