Sentences with word «microrobot»

Drexel University researchers have developed a way to use electric fields to control microrobots in a fluid and allow them to automatically sense obstacles and adjust their course en route to their destination.
Mat Evans Bioinspired design and energetic feasibility of an autonomous swimming microrobot.
«There are more challenges to making a robust, robotic landing system but this experimental result demonstrates a very versatile solution to the problem of keeping flying microrobots operating longer without quickly draining power,» said Ma.
This relative autonomy is an important step for microrobots if we're going to one day put them into a complex system and ask them to perform a task like delivering medication or building a microstructure.»
«Bacteria - powered microrobots navigate with help from new algorithm.»
- Bacteria - Inspired Magnetic Polymer Composite Microrobots Kathrin Peyer, Erdem Siringil, Li Zhang, Marcel Suter, Bradley Nelson
«We think of transporters, and of microrobots that doctors could inject into veins to search for cancer cells, or deliver drugs, or maybe smart materials that can change in response to a signal.»
They may also be useful for other applications where high power is needed in small volumes, such as autonomous microrobots.
New floating devices allow this multipurpose air - water microrobot to stabilize on the water's surface before an internal combustion system ignites to propel it back into the air.
A biologically inspired, flapping - wing, hybrid aerial - aquatic microrobot.
When a slimy smear of the bacteria is applied to a substrate, in this case a square chip of photosensitive material called SU - 8, you get a negatively charged microrobot that can move around in a fluid by riding the waves of an electric field.
Motors less than a millimetre across have been made, and researchers in Japan are working to create microrobots that can swim through blood vessels to perform surgery.
The ideal technology for many applications would be an untethered microrobot that is adaptable to various environments and is simple to operate.
To make smaller, simpler microrobots, researchers at Drexel University have developed a fabrication method which utilizes the minimum geometric requirements for fluid motion — consisting of just two conjoined microparticles coated with bits of magnetic debris.
This stands in contrast to many existing methods of fabrication in which microrobots are fabricated using specialized chemistry and lithography methods, which involve molds and elastomeric materials.
We hope that our work investigating tradeoffs like weight and surface tension can inspire future multi-functional microrobots — ones that can move on complex terrains and perform a variety of tasks.»
Air - water hybrid microrobot uses a tiny, novel sparker inside the chamber ignites the gas to propel the RoboBee out of the water.
«This is the first microrobot capable of repeatedly moving in and through complex environments,» said Yufeng Chen, who was a graduate student in the Microrobotics Lab at SEAS when the research was conducted and is first author of the paper.
«But the methods they use to perch, like sticky adhesives or latching with talons, are inappropriate for a paperclip - size microrobot, as they either require intricate systems with moving parts or high forces for detachment.»
In a recent article in Science, Harvard roboticists demonstrate that their flying microrobots, nicknamed the RoboBees, can now perch during flight to save energy - like bats, birds or butterflies.
The next step for Kim's lab is to develop a system consisting of multiple bacteria - powered microrobots that is able to perform manipulation of multiple live cells in vitro.
Patrick Pirim Bacteria - Inspired Magnetic Polymer Composite Microrobots.
«We have shown that we can manually direct the robots or give it a set of coordinates to get it from point A to point B, but our goal in this research is to enable the microrobots to navigate a course with random impediments blocking its way,» Kim said.
«With this level of control and input from the environment we can program the microrobot to make a series of value judgments during its journey that affect its path,» Kim said.
In a follow - up to a 2014 report that presented a way to use the flagellated bacteria Serratia marcescens and an electric field to make a microrobot mobile, MinJun Kim, PhD, a professor in the College of Engineering and director of Drexel's Biological Actuation, Sensing & Transport (BAST) Lab, is now offering a method for making them agile.
We know electric fields can be used to push the microrobots in any direction, like a boat carried by the ocean's currents, but in this paper we're exploring how those same fields can be used to help the robot detect obstacles and navigate around them,» Kim said.
15 Mini Me: Australian researchers are trying to build a microrobot that would mimic the swim stroke used by E. coli bacteria.It would be injected into a patient so it could take a biopsy from the inside.
Inspired by water striders — insects that can hop upward from watery surfaces — researchers at Korea's Seoul National University and Harvard's Wyss Institute for Biologically Inspired Engineering emulated the biomechanics necessary for their microrobot to vault 5.5 inches — more than 10 times its height — from water without breaking surface tension.
The Harvard RoboBee, designed in Wood's lab, is a microrobot, smaller than a paperclip, that flies and hovers like an insect, flapping its tiny, nearly invisible wings 120 times per second.
The new paper focuses on the microrobot design, fabrication, and use of rotating magnetic fields to operate them in a strategy to negotiate complex terrains.
Targeted drug delivery is one of the key applications of these nano - and microrobots
«In particular, mobile microrobots have recently emerged as viable candidates for biomedical applications, taking advantage of their small size, manipulation, and autonomous motion capabilities.
«Minimalist swimming microrobots: Fabrication method for swimming microrobots with minimalist geometric requirements, reducing technological constraints.»
When a microrobot is exposed to an external magnetic field — the offboard power source, given the difficulty in shrinking batteries to the size of bacteria — it begins to spin and move in a manner similar to bacterial flagella, courtesy of the iron oxide debris.
Harvard roboticists demonstrate that their flying microrobots, nicknamed the RoboBees, can now perch during flight to save energy - like bats, birds or butterflies.
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