JUST unmanned vehicles

JUST unmanned vehicles are uncrewed vehicles developed by Jiangsu University of Science and Technology (JUST, 江苏科技大学), and these unmanned vehicles include both unmanned surface vehicle (USV)s and unmanned underwater vehicles (UUV)s

## Contents

* 1 JUST Explorer II
* 2 JUST Observation ROUV
* 3 JUST Engineering ROUV
* 4 JUST USV
* 5 Deep sea mining vehicle
* 6 Sea Crab ROUV
* 7 References

## JUST Explorer II

JUST Explorer II is an Autonomous underwater vehicle (AUV) designed for underwater observation and inspection, and data collection for scientific researches.[1] Specification:[1]

* Length: 4.83 meter
* Diameter: 0.4 meter
* Weight: 415 kg
* Surface speed: 8 kt
* Underwater speed: 5 kt
* Maximum operating depth: 3000 meter

## JUST Observation ROUV

JUST Observation ROUV is designed for underwater observation and inspection missions, and is thus equipped with a camera and two high power lights.[2] Specification:[2]

* Length: 0.55 meter
* Width: 0.5 meter
* Height: 0.37 meter
* Weight: 12 kg
* Speed: 3 kt
* Propulsion: 4 thrusters
* Maximum power: 2 kW
* Maximum operating depth: 300 meter

## JUST Engineering ROUV

JUST Engineering ROUV is used for underwater construction, and is thus equipped with a camera and two high power lights, and a manipulator.[2] Specification:[2]

* Length: 0.75 meter
* Width: 0.5 meter
* Height: 0.37 meter
* Weight: 51 kg
* Speed: 3 kt
* Propulsion: 5 thrusters
* Maximum power: 5 kW
* Maximum operating depth: 300 meter

## JUST USV

JUST USV is equipped with X-band navigation radar, both GPS and BeiDou satellite navigational system, inertial navigation system, electro-optical system, communication system. The USV can be used for various purposes such as patrol, survey and surveillance, and can be either remotely operated or operated autonomously.[1] Specification:[1]

* Length: 7.2 meter
* Beam: 2.2 meter
* Draft: 0.51 meter
* Displacement: 3.546 ton
* Speed: 50 kt
* Range: 500 km

## Deep sea mining vehicle

Deep sea mining vehicle is a experimental bottom crawler designed to for seabed mining, and it is a tracked unmanned underwater vehicle (UUV).[3] Specification:[3]

* Power: 200 kW
* Weight: 20 ton
* Escavation rate: 4 tons/hour
* Maximum Platt hardness coefficient allowed: f=3
* Maximum speed: 10 meter/minute
* Maximum horizontal tilt angle allowed: 15 degrees
* Maximum strike angle allowed: 10 degrees
* Maximum operating depth: 3000 meter
* Length: 6 meter
* Width: 2.2 meter
* Height: 4.2 meter

## Sea Crab ROUV

Sea crab ROUV is a UUV designed for underwater work such as inspection and cleaning the underwater portion of oil platform or hydraulic projects.[4][5][6] Specification:[4][5][6]

* Length: 1 meter
* Width: 0.5 meter
* Height: 0.5 meter
* Weight: 80 kg
* Maximum operating depth: 100 meter

## References

1. ↑ 1.0 1.1 1.2 1.3 "JUST Explorer II & USV" (in Zh-hans). https://justmeti.just.edu.cn/2021/0521/c9645a289153/page.htm.
2. ↑ 2.0 2.1 2.2 2.3 "JUST remotely operated vehicles" (in Zh-hans). https://justmeti.just.edu.cn/2021/0521/c9645a289155/page.htm. Retrieved March 28, 2022.
3. ↑ 3.0 3.1 "Deep sea mining vehicle" (in Zh-hans). https://justmeti.just.edu.cn/2021/0521/c9645a289146/page.htm. Retrieved March 28, 2022.
4. ↑ 4.0 4.1 "Sea Crab ROV" (in Zh-hans). November 7, 2014. https://www.just.edu.cn/news/2014/1107/c8160a244973/page.htm.
5. ↑ 5.0 5.1 "Sea Crab ROUV" (in Zh-hans). November 6, 2014. http://www.eworldship.com/html/2014/new_ship_type_1106/94574.html.
6. ↑ 6.0 6.1 "Sea Crab UUV" (in Zh-hans). November 6, 2014. http://wap.eworldship.com/index.php/eworldship/news/article.html?id=94574.

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