Create mathematical model to determine the Nitrogen Oxides released from the combustion products In Internal Combustion Engines

The research focused on the conclusion of a mathematical model to determine the proportion of nitrogen oxides emitted from the internal combustion engine based on the equations of chemical interaction of direct and reverse the conventional fuel with the use of many of the correction coefficients, as well as the possibility of developing this model. Search to find out the concentration of nitrogen oxides NO changes resulting from the combustion of fuel in internal combustion engines that run on diesel fuel and gasoline adopted, during work time, and then transform this relationship to calculate the ratio of the concentrations according to the angle of rotation of the engine crankshaft.

Study the Performance of Image Descriptor for Building Panoramic Image

In this paper an evaluation of image keypoints detectors and descriptors is presented when used for building panoramic image. The descriptors: (SIFT, SURF, BRIEF, ORB, BRISK, and FREAK) were discussed, when used with the appropriate keypoints detectors on database taken indoors by RGB-D camera. Crosscheck and RANSAC (RANdom Sample Consensus) algorithms were used to find transform matrix between images. The speed of keypoints detectors and descriptors, the matching speed, the average of extracted keypoints, recall and precision were investigated. Oxford dataset was used to find the best descriptor for dealing with rotation and illumination changes that might occur due to changes in illumination angle. The obtained results showed that SIFT was the keypoint descriptor with the highest performance in non-real time applications. The SURF/BRISK was the best detector/descriptor which can be used in real time applications with comparable SIFT's results.

Design of Optimal Quadratic Controller to Give Enable the Flying Robot to Trace Specific Trajectory

In our research, we propose technique to become LQR controller able to drive (Micro Aerial Vehicle by Change Center of Gravity(MAV COG)) robot on a specific trajectory. We add a matrix to adjust the trajectory that we want to trace it. We use Matlab program to execute our controller.

Integrated Navigation Using IMU/GPS/Vision

This research aims to study and design an integrated navigation system. The designed system depends on fusing data from IMU, GPS and Vision systems. The work pocedure depends on calculating the navigation solution from each system alone; i.e from the inertial sensors and from the cameras, then integrate them to maintain continuity in correcting the navigation solution and the inertial sensors errors.

Algorithm designing for Features Extraction from CAD Files for Industrial Processes

In this paper, the algorithm was designed for cylinders, slots and pockets extraction from CAD models saved in STL file depending on rule-based method and graph-based method. Besides, windows application was designed using Visual Studio C# which allows the user to import CAD model and features extraction and view their geometric information (cylinder diameter, height, cylinder center coordinates, width, height, length for slots and pockets. In addition, all surfaces that the feature consists from. The proposed algorithm consists from multi-steps are: dividing input model into multi surfaces based on RegionGrowing method, next step is cylinder features extraction depending on rule-based method, slots and bockets extraction depending on graph-based method, calculating geometric information for each extracted feature. The results show that the proposed algorithm can extract cylinders, slots and pockets features from CAD models which saved in STL files and calculates geometric information for each extracted feature.

Studying the engineering and physical properties of seeds for some crops and their effect on the properties of feeders in seeders

A proper matching of agricultural machinery with properties of materials forms the essential requirements which lead to best performance of machine. To achieve that goal, availability of data and precision analysis on engineering and physical properties of these materials is required. This forms important and necessary data base for the design, development and structure of agricultural machinery and equipments, control and analysis of machines and determination of efficiency of machines. This research was carried out to study some engineering and physical properties of seeds of common Syrian crops to be used in the design and development of some agricultural machinery and equipments. Results provided the shapes and dimensions of cells of feeding devices for planting seeds of some crops namely, wheat, maize, lentil, pea, chick-pea, kidney bean, broad bean and cotton. In addition a set of empirical equations were established to be used to predict, with reasonable accuracy, the physical properties of crops seeds based on measurement of any of three dimensions (length, width and thickness).

The method of determining the critical case expressing the possibility and validity of the continuation of the Internal combustion engines operating under normal conditions

The research focuses on finding planning methods based on measuring and monitoring the basic indicators of internal combustion engines (Diesel engines) in order to determine the critical case of the engines, which determines the expected time for the engine or for some of its basic parts to be sent for comprehensive maintenance. The wear ratio of one of the basic components of the engine was also determined, we also chose the diameter of the cylinder and the corrosion that happens to it in order to determine the engine's lifetime and determine the moment when the engine should be sent for comprehensive maintenance. By observing a large number of engines put in repair in the industrial area in Lattakia, which are 30 engines of different types of diesel and gasoline, and with different capacities, it was noticed that about 15% of these engines were not exploited and invested the entire work period designed for them. Also it was noticed that 20% of them have stopped working because of the severe corrosion of parts, components and mechanics of these engines, which led to their damage and their inability to do their work on a regular basis. This has contributed to increased consumption of fuel and Lubricating materials, which causes damage to the national economy. The proposed planning method for determining the critical case of the engine when comparing the schematic results with the practical results of the engines has proved its efficiency and accuracy with an error rate of no more than 6% This allows it to be applied and adopted as an effective way to determine the actual lifetime of the engine and compare it with the life time of investing the engine mentioned in the manufacturer's catalogs when operating the engine under normal conditions.

Evaluation of the Performance of the Locally Chisel Plough in its Effect on the Physical Properties of Heavy Clay Soil and Determining the Time Period for the Disappearance of These Effects

The chisel plough is the most important soil preparation machinery for planting and its direct effect on the physical properties of the soil is reflected in the cultivated yield. The purpose of this research is to evaluate the performance of the local chisel plough through its positive effects on the physical properties of soil so as to tillage heavy clay soil, the most difficult types of soils, and then determine the time period for the disappearance of these effects and the return of the soil as it was prior to tillage and planting in terms of these physical properties. When planting the wheat crop under Syrian conditions. The actual field capacity of the plough was (1.01 hec/h) and field efficiency (79.53%), and consumed fuel (13.97 l/h). There was a positive change in the physical properties of the soil due to the use of the chisel plough and two perpendicular faces, where the bulk density of the soil decreased (23.8%) and moisture content from (30.85%) to (28.33%). While increasing the total soil porosity (13.26%) and air porosity (56.76% ) and void ratio (45.71%). It was found that the positive effects of the chisel disappear during one agricultural season. The process of tillage cannot be dispensed with the tillage to cultivate the wheat crop under the Syrian conditions (the Algab area). It must be done the traditional tillage (two faces), Where it was found that the soil return to its status before tillage and planting after (180) days, before the end of the planting season and before harvesting the wheat crop by about a month. It was found that some of the physical properties of the soil contributed to determining the time period for the return of the soil properties as they were prior to tillage. These include the bulk density of the soil, the total porosity of the soil and the void ratio that are directly affected by tillage. Some of the physical properties did not contribute to determining the time period for the return of soil properties as they were prior to tillage. They include both soil moisture content and air porosity, which are affected by tillage, but are more affected by climatic conditions such as temperature and rainfall.

Analytical Study of the factors affecting the Location-Based Services

location-based service applications have become increasingly popular in recent years as the increased use of these services has prompted researchers to pay attention to many factors affecting quality of service, such as accuracy, availability, responsiveness, and power consumption. In this paper an analytical study of these factors was presented and a series of adaptive solutions were introduced that significantly reduce energy consumption, thus increasing the efficiency of location-based service applications.