The aim for this paper is a proportional and integral (PI) controller and fuzzy logic type-2 (FLCT2) controller devoted to improve the performance of Indirect field orient control (IFOC) strategy of induction motor with broken bars. In addition, the paper describes a model of induction motor in d-q reference frame theory and its computer simulation in MATLAB/SIMULINK®, fed by Pulse Width Modulation (PWM) inverter to be studied. The performance of the Indirect Field orientated control with a PI and FLCT2 is tested under different speed command and load disturbances. And also show a better robustness beside the parametric variations of the motor. Type 2 fuzzy logic systems have recently been utilized in many control processes due to their ability to model uncertainty, so we are concerned with the use of a new fuzzy logic type-2 controller to improve the performance of conventional PI controller.

Keywords: Induction motor, fuzzy logic type-2, Indirect field orient control, Robustness, Rotor fault.

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Filament winding and freeze gelation technique are combined in this work to manufacture all-oxide ceramic matrix composites with different matrices.Alumina and mullite are used in combination with a silica sol to manufacture two ceramic suspensions. Fiber infiltration and lay-up is conducted with NextelTM 610 fiber with 3000 denier(organic sized)using the filament winding process. After lay-up the composite is submitted to subzero temperatures forcing the consolidation of the ceramic matrix. The combination of these processing routes is successfully implemented to build up cost-efficient composites.Homogeneous impregnation of the fiber with both ceramic suspensions is achieved. Use of different ceramic fillers influenced, however,porosity formation in the material and consequently its mechanical performance. Interlaminar shear and bending strength of composites with mullite filler are lower than the strength of composites using alumina as filler.

Keywords: Composites, Al2O3, Mullite, Sol–gel processes

[1]. Brinker, C.J; Scherer, G.W (1990): Sol-Gel Science. In The physics and Chemistry of Sol-Gel Processing. United States of America: Academic Press.

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[4]. Cox, B.N; Zok, F. W. (1996): Advances in ceramic composites reinforced by continuous fibers. In Ceramics, composites and intergrowths, pp. 666–672.

[5]. Deville, S. (2008): Freeze-Casting of Porous Ceramics: A Review of Current Achievements and Issues. In Adv. Eng. Mater 10 (3), pp. 155–169.

A spiral wound thin film composite reverse osmosis membrane was tested for its efficiency for the removal of certain water contaminants and its efficiency in terms of permeate generation. The experiment was performed using solutions of known concentrations of the contaminants at two trans membrane pressure differences. The synthetic solution concentrations used exceeded the permissible limits i.e., 100ppm of nitrate, 10ppm of fluoride, 1000ppm of chloride, 30ppm of iron, 25ppm of chromium, 5ppm of cadmium, and 25ppm of copper. The efficiency of membrane towards the removal of different contaminant from the feed solutions ranged from 88.8 to 99.8%. The contaminant concentrations in permeate were well below the standard limits for drinking water. The efficiency of permeate generation was low. However the efficiency of permeate generation increased at higher trans membrane pressure difference with no decline in removal efficiency of the contaminants, rather it improved. The type of the contaminants did not have a significant difference on the permeate recovery.

Keywords: Reverse osmosis, percentage removal, percentage recovery, fluoride, nitrate, cupper, iron, chloride, cadmium.

[1]. Alijendeel, H. A., 2011. Removal of heavy metals using reverse osmosis. Journal of engineering, 17(3):647-658.
[2]. Agency for Toxic Substances and Diseases Registry (ASTDR), 2000. Environmental Health and Medicine Education Chromium Toxicity.
[3]. Barakat, M.A., 2011. New trend in removing heavy metals from industrial wastewater. Arabian Journal of Chemistry, 4:361-377.
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[5]. Brender, J.D., Weyer, P.J., Romitti, P.A., Mohanty, B.P., Shinde, M.U., Vuong, A.M., Sharkey, J.R., Dwivedi, D., Horel, S.A., Kantamneni, J., Huber, J.C., Zheng, L., Confield, M.A., 2013. Prenatal Nitrate Intake from Drinking water and Selected Birth Defects in offspring of Participants in the National Birth Defects Prevention Study. Environmental Health perspective, 212(9):1083-1089.

The effect of rotation modulation is analysed in Oldroyd-B liquids subjected to double diffusive convection. Both linear and non-linear analysis has been done. A regular perturbation technique has been employed to arrive at the thermal Rayleigh number. The results show that stress relaxation destabilises the system whereas strain retardation parameter and Lewis number stabilises the system. Truncated Fourier series expansion gives a system of Lorentz equations which helps in performing the non-linear analysis. Mean Nusselt and Sherwood numbers are used to quantify the heat and mass transfer respectively. It is observed that Lewis number and strain retardation parameter decreases heat and mass transfer and stress relaxation parameter increases them. It is seen that modulation gives rise to sub-critical motion.

Keywords: Double diffusive convection, Oldroyd-B liquids, Rayleigh-Bénard convection, Rotation modulation.

[1]. Charles M. Vest, Vedat S. Arpaci, Stability of natural convection in a vertical slot, J.Fluid Mech., 36, 1969, 1-15.
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The Indian cost-cutting measure has experienced unprecedented economic growth over the last decade. Today, India is the ninth largest economy in the world, driven by a real GDP growth of 8.7% in the last 5 years (7.5% over the last 10 years). In 2010 itself, the real GDP growth of India was the 5th highest in the world. In foundries energy accounting is necessary to determine where and how energy is being consumed and how efficient is the energy management system. There are many opportunities for improving energy efficiency in most foundries. Some of these, such as optimizing the efficiency of ancillary services can be achieved at minimal cost and make a valuable improvement to the bottom line. Reports from many foundries suggest that energy efficiency is one of the most significant cleaner production options still to be addressed in the industries. The paper outlines the improvement in energy and environmental performance possible through adoption of energy management techniques.

Keywords: Energy Management Techniques, optimizing energy, Environment.

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Cashew is an agricultural product that plays an essential role in the developments of the economy of Viet Nam, since foreign revenue from cashew products is ranked as one of the top agricultural exporting commodities. By implementing the vision system of machines in food processing, the quality and price of cashew will be improved. Using image processing technology in sorting process, products obtain high accuracy and performance. For that purpose, the machine is equipped with CCD cameras and high-velocity pneumatic separation system. This study is going to present effect of cashew kernel traveling in color sorting machine by identifying velocity of conveyor and airflow, and the height between conveyor belt and air nozzle. The simulation is used to predict the motion of cashew in sorting zone of the machine.

Keywords: Sorting machine, Pneumatic separation, High pressure airflow.

[1]. Lee, W. S., Slaughter, D. C. & Giles, D. K., Robotic weed control system for tomatoes, Precision Agriculture, 1, 1999, 95–113.
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The mitogen-activated protein kinases (MAPKs) pathways are activated by diverse extracellular and intracellular stimuli including peptide growth factors, cytokines, hormones, and various cellular stressors such as oxidative stress and endoplasmic reticulum stress .It is extensively verified that continued oxidative stress and oxidative damage may lead to chronic inflammation, which in turn can mediate most chronic diseases including cancer, Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS) ,diabetes, cardiovascular, neurological, inflammatory bowel disease and pulmonary diseases. Current study was totally based on the screening of phytochemicals to find out the MAPKs receptor having strong binding affinity. Present study exhibited that two molecules coded cordia-1(4 5)-1formy 1-4-dihydroxy-3oxo................

Keywords: ligands, molecular docking, active site, binding affinity, pathological disorder.

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Total 35 algal species belonging to 15 genera, 11 familes, 5 orders, 5 classes and 3 phylum Cyanophycota, Chlorophycota and Bacillariophycota. They were collected from freshwater of some areas (GCU and Nasir Bagh) of Lahore city during October 2017 to March 2018. All were taxonomically investigated upto specie level. Following species were identified: Aphanothece endophytica G.M. Smith, Aphanothece nidulans P. Richter Chroococcus limenticus var. distans G.M. Smith, Chroococcus minor (Kützing) Lemmermann, Chroococcus tenax (Kirchner) Hieronymus, Chroococcusturgidus (Kützing) Nägeli, Chroococus varius A. Braun, Anabaena affinis Lemmermann, Oscillatoria amoena (Kützing) Gomont, Oscillatoria amphibia C. Agardh ex Gomont, Oscillatoria angustissimaOscillatoria formosa Broy ex Gomont, Oscillatoria prolifica (Grev.) Gomont, Oscillatoria subbrevis Schmidle, Oscillatoria tenuis C. Agardh ex Gomont, Oscillatoria terebriformis C. Agardh............

Keywords: ...................

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hypothetical investigation of single stage micro channel warm exchanger has been done. The computational fluid dynamics (CFD) display conditions are fathomed to foresee the hydrodynamic and warm conduct of the exchanger. The geometry of the issue and cross section of it have been made in ANSYS Workbench. The models have been settled by ANSYS Fluent 12.0 solver. DI water, Methanol, Nano are use as the working fluid and flow through micro-channels with different hydraulic diameters ranging from 57−267 μm in the experiments we examined the experimental results of flow characteristics & check behavior of the laminar regime when Re = 50−850. Literature shows that the micro-channels and micro-channels heat sinks were studied extensively, but there is limited research related to the performance study of micro-channel...........

Keywords: Microchannels, heat exchangers, nanoparticles, nanofluids, Fluent, CFD, heat transfer coefficient, pressure drop, friction factor

[1]. Mark E. Steinke, Satish G. Kandlikar, Single-Phase Liquid Heat Transfer In Plain And Enhanced Microchannels, Proceedings of ICNMM2006 Fourth International Conference on Nanochannels, Microchannels and Minichannels June 19-21, 2006, Limerick, Ireland.
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[5]. H.Y. Wu, P. Cheng, An experimental study of convective heat transfer in silicon microchannels with different surface conditions, International Journal of Heat and Mass Transfer 46 (2003) 2547–2556.