Abstract
The industry processes involving punching, lifting, and digging usually require high precision, high force and long operating hours that increase the prestige in the usage of the electrohydraulic actuator (EHA) system. These processes with the companion of the EHA system usually possess high dynamic complexities that are hard to be controlled and require well-designed and powerful control system. Therefore, this paper will involve the examination of the designed controllers which is applied to the EHA system. Firstly, the conventional proportional-integral-derivative (PID) controller which is the famous controller in the industry is designed. Then, the improved PID controller, which is known as the fractional order PID (FO-PID) controller is designed. After that, the design of the gradually famous robust controller in the education field, which is the sliding mode controller (SMC) is performed. Since the controller's parameters are essentially influencing the performance of the controller, the meta-heuristic optimization method, which is the particle swarm optimization (PSO) tuning method is applied. The variation in the system's parameter is applied to evaluate the performance of the designed controllers. Referring to the outcome analysis, the increment of 59.3% is obtained in the comparison between PID and FOPID, while the increment of 67.13% is obtained in the comparison of the PID with the SMC controller. As a conclusion, all of the controllers perform differently associated with their own advantages and disadvantages.
Highlights
An actuator requires energy sources in its dynamic responses which are commonly the composition of current, air, or fluid, that is known as electric, pneumatic, or hydraulic
An electro-hydraulic actuator (EHA) system is well-known to be widely applied in various applications, for instance aircraft and vehicle pressing machine
These applications usually involve the processes that demanded high force, high precision, and flexible response which require the assistance of the high-performance control system
Summary
An actuator requires energy sources in its dynamic responses which are commonly the composition of current, air, or fluid, that is known as electric, pneumatic, or hydraulic. The sources of the nonlinearities including actuator friction, the mechanism leakages, the compressibility of the fluid, and nonlinear pressure characteristics [3] These existing issues increase the challenge of the controller design. Apart of evaluating the performance of the designed proportional-integral-derivative (PID) controller, fractional order PID (FO-PID) controller, and sliding mode controller (SMC), the robustness performance of these controllers can be evaluated through the variation or changes occurred during the operating condition. The examination of these controllers and methods in the simulation environment will be applied to the hardware that is in the development process.
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Universal Journal of Electrical and Electronic 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.
