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Ace Waypoint ground station system is built on an upgrade from Ace One’s DJI fourth generation helicopter autopilot products, and ground control software (GCS). It has all the features of Ace One, while providing the advanced reliability and flight stability core modules. Precise flight positioning, high mobility and ease of use, together with the aid of the advanced industry professional level ground station system, upgrades the unmanned helicopter system into a fully automated aerial work platform, with applications in specialized professions, including various industrial and military operations.
DJI offers 2.4Ghz and 900MHz datalink to achieve long-range two-way communication. The datalink maximum distance is up to 15km. The ground end also link with USB power supply that is convenient for outdoor using. The wireless module uses FHSS technology which is verified by FCC and CE certification, DJI datalink has many advantages such as: high data rate, stable performance, strong anti-interference capability, and long communication distance. The 2.4GHz datalink’s power consumption is 550mw and 900MHz datalink 1.5W, which is big advantage for long-distance flight mission.
The entire ground control system combines GPS 6DOF inertial measurement unit, magnetometer, pressure altimeter sensors to optimize robustness of algorithms and robotic control logics. Ground control system utilizes advance GPS/INS proprietary algorithm technology in the entire design. Even in adverse condition, high vibration and high demand environment, the helicopter maintains flight stability accurately to ensure mission success rate.
System design and use of high grade components enables fast GPS acquisition time. Compass calibration with 45° tolerance is easier and faster than previous model.
DJI Ground Station designed around intuitive Google 3D map offering GIS data. Pilot can operate and plan flight routes anywhere, use PC mouse to zoom in/out of 3D Maps which can be downloaded to PC and used else way in offline mode.
In addition to the aircraft location, heading and altitude, our ground station also provides other flight data such as attitude, air speed, vertical speed, throttle and pitch percentage and servo voltage at all times.
Ground Station equipped with intelligent adaptive system. During abnormal signal lose , the system will adjust to environment to activate failsafe appropriately. The aircraft will implement the mission and complete the default route mission automatically, even when datalink signal lost.
When user use manual mode, the aircraft will keep hover when RC signal lost. But after 10S, if the signal didn’t come back, the aircraft will find the take-off point precisely and come back to take-off point with safest route and height . Then the aircraft will hovering over the take-off point automatically after its activate point. This function offers the intelligent security protection for user’s expensive aerial equipment. In addition, the user can always click the return button, the system will interrupt the current mission immediately to order the aircraft to back the take off point .
Operator can either use keyboard or joystick with ground station system to control the helicopter movements and attitude via DJI data link. Manual mode can be applied when out of radio (transmitter) signal range by using either keyboard or joystick for control. This provision/feature allows control when the radio (transmitter) stopped working after mission started.
DJI emphases the principle of user friendliness in all designs, the ground station offers 3D graphic interface, a breakthrough from traditional UAV system with ease of installation, less complexity and ease of operation in comparison to others in the market. DJI ground station control can save time, improve operation efficiency, ease mission planning supporting flexible and intelligent way for any mission.
Click on any point on a 3D map, aircraft can achieve the coordinates point automatically, particularly suited to some routes cannot be set in advance. Flight altitude and flight speed can also be adjusted rapidly and accurately according the change of data and waypoints when user have to change the target and flight mission.
Beyond Visual Range (BVR) of Ground Stations System designed for high-ending commercial and industrial automatic flight that rely on a reliable long-range wireless communication device (Data Link) and ground station control system (GCS). The flight route, default action of photographs, airdrop can be planned in advance on the ground station control software.
Attitude leveling stability optimization algorithm enhances control feel and flight path control in ATT Mode. Helicopter forward air speed of up to 25 meter per second in GPS cruise mode ensure longest possible flight mission.
Waypoints can be set to the number of destinations up to 200. They are the basic unit of composition routes task to meet the complex requirement of the routes operating. Users can carry out for each waypoint special settings, such as height, latitude and longitude, flight speed, the nose toward, the turning patterns and residence time etc. User can batch for all destinations setting in once as well.
Ground Station provides 6 types pre-set route template are default settings that can complete mission quickly in designated area with set height. The size of coordinates mission area, the number of waypoints in the region, the waypoint properties, etc. can be customized. Those templates can be especially applied on for vertical photography, precise mapping, spraying agriculture and other industries.
There are 3 different fight routing planning mode: fixed-point turn mode, coordinated turn mode and adaptive coordinated turn mode.
Fixed-point Mode: Aircraft fly to the first fixed point accurately, then stay at the fixed point and then fly to the next fixed point . The fixed points and the length of staying also can be set in advance.
Coordinated turning mode: The route of aircraft would be smart to be calculated with turning speed and turning angle. The helicopter would fly from one point to another point without stop.
Adaptive coordinated turning mode: It is almost the same performance with Coordinated Turning mode. But the flight routine will be more accurately with the planned flight routine in this mode.
Real time flight altitude data is vital in real time flight data collection. Correct Ace Waypoint altitude setting determines the success of the flight mission. There are two displays for height; normal height and elevated mode. In normal height mode, the system records the helicopter at 0 height reference point- above (+) value means above ground and (-) value means below ground. In elevated mode, the helicopter altitude is the same as elevation according to Google Map. Due to altitude sensor can be affected by weather condition, an offset of altitude is necessary. Please refer to manual for detail setup.
DJI’s autopilot system provide two servo outputs to support custom servo feature. These two outputs can be used between the controller and or 3rd party devices. These outputs for example can be used for camera shutter operation, air-drop activation or other switching devices.
During flight mission, operator can re-edit mission such as modifying flight routes, or waypoints to achieve a real-time adjustment to complete the objectives. Operator can also click “Pause” button to suspend the mission; aircraft will slow down and hover awaiting new assignment. When and if signal is lost, the system will intelligently pick the optimal route to return home automatically.
Photogrammetry tool can be used with DJI aerial photography waypoint system in producing professional and accurate mapping. Thus, simplifies flight mission; a must consider package for professional photography.
|Supported Helicopter||Electric and fuel powered|
Three Servo 120° / 140° / 90°
Four Servo 90°
(All the types are fine tuning supported)
|Supported Servo Output *||500Hz (760us) / 200Hz (1520us)|
for Rudder Channel;
Others depend on your receiver output.
|Recommended Transmitter||1 — PCM or 2.4GHz|
2 — Minimum 7 channels
3 — Failsafe function available on all channels
|Recommended Power Supply||DC 4.8~8.4V|
(Not be exceed MAX operating voltage of servo motor) More than 2000 mAH capacity Discharge current more than 5C No separate servo power supply required
|Operating Temp||-20°C to +70°C|
|Power Consumption||MAX 5W|
(0.9A@5V, 0.7A@5.8V, 0.5A@7.4V, 0.4A@8V)
|Built-In Memory||4GB Flash Memory for flight information recording|
|Assistant Software System Requirement||Windows XP / Windows Vista / Windows 7 / Windows 8|
|Hovering Accuracy||Vertical : ± 0.5m|
Horizontal : ± 1m
|Suitable Wind Condition||< 8 m/s (17.7mph)|
|Forward / Backward|
Left / Right
|± 72 km/h (44.74 mph)|
± 56.7 km/h (35.77 mph)
|Acceleration Ascent / Descent||Adjustable via ACE ONE ASSISTANT software,can be limit by user precisely|
|Weight||<= 150g (The devices on helicopter |