110. Design and development of two degree of freedom model with PID controller for turning operation
P. Suresh Prabhu1, R. Prathipa2, B. Shanmugasundaram3
1, 3Karpagam University, Coimbatore – 21, India
2Sree Sakthi Engineering College, Coimbatore, India
E-mail: email@example.com, firstname.lastname@example.org, email@example.com
Received 23 December 2015; received in revised form 25 February 2016; accepted 23 December 2016
Abstract. The objective is to develop a two degree of freedom model with PID controller for turning process to reduce regenerative chatter with the aim of improving productivity, quality of surface finish, tool life and reducing environmental noise caused by chatter. A system model consists of a workpiece subsystem and a cutting tool subsystem. The workpiece subsystem consists of mass, stiffness and damper. The cutting tool subsystem consists of mass, stiffness and damper. A Piezo actuator and sensor was embedded into the tool holder. A Mechatronic system has been proposed and developed for reducing tool vibration in lathe tool during machining. It consists of electrical and mechanical components; the controller is designed to control the chatter that occurs between the tool and the workpiece. The controller is used to send a feedback to the actuator. The controller is designed so that it suppresses the settling time and dampens the tool. The effective cutting stiffness and effective cutting damping are modeled as a spring and damper during machining. The original response of the system is modeled using transfer function method. Their output responses were obtained using Mat lab software.
Keywords: self-excited vibration, PID controller, dynamic cutting process, transfer function, step response.
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Cite this article
Suresh Prabhu P., Prathipa R., Shanmugasundaram B. Design and development of two degree of freedom model with PID controller for turning operation. Journal of Measurements in Engineering, Vol. 4, Issue 4, 2016, p. 224‑231.
Journal of Measurements in Engineering. December 2016, Volume 4, Issue 4
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