نتایج جستجو برای: anti skid

تعداد نتایج: 363473  

Journal: :Actuators 2021

The aircraft anti-skid braking system (AABS) is an essential aero electromechanical to ensure safe take-off, landing, and taxiing of aircraft. In addition the strong nonlinearity, coupling, time-varying parameters in dynamics, faults actuators, sensors, other components can also seriously affect safety reliability AABS. this paper, a reconfiguration controller-based adaptive fuzzy active-distur...

2003
D. Pazderski K. Kozlowski W. E. Dixon

Differentially driven skid-steering vehicles are often considered for navigation in outdoor terrains. However, the control of such vehicles is challenging because the wheels must skid laterally to follow a curved path, and motion stability can be lost as a result of excess skidding due to the position of the instantaneous center of rotation (ICR). To accommodate for the potential loss of stabil...

Journal: :CoRR 2015
Dmytro Klets

In the paper, a mathematical model assembling a "driver-mobile vehicle-road environment" system and capable of simulating the process of mobile vehicles skid in traction movement mode is proposed. The usage of non-linear drift models allows the development of efficient algorithms for mobile vehicles dynamic stabilization systems. INTRODUCTION The traction loss between the vehicle and the road a...

2015
Larry Baxter

The Cryogenic Carbon CaptureTM (CCC) process is a retrofit, post-combustion technology that desublimates CO2 in the flue gas, separates the resulting solid from the remaining light gases, pressurizes the solid CO2, melts the CO2 and warms the light gas, and completes the CO2 pressurization with liquid CO2. This skid-scale CCC system has demonstrated successful carbon capture of 90–99% from simu...

2012

In this paper motion analysis on a winding stair-climbing is investigated using our proposed rotational arm type of robotic wheelchair. For now, the robotic wheelchair is operated in an open mode to climb winding stairs by a dynamic turning, therefore, the dynamics model is required to ensure a passenger’s safety. Equations of motion based on the skid-steering analysis are developed for the tra...

2011
Nick Rutar Jeffrey K. Hollingsworth

Data centric analysis using direct measurements has been established as a successful performance analysis technique. The information gathered with this technique can be used to address data locality problems and other issues. Existing approaches rely on special hardware support which is needed to negate a ‘skid’ factor. Our approach is viable on hardware where the skid factor is an issue. Prior...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم پایه 1388

تغییر در ساختار پروتئین های بدن منجر به تولید آنتی بادی علیه آنها می شود. احتمالا ایجاد پلی مرفیسم در ژن پراکسیداز تیروئیدی (tpo) و تغییر ساختار آن باعث تولید آنتی بادی ضد پراکسیداز تیروئیدی می شود. اختلال درآنزیمtpo می تواند یکی از دلایل اصلی بروز بیماری کم کاری تیروئید باشد که شیوع و گسترش این بیماری، ما را بر آن داشت که در این مطالعه به بررسی ارتباط پلی مرفیسم a1936/g اگزون11و t2229/c اگزون1...

Journal: :JOURNAL OF PAVEMENT ENGINEERING, JSCE 1996

پایان نامه :دانشگاه آزاد اسلامی واحد علوم پزشکی تهران - دانشکده پزشکی 1390

مقدمه : سقط شایع ترین عارضه بارداری بوده و در ? 15 حاملگی ها رخ می دهد . اختلالات ایمنولوژیک یکی از علل شایع سقط می باشد که خود شامل فاکتورهای آلوایمیون و اتوایمیون می باشد . با توجه به نقش آنتی بادی ها ضد تیروئیدی از جمله anti-tpo به عنوان یک فاکتور اتوایمیون در ایجاد سقط های خودبه خودی ومکرر ، در این مطالعه به بررسی ارتباط بین این دو می پردازیم . اهداف : هدف کلی : بررسی ارتباط بین سطح anti-...

2013
Lauren M. Miller Todd D. Murphey

An optimization-based estimation method is presented for determining mode transition times and model parameters for hybrid systems. Firstand second-order optimality conditions are derived, including cross-derivative terms between transition times and parameters. Second-order optimization methods are shown to provide superior convergence to correct values in simulation, and to values within expe...

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