نتایج جستجو برای: form focused feedback

تعداد نتایج: 993498  

Journal: :Manufacturing & Service Operations Management 2016
Tinglong Dai Soo-Haeng Cho Fuqiang Zhang

Motivated by the influenza vaccine industry, we study a supply chain contracting problem under the presence of uncertainties that are related to product design, delivery, and demand, respectively. The supply chain consists of a manufacturer and a retailer, where the retailer places an order before the flu season starts and the manufacturer decides on when to produce the products. Because produc...

2007
Laxmidhar Behera

This paper presents the design and implementation of adaptive feedback active noise control system (ANC) for head phone applications. Active Noise Control is a technique of acoustic noise reduction using a secondary source of sound which produces ”antinoise” to cancel the primary noise. In this paper, narrow band single channel feedback ANC for headsets application is focused upon. The filter w...

2015
Jérémy Danna Jean-Luc Velay

The mastering of handwriting is so essential in our society that it is important to try to find new methods for facilitating its learning and rehabilitation. The ability to control the graphic movements clearly impacts on the quality of the writing. This control allows both the programming of letter formation before movement execution and the online adjustments during execution, thanks to diver...

Fakharzadeh, Mehrnoosh, Youhanaee, Manijeh,

This study compared the effects of two types of form-focused tasks on proceduralization and transfer of linguistics knowledge in case of English modals. All participants of the study attended pretests, posttests and delayed posttests. The procedural comprehension and production knowledge were measured through the groups’ performance on a timed dual task test that resembled the context of practi...

Uncertain switched linear systems are known as an important class of control systems. Performance of these systems is affected by uncertainties and its stabilization is a main concern of recent studies. Existing work on stabilization of these systems only provides asymptotical stabilization via designing switching strategy and state-feedback controller. In this paper, a new switching strate...

2017
A Vargas-Olivares O Navarro-Hinojosa M Maqueo-Vicencio L Curiel M Alencastre-Miranda J E Chong-Quero

High-intensity focused ultrasound (HIFU) is a minimally invasive therapy modality in which ultrasound beams are concentrated at a focal region, producing a rise of temperature and selective ablation within the focal volume and leaving surrounding tissues intact. HIFU has been proposed for the safe ablation of both malignant and benign tissues and as an agent for drug delivery. Magnetic resonanc...

Journal: :Journal of the American Chemical Society 2011
Geon Dae Moon Sung-Wook Choi Xin Cai Weiyang Li Eun Chul Cho Unyong Jeong Lihong V Wang Younan Xia

This communication reports a new theranostic system with a combination of capabilities to both enhance the contrast of photoacoustic (PA) imaging and control the release of a chemical or biological effector by high-intensity focused ultrasound (HIFU). The fabrication of this system simply involves filling the hollow interiors of gold nanocages with a phase-change material (PCM) such as 1-tetrad...

In this paper a new nonlinear guidance law with finite time convergence is proposed. The second order integrated guidance and control loop is formulated considering a first order control loop dynamics. By transforming the state equations to the normal form, a finite time stabilizer feedback linearization technique is proposed to guarantee the finite time convergence of the system states to zero...

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