Outputs (34)

Electrochemical mechanical polishing technology: recent developments and future research and industrial needs (2016)
Journal Article
El Khalick Mohammad, A., & Wang, D. (2016). Electrochemical mechanical polishing technology: recent developments and future research and industrial needs. International Journal of Advanced Manufacturing Technology, 86, 1909-1924. https://doi.org/10.1007/s00170-015-8119-6

Electrochemical mechanical (ECM) polishing processes are widely used in various industries such as die and mould manufacturing, turbine blades, and components with complex surfaces. They are used to improve the surface quality and get glossy surfaces... Read More about Electrochemical mechanical polishing technology: recent developments and future research and industrial needs.

A novel mechatronics design of an electrochemical mechanical end-effector for robotic-based surface polishing (2015)
Presentation / Conference Contribution
El Khalick Mohammad, A., & Wang, D. (2015, December). A novel mechatronics design of an electrochemical mechanical end-effector for robotic-based surface polishing. Presented at 2015 IEEE/SICE International Symposium on System Integration, SII 2015, Nagoya, Japan

This paper presents a novel design of an end-effector and a process for automatic electrochemical mechanical polishing of conductive materials. The proposed end-effector employs three different actions, electrical, chemical and mechanical in a synerg... Read More about A novel mechatronics design of an electrochemical mechanical end-effector for robotic-based surface polishing.

Energy Saving in Five-Axis Machine Tools Using Synchronous and Contouring Control and Verification by Machining Experiment (2015)
Journal Article
Uchiyama, N., Ogawa, Y., El Khalick M., A., & Sano, S. (2015). Energy Saving in Five-Axis Machine Tools Using Synchronous and Contouring Control and Verification by Machining Experiment. IEEE Transactions on Industrial Electronics, 62(9), 5608-5618. https://doi.org/10.1109/tie.2015.2437354

This paper deals with a controller design for five-axis machine tools, which typically consist of three translational and two rotary axes. The flexibility to change the relative orientation between a tool and the workpiece in a five-axis machine tool... Read More about Energy Saving in Five-Axis Machine Tools Using Synchronous and Contouring Control and Verification by Machining Experiment.

Sliding Mode Contouring Control for Biaxial Feed Drive Systems with a Nonlinear Sliding Surface (2014)
Journal Article
El Khalick M., A., Uchiyama, N., & Sano, S. (2014). Sliding Mode Contouring Control for Biaxial Feed Drive Systems with a Nonlinear Sliding Surface. Procedia CIRP, 14, 506-510. https://doi.org/10.1016/j.procir.2014.03.071

Control input variance is one of the important criteria in machining because it affects the surface roughness, machining precisions and consumed energy. This paper presents a nonlinear controller design for biaxial feed drive systems for reducing the... Read More about Sliding Mode Contouring Control for Biaxial Feed Drive Systems with a Nonlinear Sliding Surface.

Energy Saving in Feed Drive Systems Using Sliding-Mode-Based Contouring Control With a Nonlinear Sliding Surface (2014)
Journal Article
Mohammad, A., Uchiyama, N., & Sano, S. (2015). Energy Saving in Feed Drive Systems Using Sliding-Mode-Based Contouring Control With a Nonlinear Sliding Surface. IEEE/ASME Transactions on Mechatronics, 20(2), 572-579. https://doi.org/10.1109/tmech.2013.2296698

Reduction of contour error, which is defined as the shortest distance between the actual position of the cutting tool and the reference trajectory, is an essential requirement in machining by multiaxis feed drive systems. In addition, because these m... Read More about Energy Saving in Feed Drive Systems Using Sliding-Mode-Based Contouring Control With a Nonlinear Sliding Surface.

D019 Sliding Mode Contouring Controller with A Nonlinear Sliding Surface and A Disturbance Observer for Five-Axis Machining Tasks (2013)
Presentation / Conference Contribution
Mohammad, A. E. K., Uchiyama, N., & SANO, S. (2013, November). D019 Sliding Mode Contouring Controller with A Nonlinear Sliding Surface and A Disturbance Observer for Five-Axis Machining Tasks. Presented at International Conference on Leading Edge Manufacturing in 21st century : LEM21, Matsushima, Miyagi, Japan

The five-axis CNC (computer numerical control) machines are highly flexible compared to those with three-axis and this makes them becoming popular in modern industries. In this paper, we propose a novel sliding mode contouring controller with a nonli... Read More about D019 Sliding Mode Contouring Controller with A Nonlinear Sliding Surface and A Disturbance Observer for Five-Axis Machining Tasks.

Reduction of Electrical Energy Consumed by Feed-Drive Systems Using Sliding-Mode Control With a Nonlinear Sliding Surface (2013)
Journal Article
Mohammad, A. E. K., Uchiyama, N., & Sano, S. (2014). Reduction of Electrical Energy Consumed by Feed-Drive Systems Using Sliding-Mode Control With a Nonlinear Sliding Surface. IEEE Transactions on Industrial Electronics, 61(6), 2875-2882. https://doi.org/10.1109/tie.2013.2275975

The large amount of energy consumed in machining by feed-drive systems has become an important issue in recent years because machine tools are extensively used worldwide. This paper presents a novel sliding-mode controller with a nonlinear sliding su... Read More about Reduction of Electrical Energy Consumed by Feed-Drive Systems Using Sliding-Mode Control With a Nonlinear Sliding Surface.

Energy saving control in five-axis machine tools using contouring control (2013)
Presentation / Conference Contribution
Uchiyama, N., Ogawa, Y., El Khalick M., A., Sano, S., & Yamazaki, K. (2013, July). Energy saving control in five-axis machine tools using contouring control. Presented at 2013 European Control Conference (ECC), Zurich, Switzerland

Machine tools operate around the clock in industrial applications all over the world, and hence there is a requirement not only for high-speed and high-precision operation but also for reduced energy consumption. This paper presents a novel controlle... Read More about Energy saving control in five-axis machine tools using contouring control.

Reduction of control input variance of feed drive systems using sliding-mode control with non-linear sliding surface (2013)
Presentation / Conference Contribution
El Khalick, M. A., Uchiyama, N., & Sano, S. (2013, February). Reduction of control input variance of feed drive systems using sliding-mode control with non-linear sliding surface. Presented at 2013 IEEE International Conference on Mechatronics, ICM 2013, Vicenza, Italy

Ball-screw drives have been widely used in industrial applications delivering high precision motion in work machines, such as machine tools, where both high speed and positioning accuracy are required. Most of control schemes used in industrial appli... Read More about Reduction of control input variance of feed drive systems using sliding-mode control with non-linear sliding surface.

Estimation of tool orientation contour errors for five-axismachining (2013)
Journal Article
El Khalick M, A., & Uchiyama, N. (2013). Estimation of tool orientation contour errors for five-axismachining. Robotics and Computer-Integrated Manufacturing, 29(5), 271-277. https://doi.org/10.1016/j.rcim.2013.01.002

Recently, there has been a growth of interest in high-precision machining in multi-axis feed drive systems, which are subject to problems such as friction, cutting force and incompatibility of individual driving axis dynamics. Tracking errors in an i... Read More about Estimation of tool orientation contour errors for five-axismachining.