DJI (company)

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DJI
大疆创新
Native name
 大疆创新科技有限公司
Dà-Jiāng Innovations Science and Technology Co., Ltd.
Private
Industry Aerial Photography
Founded 2006
Founder Frank Wang (Wāng Tāo)
Headquarters Shenzhen, Guangdong, China
Area served
 Worldwide
Products Photography Platforms, Flight Controllers, Gimbals
Revenue Increase $0.5 billion USD (2014), $1.0 billion USD (2015 Expected)[1]
Number of employees
 c. 3300[2]
Divisions China, North America, Europe, Japan
Slogan "The future of possible"
Website dji.com

DJI is a Chinese technology company founded in 2006 by Frank Wang (Wāng Tāo, Chinese: 汪滔)[3] and headquartered in Shenzhen, Guangdong. It manufactures commercial and recreational unmanned aerial vehicles (UAV) for aerial photography and videography.[4][5][6][7]

According to The Economist, the company is at the forefront of the civilian-drone industry.[8]

Company products

DJI manufactures a range of products including flying cameras (ex. Inspire 悟 and Phantom 精灵 series), flying platforms, flight controllers for multi rotors, accessories for helicopters, camera gimbals (aerial, handheld) and ground stations. These products are for industrial, professional and amateur use.[9][10] In 2014, the American Federal Aviation Administration (FAA) proposed some regulations and guidelines to ensure proper operation of these vehicles in the U.S.,[11][12] and the regulations came into effect on December 21, 2015.[13][14]

Flight Controllers

DJI makes professional and amateur flight controllers intended for multi-rotor stabilization control of various platforms or heavy payloads in aerial photography. In addition to the main A2 main controller model (intelligent orientation, landing, home return), there are the IMU (damper module), the GPS-Compass Pro Plus (high-end antenna, satellite receiver), the PMU (voltage alarm) and the LED bluetooth indicator (smartphone connectivity).[15][16]

Model A2 Naza V2 Wookong-M Naza-M Lite
Number of Motors Compatible 4-8 4-8 4-8 4-6
Has Built in Receiver Yes (2.4 GHz) No No No
Hovering Accuracy (m) Vertical: ± 0.5m / Horizontal: ± 1.5m Vertical:±0.8m / Horizontal:±2.5m Vertical: ± 0.5m / Horizontal: ± 2m Vertical:±0.8m / Horizontal:±2.5m
Motor/ Rotor Configuration Quad-Rotor: +4,X4; Hex-Rotor: +6,X6,Y6,Rev Y6; Octo-Rotor: +8,X8,V8 Quad-rotor: I4, X4; Hex-rotor: I6, X6, IY6, Y6; Octo-rotor: I8，V8，X8 Quad-Rotor: +4,X4; Hex-Rotor: +6,X6,Y6,Rev Y6; Octo-Rotor: +8,X8,V8 Quad-rotor I4, X4; Hex-rotor I6, X6, IY6, Y6

Ronin platform

DJI Inspire 1 at Mobile World Congress 2015 Barcelona

The DJI Ronin (如影) is the company's first stand-alone ground-based camera stabilization platform developed for everyday cinematography and aerial film-making in professional environments. It is built for professional videography and photography and targets the movie-making industry. By using the 3 individual motors to balance the system the DJI Ronin has the ability to stabilize the camera when moving vigorously.[17]

DJI modules

DJI offers several add-on modules for their base products such as power management and video modules.

Module Lightbridge PMU (A2, Wookong, Naza V2, Naza Lite) iOSD MARK II iOSD mini BTU
Type (Purpose) Video Downlink Power Management On-Screen Display On-Screen Display Bluetooth Link
Works With A2, Wookong-M, Naza V2 A2, Wookong-M, Naza V2, Naza-M Lite A2, Wookong-M, Naza V2 A2, Wookong-M, Naza V2 Naza V2
Interface CAN Bus CAN Bus, Battery Connection CAN Bus CAN Bus CAN Bus
Battery Requirements 4S-6S Lipo 4S-12S Lipo 4S Lipo and Shared Flight Controller Power 2S Lipo and Shared Flight Controller Power Shared Flight Controller Power

Flame Wheel series

DJI has developed a series of multirotor flying platforms called Flame Wheel (Feng-Huo-Lun or Fēnghuǒlún, 风火轮) for aerial photography in entertainment. In 2013, there was a total of three electrically powered Flame Wheels: the hexacopter Flame Wheel F550, and quadcopters Flame Wheel F330 and Flame Wheel F450. The most recent one is the Flame Wheel ARF KIT.[18][19]

Model Flame Wheel F330 Flame Wheel F450 Flame Wheel F550
Diagonal wheelbase (cm) 69 45 69
Frame weight (g) 156 282 478
Take-off weight (g) 600 – 1200 800 – 1600 1200 – 2400

Phantom series

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Main article: Phantom (UAV)
A DJI Phantom 2 Vision+ V3.0

DJI has also developed a series of quadcopters called the Phantoms (精灵) that have evolved into an integrated flying system with aircraft, camera, Wi-Fi connectivity(or Lightbridge), a controller and the pilot’s mobile device.[20][21][22] These quadcopters are mainly intended for aerial cinematography and photography applications,[23] but are also very popular among hobbyists as well.[24] The Phantom 2 Vision+ features a camera and a gimbal system manufactured by DJI. It is capable of taking 14 MegaPixel still shots and recording high definition (1080p) video.[25] In comparison, the Phantom 3 Professional, Phantom 3 4K, and Phantom 4 can shoot 4K resolution video and take 12MegaPixel still photos.[26][27]

Model Phantom 1 Phantom 2 Phantom 2 Vision Phantom 2 Vision+ Phantom FC40 Phantom 3 Standard Phantom 3 4K Phantom 3 Advanced Phantom 3 Professional Phantom 4
Diagonal wheelbase (mm) 350 350 350 350 350 350 350 350 350 350
Height (m) 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19
Power consumption (W) 3.12 — — — 3.12 — — — — —
Take-off weight (g) < 1200 < 1300 1180 1284 1200 1216 1280 1280 1280 1380
Max speed (m/s) 10 15 15 15 10 16 16 16 16 20
Endurance (min) — 25 25 25 10 25 25 23 23 28
Rate of climb/descend (m/s) 6 6/2 6/2 6/2 6 5/3 5/3 5/3 5/3 6/4
Operating temperature (°C) - 10 to 50 - 10 to 50 — — - 10 to 50 0 to 40 0 to 40 0 to 40 0 to 40 0 to 40
Maximum altitude (m) 6000 6000 6000 6000 6000

The Spreading Wings series

DJI Spreading Wings S800 hexacopter

DJI has also developed a series of hexacopters called Spreading Wings (Jin-Dou-Yun or Jīndǒuyún, 筋斗云) for carrying heavy cameras in aerial photography, search and rescue, and surveillance. In 2013, two models have been released as Spreading Wings S800 and Spreading Wings S800 EVO.[28]

Model Spreading Wings S800 Spreading Wings S800 EVO Spreading Wings S900 Spreading Wings S1000
Diagonal wheelbase (cm) 80 80 90 104.5
Empty weight (kg) 2.6 3.7 3.3 4.2
Take-off weight (kg) 5 – 7 6 – 8 4.7 – 8.2 6 – 11
Endurance (min) 16 20 18 15
Operating temperature (°C) — — - 10 to 40 - 10 to 40

The unmanned helicopter

DJI unmanned helicopter is a small unmanned helicopter jointly developed by Harbin Institute of Technology (HIT) and Hong Kong University of Science and Technology (HKUST) with DJI. This small unmanned helicopter is intended for high elevation missions and can operate with wind scale of 6. The general designer is Professor Lǐ Zé-Xiāng (李泽湘), and the chief designer for software is associate Professor Zhū Xiǎo-Ruǐ (朱晓蕊) from Harbin Institute of Technology.

Handheld Stabilized Cameras

DJI has also developed a handheld device that uses a gimbal system to stabilize shooting called Osmo (灵眸). The Osmo connects by wifi to a mobile device which is used to view input from the camera.

Applications and usage

Example aerial video of Cliffs of Moher taken by a DJI Phantom 2 Vision+ quadcopter

DJI products have a wide range of applications in industry and in everyday life with models for professionals and amateurs. Although initially known for military and intelligence applications, drones have many surprising civilian uses. For example, they can be used for hurricane hunting, 3-D mapping of landscape, nature protection, farming, and search and rescue.[29] DJI drones have made dramatic appearances at the Consumer Electronics Show (CES) of Las Vegas, Nevada, U.S. for several years.[30][31]

Company internal dispution

The lack of an early vision and Wang's personality would eventually cause strife within DJI's ranks. There was constant churn among employees, with some feeling spurned by a demanding boss they felt was stingy with equity. By the end of two years almost all of the founding team had departed. Wang admits he can be an "abrasive perfectionist" and at the time managed to "piss [employees] off."[32]

See also

References

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