نتایج جستجو برای: roll stability

تعداد نتایج: 312752  

2017
Andres Riofrio Susana Sanz María Jesús López Boada Beatriz L. Boada

In this article, a Linear Quadratic Regulator (LQR) lateral stability and rollover controller has been developed including as the main novelty taking into account the road bank angle and using exclusively active suspension for both lateral stability and rollover control. The main problem regarding the road bank is that it cannot be measured by means of on-board sensors. The solution proposed in...

2016
John M. Stormonth-Darling

Amongst the ever-growing toolbox of microand nanofabrication techniques, polymer replication-based processes continue to attract attention due to the conceptual simplicity, reproducibility, and great variety of often cheap materials that can be used. Cost and time saving advantages are further provided by high throughput replication techniques such as roll-to-roll nanoimprint lithography [ 1 ]

2012
Ute Zschieschang Ulrike Kraft Reinhold Rödel Mirsada Sejfic Hagen Klauk

Organic thin-film transistors (TFTs) are of interest for a variety of large-area electronics applications, such as flexible active-matrix displays and conformable sensor arrays [1]. Among the challenges in the development of high-performance organic TFTs, especially on flexible polymeric substrates, is to realize organic TFTs that simultaneously provide a large field-effect mobility, a large on...

2014
Hyunkyoo Kang Janghoon Park Keehyun Shin

Roll-to-roll (R2R) slot-die coating systems are mostly devoted to the mass manufacture of printed electronics. This study examined the correlation among the operating conditions, thickness, and width of the patterned strip fabricated by the R2R slot-die system. A full factorial experiment was conducted to screen for effective parameters. The velocity of a moving substrate was found to be the mo...

2012
Matthias Burgard Norbert Schläfli Uwe Mai

The following approach of a fluidic based self-assembly process uses the surface forces for a precise handling and positioning of small devices for a roll-to-roll manufacturing. The surface, on which the device should be positioned, will be functionalized with hydrophile and hydrophobic areas. Thus water droplets can be caught on the hydrophile areas. The devices to be positioned will be placed...

2006
J. P. Pascal

In this paper we investigate the generation and structure of roll waves flows down a porous inclined plane and subjected to an applied surface shear stress. The unsteady equations of motion for the fluid layer are depth integrated according to the von Kármán momentum integral method accounting for the variation of the velocity distribution with depth. The slip boundary condition at the interfac...

2018
Jonatan Pajares Redondo Lisardo Prieto-González Javier García Guzmán Beatriz L. Boada Vicente Díaz

Nowadays, the current vehicles are incorporating control systems in order to improve their stability and handling. These control systems need to know the vehicle dynamics through the variables (lateral acceleration, roll rate, roll angle, sideslip angle, etc.) that are obtained or estimated from sensors. For this goal, it is necessary to mount on vehicles not only low-cost sensors, but also low...

Journal: :Investigative ophthalmology & visual science 1997
Y Suzuki M Kase H Kato K Fukushima

PURPOSE To investigate whether habituation occurs in ocular counterrolling (OCR), how stable shifted Listing's plane is, and what effects visual stimulation and alertness exert on the OCR and on Listing's plane. METHODS Two monkeys (Macaca fuscata) were engaged in this experiment. A dual scleral search coil method was used for recording three-dimensional eye movements. Spontaneous eye movemen...

2009
Hideki Shirakawa

Technologies based on organic semiconductors may answer the increasing demands that consumers make in the areas of large-area electronics, lightweight displays, and portable computing. Advances in scientific understanding, technology, and device performance have occurred particularly rapidly in the area of polymer light-emitting diodes (LEDs). Material properties and economic considerations sug...

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