نتایج جستجو برای: training feedback error fel

تعداد نتایج: 689476  

2013
H. Ohgaki H. Zen Y. W. Choi M. Omer M. Shibata K. Shimahashi K. Yoshida

The feedback system has been developed in KU-FEL linac to stabilize the FEL power fluctuation. The system consists of six 4-button type BPMs and the signal processing system. As the first step, the beam displacement information at the RF-gun section was used for the feedback control to stabilize the electron energy and the vertical beam position at the RF-gun section. As the result the FEL powe...

Journal: :IEEE transactions on rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society 2000
V D Kalanovic D Popovic N T Skaug

Feedback-error learning (FEL) neural network was developed for control of a powered trans-femoral prosthesis. Nonlinearities and time-variations of the dynamics of the plant, in addition to redundancy and dynamic uncertainty during the double support phase of walking, makes conventional control methods very difficult to use. Rule-based control, which uses a knowledge base determined by machine ...

2012
Reza Zare Bidaki Mojtaba Malboubi Mohsen Jahanshahi Reza Asadi Asad Abad

In this paper a novel Laguerre based controller is proposed to control the velocity of an electro hydraulic servo system (EHSS). The proposed Laguerre based controller is a kind of IIR structure which has the benefits of both FIR and IIR structures and can solve their limitations in stability and compelexity. The controller can control the velocity of EHSS appropriately and consumes small compu...

2011
N. Z. Azlan

The experimental study of position control of a light weight and small size robotic finger during non-contact motion is presented in this paper. The finger possesses fingertip pinching and self adaptive grasping capabilities, and is made of a seven bar linkage mechanism with a slider in the middle phalanx. The control system is tested under the Proportional Integral Derivative (PID) control alg...

Journal: :journal of studies in learning and teaching english 0
elaheh khorshidi shiraz azad university ehsan rassaei shiraz azad university

this study aimed at investigating the effect of learners’ gender on their preferences for corrective feedback. learners’ prefer- ences which were investigated included the necessity, frequency, timing, type, method, and delivering agent of error treatment. to this end, a questionnaire was administered to a random sample of 100 participants (50 males and 50 females) studying english (efl) at shi...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...

Journal: :Proceedings of the ... AAAI Conference on Artificial Intelligence 2021

Although the distributed machine learning methods can speed up training of large deep neural networks, communication cost has become non-negligible bottleneck to constrain performance. To address this challenge, gradient compression based communication-efficient were designed reduce cost, and more recently local error feedback was incorporated compensate for corresponding performance loss. Howe...

1998
YASUO KUNIYOSHI

This paper discusses the emergence of sensorimotor coordination for ESCHeR, a 4DOF redundant foveated robot-head, by interaction with its environment. A feedback-error-learning(FEL)-based distributed control provides the system with explorative abilities with re-exes constraining the learning space. A Kohonen network, trained at run-time, categorizes the sensorimotor patterns obtained over ESCH...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
حسن محمدزاده جهتلو دانشگاه ارومیه.دانشیار تربیت بدنی ماندانا حیدری کارشناس ارشد دانشگاه پیام نور

the aim of this study was to determine the probable relationship of failure and success with self-efficacy expectations in learning shooting skill. the subjects were 63 physical education students of urmia university who were assigned to two experimental and one control group. the subjects received training in air-rifle shooting for one day and practiced it for three days. at the end of each pr...

2017
Jean-Michel André Karine Le Guen Philippe Jonnard

We discuss the feasibility of a soft-x-ray distributed feedback laser (DFL) pumped by an xray free electron laser (X-FEL). The DFL under consideration is a Mg/SiC bi-layered Bragg reflector pumped by a single X-FEL bunch at 57.4 eV, stimulating the Mg L2,3 emission at 49 eV corresponding to the 3s-3d -> 2p1/2,3/2 transition. Based on a model developed by Yariv and Yeh and an extended coupled-wa...

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