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Search Results: 1 - 10 of 7522 matches for " Muhammad Ahsan Shahzad "
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FEDRP Based Model Implementation of Intelligent Energy Management Scheme for a Residential Community in Smart Grids Network  [PDF]
Qamar Zia, Muhammad Ali, Zulfikar Ahmad Zaidi, Chaudhry Arshad, Amjad Ullah, Hafeez ur Rahman, Muhammad Ahsan Shahzad, Beenish Taj
Smart Grid and Renewable Energy (SGRE) , 2012, DOI: 10.4236/sgre.2012.34045
Abstract: In the framework of liberalized deregulated electricity market, dynamic competitive environment exists between wholesale and retail dealers for energy supplying and management. Smart Grids topology in form of energy management has forced power supplying agencies to become globally competitive. Demand Response (DR) Programs in context with smart energy network have influenced prosumers and consumers towards it. In this paper Fair Emergency Demand Response Program (FEDRP) is integrated for managing the loads intelligently by using the platform of Smart Grids for Residential Setup. The paper also provides detailed modeling and analysis of respective demands of residential consumers in relation with economic load model for FEDRP. Due to increased customer’s partaking in this program the load on the utility is reduced and managed intelligently during emergency hours by providing fair and attractive incentives to residential clients, thus shifting peak load to off peak hours. The numerical and graphical results are matched for intelligent energy management scenario.
Growth and yield components of wheat genotypes as influenced by potassium and farm yard manure on a saline sodic soil
Muhammad Ashraf, Muhammad Afzal,Rashid Ahmad,Safdar Ali,Sher Muhammad Shahzad, Ahsan Aziz
Soil & Environment , 2011,
Abstract: The adequate supply of mineral nutrients through chemical fertilizers and manure may help to sustain the crop productivity and ensure plant survival under salinity stress. A field study was conducted on saline sodic soil (ECe = 13 dS m-1, SAR 23.3 (mmol L-1)1/2, pH = 8.6 of surface 15 cm layer) to quantify the effects of potassium (K) and farm yard manure (FYM) on two wheat genotypes differing in salinity tolerance. Three K levels (0, 80, 120 kg ha-1) and two FYM levels (0, 10 t ha-1) were tested using randomized compete block design (RCBD) with three replications. The application of K along with FYM reduced Na+ uptake and accumulation in plant tissue. The K concentration and K+/ Na+ ratio were significantly improved in both wheat genotypes with the supplementation of K and FYM. The grain yield was improved by 40-156% in salt tolerant genotype and 46-206% in salt sensitive genotype with added K and FYM. Similar trend was observed in yield components. Ameliorative effects of added K and FYM were more marked in salt sensitive genotype (Auqab-2000) than in salt tolerant (Inqlab-91). Grain yield of salt sensitive and salt tolerant wheat genotypes was positively correlated with leaf K+ concentration determined at various treatments. Addition of K along with FYM decreased sodium adsorption ratio (SAR) and electrical conductivity (EC) of soil particularly in upper layers. Therefore, it is concluded that K along with FYM could help to alleviate deleterious effects of salts and thus improve the productivity of salt affected soils.
Advancement in Wide Area Monitoring Protection and Control Using PMU’s Model in MATLAB/SIMULINK  [PDF]
Waheed Ur Rahman, Muhammad Ali, Amjad Ullah, Hafeez Ur Rahman, Majid Iqbal, Haseeb Ahmad, Adnan Zeb, Zeeshan Ali, M. Ahsan Shahzad, Beenish Taj
Smart Grid and Renewable Energy (SGRE) , 2012, DOI: 10.4236/sgre.2012.34040
Abstract: A big step forward to improve power system monitoring and performance, continued load growth without a corresponding increase in transmission resources has resulted in reduced operational margins for many power systems worldwide and has led to operation of power systems closer to their stability limits and to power exchange in new patterns. These issues, as well as the on-going worldwide trend towards deregulation of the entire industry on the one hand and the increased need for accurate and better network monitoring on the other hand, force power utilities exposed to this pressure to demand new solutions for wide area monitoring, protection and control. Wide-area monitoring, protection, and control require communicating the specific-node information to a remote station but all information should be time synchronized so that to neutralize the time difference between information. It gives a complete simultaneous snap shot of the power system. The conventional system is not able to satisfy the time-synchronized requirement of power system. Phasor Measurement Unit (PMU) is enabler of time-synchronized measurement, it communicate the synchronized local information to remote station.
Preparation and Structural Properties of ZnAlxFe2-xO4 Spinel Oxide  [PDF]
Shahzad Hossain, Goutam Dev, Mst. Sanjida Aktar, Muhammad Kamrul Hasan, A. K. M. Zakaria, Tapash Kumar Datta, Imtiaz Kamal, Sk. Md. Yunus, Md. Habibul Ahsan, Abul Kalam Azad
American Journal of Analytical Chemistry (AJAC) , 2016, DOI: 10.4236/ajac.2016.72017
Abstract: The ZnAlxFe2-xO4 (x = 0.0, 0.2 and 0.4) spinel ferrites were prepared by the conventional solid state reaction in air at 1350°C. The X-ray diffraction of all the three samples showed sharp Bragg peaks indicating the formation of a single phase spinel structure. The lattice parameters of the samples were determined from the X-ray diffraction data using the Nelson-Riley extrapolation method. The lattice parameters, cation distribution and oxygen position parameters have also been determined by refining the data by the Rietveld method. Rietveld refinement of the XRD data reveals all the samples to possess cubic symmetry corresponding to the space group Fd3m. Lattice parameters were found to decrease with increasing Al concentration, i.e. 8.4322, 8.4002, and 8.3984 Å for x = 0.0, 0.2 and 0.4, respectively.
New Modification of Fixed Point Iterative Method for Solving Nonlinear Equations  [PDF]
Muhammad Saqib, Muhammad Iqbal, Shahzad Ahmed, Shahid Ali, Tariq Ismaeel
Applied Mathematics (AM) , 2015, DOI: 10.4236/am.2015.611163
Abstract: In this paper, we have modified fixed point method and have established two new iterative methods of order two and three. We have discussed their convergence analysis and comparison with some other existing iterative methods for solving nonlinear equations.
Long term Ventilatory Support in a Patient of MND - A Case Report
Col Muhammad Ahsan
Indian Anaesthetists' Forum , 2004,
Abstract: A 45 years old male patient was diagnosed as a case of motor neuron disease. With in four years he became paralyzed and bed ridden. Due to severe respiratory tract infection, the patient developed respiratory failure and was placed on ventilator. Later on the infection was successfully treated but the patient could not be removed from the ventilator because of the paralysis of respiratory muscles. It was obvious that the patient would require life long ventilatory support so the same was arranged at the patient?s home and he was discharged from the hospital after nine months. Now, for the past six years the patient is on ventilatory support.
New Integral Inequalities through generalized convex functions
Muhammad Muddassar,Ahsan Ali
Mathematics , 2013,
Abstract: In this paper, we establish various inequalities for some mappings that are linked with the illustrious Hermite-Hadamard integral inequality for mappings whose absolute values belong to the class K?;s m;1 and K?;s m;2.
Performance of Short-Commit in Extreme Database Environment
Muhammad Tayyab Shahzad,Muhammad Rizwan
Computer Science , 2011,
Abstract: Atomic commit protocols are used where data integrity is more important than data availability. Two-Phase commit (2PC) is a standard commit protocol for commercial database management systems. To reduce certain drawbacks in 2PC protocol people have suggested different variance of this protocol. Short-Commit protocol is developed with an objective to achieve low cost transaction commitment cost with non-blocking capability. In this paper we have briefly explained short-commit protocol executing pattern. Experimental analysis and results are presented to support the claim that short-commit can work efficiently in extreme database environment.
Recent Issues Identified and Conceptualized for Simulating Business Scenarios in Multi-Version Data Warehouse
Muhammad Khurram Shahzad
International Journal of Soft Computing , 2012,
Abstract: Data Warehouse provides an opportunity to analyze businesses in order to precise decision- making, various tools has been build and used for such purpose. But due to static structure of DW it is unable to manage changes in external sources, also simulating various scenarios can increase the decision efficiency, for such purpose Multi-Version Data Warehouse is proposed which contains two types of versions called real and alternative. But due to diversity in simulations two types of alternative versions has been proposed. Also for querying these versions we are extending the functionality of Synthetic Warehouse Builder. This study presents the challenges we are facing and visualizing during the extensions.
INGESTIBLE ELECTRONICALLY CONTROLLED DRUG - CAPSULE IN THE GUT
Muhammad Shahzad Aslam
Journal of Drug Delivery and Therapeutics , 2012,
Abstract: The Ingestible Electronically Controlled Drug-delivery System consists of electronically design capsule that navigates the digestive system by assessing human pH levels, which it reads through pH sensors. When the pH sensors identify a specified pH level that indicates arrival at the destination, the e-Capsule begins dispensing medication which it can do all immediately, in a sustained released, extended release or controlled release form. When it is activated, they send messages to a detector located on the patient's body that can send e-mails or text messages to doctors or Pharmacist notifying them the effect of medication that has been taken and they altered the medication accordingly if needed. Researchers are hopeful that this technology will improve medication observance, targeted drug delivery and drug of choice.
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