نتایج جستجو برای: pressure control system

تعداد نتایج: 3557487  

2007
James Brien

In this case, the blood-pressure regulation system of a mammal was considered. In general, blood pressure is considered the amount of outward force exerted on the arterial walls. This is determined by cardiac output, which is the heart rate multiplied by the stroke volume of the heart. Blood pressure is thus inversely proportional to the radius of the arteries, which is controlled by the sympat...

2008
Kwok Sau Fa

We analyze the motion of a pressure control system described by a differential equation with nonlocal dissipative force. This system is composed by an oscillator, a membrane and a constant force. We consider the dissipative memory kernel consisting of two terms. One of them is described by the Dirac delta function which represents a local friction, whereas for the second one we consider two typ...

Journal: :مهندسی بیوسیستم ایران 0
رامین جعفری استادیار گروه مکانیک ماشین های کشاورزی دانشگاه شیراز مهدی باقری دانشجوی سابق کارشناسی ارشد دانشگاه شیراز

distribution of water vapor in the atmosphere of the room poultry houses is usually an effective and economical solution to reduce heat stress of the chickens. experimental studies were conducted in a small saloon located in the farm machinery department of shiraz university. the rotary cup fogging system consisted of a cup which was derived by dc motor. rotational speed of the cup caused the w...

Journal: :international journal of smart electrical engineering 2014
heidar ali shayanfar sajad malek

this paper presents a cooperative control which is applied to the secondary control of a microgrid controlled via a multi-agent scheme. balancing power that leads to voltage and frequency stability in a microgrid is essential. the voltage and frequency regulations are limiting within the specified limits and conveying them to their nominal values. limiting and conveying the voltage and frequenc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده فنی و مهندسی 1387

abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...

1998
Denise Williams

Semiconductor pressure transducers offer an economical means of achieving high reliability and performance in pressure sensing applications. The completely integrated MPX5100 (0–15 PSI) series pressure transducer provides a temperature–compensated and calibrated, high–level linear output that is suitable for interfacing directly with many linear control systems. The circuit described herein ill...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1995

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