CN204270115U - The special flight control system of a kind of plant protection unmanned plane - Google Patents
The special flight control system of a kind of plant protection unmanned plane Download PDFInfo
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- CN204270115U CN204270115U CN201420685049.0U CN201420685049U CN204270115U CN 204270115 U CN204270115 U CN 204270115U CN 201420685049 U CN201420685049 U CN 201420685049U CN 204270115 U CN204270115 U CN 204270115U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to the special flight control system of a kind of plant protection unmanned plane, and comprise unmanned plane plant protection comprehensive management module, Altitude control submodule, waypoint navigation control submodule, spraying controls submodule.The interactive functions such as plant protection comprehensive management module management waypoint navigation, spraying operation, flight altitude control and job parameter setting; Altitude control submodule measures the distance of unmanned plane distance crop canopies, and keeps the operation height of unmanned plane, reduces the droplet drift of natural wind impact and generation, ensure that operation effectiveness; Waypoint navigation controls submodule makes unmanned plane along presetting operation Route reform, accomplishes precision navigation; The job position that spraying controls submodule foundation unmanned plane controls plant protection operation switch in real time, effectively avoids the drain spray of agricultural chemicals and resprays.Present invention achieves the autonomous flight control of plant protection unmanned plane, the driving decoupling zero Guarantee control system of vertical lift and horizontal thrust simple and reliable, alleviate the labour intensity of operating personnel, avoid agricultural chemicals drain spray or respray.
Description
Technical field
The utility model belongs to agricultural aviation plant protection field, relate to a kind of flight control system for driving decoupling zero plant protection unmanned aerial vehicle platform, make it the flight route possessed along presetting and carry out plant protection operation, keep operation height, avoid occurring agricultural chemicals drain spray, respray or serious droplet drift.
Technical background
Compared with traditional field artificial spray agricultural chemicals operation, plant protection unmanned plane has been sprayed insecticide obviously advantage: unmanned plane operating efficiency is high, the harm of agricultural chemicals to operating personnel is less, significantly reduce the labour intensity of operating personnel, droplet drift is few, and the penetrability of spray to crops is obviously strengthened, good to disease pest and weed prevention effect, unmanned plane does not need special lifting place, and mobility is good.Also Tendency of Agricultural Machinery in China, digitized development process have been promoted simultaneously.
During the dispenser of plant protection unmanned plane, steady low-speed operations on the high-altitude apart from crop 2 ~ 3 meters need be stabilized in and spray liquid.Current plant protection unmanned plane many employings RC Goblin or many rotor wing unmanned aerial vehicles are as job platform.Depopulated helicopter complex structure, vertical lift and horizontal thrust coupled problem is there is in its flight course, increase the complicacy of helicopter physical construction and control algolithm on the one hand, also improve the complicacy of its remote operating on the other hand, therefore need to carry out professional training to no-manned machine distant control person.Many rotor wing unmanned aerial vehicles are as plant protection operation platform, and its load-carrying is little relative to helicopter many, and main cause have employed multiple small size screw propeller, and efficiency is low, and due to power supply can not be excessive, its continuous operation time is shorter.Therefore need in many rotor wing unmanned aerial vehicles operation process repeatedly return dosing and change battery, inefficiency, also result in the waste of the energy.
The unmanned aerial vehicle platform of decoupling zero is driven effectively to solve an existing unmanned plane complex structure, operating difficulties, the problem that load is low.So-called drive decoupling zero plant protection unmanned aerial vehicle platform only to need to realize vertical elevating movement, certain flying height under plane motion.Unmanned aerial vehicle platform lifting in height only provides lift by the large rotor of its vertical, and unmanned aerial vehicle platform only provides thrust by the little rotor in two, left and right relative to the motion of fuselage fore-and-aft direction, unmanned aerial vehicle platform only provides thrust by former and later two little rotors relative to the motion of fuselage left and right directions, and therefore the driving force of this unmanned aerial vehicle platform is full decoupled.This platform has greatly adapted to the job requirements of unmanned plane as professional plant protection platform.
Existing plant protection unmanned plane is manual remote control operation mostly, and be not with automated navigation system, the poor accuracy of spray liquid, drain spray phenomenon happens occasionally.And carry out plant protection operation based on the system for flight control computer control unmanned plane of GPS navigation along the flight route preset, but the Error of fairway easily occurred in its plant protection process or operation height instability, thus greatly affect plant protection operation effect, very easily cause agricultural chemicals drain spray, respray or droplet drift serious.Existing system for flight control computer cannot adapt to drive the unmanned aerial vehicle platform of decoupling zero to carry out the demand of plant protection operation, thus directly cannot configure and be applied on this type of plant protection unmanned plane driving decoupling zero as its plant protection flight control system.
In sum, for existing plant protection unmanned plane Problems existing and deficiency, invent a kind of flight control system for low cost, high capacity, driving decoupling zero plant protection unmanned plane and there is very important practical significance.
Summary of the invention
For the deficiency that existing various plant protection unmanned aerial vehicle platform exists, overcome existing flying and control the plant protection unmanned aerial vehicle platform that navigational system cannot directly apply to driving decoupling zero, the utility model provides a kind of flight control system being suitable for driving decoupling zero plant protection unmanned aerial vehicle platform, and the work route making it not only to possess foundation setting is navigated, and in operation process, unmanned plane is made to keep the feature of predetermined spray medicine height.
The technical scheme that the special flight control system of a kind of plant protection of the utility model unmanned plane adopts: comprise unmanned plane plant protection comprehensive management module, Altitude control submodule, waypoint navigation control submodule, spraying controls submodule.Described unmanned plane plant protection comprehensive management module as the core of whole unmanned aerial vehicle (UAV) control, management waypoint navigation control submodule, spraying operation control submodule, flight altitude control submodule message exchange and realize the human-computer interaction functions such as job parameter setting.Described Altitude control submodule can measure the distance of unmanned plane distance crop canopies, and adjustment unmanned plane vertical lift makes it to be stabilized on operation height in real time.Described waypoint navigation controls submodule makes unmanned plane along presetting operation Route reform, can adjust the Error of fairway occurred in flight course at any time simultaneously, accomplish precision navigation.The job position that described spraying controls submodule foundation plant protection unmanned plane controls plant protection operation switch in real time, effectively avoids the drain spray of agricultural chemicals and resprays.
Described unmanned plane plant protection comprehensive management module, comprises and flies to control processing unit, information receiving unit, control information output unit.The described control processing unit that flies selects dsp processor, and this integrated chip has abundant peripheral interface, possess floating-point operation ability, computational accuracy high, can improve control output accuracy.Described information receiving unit comprises elevation information input interface, flight information input interface, wireless transport module and wireless messages input interface.Described control information output unit comprises Altitude control information output interface, flight attitude adjustment information output interface and spraying control information output interface.Described elevation information input interface adopts UART interface and flies to control processing unit communication.The SPI interface of described flight information input interface with fly to control processing unit communication.Described wireless transport module through wireless messages input interface with fly to control processing unit and carry out telecommunication.
Described Altitude control submodule comprises ultrasound wave height measuring device and height control unit.Described ultrasound height measurement device unmanned plane and the actual range of crop canopies, that is to say the flying height measuring unmanned plane.Described height control unit comprises throttle steering wheel, engine, large rotor.Described throttle steering wheel utilizes surveys high sensing unit feedack adjustment engine throttle size, controls outputting power size, and then controls the rotational speed of large rotor, adjustment unmanned plane vertical to lift.Survey high sensing unit through elevation information input interface enter fly control processing unit, after flying the calculating of control processing unit, then export controling parameters through Altitude control information output interface, control the throttle size of throttle steering wheel, to control large rotor-speed, and then adjustment unmanned plane height.
Described waypoint navigation controls submodule and comprises flight parameter sensing unit and flight attitude adjustment unit.Described flight parameter sensing unit comprises GPS device, 6 axle motion process assembly and electronic compasss.Described GPS device is sent into by flight information input interface and is flown to control processing unit, and GPS device obtains locus and the airspeed information of unmanned plane, carries out operation for controlling unmanned plane along predetermined air route.6 described axle motion process assemblies are 3 axle gyroscopes and 3 axle accelerator instrument composite modules, for the accekeration of the deflection angle and three translation freedoms of measuring three rotary freedoms in unmanned plane space.Described electronic compass utilizes built-in magnetoresistive effect sensor, for determining the absolute course angle in unmanned plane relatively magnetic field.6 described axle motion process assemblies and electronic compass adopt MEMS sensor, and each sensor signal flies to control processing unit by being sent into by flight information input interface after AD conversion.To pose adjustment module and left and right to pose adjustment module before and after described flight attitude adjustment unit is divided into, each module includes its corresponding electron speed regulator in fuselage both sides, motor and little rotor.Described electron speed regulator is connected with motor, and the size and Orientation change of the motor drive current that motor exports along with electron speed regulator changes the rotating speed of motor and turns to, little rotor and the coaxial connection of motor, produces different thrust and drives unmanned plane adjustment flight attitude.Described flight parameter sensing unit enters through flight information input interface and flies to control processing unit, fly control processing unit to calculate according to flight parameter sensing unit acquisition unmanned plane GPS position information and attitude information, draw UAV Attitude adjustment parameter, controling parameters is exported again through flight attitude adjustment information output interface, change the output current size and Orientation of electron speed regulator, to control little rotor-speed, and then adjust flight attitude and the horizontal velocity of unmanned plane.
Described spraying controls submodule and comprises relay, electric diaphragm pump and jet head sets.Described relay is connected with electric diaphragm pump, for controlling electric diaphragm pump switch.Described electric diaphragm pump is connected with jet head sets by drug liquid tube, for being pumped from spray tank by liquid.Described jet head sets is used for medical liquid atomizing to be sprayed onto in the air, then carries droplet secretly to crop surface by the downwash flow of unmanned plane.Described spraying control information output interface is connected with relay, fly control processing unit according to whether arriving the control that spray area carries out relay switch, thus whether control electric diaphragm pump carries out spraying operation.
The control flow of the special flight control system of a kind of plant protection unmanned plane is as follows:
1) the spraying RTE DATA of the flying height that preset by wireless messages input interface satellite receiver of plant protection unmanned aerial vehicle platform and planning, is stored in and flies in control processing unit.
2) starting engine, throttle servos control throttle size, large rotor accelerates to rotate, unmanned plane steadily takes off, ultrasound wave height measuring device is started working simultaneously, constantly unmanned plane elevation information is overhead fed back to unmanned plane and fly control, throttle steering wheel controls engine throttle size according to fed back elevation information, maintains the certain rotating speed of large rotor and makes unmanned plane be stabilized in operation height.
3) GPS device real-time position information is fed back to unmanned plane fly control processing unit, waypoint navigation controls submodule 4 electron speed regulators and controls output current size according to the route information of feedback, making 4 corresponding little rotors start to rotate with turning to different rotating speeds respectively, driving unmanned plane to fly along work route.The little rotor in left and right controls unmanned plane and moves (by A to B) along crop row, and the little rotor in front and back controls unmanned plane transverse shifting and carries out line feed operation (by B to C).
4) when unmanned plane runs to specified altitude assignment and assigned address, Control electric diaphragm pump is started working, and shower nozzle starts to spray medicine, if do not meet spray medicine position, stops operation, until unmanned plane adjusts to job position carry out operation again.
A kind of control system of decoupling zero plant protection unmanned plane and beneficial effect of control method of driving of the utility model is:
1) achieve and drive the flight of decoupling zero plant protection unmanned plane to control, the driving decoupling zero Guarantee control system of vertical lift and horizontal thrust simple and reliable.；
2) the taking off of plant protection unmanned plane, operation and landing whole process implementation autonomous flight, the flight route possessed along presetting carries out plant protection operation, can tackle various complicated landform, alleviate the labour intensity of remote operating personnel, avoid agricultural chemicals drain spray or respray;
3) the unmanned function of plant protection keeps operation height, reduces the impact due to natural wind in spraying operation, thus the serious droplet drift produced, ensure that operation effectiveness;
4), in operation process, spraying control is relatively stricter, avoids the waste of liquid, decreases the pollution to environment simultaneously.
Accompanying drawing explanation
Fig. 1 is control flow chart of the present utility model;
Fig. 2 is Altitude control link of the present utility model;
Fig. 3 is Heading control link of the present utility model;
Fig. 4 is speeds control link of the present utility model;
Fig. 5 is gesture stability link of the present utility model;
Fig. 6 is farm work figure of the present utility model.
In figure: 1, GPS device 2, ultrasound wave height measuring device 3, electronic compass 4, six axle motion process assembly 5, throttle steering wheel 6, engine 7, large rotor 8, relay 9, electric diaphragm pump 10, jet head sets
Embodiment
Below in conjunction with accompanying drawing, the utility model patent is described further.The technical scheme that the special flight control system of a kind of plant protection of the utility model unmanned plane adopts: comprise unmanned plane plant protection comprehensive management module, Altitude control submodule, waypoint navigation control submodule, spraying controls submodule.Described unmanned plane plant protection comprehensive management module as the control core of whole unmanned aerial vehicle (UAV) control, management waypoint navigation control submodule, spraying operation control submodule, flight altitude control submodule message exchange and realize the human-computer interaction functions such as job parameter setting.Described Altitude control submodule can measure the distance of unmanned plane distance crop canopies, and adjustment unmanned plane vertical lift makes it to be stabilized on operation height in real time.Described waypoint navigation controls submodule makes unmanned plane along presetting operation Route reform, can adjust the Error of fairway occurred in flight course at any time simultaneously, accomplish precision navigation.The job position that described spraying controls submodule foundation plant protection unmanned plane controls plant protection operation switch in real time, effectively avoids the drain spray of agricultural chemicals and resprays.
Described unmanned plane plant protection comprehensive management module, comprises and flies to control processing unit, information receiving unit, control information output unit.The described control processing unit that flies selects dsp processor, and this integrated chip has abundant peripheral interface, possess floating-point operation ability, computational accuracy high, can improve control output accuracy.Described information receiving unit comprises elevation information input interface, flight information input interface, wireless transport module and wireless messages input interface.Described control information output unit comprises Altitude control information output interface, flight attitude adjustment information output interface and spraying control information output interface.Described elevation information input interface adopts UART interface and flies to control processing unit communication.The SPI interface of described flight information input interface with fly to control processing unit communication.Described wireless transport module through wireless messages input interface with fly to control processing unit and carry out telecommunication.
Described Altitude control submodule comprises ultrasound wave height measuring device (2) and height control unit.Described ultrasound wave height measuring device (2) measures the actual range of unmanned plane and crop canopies, that is to say the flying height measuring unmanned plane.Described height control unit comprises throttle steering wheel (5), engine (6), large rotor (7).The utilization of described throttle steering wheel (5) surveys high sensing unit feedack adjustment engine (6) throttle size, controls outputting power size, and then controls the rotational speed of large rotor (7), adjustment unmanned plane vertical to lift.Survey high sensing unit through elevation information input interface enter fly control processing unit, after flying the calculating of control processing unit, controling parameters is exported again through Altitude control information output interface, control the throttle size of throttle steering wheel (5), to control large rotor (7) speed, and then adjustment unmanned plane height.
Described waypoint navigation controls submodule and comprises flight parameter sensing unit and flight attitude adjustment unit.Described flight parameter sensing unit comprises GPS device (1), 6 axle motion process assemblies (4) and electronic compass (3).Described GPS device (1) is sent into by flight information input interface and is flown to control processing unit, and GPS device (1) obtains locus and the airspeed information of unmanned plane, carries out operation for controlling unmanned plane along predetermined air route.6 described axle motion process assemblies (4) are 3 axle gyroscopes and 3 axle accelerator instrument composite modules, for the accekeration of the deflection angle and three translation freedoms of measuring three rotary freedoms in unmanned plane space.Described electronic compass (3) utilizes built-in magnetoresistive effect sensor, for determining the absolute course angle in unmanned plane relatively magnetic field.6 described axle motion process assemblies (4) and electronic compass (3) adopt MEMS sensor, and each sensor signal flies to control processing unit by being sent into by flight information input interface after AD conversion.To pose adjustment module and left and right to pose adjustment module before and after described flight attitude adjustment unit is divided into, each module includes its corresponding electron speed regulator in fuselage both sides, motor and little rotor.Described electron speed regulator is connected with motor, and the size and Orientation change of the motor drive current that motor exports along with electron speed regulator changes the rotating speed of motor and turns to, little rotor and the coaxial connection of motor, produces different thrust and drives unmanned plane adjustment flight attitude.Described flight parameter sensing unit enters through flight information input interface and flies to control processing unit, fly to control unmanned plane GPS location and attitude information that processing unit obtains according to flight parameter sensing unit and fly to control the UAV Attitude that processing unit calculates and adjust parameter, controling parameters is exported again through flight attitude adjustment information output interface, change the output current size and Orientation of electron speed regulator, to control little rotor-speed, and then adjust flight attitude and the horizontal velocity of unmanned plane.
Described spraying controls submodule and comprises relay (8), electric diaphragm pump (9) and jet head sets (10).Described relay (8) is connected with electric diaphragm pump (9), for controlling electric diaphragm pump (9) switch.Described electric diaphragm pump (9) is connected with jet head sets (10), for being pumped from spray tank by liquid by drug liquid tube.Described jet head sets (10) for being sprayed onto in the air by medical liquid atomizing, then carries droplet secretly to crop surface by the downwash flow of unmanned plane.Described spraying control information output interface is connected with relay (8), fly control processing unit according to whether arriving the control that spray area carries out relay (8) switch, thus whether control electric diaphragm pump (9) carries out spraying operation.
A kind of control method of the control system for driving decoupling zero plant protection unmanned aerial vehicle platform:
1) the practical flight elevation information that pre-set flight elevation information and the high sensing unit of survey obtain compares by the Altitude control submodule described in, Altitude control instruction is produced by adopting pid control algorithm, change throttle steering wheel (5) controling parameters of height control unit, thus control the rotational speed of large rotor (7), the lift of adjustment unmanned plane vertical.
2) plant protection unmanned aerial vehicle platform is before operation starts, the flying height preset by wireless messages input interface satellite receiver and the spraying RTE DATA of planning, is stored in and flies in control processing unit.Described waypoint navigation controls submodule and the actual position information that the target position information in the spraying air route of planning and GPS device (1) or flight parameter sensing unit obtain is compared, produce gesture stability instruction and horizontal velocity steering order, unmanned plane is made to adjust the Error of fairway occurred in flight course at any time, make actual flight path meet predetermined air route, accomplish precision navigation.
According to the feature alignd with crop row in plant protection operation path, the rectilinear motion that the horizontal velocity of described driving decoupling zero unmanned aerial vehicle platform controls only to relate to relative fuselage fore-and-aft direction and left and right directions controls; The gesture stability of described driving decoupling zero unmanned aerial vehicle platform only relates to the rotary motion control of relative vertical axis, aims at planning direction, course to be adjusted to by fuselage fore-and-aft direction.
Described driving decoupling zero unmanned aerial vehicle platform controls only to provide the front and back of horizontal direction to control to thrust by the little rotor in two, left and right relative to the horizontal velocity of fuselage fore-and-aft direction; Described driving decoupling zero unmanned aerial vehicle platform controls only to provide the left and right of horizontal direction to control to thrust by former and later two little rotors relative to the horizontal velocity of fuselage left and right directions; Described waypoint navigation controls submodule and the real standard speed that the GPS device (1) in setting horizontal velocity and flight parameter sensing unit and 3 axle accelerator instrument obtain is compared, horizontal velocity steering order is produced by adopting pid control algorithm, change the size of current of electron speed regulator, thus change the little Rotor thrust of fore-and-aft direction or left and right directions, final adjustment horizontal flight speed.
Described driving decoupling zero unmanned aerial vehicle platform can be controlled with the contrary rotary torque provided that turns to by the little rotor in left and right relative to the rotary motion of vertical axis.Described waypoint navigation controls submodule and is compared at the actual heading angle that 3 axle gyroscopes in the flight course of the unmanned plane of setting and flight parameter sensing unit and electronic compass (3) obtain, pose adjustment steering order is produced by adopting pid control algorithm, change the size of current of electron speed regulator corresponding to the fuselage left and right sides, thus change the thrust of the little rotor in the left and right sides, the actual heading of final adjustment unmanned plane during flying.
When drive decoupling zero unmanned aerial vehicle platform to be disturbed the interference of wind or horizontal flight are accelerated time there will be fuselage out of trim slightly, namely body nodal point is not on large rotor (7) axis, described waypoint navigation controls submodule and the gyrostatic Monitoring Data of 3 axle according to flight parameter sensing unit is compared with unmanned plane vertical plane inclination angle, if its value exceedes setting threshold value, then by adopting pid control algorithm, produce pose adjustment steering order, change the size of current of electron speed regulator corresponding to the fuselage left and right sides, thus change the thrust of the little rotor in both sides, back and forth or left and right, normal range is got back at its vertical plane inclination angle of final adjustment.
3) when the locating information of the unmanned plane that the spraying control submodule described in obtains according to GPS device (1) and elevation information judge that unmanned plane arrives the spray medicine height and position of specifying, by spraying control information output interface turn-on relay (8), electric diaphragm pump (9) is started working, and shower nozzle starts to spray medicine operation.
A kind of control flow of the control system for driving decoupling zero plant protection unmanned aerial vehicle platform is as follows:
1) the spraying RTE DATA of the flying height that preset by wireless messages input interface satellite receiver of plant protection unmanned aerial vehicle platform and planning, is stored in and flies in control processing unit.
2) starting engine (6), throttle steering wheel (5) controls throttle size, large rotor (7) accelerates to rotate, unmanned plane steadily takes off, ultrasound wave height measuring device (2) is started working simultaneously, constantly unmanned plane elevation information is overhead fed back to unmanned plane and fly control, throttle steering wheel (5) controls engine (6) throttle size according to fed back elevation information, and the rotating speed maintaining large rotor (7) certain makes unmanned plane be stabilized in operation height.
3) GPS device real-time position information is fed back to unmanned plane fly control processing unit, waypoint navigation controls submodule 4 electron speed regulators and controls output current size according to the route information of feedback, making 4 corresponding little rotors start to rotate with turning to different rotating speeds respectively, driving unmanned plane to fly along work route.The little rotor in left and right controls unmanned plane and moves (by A to B) along crop row, and the little rotor in front and back controls unmanned plane transverse shifting and carries out line feed operation (by B to C).
4) when unmanned plane runs to specified altitude assignment and assigned address, relay (8) controls electric diaphragm pump (9) and starts working, shower nozzle starts to spray medicine, if do not meet spray medicine position, stops operation, until unmanned plane adjusts to job position carry out operation again.
Claims (1)
1. the special flight control system of plant protection unmanned plane, is characterized in that: comprise unmanned plane plant protection comprehensive management module, Altitude control submodule, waypoint navigation control submodule, spraying controls submodule; Described unmanned plane plant protection comprehensive management module as the control core of whole unmanned aerial vehicle (UAV) control, management waypoint navigation control submodule, spraying operation control submodule, flight altitude control submodule message exchange and realize the human-computer interaction functions such as job parameter setting; Described Altitude control submodule can measure the distance of unmanned plane distance crop canopies, and adjustment unmanned plane vertical lift makes it to be stabilized on operation height in real time; Described waypoint navigation controls submodule makes unmanned plane along presetting operation Route reform, can adjust the Error of fairway occurred in flight course at any time simultaneously, accomplish precision navigation; The job position that described spraying controls submodule foundation plant protection unmanned plane controls plant protection operation switch in real time, effectively avoids the drain spray of agricultural chemicals and resprays;
Described unmanned plane plant protection comprehensive management module, comprises and flies to control processing unit, information receiving unit, control information output unit; The described control processing unit that flies selects dsp processor; Described information receiving unit comprises elevation information input interface, flight information input interface, wireless transport module and wireless messages input interface; Described control information output unit comprises Altitude control information output interface, flight attitude adjustment information output interface and spraying control information output interface; Described elevation information input interface adopts UART interface and flies to control processing unit communication; The SPI interface of described flight information input interface with fly to control processing unit communication; Described wireless transport module through wireless messages input interface with fly to control processing unit and carry out telecommunication;
Described Altitude control submodule comprises ultrasound wave height measuring device and height control unit; Described ultrasound height measurement device unmanned plane and the actual range of crop canopies; Described height control unit comprises throttle steering wheel, engine, large rotor; Described throttle steering wheel utilizes surveys high sensing unit feedack adjustment engine throttle size, controls outputting power size, and then controls the rotational speed of large rotor, adjustment unmanned plane vertical to lift; Survey high sensing unit through elevation information input interface enter fly control processing unit, after flying the calculating of control processing unit, then export controling parameters through Altitude control information output interface, control the throttle size of throttle steering wheel, to control large rotor-speed, and then adjustment unmanned plane height;
Described waypoint navigation controls submodule and comprises flight parameter sensing unit and flight attitude adjustment unit; Described flight parameter sensing unit comprises GPS device, 6 axle motion process assembly and electronic compasss; Described GPS device is sent into by flight information input interface and is flown to control processing unit, and GPS device obtains locus and the airspeed information of unmanned plane, carries out operation for controlling unmanned plane along predetermined air route; 6 described axle motion process assemblies are 3 axle gyroscopes and 3 axle accelerator instrument composite modules, for the accekeration of the deflection angle and three translation freedoms of measuring three rotary freedoms in unmanned plane space; Described electronic compass utilizes built-in magnetoresistive effect sensor, for determining the absolute course angle in unmanned plane relatively magnetic field; 6 described axle motion process assemblies and electronic compass adopt MEMS sensor, and each sensor signal flies to control processing unit by being sent into by flight information input interface after AD conversion; To pose adjustment module and left and right to pose adjustment module before and after described flight attitude adjustment unit is divided into, each module includes its corresponding electron speed regulator in fuselage both sides, motor and little rotor; Described electron speed regulator is connected with motor, and the size and Orientation change of the motor drive current that motor exports along with electron speed regulator changes the rotating speed of motor and turns to, little rotor and the coaxial connection of motor, produces different thrust and drives unmanned plane adjustment flight attitude; Described flight parameter sensing unit enters through flight information input interface and flies to control processing unit, fly control processing unit to calculate according to flight parameter sensing unit acquisition unmanned plane GPS position information and attitude information, draw UAV Attitude adjustment parameter, controling parameters is exported again through flight attitude adjustment information output interface, change the output current size and Orientation of electron speed regulator, to control little rotor-speed, and then adjust flight attitude and the horizontal velocity of unmanned plane;
Described spraying controls submodule and comprises relay, electric diaphragm pump and jet head sets; Described relay is connected with electric diaphragm pump, for controlling electric diaphragm pump switch; Described electric diaphragm pump is connected with jet head sets by drug liquid tube; Described spraying control information output interface is connected with relay, fly control processing unit according to whether arriving the control that spray area carries out relay switch, thus whether control electric diaphragm pump carries out spraying operation.
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2014
- 2014-11-14 CN CN201420685049.0U patent/CN204270115U/en not_active Expired - Fee Related
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