نتایج جستجو برای: manipulation strategies

تعداد نتایج: 447697  

1998
Ann M. Ramos Ian D. Walker

In this work, we consider the grasping and manipulation strategies of raptors, focusing on the particularly successful case of the osprey. The osprey makes superb use of its two four-digit feet, each of which has ve degrees of freedom. Its manipulation strategies exploit not only quasistatic but also dynamic grasping, particularly in shing, for which the bird is highly renowned. In this paper, ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1378

تحقیق حاضر کوششی بود در جهت (الف) مشخص نمودن استراتژیهایی که دانشجویان و دانش آموزان ایرانی برای یادگیری زبان انگلیسی بطور عام و یادگیری واژگان بطور خاص مورد استفاده قرار می دهند، (ب) پیدا کردن ارتباط معنادار مابین استراتژیهای یادگیری زبان انگلیسی و واژگان انگلیسی از یک طرف و سطح توانایی زبانی فراگیران از طرف دیگر. (ج) پی بردن به تغییرات معناداری که بواسطه سن، جنس ، قومیت ، سالهای یادگیری زبان ...

Journal: :J. Exp. Theor. Artif. Intell. 1997
Bruce Randall Donald James S. Jennings Daniela Rus

We have designed and implemented multi agent strategies for manipulation tasks by distributing mechanically based sequential algorithms across sev eral autonomous spatially separated agents such as mobile robots Our experience using mobile robots for the manipulation of large objects couches boxes le cabinets etc leads us to recommend a minimalist architecture for multi agent programming In par...

2000
David C. Parkes Lyle H. Ungar

Iterative auctions have many computational advantages over sealed-bid auctions, but can present new possibilities for strategic manipulation. We propose a two-stage technique to make iterative auctions that compute optimal allocations with myopic best-response bidding strategies more robust to manipulation. First, introduce proxy bidding agents to constrain bidding strategies to (possibly untru...

2007
Bruce Donald Jim Jennings Daniela Rus

We have designed and implemented multi-agent strategies for manipulation tasks by distributing mechanically-based sequential algorithms across several autonomous spatially-separated agents, such as mobile robots. Our experience using mobile robots for the manipulation of large objects (couches, boxes, le cabinets, etc.) leads us to recommend a minimalist architecture for multi-agent programming...

2013
León A. Bouvier María de los Milagros Cámara Gaspar E. Canepa Mariana R. Miranda Claudio A. Pereira

The post genomic era revealed the need for developing better performing, easier to use and more sophisticated genetic manipulation tools for the study of Trypanosoma cruzi, the etiological agent of Chagas disease. In this work a series of plasmids that allow genetic manipulation of this protozoan parasite were developed. First of all we focused on useful tools to establish selection strategies ...

A. Akbarimajd, A. Bajelan

Object manipulation techniques in robotics can be categorized in two major groups including manipulation with and without grasp. The aim of this paper is to develop an object manipulation method where in addition to being grasp-less, the manipulation task is done in a passive approach. In this method, linear and angular positions of the object are changed and its manipulation path is controlled...

2016
Jan Winkler Ferenc Balint-Benczedi Thiemo Wiedemeyer Michael Beetz Narunas Vaskevicius Christian A. Mueller Tobias Fromm Andreas Birk

Autonomous robots in unstructured and dynamically changing retail environments have to master complex perception, knowledge processing, and manipulation tasks. To enable them to act competently, we propose a framework based on three core components: (◦) A background knowledge enabled perception system, which is capable of combining diverse information sources to cope with challenging conditions...

2003
Aude Billard Yann Epars Gordon Cheng Stefan Schaal

An essential problem of imitation is that of determining ”what to imitate”, i.e. to determine which of the many features of the demonstration are relevant to the task and which should be reproduced. The strategy followed by the imitator can be modeled as a hierarchical optimization system, which minimizes the discrepancy between two multidimensional datasets. We consider imitation of a manipula...

2005
W Driesen

A micro manipulation platform consisting of two cubic centimeter sized micro robots each with four degrees of freedom has been developed. This paper discusses four different strategies of manipulation by adhesion for grasping, transferring and releasing a micro object. For each strategy, the interacting forces have been modeled and the results are compared with the real behavior of ∅ 40μm polle...

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