Engineering:Unattended ground sensor

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Unattended Ground Sensor
BEL Radar details at the exhibition 1.jpg
Various T-UGS sensors
TypeUnattended ground sensor

The Unattended Ground Sensor (UGS) are a variety of small sensors, generally covert, dedicated to detect and identify activities on the ground such as enemy soldiers or vehicles. UGS come as systems with an integrated communication network and processing capabilities.

Future combat systems UGS

The unattended ground sensor were under development as part of the United States Army's Future Combat Systems Program. For information on currently fielded UGS systems, refer to the Current Force UGS Program[1] or CF UGS.

The CF UGS systems employ various sensor modalities including seismic, acoustic, magnetic, and pyroelectric transducers, daylight imagers and passive infrared imagers to automatically detect the presence of persons or vehicles, and transmit activity reports or imagery via radio-frequency (RF) or satellite communications (SATCOM) links to a remote processing, exploitation, and dissemination (PED) station. The systems are packaged for concealed emplacement in the field and for long-duration unattended operation.[2]

The Army Research Laboratory developed unattended ground-sensor technologies for detection and tracking of personnel and vehicles for perimeter defense and border-monitoring applications. In 2005, the OmniSense system was commercialized and fielded.[3][4]

The CF UGS program includes a family of sensors from various companies: Qual-Tron Inc (MIDS, EMIDS, MMIDS) E-UGS, Silent Watch, Falcon Watch, Scorpion, OmniSense and OmniSense-Enhanced. The current sources for CF UGS are Applied Research Associates (E-UGS), Harris Corporation (Silent Watch, Falcon Watch), Northrop Grumman-Xetron (Scorpion), McQ Inc (OmniSense, OmniSense-Enhanced).[1]

There are two types of unattended ground sensors that are being fielded under the United States Army's Future Combat Systems Program, the Urban UGS or U-UGS and the Tactical UGS or T-UGS. The current generation is manufactured by Textron Defense Systems a subcontractor under Boeing.

Tactical unattended ground sensor

T-UGS are small ground-based sensors that collect intelligence through seismic, acoustic, radiological nuclear and electro-optic means. These sensors are networked devices that provide an early warning system to supplement a platoon size element and are capable of remote operation. To an extent T-UGS will detect, track, classify, and identify personnel and vehicles within its coverage area and report to the FCS Network in near real-time.

T-UGS comprises the following sensor systems:

  • The gateway node, which is a router and data collector that sends information back to a FCS Network equipped vehicle.
  • The intelligence surveillance and reconnaissance (ISR) node, which is the key component that acquires and tracks personnel, vehicles and aircraft through seismic and acoustic means.
  • The electro-optic node obtains information from the ISR node and pans its camera toward the point of interest and is able to track and send images through the FCS Network.
  • The radiological nuclear node is capable of measuring and reporting gamma dose-rate and accumulated dose from a fallout environment in a tactical battlefield situation. Detected radiological events will be transmitted via a detailed spot report through the gateway node to an operator on the FCS network.

Urban unattended ground sensor

For urban areas, the urban-unattended ground sensor (U-UGS) is used as a surveillance tool during building clearing operations, and in caves, sewers, tunnels, and other confined spaces. Textron Defense Systems, along with Honeywell, designed these wireless, hand emplaced system of sensors to be lightweight and low cost. The U-UGS network is capable of taking field-of-view images of intruders in all light conditions and transmits images to the FCS Network where immediate recognition of human intruders should be achieved, or, when imaging is not needed, by using the motion detector sensors only.

The proposed U-UGS sensors are made up of the following:

  • The gateway bridges U-UGS sensor field to the FCS network and relays motion alarm and image data. It's capable to be monitored locally by a soldier or remotely through a FCS network enabled modulevehicle.
  • The intrusion node is a motion sensor that detects movement and is able to tell the difference between animal and human beings.
  • The imager node is a combination of motion sensor and all light condition capable imager camera to make pictorial identification easier.

OmniSense

The Army Research Laboratory (ARL) developed Omnisense for perimeter defense and border-monitoring applications in collaboration with McQ Inc. In 2005, the OmniSense system was commercialized and fielded by the U.S. Army.[5]

The persistent surveillance sensors were deployed in quantity to warfighting areas to monitor roads, borders, and areas of interest for insurgent activities.[6] This networked UGS system connected the user to the remotely deployed sensors to receive target information and allowed the user to remotely reconfigure the sensors. These intelligent sensors detected and classified the targets, in addition to capturing a picture of the target.[7] The detected targets were tracked with either a daytime color camera or an uncooled nighttime infrared camera, so the user sees the target as it is detected.[6]

The US Army has cited OmniSense as “One of the Greatest Inventions of 2006.”[7]

Current UGS systems

Phalanx Shield

Phalanx Shield is a situational awareness system developed by Innovative Algorithms,[8] a world class leader in UGS technologies. Phalanx Shield is a suite of high performing UGS integrated with the Phalanx Shield user interface, which allows operators to command and control sensors in real-time within an ecosystem that is fully compatible with ATAK. Phalanx Shield is the next level of performance in technology, advancing capabilities beyond yesterday’s Unattended Ground Sensors.  Advanced processing, communication and data management capabilities opens the door to more intelligent processing and algorithms, while achieving lower power consumption.  Reduced False Alarm Rates, reliable long range detection, and integration with advanced User Interfaces makes Phalanx Shield the most innovative Unattended Ground Sensor system currently on the market.

Flexnet

Flexnet™ is a Unattended Ground Sensor capability,[9] from the Swedish company Bertin Exensor, subsidiary of Bertin Technologies. It includes sensors with embedded processing, GPS, and radio communication. Those sensors are based on seismic-acoustic detection, passive infrared, electro-optical and magnetic detection techniques. Flexnet is used by Swedish Armed Forces,[10] Royal Netherlands Army,[11] Belgian Army[12] among other countries.

References

  1. ↑ 1.0 1.1 "US Army Market Survey for Current force unattended ground sensors". https://www.fbo.gov/index?print_preview=1&s=opportunity&mode=form&id=217b616273ad0eb5f442eb1637435908&tab=core&tabmode=list. 
  2. ↑ US Army Solicitation for Current Force UGS Systems
  3. ↑ The Examiner (2007-06-20). "State bases developed many of Army's top inventions". https://www.washingtonexaminer.com/state-bases-developed-many-of-army-s-top-inventions. 
  4. ↑ History of the U.S. Army Research Laboratory. Army Research Laboratory. September 2017. p. 74. 
  5. ↑ (in en) History of the U.S. Army Research Laboratory. Government Printing Office. ISBN 9780160942310. https://books.google.com/books?id=G8wIcWpgq4wC&dq=omnisense+army+research+laboratory&pg=PA74. 
  6. ↑ 6.0 6.1 "OMNISENSE® REMOTE NETWORKED SENSOR SYSTEM". https://www.navysbir.com/successbook/30.pdf. 
  7. ↑ 7.0 7.1 McQuiddy, John (2008-04-16). "OmniSense unattended ground sensor system". in Carapezza, Edward M. Unattended Ground, Sea, and Air Sensor Technologies and Applications X. 6963. pp. 696306. doi:10.1117/12.784540. 
  8. ↑ "Security & Surveillance Systems – Phalanx Shield™". https://innoalgo.com/unattended-ground-sensors/. 
  9. ↑ "Flexnet-flexible-network-of-sensors". https://www.exensor.com/products/flexnet-flexible-network-of-sensors/. 
  10. ↑ "Exensor Technology receives additional Flexnet UGS orders for Swedish Armed Forces". https://www.edrmagazine.eu/exensor-technology-receives-additional-flexnet-ugs-orders-for-swedish-armed-forces. 
  11. ↑ "Exensor Technology & the Dutch Defense Material Organisation announce the signature of an 8-year framework agreement for the supply of Unmanned Unattended Ground Sensor (UUGS) systems". https://www.exensor.com/exensor-flexnet-netherlands-contract/. 
  12. ↑ "Exensor & the Belgium Ministry of Defense announce the signature of a framework agreement for the supply of Intrusion Detection Systems (IDS)". https://www.exensor.com/exensor-the-belgium-ministry-of-defense-announce-the-signature-of-a-framework-agreement-for-the-supply-of-intrusion-detection-systems-ids/. 



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