UAV - Terrain Following Technologies
There are many technologies being used today such as ultrasonic sensors, which provide non-contact for solution levels in liquid storage tanks. Using this technology the tanks can use non-corrosive methods to prevent failure of parts. For instance in a fuel tank the bacteria can eat through a 505 (2-inch) think piece of stainless steel in about a week or so. Even plastic, which is made from petroleum products becomes brittle in such environments. So the solution in the various industries is to use sound waves to control switches and float leveling systems. One company in our industry is Compac Engineering which makes all types of "Eracta Switches" like an erector set you build the desired structure or device out of plastic, insert their sensors, plug it in and you are completed. You can know soap levels, waster water levels, freshwater levels using devices, which do not corrode, rust or deteriorate quickly.
These same systems and other systems are used in car washes to guide the car and systems close without touching the car. In the previous decade electronic eyes were used, costly and often failed and each morning a ghost wash was needed to test the system and if the control mechanism failed the unit would touch the practice car and scratch it, ruining the paint. This newer technology is best suited in that it has less moving parts and works very easily with less mechanism for Murphyism and less weight of components a critical issue in UAV operations since payloads are critical.
The best little tiny UAVs which go by another term MAV- Micro Air Vehicles can only carry 9-11 lbs. not much really, but enough to get the job done. Every pound you save adds to the range of the craft for fuel or battery power in the case of many of the UAVs around. Electric MAVs and/or Small UAVs for military purposes are desired since they do not need fuel only setting a switch allowing the chemicals to mix and cause a reation and start the process of making electricity. GPS guided units by satellites are often best for UAV control in that the operator releases or hand launches the unit and lets it go and the satellite guides it by electronic pulses or pinging from satellite within way-points without any rhythm and therefore electronic pulses are not able to be blocked as signals. Without blocking an entire band of frequencies and that takes lots of power and directional awareness of UAV which if autonomous is nearly impossible to find or see and you cannot know where it is since it's signature is less than the smallest bird.
Also electric is nice if the using terrain following devices, which if ultrasound is used are really inexpensive in the car wash industry will cause a somewhat vertically unpredictable flight pattern of that of a bird, which moves with the currents and updrafts crossing roads or downdrafts crossing creeks and cooler air.
You see the simple instability of the relative wind along with the terrain ultrasonic control system pulling up when it gets close to the ground will look like the flight of a bird, one which you cannot see and you cannot hear if it is electric. For all practical purposes a small delivery system similar to the birds in Harry Potters Book five. The speed of sound is a factor of air temperature and of course air pressure and density but at slower speeds of a UAV is less of a consideration. A tree in the way would be a different signal bounce for sound than the ground, sensors can easily see the difference.
Right now much work is being done on pedestrian radars using sound, which are now available in Europe on cars and soon in US. Most major auto manufacturers have this and if you remember the last Terminator Movie out now the robots, which shoot rotating machine guns use sound to identify targets, the disruption of the returning of the sound waves is recognized by shape and therefore the object is identified. They call this technique windowing. The proximity sensors for car washes use a complex series of ultrasonic sound pulses using emitters and receivers. But the systems can be easily made very simply and relatively weightless. Many animals in nature use such signals to hunt; Bats for instance and Dolphins sonar. You see not too difficult to see why. Easy to use and light-weight. In cold conditions the units, which gather ice could have a bit of a problem however most of the enemies of the US are near the equator, where it is warmer. This system works day or night and in stormy weather when proper filters are used. Another even cooler new technology which has been recently adopted in the car wash industry is "passive ferrous object detection" this technology uses a very simplistic approach which identifies natural local magnetic disturbances in the Earth's natural magnetic field; another easy system, which can guide a UAV.
Ultrasonic sensors can be solid state or newer chip technology to work. UAVs, which can fly under radars and line of sight around and through trees, like birds and insects are the future of UAV technology. It's a bird, It's a plane, no its a UAV. Holly pilot-less RC modeling Batman.
"Lance Winslow" - If you have innovative thoughts and unique perspectives, come think with Lance; www.WorldThinkTank.net/wttbbs
This RSS feed URL is deprecated, please update. New URLs can be found in the footers at https://news.google.com/news
Here's the sexual harassment report that felled a famed geneticist—and his defense - Science Magazine
Paper - More than Meets the Eye
We are surrounded by so much paper and card that it is easy to forget just how complex it is. There are many varieties and grades of paper materials, and whilst it is fairly easy to spot the varieties, it is far more difficult to spot the grades.
Earthquakes, Tsunamis, Mudslides: Extreme Events - What Do They Mean?
In lieu of recent, tumultuous occurrences, people are more compelled than ever to discover the mystery of these modern-day, earth-changing events.One day, Earth(1) is experiencing the fourth largest earthquake in a century - a 9.
Using Mosquito MEMS to Collect DNA Samples
Soon scientists will have scaled down robotic insects. This is a good thing and most of this technology is being funded for Department of Defense uses as they will have a killer application there indeed.
The Ecology of Environmentalism
The concept of "nature" is a romantic invention. It was spun by the likes of Jean-Jacques Rousseau in the 18th century as a confabulated utopian contrast to the dystopia of urbanization and materialism.
Living In Arizona Boulders--Where Did They Come From?
When most people think of building a secluded home, they think of tall trees and large bushes. But what about boulders?Granite Park, located in Prescott, Arizona, which is in the north central part of the state, is one such place filled with 1.
X-37 UAV Has Potential
X-37 Moves Forward, Now What? Well, here are a few ideas of taking this craft to a whole new level and plateau in American Ingenuity and Innovation. NASA has learned a lot from the X-37 tests and will now turn it over to DARPA, which makes a lot of sense indeed.
Preventing Death in a Bio Threat
In the event of Bio threat how to mobilize Hospitals in case of biological emergencies should close except for broken bones and accidents. Instead those who believe they have contracted a biological terrorist induced pathogen, virus or disease should be required to stay at home.
Creating Artificial Time in a Vacuum With Pulsed Lasers
Keying off a very interesting concept confined within Static Quantum Theory and looking for the edge of time or the end of energy or the Quantum Borderline or virtual boarder of nothing. One might use the idea of pulsed lasers created in a defined confined area of a vacuum to create a singularity of a pulsed laser, whose immediate disruption pulses of the singularity which would follow would reach the end of the confinement area faster than the light which would in fact be created and then this traveling disruption would trigger another pulsed laser reciprocal event on the far side of the confinement whose pulsed laser would send it's disruption of the event to occur to the original point of the first singularity of the original laser or starting point, which would trigger the turning off of the first laser before it created the event of singularity or light.
Rodent Populations are Half within 3 miles of a Railroad Track
About a month ago, I was helping a friend collect meteorites. We picked out a grid pattern and started walking six to 9 feet apart with metal detectors looking for the iron-nickel meteorites which are quite common here on the Earth's surface The grid is large and takes many days to even make a dent in it and each time we are able to collect some meteorites.
We Have Come Along Way in Our Exploitation of Transportation
We sure have come along way since the horse and buggy or the first Model T that left the assembly line. We have attempted to build unbelievable transportation items and prototypes for instance; the Spouse Goose, jet powered bullet trains, under water autonomous vehicles and those X-Planes.
UAV - Terrain Following Technologies
There are many technologies being used today such as ultrasonic sensors, which provide non-contact for solution levels in liquid storage tanks. Using this technology the tanks can use non-corrosive methods to prevent failure of parts.
Mars is not hollow; is it?
Is Mars Hollow? We are pretty sure it is not, but no one can be certain however we might soon know. The reason such a question is asked is because of questions about the Earth and the time it takes for sound waves to travel through it.
Launching 400 UAVs from a Transport Plane
How to launch hundreds of UAVs for an autonomous mission from a transport plane. As we watched the MOAB parachute bomb drop out of a C-130 onto the desert and above the tunnels below into Afghanistan, it left the world in awe.
Building a Single Unit CO2 Laser Grid
When using a CO2 Laser to shoot down an incoming projectile, which enters a safety zone, it will be necessary to hold the laser on the target for about 5 seconds or more. To do this we must be able to shoot the laser in a grid, therefore if the projectile or aircraft or guided missile or even a UAV takes evasive action such as a high- speed high "G" 90 degree turn you can still register a kill on the target.
Building an Ice House on Mars
There is ice at the Martian Poles, one of the poles has water ice in abundance. Such an ice over region could easily be converted into a habitat for a Martian Colony of human explorers.
What is Science?
Students often ask; "What exactly is science?" Professors explain by discussing theories, proofs, laws of physics, observations, duplication of results, etc..
Why Condition Your Boiler Water?
A boiler is used for generating steam. It does this by heating water to its boiling point, after which steam will evaporate from it.
Shamans and Their Documented Abilities
Many Shamans will go into a sweat house to get their premonitions, here is a make shift sweat house used by such native Indians;http://www.nativeradio.
Tactile Squeegee for Plexiglas Windows
Cleaning Plexiglas windows is not easy, you have to be careful to apply the right amount of pressure. Too little pressure and you do not clean it very well.
MP Apprehension of High Strung or Drunken Soldiers
Recently scientists have discovered the hydrogen sulfide gas caused mice to go into spontaneous hibernation. The genetic similarities to the mammalian class humans belong to includes these rodents as well.
|home | site map | Xray Photography|