نتایج جستجو برای: improved system

تعداد نتایج: 2588148  

Journal: :international journal of advanced design and manufacturing technology 0
karthikeyan subramanian manager- engine product development ashokleyland- technical center- vellivoiyal chavadi (near new manali town) chennai tamil nadu, india

in the diesel engine exhaust gas recirculation (egr) components, valve and connecting pipes are the critical components and fails often during new engine development. these components are important for meeting nox emissions norms. therefore design of these components should remain robust. but the challenge in design is compact packaging of complete egr components on the engine consequently vibr...

Journal: :journal of computer and robotics 0
mojtaba kazemi faculty of electrical and computer engineering, qazvin branch, islamic azad university, qazvin, iran jalal najafi faculty of electrical and computer engineering, qazvin branch, islamic azad university, qazvin, iran mohamad bagher menhaj department of electrical engineering, amirkabir university, tehran, iran

the ball and beam system is one of the most popular laboratory setups for control education. in this paper, we design a fuzzy pd cascade controller for a ball and beam system using asexual reproduction optimization (aro) technique. the ball & beam system consists of a servo motor, a grooved beam, and a rolling ball. this system utilizes a servo motor to control ball’s position on the beam. chan...

Journal: :journal of operation and automation in power engineering 2007
h. shayeghi a. ghasemi

flexible ac transmission systems (facts) controllers with its ability to directly control the power flow can offer great opportunities in modern power system, allowing better and safer operation of transmission network. in this paper, in order to find type, size and location of facts devices in a power system a dedicated improved particle swarm optimization (dipso) algorithm is developed for de...

Journal: :the modares journal of electrical engineering 2008
ahmad reza sharafat mahdi rasti

high processing loads, need for complicated and frequent updating, and high false alarm are some of the challenges in designing anomaly detection and misuse detection systems. we propose a new network-based intrusion detection system (ids) that resolves such shortcomings. our scheme fuses anomaly detection and misuse detection systems, which has not been utilized so far in existing systems. in ...

Journal: :مهندسی برق و الکترونیک ایران 0
h. seyedarabi a. aghagolzadeh s. khanmohammadi e. kabir

face expression recognition is useful for designing new interactive devices offering the possibility of new ways for human to interact with computer systems. in this paper we develop a facial expressions analysis and synthesis system. the analysis part of the system is based on the facial features extracted from facial feature points (ffp) in frontal image sequences. selected facial feature poi...

Introduction: Lung cancer is the main cause of mortality in both genders worldwide. This disease is caused by the uncontrollable growth and development of cells in both or one of the lungs. Although the early diagnosis of this cancer is not an easy task, the earlier it is diagnosed, the higher will be the chance of treating. The objective of this study was to develop an optimized prediction mod...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده دندانپزشکی 1394

مقدمه و هدف: یکی از عوامل موفقیت در درمانهای ترمیمی، ممانعت از نفوذ و رشد میکروب در حد فاصل ماده ترمیمی و دندان (ریزنشت) می باشد. افزودن 2% وزنی نانوذرات زینک اکساید (nzno) به سمان گلس آیونومر اصلاح شده با رزین با نام تجاریgc fuji ii lc (improved) خواص ضد میکروبی آن را بدون تغییر معنی داری در خواص استحکام خمشی و مدول الاستیسیته افزایش داده است. با توجه به ضرورت بررسی اثر نانوذرات زینک اکساید بر...

Aircraft engines constitute a comp‌lex system, requiring adequate mon-itoring to ensure flight safety and timely maintenance. The best way to achieve this, is modeling the engine. Therefore, in this paper, a suitable mathematical model from engine controller design point of view, for a specific aero turbine engine is proposed by the aid of MATLAB/Simulink software. The model is capable of reduc...

Flexible AC Transmission Systems (FACTS) controllers with its ability to directly control the power flow can offer great opportunities in modern power system, allowing better and safer operation of transmission network. In this paper, in order to find type, size and location of FACTS devices in a power system a Dedicated Improved Particle Swarm Optimization (DIPSO) algorithm is developed for de...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1389

the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...

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