M. Vamsi Krishna ¹, M. Anthony Xavior ²

Affiliations
1 Department of Mechanical Engineering, M.I.T.S., Madanapalle - 517325, Andhra Pradesh, IN
2 School of Mechanical and Building Sciences, VIT University, Vellore - 632014, Tamil Nadu, IN

Abstract

The centre of research is to optimize the cutting Forces (F_R), surface Roughness (Ra) and Material Removal Rate (MRR) of end milling for Aluminium compositeusing Response Surface Methodology (RSM) and Genetic Algorithm (GA). The RSM L₃₁ empirical model is conducted with Al/SiC composites of various compositions. The cutting forces and the surface roughness are measured using 3-axis milling tool dynamometer and MarTalk Profilometer respectively. The second order mathematical models in terms of machining parameters are developed for predicting responses with adequacy above 85%. The optimal configuration of end milling are 5 wt. % of reinforcement, 0.3 mm depth of cut, feed rate of 49.3 mm/min and cutting speed of 474.3 rpm to acquire minimum FR, Ra with maximum MRR is done by Genetic Algorithm (GA). From the estimated model, the responses are with the experimental deviation of 11% MRR, 13% Ra and 17% FR for the desirability of 98.7%. The optimization of three machining parameters with a advance hybrid approach brought a new scope for the researchers and manufactures to improve the standard of automated machining.

Keywords

ANOVA, Aluminium, Composites, Milling, Optimization.

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M. Vamsi Krishna ¹, B. Loveswara Rao ¹

Affiliations
1 Electrical and Electronics Engineering, KL University, Greenfields, Guntur District, Vaddeswaram - 522502, Andhra Pradesh, IN

Abstract

Objective: The power utilized by distribution networks depends on power quality which is a function of harmonics, reactive four & power factor. The effect of harmonics was earlier reduced by passive filters. Such filters have distinct disadvantage of fixed ramp. Statistical Analysis: For overcoming this disadvantage, DISTATCOM components has been proposed. In this case, respective power consumption is cooperated and harmonic injection is minimized LCL based filter reduces DC link voltage rating required for component. Finding: The voltage profile is improved. Utilization voltage source inverter reduces the reactive power compensation. Active and reactive power are individually controlled. From the simulations results it is found that current reduction is up to 55.2% where as voltage reduction is up to 85.1%. Application: The proposed multilevel based VSI in the DSTSTCOM improves the overall performance to a remarkable extent. Optimization of the number of level can be taken up as an extension of this work.

Keywords

Distribution Static Compensator (DSTATCOM), Voltage Source Inverter (VSI), Passive Filter, Power Quality (PQ).

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