CN108357666A - A kind of multi-rotor unmanned aerial vehicle arc undercarriage - Google Patents
A kind of multi-rotor unmanned aerial vehicle arc undercarriage Download PDFInfo
- Publication number
- CN108357666A CN108357666A CN201710061673.1A CN201710061673A CN108357666A CN 108357666 A CN108357666 A CN 108357666A CN 201710061673 A CN201710061673 A CN 201710061673A CN 108357666 A CN108357666 A CN 108357666A
- Authority
- CN
- China
- Prior art keywords
- undercarriage
- arc
- arc undercarriage
- aerial vehicle
- unmanned aerial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/04—Arrangement or disposition on aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/20—Operating mechanisms mechanical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/24—Operating mechanisms electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
- B64C25/64—Spring shock-absorbers; Springs using rubber or like elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
Abstract
The invention discloses a kind of multi-rotor unmanned aerial vehicle arc undercarriages, belong to air vehicle technique field, the arc undercarriage includes arc undercarriage, mounting seat and tension spring, the arc undercarriage is articulated with the lower end of mounting seat by hinged shaft, the lower end of the upper end connection unmanned aerial vehicle rack of the mounting seat, the arc undercarriage is connected close to one end of rack by the rack of tension spring and homonymy distal end, the bottom inside of the mounting seat is provided with limited block, the arc undercarriage abuts the limited block on the inside of mounting seat under the tensioning function of tension spring and is in vertical state.The configuration of the present invention is simple, durable reliably the arc undercarriage has the dual function of buffering undercarriage and rotor protective cover, without installing rotor protective cover additional, alleviates the own wt of unmanned plane, reduces flight resistance；Meanwhile arc undercarriage can shrink not influence to take photo by plane automatically visual angle and has many advantages, such as landing and buffering, gravity balance.
Description
Technical field
The invention belongs to air vehicle technique field more particularly to a kind of multi-rotor unmanned aerial vehicle arc undercarriages.
Background technology
In the 1990s, domestic unmanned air vehicle technique growth momentum is powerful, development trend shows design and manufacture one
Change, composite material and intellectual material extensive use, new configuration new approaches conceptual design and avionics information intelligent network are sent out
The directions such as exhibition.Unmanned plane often meets with extreme climate environment and rugged topography when rescuing and executing task, leads to not fly
Row and landing, or lack necessary buffering and cause fuselage to damage with protective device, illustrating unmanned plane in these areas needs to improve.
Unmanned plane at this stage causes it poor to the adaptability of complicated landform due to the relatively-stationary reason of landing gear structure, existing
Measure be mostly it is necessary to place build special landing platform, but conduct a field operation and rescue work in unmanned plane
When still face inconvenience, therefore, the novel unmanned aerial vehicle design suitable for rugged topography landing is just particularly important.Meanwhile
The main application fields of unmanned plane are to take photo by plane, since undercarriage plays the role of supporting unmanned plane, and the holder camera of unmanned plane
It realizes that 360 ° are taken photo by plane, undercarriage will necessarily be clapped, influence very much using effect in this way.
Invention content
In view of this, the present invention provides a kind of multi-rotor unmanned aerial vehicle arc undercarriage, simple in structure, durable reliable, the arc
Shape undercarriage has the dual function of buffering undercarriage and rotor protective cover, without installing rotor protective cover additional, alleviates nothing
Man-machine own wt reduces flight resistance；Meanwhile arc undercarriage can shrink not influence to take photo by plane and visual angle and has automatically
The advantages that landing and buffering, gravity balance.
The present invention is solved the above problems by following technological means：
A kind of multi-rotor unmanned aerial vehicle arc undercarriage, which is characterized in that including arc undercarriage, mounting seat and tension spring,
The arc undercarriage is articulated with the lower end of mounting seat by hinged shaft, the upper end connection unmanned aerial vehicle rack of the mounting seat
Lower end, the arc undercarriage are connected close to one end of rack by the rack of tension spring and homonymy distal end, the mounting seat
Bottom inside is provided with limited block, limited block of the arc undercarriage under the tensioning function of tension spring on the inside of mounting seat
And it is in vertical state.
Further, further include wheel-retracting gear, the wheel-retracting gear includes rolling pulley, bracing wire and drive
Dynamic motor group, the rolling pulley are arranged in the both sides of rack distal end, and the driving motor group is arranged in the middle part of rack and packet
Driving motor and wire-drawing wheel are included, one end of the bracing wire connects the middle part of the arc undercarriage, and the other end of the bracing wire is logical
It crosses the rolling pulley to be fixed on wire-drawing wheel, the wire-drawing wheel is connected in the shaft of the driving motor.
Further, the wire-drawing wheel includes V-groove idler wheel, and the quantity of V-groove idler wheel is at least three, the bracing wire
One end is fixedly connected on the V-groove idler wheel.
Further, mounting hole is provided on the arc undercarriage, the thickness of the arc undercarriage is by close to installation
The one end in hole is gradually decreased to one end far from mounting hole, forms the arc undercarriage of progressive thickness.
Further, the arc undercarriage is provided with mounting groove, the mounting groove living in the middle part of one end of mounting hole
Inside both sides close to the mounting seat, the bottom rear of the mounting groove is under the action of the tension spring close to the limit
Block.
Further, the arc undercarriage is made by elastic material, and the elastic material includes epoxy resin body
Based carbon fiber material.
Further, the epoxy-resin systems carbon fibre material is made of at least one layer of auxiliary layer material, the auxiliary layer
Material is [(45/-45)fb/(0)5ud/(90)ud]s, wherein fb represents fabric, and ud represents unidirectional cloth.
Further, the arc undercarriage is hollow buffer structure.
Further, the arc undercarriage is hollow rubber buffer structure.
A kind of multi-rotor unmanned aerial vehicle arc undercarriage of the present invention has the advantages that：
The invention discloses a kind of multi-rotor unmanned aerial vehicle arc undercarriages, belong to air vehicle technique field, which rises and falls
Frame includes arc undercarriage, mounting seat and tension spring, and the arc undercarriage is articulated with the lower end of mounting seat, institute by hinged shaft
State the lower end of the upper end connection unmanned aerial vehicle rack of mounting seat, the arc undercarriage close to one end of rack by tension spring with it is same
The rack distal end of side connects, and the bottom inside of the mounting seat is provided with limited block, drawing of the arc undercarriage in tension spring
The limited block on the inside of mounting seat is abutted under tight effect and is in vertical state.The configuration of the present invention is simple, durable reliable, the arc
Undercarriage has the dual function of buffering undercarriage and rotor protective cover, without installing rotor protective cover additional, alleviates nobody
The own wt of machine reduces flight resistance；Meanwhile arc undercarriage can shrink the visual angle and with falling of not influencing to take photo by plane automatically
The advantages that ground buffering, gravity balance.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of first embodiment structural schematic diagram of multi-rotor unmanned aerial vehicle arc undercarriage provided by the invention；
Structural schematic diagram when Fig. 2 is a kind of multi-rotor unmanned aerial vehicle arc gear up provided by the invention；
Fig. 3 is a kind of driving motor group structural schematic diagram of multi-rotor unmanned aerial vehicle arc undercarriage provided by the invention；
Fig. 4 is a kind of arc landing gear structure schematic diagram of multi-rotor unmanned aerial vehicle arc undercarriage provided by the invention；
Fig. 5 is a kind of second embodiment structural schematic diagram of multi-rotor unmanned aerial vehicle arc undercarriage provided by the invention.
Specific implementation mode
In the description of the present invention, it is to be understood that, term "center", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.Art
Language " first ", " second " are used for description purposes only, and are not understood to indicate or imply relative importance or implicitly indicate institute
The quantity of the technical characteristic of instruction." first " is defined as a result, the feature of " second " can explicitly or implicitly include one
Or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Below with reference to attached drawing, the present invention is described in detail.
First embodiment
As shown in Figure 1, a kind of multi-rotor unmanned aerial vehicle arc undercarriage, including arc undercarriage 1, mounting seat 2 and tension spring
3, the arc undercarriage 1 is articulated with the lower end of mounting seat 2 by hinged shaft, and the upper end of the mounting seat 2 connects unmanned plane
The lower end of rack 7, the arc undercarriage 1 is distally connect by tension spring 3 with the rack 7 of homonymy close to one end of rack 7, described
The bottom inside of mounting seat 2 is provided with limited block 201, and the arc undercarriage 1 is under the tensioning function of tension spring 3 against installation
The limited block 201 of 2 inside of pedestal is simultaneously in vertical state.
Further, further include wheel-retracting gear, the wheel-retracting gear includes rolling pulley 4,5 and of bracing wire
Driving motor group 6, the rolling pulley 4 are arranged in the both sides of rack 7 distal end, and the driving motor group 6 is arranged in rack 7
Portion and include driving motor 601 and wire-drawing wheel 602, one end of the bracing wire 5 connects the middle part of the arc undercarriage 1, described
The other end of bracing wire 5 is fixed on by the rolling pulley 4 on wire-drawing wheel 602, and the wire-drawing wheel 602 is connected to the driving electricity
In the shaft of machine 601.
As shown in Fig. 2, after unmanned plane takes off, arc undercarriage 1 realizes receipts under the action of wheel-retracting gear
It puts, 1 one side of arc undercarriage of opening can protect the rotor of unmanned plane, on the other hand not influence uav bottom camera
Or the photography of video camera, realize that 360 ° shoot without dead angle.
As shown in figure 3, the wire-drawing wheel 602 includes V-groove idler wheel, the quantity of V-groove idler wheel is at least three, the drawing
One end of line 5 is fixedly connected on the V-groove idler wheel.
Specifically, what the present embodiment provided is the corresponding V-groove idler wheel of 3 rotor wing unmanned aerial vehicles, due to there was only 3 rotors therefore
Only corresponding 3 arc undercarriages 1 and wheel-retracting gear.The it is proposed V-groove idler wheel of the present invention merges multiple V-groove idler wheels
At one, realizes a driving motor and control all arc undercarriages 1 for 601 group 6, ensure that the consistency of its work, simplify
Structure design.
As shown in figure 4, being provided with mounting hole 101 on the arc undercarriage 1, the thickness of the arc undercarriage 1 is by leaning on
One end of nearly mounting hole 101 is gradually decreased to one end far from mounting hole 101, forms the arc undercarriage 1 of progressive thickness.
Further, the arc undercarriage 1 is provided with mounting groove 102, the work in the middle part of one end of mounting hole 101
The inside both sides of mounting groove 102 are close to the mounting seat 2, the effect of the bottom rear of the mounting groove 102 in the tension spring 3
Under close to the limited block 201.
Further, the arc undercarriage 1 is made by elastic material, and the elastic material includes epoxy resin body
Based carbon fiber material.
Further, the epoxy-resin systems carbon fibre material is made of at least one layer of auxiliary layer material, the auxiliary layer
Material is [(45/-45)fb/(0)5ud/(90)ud]s, wherein fb represents fabric, and ud represents unidirectional cloth.
Further, the arc undercarriage 1 is hollow buffer structure.
Further, the arc undercarriage 1 is hollow rubber buffer structure.
Specifically, arc undercarriage 1 when unmanned plane lands from buffer protection function.
Second embodiment
On the basis of first embodiment, the width, thickness and height of arc undercarriage 1, and root can be rationally adjusted
The quantity of whole arc undercarriage 1 is reduced according to actual conditions.As shown in figure 5, the unmanned plane in the embodiment only there are 2 arcs to rise
Frame 1 is fallen, due to rationally having adjusted the width, thickness and height of arc undercarriage 1, can still realize buffering undercarriage and rotor
The dual function of protective cover.
Need to illustrate is：Arc undercarriage 1 and the quantity of rotor do not have fixed correspondence, different unmanned planes
The scheme of 2,3 or 4 arc undercarriages 1 can according to circumstances be used.
The action process of the present invention：
When unmanned plane is located at ground or landing, the driving motor is failure to actuate for 601 group 6, and arc undercarriage 1 is in tension spring 3
Under the action of against limited block 201 be at vertical state, since arc undercarriage 1 is Varying-thickness structure, bending degree pair
The support force answered is nonlinear, and the degree of bending is bigger, its support force is bigger, therefore when unmanned plane is in tilted road surface,
Arc undercarriage 1 in lower side bears larger pressure, the arc undercarriage 1 in eminence side bears smaller pressure
Power, since the arc undercarriage 1 is the inclined degree that Varying-thickness structure can reduce drone center of unmanned aerial vehicle.Simultaneously because using tension spring
3 limits, can play certain landing cushioning effect.
When unmanned plane takes off, 601 group of 6 work of the driving motor rotates by a certain angle, the drawing being connected on the wheel of bracing wire 5
Line 5 starts to tense the middle part of the arc undercarriage 1 by rolling pulley 4, and arc undercarriage 1 is in mounting seat 2 at this time
Hinged shaft rotation, until arc undercarriage 1 lifts opened with certain angle, 1 one side of arc undercarriage of opening can protect nothing
On the other hand man-machine rotor does not influence the photography of uav bottom camera or video camera, realize that 360 ° shoot without dead angle.
Especially in fall stage, the arc undercarriage 1 of opening can prevent the foreign matters rotor such as branch, electric pole.
It should be noted that the opening angle of arc undercarriage 1 can according to actual conditions by 601 group 6 of driving motor into
Row is adjusted.
The invention discloses a kind of multi-rotor unmanned aerial vehicle arc undercarriages 1, belong to air vehicle technique field, which rises and falls
Frame 1 includes arc undercarriage 1, mounting seat 2 and tension spring 3, and the arc undercarriage 1 is articulated with mounting seat 2 by hinged shaft
Lower end, the lower end of the upper end connection unmanned aerial vehicle rack 7 of the mounting seat 2, the arc undercarriage 1 is close to one end of rack 7
It is distally connect with the rack 7 of homonymy by tension spring 3, the bottom inside of the mounting seat 2 is provided with limited block 201, the arc
Shape undercarriage 1 against the limited block 201 of 2 inside of mounting seat and is in vertical state under the tensioning function of tension spring 3.The present invention
Simple in structure, durable reliable, which has the dual function of buffering undercarriage and rotor protective cover, without
It installs rotor protective cover additional, alleviates the own wt of unmanned plane, reduces flight resistance；Meanwhile arc undercarriage 1 can be automatic
Contraction does not influence to take photo by plane visual angle and has many advantages, such as landing and buffering, gravity balance.
In addition, wheel-retracting gear of the invention realizes undercarriage using idler wheel and nylon cable architecture connected to it
Pack up purpose, which can mitigate the weight of aircraft, increase cruise duration.Simultaneously in replacement and maintenance, also compared with lead screw
Nut is more convenient, and cost also can be much lower.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of multi-rotor unmanned aerial vehicle arc undercarriage, is characterized in that, including arc undercarriage, mounting seat and tension spring, described
Arc undercarriage is articulated with the lower end of mounting seat by hinged shaft, and the upper end of the mounting seat connects under unmanned aerial vehicle rack
End, the arc undercarriage are connected close to one end of rack by the rack of tension spring and homonymy distal end, the bottom of the mounting seat
Limited block is provided on the inside of portion, limited block of the arc undercarriage under the tensioning function of tension spring on the inside of mounting seat is simultaneously
In vertical state.
2. a kind of multi-rotor unmanned aerial vehicle arc undercarriage as described in claim 1, which is characterized in that further include undercarriage control
Mechanism, the wheel-retracting gear include rolling pulley, bracing wire and driving motor group, and the rolling pulley is arranged in rack
Both sides distal end, the driving motor group are arranged at the middle part of rack and include driving motor and wire-drawing wheel, one end of the bracing wire
The middle part of the arc undercarriage is connected, the other end of the bracing wire is fixed on by the rolling pulley on wire-drawing wheel, described
Wire-drawing wheel is connected in the shaft of the driving motor.
3. a kind of multi-rotor unmanned aerial vehicle arc undercarriage as claimed in claim 1 or 2, which is characterized in that the wire-drawing wheel packet
V-groove idler wheel is included, the quantity of V-groove idler wheel is at least three, and one end of the bracing wire is fixedly connected on the V-groove idler wheel
On.
4. a kind of multi-rotor unmanned aerial vehicle arc undercarriage as claimed in claim 3, which is characterized in that on the arc undercarriage
It is provided with mounting hole, the thickness of the arc undercarriage close to one end of mounting hole to one end far from mounting hole from gradually subtracting
It is few, form the arc undercarriage of progressive thickness.
5. a kind of multi-rotor unmanned aerial vehicle arc undercarriage as claimed in claim 4, which is characterized in that the arc undercarriage leans on
It is provided with mounting groove in the middle part of one end of nearly mounting hole, the inside both sides of the mounting groove living are close to the mounting seat, the peace
The bottom rear of tankage is under the action of the tension spring close to the limited block.
6. a kind of multi-rotor unmanned aerial vehicle arc undercarriage as claimed in claim 5, which is characterized in that the arc undercarriage by
Elastic material is made, and the elastic material includes epoxy-resin systems carbon fibre material.
7. a kind of multi-rotor unmanned aerial vehicle arc undercarriage as claimed in claim 6, which is characterized in that the epoxy-resin systems
Carbon fibre material is made of at least one layer of auxiliary layer material, and the auxiliary layer material is [(45/-45)fb/(0)5ud/(90)ud]s,
Middle fb represents fabric, and ud represents unidirectional cloth.
8. a kind of multi-rotor unmanned aerial vehicle arc undercarriage as claimed in claim 5, which is characterized in that the arc undercarriage is
Hollow buffer structure.
9. a kind of multi-rotor unmanned aerial vehicle arc undercarriage as claimed in claim 8, which is characterized in that the arc undercarriage is
Hollow rubber buffer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061673.1A CN108357666A (en) | 2017-01-26 | 2017-01-26 | A kind of multi-rotor unmanned aerial vehicle arc undercarriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061673.1A CN108357666A (en) | 2017-01-26 | 2017-01-26 | A kind of multi-rotor unmanned aerial vehicle arc undercarriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108357666A true CN108357666A (en) | 2018-08-03 |
Family
ID=63011402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061673.1A Pending CN108357666A (en) | 2017-01-26 | 2017-01-26 | A kind of multi-rotor unmanned aerial vehicle arc undercarriage |
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| Country | Link |
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| CN (1) | CN108357666A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167321A (en) * | 2018-10-24 | 2019-01-08 | 中国石油大学(华东) | A kind of novel deicing unmanned plane |
| CN109305335A (en) * | 2018-11-05 | 2019-02-05 | 深圳市金鑫城纸品有限公司 | One kind being based on the retractable unmanned plane of mechanically operated undercarriage |
| CN109305333A (en) * | 2018-11-05 | 2019-02-05 | 深圳市金鑫城纸品有限公司 | A kind of retractable unmanned plane of undercarriage |
| CN109455293A (en) * | 2018-12-24 | 2019-03-12 | 长安大学 | A kind of multi-rotor unmanned aerial vehicle undercarriage and its control method with from steady function |
| CN110979681A (en) * | 2019-12-30 | 2020-04-10 | 南京航空航天大学 | Long-endurance rotor unmanned aerial vehicle for monitoring and managing farming activities |
| CN112319782A (en) * | 2020-10-13 | 2021-02-05 | 盐城骏拔汽车零部件有限公司 | Self-balancing unmanned aerial vehicle foot stand and balancing method thereof |
| CN114261296A (en) * | 2021-12-15 | 2022-04-01 | 北京特种机械研究所 | Emergent charging device of hanging wire formula unmanned aerial vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167321A (en) * | 2018-10-24 | 2019-01-08 | 中国石油大学(华东) | A kind of novel deicing unmanned plane |
| CN109305335A (en) * | 2018-11-05 | 2019-02-05 | 深圳市金鑫城纸品有限公司 | One kind being based on the retractable unmanned plane of mechanically operated undercarriage |
| CN109305333A (en) * | 2018-11-05 | 2019-02-05 | 深圳市金鑫城纸品有限公司 | A kind of retractable unmanned plane of undercarriage |
| CN109455293A (en) * | 2018-12-24 | 2019-03-12 | 长安大学 | A kind of multi-rotor unmanned aerial vehicle undercarriage and its control method with from steady function |
| CN110979681A (en) * | 2019-12-30 | 2020-04-10 | 南京航空航天大学 | Long-endurance rotor unmanned aerial vehicle for monitoring and managing farming activities |
| CN112319782A (en) * | 2020-10-13 | 2021-02-05 | 盐城骏拔汽车零部件有限公司 | Self-balancing unmanned aerial vehicle foot stand and balancing method thereof |
| CN114261296A (en) * | 2021-12-15 | 2022-04-01 | 北京特种机械研究所 | Emergent charging device of hanging wire formula unmanned aerial vehicle |
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Application publication date: 20180803 |