| There are many technologies being used today such | | | | nice if the using terrain following devices, which if |
| as ultrasonic sensors, which provide non-contact for | | | | ultrasound is used are really inexpensive in the car |
| solution levels in liquid storage tanks. Using this | | | | wash industry will cause a somewhat vertically |
| technology the tanks can use non-corrosive methods | | | | unpredictable flight pattern of that of a bird, which |
| to prevent failure of parts. For instance in a fuel tank | | | | moves with the currents and updrafts crossing roads |
| the bacteria can eat through a 505 (2-inch) think piece | | | | or downdrafts crossing creeks and cooler air.You see |
| of stainless steel in about a week or so. Even plastic, | | | | the simple instability of the relative wind along with the |
| which is made from petroleum products becomes | | | | terrain ultrasonic control system pulling up when it gets |
| brittle in such environments. So the solution in the | | | | close to the ground will look like the flight of a bird, one |
| various industries is to use sound waves to control | | | | which you cannot see and you cannot hear if it is |
| switches and float leveling systems. One company in | | | | electric. For all practical purposes a small delivery |
| our industry is Compac Engineering which makes all | | | | system similar to the birds in Harry Potters Book five. |
| types of "Eracta Switches" like an erector set you | | | | The speed of sound is a factor of air temperature and |
| build the desired structure or device out of plastic, | | | | of course air pressure and density but at slower |
| insert their sensors, plug it in and you are completed. | | | | speeds of a UAV is less of a consideration. A tree in |
| You can know soap levels, waster water levels, | | | | the way would be a different signal bounce for sound |
| freshwater levels using devices, which do not corrode, | | | | than the ground, sensors can easily see the |
| rust or deteriorate quickly.These same systems and | | | | difference.Right now much work is being done on |
| other systems are used in car washes to guide the | | | | pedestrian radars using sound, which are now available |
| car and systems close without touching the car. In the | | | | in Europe on cars and soon in US. Most major auto |
| previous decade electronic eyes were used, costly | | | | manufacturers have this and if you remember the last |
| and often failed and each morning a ghost wash was | | | | Terminator Movie out now the robots, which shoot |
| needed to test the system and if the control | | | | rotating machine guns use sound to identify targets, the |
| mechanism failed the unit would touch the practice car | | | | disruption of the returning of the sound waves is |
| and scratch it, ruining the paint. This newer technology | | | | recognized by shape and therefore the object is |
| is best suited in that it has less moving parts and | | | | identified. They call this technique windowing. The |
| works very easily with less mechanism for Murphyism | | | | proximity sensors for car washes use a complex |
| and less weight of components a critical issue in UAV | | | | series of ultrasonic sound pulses using emitters and |
| operations since payloads are critical.The best little tiny | | | | receivers. But the systems can be easily made very |
| UAVs which go by another term MAV- Micro Air | | | | simply and relatively weightless. Many animals in nature |
| Vehicles can only carry 9-11 lbs. not much really, but | | | | use such signals to hunt; Bats for instance and Dolphins |
| enough to get the job done. Every pound you save | | | | sonar. You see not too difficult to see why. Easy to |
| adds to the range of the craft for fuel or battery | | | | use and light-weight. In cold conditions the units, which |
| power in the case of many of the UAVs around. | | | | gather ice could have a bit of a problem however |
| Electric MAVs and/or Small UAVs for military | | | | most of the enemies of the US are near the equator, |
| purposes are desired since they do not need fuel only | | | | where it is warmer. This system works day or night |
| setting a switch allowing the chemicals to mix and | | | | and in stormy weather when proper filters are used. |
| cause a reation and start the process of making | | | | Another even cooler new technology which has been |
| electricity. GPS guided units by satellites are often best | | | | recently adopted in the car wash industry is "passive |
| for UAV control in that the operator releases or hand | | | | ferrous object detection" this technology uses a very |
| launches the unit and lets it go and the satellite guides it | | | | simplistic approach which identifies natural local |
| by electronic pulses or pinging from satellite within | | | | magnetic disturbances in the Earth's natural magnetic |
| way-points without any rhythm and therefore | | | | field; another easy system, which can guide a |
| electronic pulses are not able to be blocked as signals. | | | | UAV.Ultrasonic sensors can be solid state or newer |
| Without blocking an entire band of frequencies and | | | | chip technology to work. UAVs, which can fly under |
| that takes lots of power and directional awareness of | | | | radars and line of sight around and through trees, like |
| UAV which if autonomous is nearly impossible to find | | | | birds and insects are the future of UAV technology. It's |
| or see and you cannot know where it is since it's | | | | a bird, It's a plane, no its a UAV. Holly pilot-less RC |
| signature is less than the smallest bird.Also electric is | | | | modeling Batman. |