نتایج جستجو برای: slip ratio
تعداد نتایج: 519312 فیلتر نتایج به سال:
The objective of this paper was to explore the bond-slip relationship between carbon fiber-reinforced polymer (CFRP) sheets and concrete under cyclic loading through experimental and analytical approaches. Modified beam tests were performed in order to gain insight into the bond-slip relationship under static and cyclic loading. The test variables are the CFRP-to-concrete width ratio, and the b...
رباتهای دوپا بیش از سه دهه موضوع تحقیق پژوهشگران بوده است، اما هنوز طراحی مکانیزم و کنترل ربات دوپایی که بتواند راه رفتن و دویدن بهینه و سریع مشابه موجودات زنده انجام دهد، یک مساله تحقیقاتی باز است. کارآیی مدل آونگ وارون فنری (slip) در توصیف دینامیک دویدن موجودات زنده نشان داده شده است و در سالهای اخیر تلاش هایی برای کنترل ربات های دوپای واقعی بر مبنای دینامیک slip صورت گرفته است. محققان نشان د...
1,2,3 B.E. Scholar BVCOE&RI Nashik(India) ABSTARCT Antiknock braking systems are used in modern cars to prevent the wheels from locking after brakes are applied. The dynamics of the controller needed for antiknock braking system depends on various factors. The vehicle model often is in nonlinear form. Controller demand to provide a controlled torque necessary to maintain optimum value of the wh...
Slip ratio control of a ground vehicle is an important concern for the development of antilock braking system (ABS) to avoid skidding when there is a transition of road surfaces. In the past, the slip ratio models of such vehicles were derived to implement ABS. It is found that the dynamics of the hybrid electric vehicle (HEV) is nonlinear, time varying and uncertain as the tire-road dynamics i...
PURPOSE To assess whether noncontrast-enhanced steady-state free precession (SSFP) magnetic resonance imaging (MRI) with time-spatial labeling inversion pulse (Time-SLIP) can improve the visibility of corticomedullary differentiation of the normal kidney. MATERIALS AND METHODS A series of noncontrast-enhanced SSFP MRI with Time-SLIP were performed in 20 patients by using various inversion tim...
This paper presents a slip suppression controller using sliding mode control method for electric vehicles which aims to improve the control performance and the energy conservation by controlling the slip ratio of wheel. In this method, a robust sliding mode controller against the model uncertainties is designed to obtain the maximum driving force by suppressing the slip ratio. The numerical sim...
This paper investigates slip-based traction control of a planetary rover that travels over natural rough terrain. Special attention is made on tire-soil traction mechanics and articulated body dynamics. Experiments are carried out with a rover test bed to understand the physical behavior of tire-soil interaction and, thereby, a traction model is investigated using the tire slip ratio as a state...
Establishing an automatically controlled system to obtain a maximum productivity of a bulldozer running on a weak terrain, the total traffic performance of a tracked vehicle could be clarified by use of a microcomputer in robotics from initial informations of terrain material and vehicle dimensions, Here, an useful estimation method of terrain properties : cohesion, angle of internal friction, ...
Microscale fluid dynamics has received intensive interest due to the emergence of microelectromechanical systems technology. When the mean free path of the gas is comparable to the channel’s characteristic dimension, the continuum assumption is no longer valid and velocity slip and temperature jump may occur at the duct walls. Slip flow heat transfer in annular microchannels has been examined. ...
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