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6 Feb 2008 iceprincess_9923
(Observer)
5 Feb 2008 ddipper
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5 Feb 2008 timnt1992
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4 Feb 2008 santos
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4 Feb 2008 days77
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4 Feb 2008 cifra0
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3 Feb 2008 speedster.CRASAR
emergency response team were there deploying rescue robots.TankPitStop that can pump your
gas at the gas station.He
wondered, "if a robot can do that, then why can't it fill a car
tank?".Anyone have a link to an older one?IEEE Spectrum article
offers a short history of the project, named after Luke Skywalker's
prosthesis.The
Luke Arm is lighter than an average human arm and has 18 degrees of
freedom, almost as many as the 22 in a human arm.O, processors, sensors, actuators and other
functions.Lathe UltraMicrotome, in case you
were wondering.The goal is to create a "connectome", a
complete network diagram of the neurons in the brain.Among the topics
discussed was whether scientists can create war robots that behave more
ethically in battle than human soldiers.One scientist recommended that
roboticists who are asked to work on a military project make sure they
support
the goals of the organization and that they will be able to publish
their research.Peter Asaro
countered that "scientists should not dignify what he considers the
naive notion that robots can be programmed to kill, but only in an
ethical fashion."Telegraph
story about a new Starling study that will benefit robot swarming
technology.Previous computer models of flocking birds assumed each bird
interacted with all other birds in the flock.The new study, which
included accurate 3D tracking information on over 3,000 birds, reveals
that each Starling tracks six or seven other Starlings, regardless of
their changing distance.This explains why flocks expand and contract so
quickly and accurately after predator attacks.Each bird continues to
track its selected neighbors even when they spread out, allow them to
quickly reassemble into a tight group.Schneier just won the
Norbert
Wiener Award for outstanding contributions to social responsibility in
computing technology.Lethality
and Autonomous Systems: Survey Design and Results" (PDF format), a
survey of the general public, military, roboticists, and policy makers
on ethical issues of autonomous military robots.Those surveyed also felt that military robots should be designed to feel
sympathy and guilt but not anger.Roland Siegwart, head
of the Autonomous Systems Lab and
Director of the Center for Product
Design at the Institute of Robotics and Intelligent Systems at the
ETH Zurich, Switzerland.In this interview Siegwart shares his long years of experience in both
research and industrial robotic applications.He talks about his work on
the next generation space rover for the European
Space Agency ESA, set to launch for Mars in 2013.Computer vision may not be making as much progress as recent research
results seem to suggest, a new MIT study says.PDF format), was
written by MIT researchers Nicolas Pinto, David D.Commonly used computer vision testing methods may actually be
making things worse, say the researchers: "these results demonstrate
that tests based on uncontrolled natural images can be seriously
misleading, potentially guiding progress in the wrong direction."Toledo
Blade article describes the newest member of the University of
Toledo's undergraduate admissions recruiting team.Ted is already thinking about a new version of the robot
that would have more capabilities and be built by students as part of an
engineering course.The problem comes when common sense and reality don't match
up, "When everyday thinking is incoherent, apparently obvious truths
may need to be jettisoned.His reasoning seems to be that phenomenon X seems
very mysterious, quantum mechanics seems very mysterious, therefore
quantum mechanics must be the cause of X.That's common sense for you.LiSA which will help
life science workers.It will 'interact with technicians in the labs of
life science companies and autonomously take over routine tasks such as
transporting multiplates and setting up and stocking stations.Before you ask, no, Arnold will not be back this
time.Register about two robots developed as part of the Army's
Future Combat Systems project.The article ends with speculation that
we're following the path that changed the inhabitants of Skaro from Kaleds
into Daleks.The assembly consists of a laser pointer and a
web cam.Kiva Systems is manufacturing its
1,000th robot this week".Aerodynamics
Laboratory are
working on the plasma thrusters right now.The NAVs will be used for
urban surveillance."You did not enter a search term.Features plenty of awesome action, and a great new character.Eurocom Entertainment is currently in development for a game based on Robots, the upcoming animated feature.Life 2 contribute to stellar sales.The Perfect 10, because of just every thin that rocks on this game!"Visit other CNET Networks sites: Select SiteBNETCHOWCNET.The Shadow robot hand system holding a lightbulb.Robotics requires a working knowledge of electronics, mechanics and software, and is usually accompanied by a large working knowledge of many subjects.The structure of a robot is usually mostly mechanical and can be called a kinematic chain (its functionality being akin to the skeleton of the human body).The chain is formed of links (its bones), actuators (its muscles) and joints which can allow one or more degrees of freedom.These robots are called serial robots and often resemble the human arm.Some robots, such as the Stewart platform, use closed parallel kinematic chains.Robots used as manipulators have an end effector mounted on the last link.This end effector can be anything from a welding device to a mechanical hand used to manipulate the environment.Etymology
2 Components of robots
2.Etymology
The word robotics was first used in print by Isaac Asimov, in his science fiction short story "Runaround", published in March 1942 in Astounding Science Fiction.Before the coining of the term, however, there was interest in ideas similar to robotics (namely automata and androids) dating as far back as the 8th or 7th century BC.In the Iliad, the god Hephaestus made talking handmaidens out of gold.Robots are used in industrial, military, exploration, home making, and academic and research applications.Stepper Motors: As the name suggests, stepper motors do not spin freely like DC motors, they rotate in steps of a few degrees at a time, under the command of a controller.This makes them easier to control, as the controller knows exactly how far they have rotated, without having to use a sensor.Therefore they are used on many robots and CNC machining centres.These motors are already available commercially, and being used on some robots.The key to its behaviour is the braiding visible around the outside, which forces the muscle to be either long and thin, or short and fat.Indeed, all of the entrants in a recent competition to build EAP powered arm wrestling robots, were beaten by a 17 year old girl.Human biceps could be replaced with an 8mm diameter wire of this material.Most robot arms have replacable effectors, each allowing them to perform some small range of tasks.These are very simple astrictive devices, but can hold very large loads provided the prehension surface is smooth enough to ensure suction.General purpose effectors: Some advanced robots are beginning to use fully humanoid hands, like the Shadow Hand (right), or the Schunk hand.Several real robots do use a similar dynamic balancing algorithm, and NASA's Robonaut has been mounted on a Segway.Ballbot: Carnegie Mellon University researchers have developed a new type of mobile robot that balances on a ball instead of legs or wheels.It weighs 95 pounds and is the approximate height and width of a person.Because of its long, thin shape and ability to maneuver in tight spaces, it has the potential to function better than current robots can in environments with people.Walking is a difficult and dynamic problem to solve.Several robots have been made which can walk reliably on two legs, however none have yet been made which are as robust as a human.None can walk over rocky, uneven terrain.The robot's onboard computer tries to keep the total inertial forces (the combination of earth's gravity and the acceleration and deceleration of walking), exactly opposed by the floor reaction force (the force of the floor pushing back on the robot's foot).However, this is not exactly how a human walks, and the difference is quite apparent to human observers, some of whom have pointed out that ASIMO walks as if it needs the lavatory.ASIMO's walking algorithm is not static, and some dynamic balancing is used (See below).Hopping: Several robots, built in the 1980s by Marc Raibert at the MIT Leg Laboratory, successfully demonstrated very dynamic walking.Initially, a robot with only one leg, and a very small foot, could stay upright simply by hopping.The movement is the same as that of a person on a pogo stick.Soon, the algorithm was generalised to two and four legs.For a full list of these robots, see the MIT Leg Lab Robots page.Dynamic Balancing: A more advanced way for a robot to walk is by using a dynamic balancing algorithm, which is potentially more robust than the Zero Moment Point technique, as it constantly monitors the robot's motion, and places the feet in order to main stability.Passive Dynamics: Perhaps the most promising approach being taken is to use the momentum of swinging limbs for greater efficiency.It has been shown that totally unpowered humanoid mechanisms can walk down a gentle slope, using only gravity to propel themselves.Using this technique, a robot need only supply a small amount of motor power to walk along a flat surface or a little more to walk up a hill.This technique promises to make walking robots at least ten times more efficient than ZMP walkers, like ASIMO.Global Hawk Unmanned Aerial Vehicle.The autopilot can control the plane for each stage of the journey, including takeoff, normal flight and even landing.Some can even fire on targets under command.UAVs are also being developed which can fire on targets automatically, without the need for a command from a human.Left one has 32 motors, the right one 10.Snake: Several snake robots have been successfully developed.The people who interact with them may have little or no training in robotics, and so any interface will need to be extremely intuitive.It will be quite a while before robots interact as naturally as the fictional C3P0.Speech Recognition: Interpreting the continuous flow of sounds coming from a human, in real time, is a difficult task for a computer, mostly because of the great variability of speech.It becomes even harder when the speaker has a different accent.Gestures: One can imagine, in the future, explaining to a robot chef how to make a pastry, or asking directions from a robot police officer.In the first case, the robot would be recognising gestures made by the human, and perhaps repeating them for confirmation.In the second case, the robot police officer would gesture to indicate "down the road, then turn right".Personality: Many of the robots of science fiction have personality, and that is something which may or may not be desirable in the commercial robots of the future.One commercial example is Pleo, a toy robot dinosaur, which can exhibit several apparent emotions.The control of a robot involves path planning, pattern recognition, obstacle avoidance, etc.Direct dynamics refers to the calculation of accelerations in the robot once the applied forces are known.Direct dynamics is used in computer simulations of the robot.Inverse dynamics refers to the calculation of the actuator forces necessary to create a prescribed end effector acceleration.This information can be used to improve the control algorithms of a robot.In each area mentioned above, researchers strive to develop new concepts and strategies, improve existing ones and improve the interaction between these areas.To do this, criteria for "optimal" performance and ways to optimize design, structure and control of robots must be developed and implemented.Hall of Fame for robots Voting is currently underway for a new round of inductees.Ancient Greek Ideas on Speech, Language, and Civilization.Type Ultrasonic Motors (Driving Characteristics)"."Arm wrestling robots beaten by a teenaged girl"."Shape Design of Gel Robots made of Electroactive Polymer Gel" (PDF).Kinematic Analysis of Robot Manipulators.Anthropomorphic hand is almost human.Commercialized Quadruped Walking Vehicle "TITAN VII".IEEE Journal of Oceanic Engineering.What is the market for robot fish?.Delta Pi Epsilon Journal 37 (1995): 1_12.Vision Based Hand Gesture Recognition Systems.Kismet: Robot at MIT's AI Lab Interacts With Humans.All text is available under the terms of the GNU Free Documentation License.
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