نتایج جستجو برای: repetitive motion

تعداد نتایج: 244995  

2005
Ulrich Nehmzow Theocharis Kyriacou Roberto Iglesias Rodriguez Steve Billings

We analyse the relationship between a mobile robot’s perception, motion and position (i.e. we address the problem of sensor-based self-localisation), by constructing transparent, linear polynomial models, using an ARMAX process which expresses the interdependency between motion, perception and location. Our models show that in sensor-based localisation there is a clear and measurable trade-off ...

Journal: :IEEE Trans. Contr. Sys. Techn. 2001
Kok Kiong Tan Huifang Dou Yangquan Chen Tong Heng Lee

In this paper, with a modest amount of modeling effort, a feedback–feedforward control structure is proposed for precision motion control of a permanent magnet linear motor (PMLM) for applications which are inherently repetitive in terms of the motion trajectories. First, a proportional integral derivative (PID) feedback controller is designed using a relay automatic tuning method. An iterative...

1994
Ramprasad Polana Randal Nelson

The recognition of repetitive movements character istic of walking people galloping horses or ying birds is a routine function of the human visual system It has been demonstrated that humans can recognize such activity solely on the basis of motion information We demonstrate a general computational method for recog nizing such movements in real image sequences using what is essentially template...

In this study, the authors reported a case of woman with severe compulsion who became pregnant during the Repetitive transcranial magnetic stimulation. We carried out Repetitive transcranial magnetic stimulation and behavior therapy simultaneously after repeated medications' refraction. The patient received 20 sessions 1 Hz Repetitive transcranial magnetic stimulation in right dorsolateral pref...

2008
Vincent Padois

Robotics has evolved from an industrial, repetitive framework to application domains with much more variability of tasks and increasing complexity in uncertain environment. This is clearly the case for Service Robotics where the safety of the interactions is also a major issue. Based on these observations, part of the research activities of the Motion & Perception group at the Intelligent Syste...

Journal: :The Journal of the American Academy of Orthopaedic Surgeons 2007
Orr Limpisvasti Neal S ElAttrache Frank W Jobe

Repetitive overhead throwing exerts significant mechanical stress on the shoulder and elbow joint; this stress can lead to developmental anatomic changes in the young thrower. Asymptomatic pathology in the shoulder and elbow joint is prevalent and, with overuse, can progress to disabling injury. Joint injury occurs as a result of the body's inability to properly coordinate motion segments durin...

2017
Haris Anwaar Yin YiXin Muhammad Ammar Ashraf Salman Ijaz

Point to Point ILC involves the tracking of specific points during motion in a repetitive manner. Point to point ILC makes the assumption that initial starting position of each trial remains same. In this paper, initial starting position of point to point motion in each trial is learned using neural networks. The proposed algorithm can also track the points which are changing in respective tria...

Journal: :IEEE Transactions on Control Systems and Technology 2021

Classical proportional-integral-derivative (PID) control is exploited widely in industrial motion systems with dry friction motivated by the intuitive and easy-to-use design tuning tools available. However, classical PID suffers from severe performance limitations. In particular, friction-induced limit cycling (i.e., hunting) observed when integral employed on frictional that suffer Stribeck ef...

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