Energy Efficient Parallel Configuration Based Six Degree of Freedom Machining Bed

Zareena Kausar, Muhammad Faizan Shah, Zeeshan Masood, Hafiz Zia Ur Rehman, Sardor Khaydarov, Muhammad Tallal Saeed, Omid Razmkhah and Haseeb Yaqoob
Additional contact information
Zareena Kausar: Department of Mechatronics and Biomedical Engineering, Air University, Islamabad 44000, Pakistan
Muhammad Faizan Shah: Department of Mechanical Engineering, Khwaja Fareed University of Engineering and IT, Rahim Yar Khan 64200, Pakistan
Zeeshan Masood: Department of Control Science and Engineering, School of Automation, Beijing Institute of Technology, Beijing 100081, China
Hafiz Zia Ur Rehman: Department of Mechatronics and Biomedical Engineering, Air University, Islamabad 44000, Pakistan
Sardor Khaydarov: Innovative Educational Technologies, Andijan Machine Building Institute, Andizhan 170100, Uzbekistan
Muhammad Tallal Saeed: Department of Mechatronics and Biomedical Engineering, Air University, Islamabad 44000, Pakistan
Omid Razmkhah: School of Mechanical, Aerospace and Automotive Engineering, Faculty of Engineering, Environmental and Computing, Coventry University, Coventry CV1 5FB, UK
Haseeb Yaqoob: Department of Mechanical Engineering, Khwaja Fareed University of Engineering and IT, Rahim Yar Khan 64200, Pakistan

Energies, 2021, vol. 14, issue 9, 1-23

Abstract: The process of material removal from a workpiece to obtain the desired shape is termed machining. Present-day material removal technologies have high spindle speeds and thus allow quick material removal. These high-speed spindles are highly exposed to vibrations and, as a result, the accuracy of the final workpiece’s dimensions is compromised. To overcome this problem, the motion of the tool is restricted, and multiple degrees of freedom are given through the motion of the workpiece in different axes. A machining bed configured as a parallel manipulator capable of giving six degrees of freedom (DOF) to the workpiece is proposed in this regard. However, the proposed six DOF machining bed should be energy efficient to avoid an increase in machining cost. The benefit of using the proposed configuration is a reduction in dimensional error and computational time which, as a result, reduces the energy utilization, vibrations, and machining time in practice. This paper presents kinematics, dynamics and energy efficiency models, and the development of the proposed configuration of the machining bed. The energy efficiency model is derived from the dynamics model. The models are verified in simulation and experimentally. To minimize error and computation time, a PID controller is also designed and tested in simulation as well as experimentally. The resulting energy efficiency is also analyzed. The results verify the efficacy of the proposed configuration of the machining bed, minimizing position error to 2% and reducing computation time by 27%, hence reducing the energy consumption and enhancing the energy efficiency by 60%.

Keywords: energy efficiency; energy consumption; parallel manipulator; machining bed; inverse kinematics; computation time; error; control; sustainable development (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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