CN109451963A - Weeding cutter height adjusting system - Google Patents
Weeding cutter height adjusting system Download PDFInfo
- Publication number
- CN109451963A CN109451963A CN201811611000.XA CN201811611000A CN109451963A CN 109451963 A CN109451963 A CN 109451963A CN 201811611000 A CN201811611000 A CN 201811611000A CN 109451963 A CN109451963 A CN 109451963A
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- China
- Prior art keywords
- equipment
- image
- specific aim
- weeding cutter
- height adjusting
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/74—Cutting-height adjustment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/50—Extraction of image or video features by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
Abstract
The present invention relates to a kind of weeding cutter height adjusting systems, comprising: weeder main structure, including handle, Oil Switch, oil can, hand handle, engine, carrying handle, mud guard, weeding cutter, throttle line and flame-out line；The bottom end of the handle is connect with the top of the hand handle, and the junction of the hand handle and the handle is arranged in the Oil Switch；The lower section of the transmitter is arranged in the oil can, and the Oil Switch is connect with the throttle line and the flame-out line respectively；The lower section of the engine is arranged in the carrying handle, and the lower section of the carrying handle is arranged in the mud guard, and the engine is connect with the throttle line and the flame-out line respectively；Height adjusting apparatus is connect with length measurement device and weeding cutter respectively, for adjusting the real-time height of the weeding cutter based on the reference length received.Through the invention, the single herbicidal effect of weeding cutter is improved.
Description
Technical field
The present invention relates to weeder field more particularly to a kind of weeding cutter height adjusting systems.
Background technique
Weeder is otherwise known as grass mower, grass trimmer, lawn mower etc..Weeder is a kind of for cutting the grass on a lawn, planting
The machine tool waited, it is made of cutterhead, engine, traveling wheel, walking mechanism, blade, handrail, control section.
Cutterhead is equipped with engine, blade is housed on the output shaft of engine, blade utilizes hair on traveling wheel on cutterhead
The high speed rotation of motivation improves much in terms of speed, saves the activity duration of weeding worker, reduces a large amount of manpower money
Source.
Summary of the invention
In order to solve the technical issues of weeding cutter mounting height of weeder in the prior art can not be adjusted adaptively, this
Invention provides a kind of weeding cutter height adjusting system.
The present invention at least has the important inventive point of following two:
(1) statistical analysis is executed to the cursive script length in front of mud guard bottom end, adjusts weeding when with based on analysis fructufy
The mounting height of cutter improves the single herbicidal effect of weeding cutter to reduce the workload of weeding cutter；
(2) in the identification of specific cursive script, the under-exposure degree of image and standard picture to be processed is extracted respectively, to acquisition
Under-exposure degree carries out numerical analysis to select adaptive histogram equalization strategy for completing to the adaptive of image to be processed
Equalization processing.
According to an aspect of the present invention, a kind of weeding cutter height adjusting system is provided, the system comprises:
Weeder main structure, including handle, Oil Switch, oil can, hand handle, engine, carrying handle, mud guard, weeding cutter,
Throttle line and flame-out line；Wherein, the bottom end of the handle and the hand handle
Top connection, the junction of the hand handle and the handle is arranged in the Oil Switch.
More specifically, in the weeding cutter height adjusting system: the lower section of the transmitter is arranged in the oil can,
The Oil Switch is connect with the throttle line and the flame-out line respectively.
More specifically, in the weeding cutter height adjusting system: the lower section of the engine is arranged in the carrying handle,
The lower section of the carrying handle is arranged in the mud guard, and the engine is connect with the throttle line and the flame-out line respectively.
More specifically, in the weeding cutter height adjusting system, further includes:
Height adjusting apparatus is connect with length measurement device and weeding cutter respectively, for based on the reference length received
Degree adjusts the real-time height of the weeding cutter；In the height adjusting apparatus, institute is adjusted based on the reference length received
State weeding cutter highly includes: that the reference length that receives is longer in real time, and the weeding cutter of adjusting is highly got in real time
It is high；Dot matrix camera, is arranged on the mud guard and close to the bottom end of the mud guard, for the bottom end to the mud guard
Front carry out camera operation, to obtain corresponding mud guard bottom end image, and export mud guard bottom end image；Parameter obtains
Equipment is taken, is connect with the dot matrix camera, for receiving mud guard bottom end image, mud guard bottom end image is held
Degree parsing that row is under-exposure, to obtain the first under-exposure degree, is also used to receive the Lai Natu, executes to the Lai Natu under-exposure
Degree parsing, to obtain the second under-exposure degree；Parameter compares equipment, connect respectively with the parameter acquisition device, for receiving
The first under-exposure degree and the described second under-exposure degree are stated, and is more than or equal to the described first under-exposure degree in the described second under-exposure degree
When, the first control instruction is issued, when more than the three times that the described first under-exposure degree is the described second under-exposure degree, issues third
Control instruction, and the described first under-exposure degree be the three times of the described second under-exposure degree between two times when, issue second
Control instruction；Specific aim processing equipment, equipment connects compared with the parameter, for receiving second control instruction
When, activate histogram treatment equipment with to mud guard bottom end image execute single histogram equalization processing, and obtain and it is defeated
Corresponding specific aim handles image out, is also used to when receiving the third control instruction, activate histogram treatment equipment with
Multiple histogram equalization processing is executed to mud guard bottom end image, and obtains and export corresponding specific aim processing image；
Histogram treatment equipment is handled for executing single or multiple histogram equalizations to input picture in state of activation, inactive
State stops executing input picture single or multiple histogram equalizations processing；Cursive script identifies equipment, with specific aim processing
Equipment connection identifies the specific aim processing image based on cursive script imaging features for receiving the specific aim processing image
In each cursive script object respectively where each cursive script pattern；Length measurement device connect with cursive script identification equipment, uses
In the length for measuring solid corresponding to each cursive script pattern, and most by each length in each cursive script pattern
Big value is exported as reference length；Wherein, in the height adjusting apparatus, based on the reference length that receives adjust described in remove
Careless cutter in real time highly include: adjusting the weeding cutter real-time height be the reference length received half.
More specifically, in the weeding cutter height adjusting system, further includes:
ADSL transceiver is connect with the specific aim processing equipment, for receiving the specific aim processing image, and is led to
It crosses adsl communication link and sends the specific aim processing image.
More specifically, in the weeding cutter height adjusting system: the specific aim processing equipment is also used to receiving
When to first control instruction, using mud guard bottom end image as specific aim processing image output.
More specifically, in the weeding cutter height adjusting system, further includes:
Component extraction equipment is connect with the specific aim processing equipment, for receiving the specific aim processing image, to institute
Cyan component, magenta component, yellow color component and the black component for stating each of specific aim processing image pixel carry out
It extracts.
More specifically, in the weeding cutter height adjusting system, further includes:
Distribution statistics equipment is connect with the component extraction equipment, for based on each in specific aim processing image
Each cyan component of pixel determines that cyan component numerical value occurs changing most image-region using as cyan outburst area,
Determine that magenta component numerical value changes based on each magenta component of each pixel in specific aim processing image
Most image-regions is to handle each Huang of each pixel in image based on the specific aim as magenta outburst area
Colouring component determines that yellow color component numerical value occurs changing most image-regions to be based on the specific aim as yellow outburst area
Each black component of each pixel determines that black component values occur changing most image-regions to make in processing image
For black outburst area.
More specifically, in the weeding cutter height adjusting system, further includes:
Equipment is concluded in region, is connect with the distribution statistics equipment, is used for the cyan outburst area, the magenta
Outburst area, the yellow outburst area and the black outburst area are exported together as multiple outburst areas；Region enhancing
Equipment identifies that equipment and the region are concluded equipment and connect, for distinguishing the multiple outburst area with the cursive script respectively
Image enhancement processing is carried out, to obtain multiple enhancing regions, and the multiple enhancing region entirety is replaced at the specific aim
Reason image is sent to the cursive script identification equipment.
More specifically, in the weeding cutter height adjusting system: the distribution statistics equipment includes cyan component system
Count sub- equipment, magenta component counts sub- equipment, yellow color component counts sub- equipment and the sub- equipment of black component statistical；Wherein, exist
The region is concluded in equipment, when the cyan outburst area, the magenta outburst area, the yellow outburst area and institute
Stating black outburst area, there are when overlapping region, export the cyan outburst area, the magenta outburst area, the yellow
Outburst area and the black outburst area carry out the multiple regions after the duplicate removal of region using as multiple outburst areas.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is to be illustrated according to the shape of the weeding cutter of the weeding cutter height adjusting system shown in embodiment of the present invention
Figure.
Specific embodiment
The embodiment of weeding cutter height adjusting system of the invention is described in detail below with reference to accompanying drawings.
5 systems: 1. dynamical systems can be divided into weeder structure；2. power-transmission system；3. running gear；4. cutting
Cut system；5 operating systems.Each system cooperates, and completion machine is walked certainly and mowing task.It is mainly used in gardens decoration to repair
It cuts, meadow greening pruner, avenue, greening sight spot, rural area trimming, meadow and grassland in field weeding, especially park,
Football pitch etc. other with grassland, the finishing of private villa garden building and agricultural herding place vegetation etc. is also used in the autumn
When receipts.
In order to overcome above-mentioned deficiency, the present invention has built a kind of weeding cutter height adjusting system, can effectively solve the problem that phase
The technical issues of answering.
The weeding cutter height adjusting system shown according to an embodiment of the present invention includes:
Weeder main structure, including handle, Oil Switch, oil can, hand handle, engine, carrying handle, mud guard, weeding cutter,
Throttle line and flame-out line；
As shown in Figure 1, being the weeding cutter of the weeding cutter height adjusting system, the weeding cutter includes fastener
1, cutter hub 2 and circular ring structure 3；
Wherein, the bottom end of the handle is connect with the top of the hand handle, Oil Switch setting in the hand handle and
The junction of the handle.
Then, continue that the specific structure of weeding cutter height adjusting system of the invention is further detailed.
In the weeding cutter height adjusting system: the lower section of the transmitter, the throttle is arranged in the oil can
Switch is connect with the throttle line and the flame-out line respectively.
In the weeding cutter height adjusting system: the lower section of the engine, the gear mud is arranged in the carrying handle
The lower section of the carrying handle is arranged in plate, and the engine is connect with the throttle line and the flame-out line respectively.
In the weeding cutter height adjusting system, further includes:
Height adjusting apparatus is connect with length measurement device and weeding cutter respectively, for based on the reference length received
Degree adjusts the real-time height of the weeding cutter；
In the height adjusting apparatus, the real-time height for adjusting the weeding cutter based on the reference length received is wrapped
Include: the reference length received is longer, and the real-time height of the weeding cutter of adjusting is higher；
Dot matrix camera, is arranged on the mud guard and close to the bottom end of the mud guard, for the mud guard
Bottom end front carry out camera operation, to obtain corresponding mud guard bottom end image, and export mud guard bottom end image；
Parameter acquisition device is connect with the dot matrix camera, for receiving mud guard bottom end image, to the gear
Mud plate bottom end image executes under-exposure degree parsing, to obtain the first under-exposure degree, is also used to receive the Lai Natu, to the Lay
Na figure executes under-exposure degree parsing, to obtain the second under-exposure degree；
Parameter compares equipment, connect respectively with the parameter acquisition device, for receiving the described first under-exposure degree and institute
State the second under-exposure degree, and the described second under-exposure degree be more than or equal to described first it is under-exposure spend when, issue the first control and refer to
It enables, when more than the three times that the described first under-exposure degree is the described second under-exposure degree, issues third control instruction, and in institute
State the first under-exposure degree be the three times of the described second under-exposure degree between two times when, issue the second control instruction；
Specific aim processing equipment, equipment connects compared with the parameter, for when receiving second control instruction,
Histogram treatment equipment is activated to execute the processing of single histogram equalization, and acquisition and output pair to mud guard bottom end image
The specific aim processing image answered, is also used to when receiving the third control instruction, activates histogram treatment equipment to institute
It states mud guard bottom end image and executes multiple histogram equalization processing, and obtain and export corresponding specific aim processing image；
Histogram treatment equipment is handled for executing single or multiple histogram equalizations to input picture in state of activation,
Stop executing input picture single or multiple histogram equalizations processing in unactivated state；
Cursive script identifies equipment, connect with the specific aim processing equipment, for receiving the specific aim processing image, is based on
Cursive script imaging features identify each cursive script pattern where each cursive script object difference in the specific aim processing image；
Length measurement device is connect with cursive script identification equipment, several corresponding to each cursive script pattern for measuring
The length of what body, and exported the maximum value of each length in each cursive script pattern as reference length；
Wherein, in the height adjusting apparatus, the real-time of the weeding cutter is adjusted based on the reference length received
Height includes: that the real-time height of the weeding cutter of adjusting is the half of the reference length received.
In the weeding cutter height adjusting system, further includes:
ADSL transceiver is connect with the specific aim processing equipment, for receiving the specific aim processing image, and is led to
It crosses adsl communication link and sends the specific aim processing image.
In the weeding cutter height adjusting system: the specific aim processing equipment is also used to receiving described first
When control instruction, using mud guard bottom end image as specific aim processing image output.
In the weeding cutter height adjusting system, further includes:
Component extraction equipment is connect with the specific aim processing equipment, for receiving the specific aim processing image, to institute
Cyan component, magenta component, yellow color component and the black component for stating each of specific aim processing image pixel carry out
It extracts.
In the weeding cutter height adjusting system, further includes:
Distribution statistics equipment is connect with the component extraction equipment, for based on each in specific aim processing image
Each cyan component of pixel determines that cyan component numerical value occurs changing most image-region using as cyan outburst area,
Determine that magenta component numerical value changes based on each magenta component of each pixel in specific aim processing image
Most image-regions is to handle each Huang of each pixel in image based on the specific aim as magenta outburst area
Colouring component determines that yellow color component numerical value occurs changing most image-regions to be based on the specific aim as yellow outburst area
Each black component of each pixel determines that black component values occur changing most image-regions to make in processing image
For black outburst area.
In the weeding cutter height adjusting system, further includes:
Equipment is concluded in region, is connect with the distribution statistics equipment, is used for the cyan outburst area, the magenta
Outburst area, the yellow outburst area and the black outburst area are exported together as multiple outburst areas；
Region enhances equipment, identifies that equipment and the region are concluded equipment and connect with the cursive script respectively, for described
Multiple outburst areas carry out image enhancement processing respectively, to obtain multiple enhancing regions, and by the multiple enhancing region entirety
It replaces the specific aim processing image and is sent to the cursive script identification equipment.
In the weeding cutter height adjusting system: the distribution statistics equipment include cyan component count sub- equipment,
Magenta component counts sub- equipment, yellow color component counts sub- equipment and the sub- equipment of black component statistical；
Wherein, it is concluded in equipment in the region, when the cyan outburst area, the magenta outburst area, described
There are when overlapping region, export the cyan outburst area, the magenta for yellow outburst area and the black outburst area
Outburst area, the yellow outburst area and the black outburst area carry out the multiple regions after the duplicate removal of region using as multiple
Outburst area.
In addition, ADSL is a kind of by existing ordinary telephone line is family, office provides broadband data transmission service
Technology, he can provide very high data transmitting bandwidth, it is wide to be enough to allow the asthma of telecommunication sparetime university without a break.ADSL scheme does not need to be transformed
Signal transmission line, it only needs a pair of special MODEM, and one of MODEM is connected on the computer of user, another
Platform is then mounted in the communication center of telecommunications company, is still common telephone line for what they were connected.Using the side ADSL
After case, the speed of data transmission improves much really.The transmission speed of ADSL scheme is about 50 times of ISDN scheme, satellite
20 times of scheme, while it does not need restructuring route again, therefore ADSL is current more feasible online speeding scheme.
ADSL aims at video play-on-demand program and designs in initial stage of development.With the rapid development of internet, ADSL changes
Head changes face and appears in face of people as a kind of technology of high-peed connection internet, and user is allowed to feel fresh and new, it makes existing
There is offer multimedia service on internet to be possibly realized.For the company for providing telecommunications service, they do not have to again for replacement
Route to be put into astronomical fund and be worried, they extremely flexibly can configure ASDL equipment according to user volume, is
User provides more online services.
It is high for the weeding Cutting tool installation manner of weeder in the prior art using weeding cutter height adjusting system of the invention
The technical issues of degree can not be adjusted adaptively, by executing statistical analysis to the cursive script length in front of mud guard bottom end, to be based on
The mounting height of weeding cutter is adjusted when analyzing fructufy, to reduce the workload of weeding cutter, improves weeding cutter
Single herbicidal effect；And in the identification of specific cursive script, the under-exposure degree of image and standard picture to be processed is extracted respectively, it is right
The under-exposure degree obtained carries out numerical analysis to select adaptive histogram equalization strategy for completing to image to be processed
Adaptive equalization processing；To solve above-mentioned technical problem.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (10)
1. a kind of weeding cutter height adjusting system characterized by comprising
Weeder main structure, including handle, Oil Switch, oil can, hand handle, engine, carrying handle, mud guard, weeding cutter, throttle
Line and flame-out line；
Wherein, the bottom end of the handle is connect with the top of the hand handle, and Oil Switch setting is in the hand handle and described
The junction of handle.
2. weeding cutter height adjusting system as described in claim 1, it is characterised in that:
The lower section of the transmitter is arranged in the oil can, and the Oil Switch connects with the throttle line and the flame-out line respectively
It connects.
3. weeding cutter height adjusting system as claimed in claim 2, it is characterised in that:
The lower section of the engine is arranged in the carrying handle, and the lower section of the carrying handle, the engine is arranged in the mud guard
It is connect respectively with the throttle line and the flame-out line.
4. weeding cutter height adjusting system as claimed in claim 3, which is characterized in that the system also includes:
Height adjusting apparatus is connect with length measurement device and weeding cutter respectively, for based on the reference length tune received
Save the real-time height of the weeding cutter；
In the height adjusting apparatus, highly include: in real time based on what the reference length received adjusted the weeding cutter
The reference length received is longer, and the real-time height of the weeding cutter of adjusting is higher；
Dot matrix camera, is arranged on the mud guard and close to the bottom end of the mud guard, for the bottom to the mud guard
The front at end carries out camera operation, to obtain corresponding mud guard bottom end image, and exports mud guard bottom end image；
Parameter acquisition device is connect with the dot matrix camera, for receiving mud guard bottom end image, to the mud guard
Bottom end image executes under-exposure degree parsing, to obtain the first under-exposure degree, is also used to receive the Lai Natu, to the Lai Natu
Under-exposure degree parsing is executed, to obtain the second under-exposure degree；
Parameter compares equipment, connect respectively with the parameter acquisition device, for receiving the described first under-exposure degree and described the
Two under-exposure degree, and described second it is under-exposure degree be more than or equal to described first it is under-exposure spend when, issue the first control instruction,
When the first under-exposure degree is the three times of the described second under-exposure degree or more, third control instruction is issued, and described the
One under-exposure degree be the three times of the described second under-exposure degree between two times when, issue the second control instruction；
Specific aim processing equipment, equipment connects compared with the parameter, for activating when receiving second control instruction
Histogram treatment equipment is obtained and is exported corresponding to execute the processing of single histogram equalization to mud guard bottom end image
Specific aim handles image, is also used to when receiving the third control instruction, activates histogram treatment equipment to the gear
Mud plate bottom end image executes multiple histogram equalization processing, and obtains and export corresponding specific aim processing image；
Histogram treatment equipment is handled for executing single or multiple histogram equalizations to input picture in state of activation, non-
State of activation stops executing input picture single or multiple histogram equalizations processing；
Cursive script identifies equipment, connect with the specific aim processing equipment, for receiving the specific aim processing image, is based on cursive script
Imaging features identify each cursive script pattern where each cursive script object difference in the specific aim processing image；
Length measurement device is connect, for measuring solid corresponding to each cursive script pattern with cursive script identification equipment
Length, and using the maximum value of each length in each cursive script pattern as reference length export；
Wherein, in the height adjusting apparatus, the real-time height of the weeding cutter is adjusted based on the reference length received
It include: the real-time height of the weeding cutter of adjusting is the half of the reference length received.
5. weeding cutter height adjusting system as claimed in claim 4, which is characterized in that the system also includes:
ADSL transceiver is connect with the specific aim processing equipment, for receiving the specific aim processing image, and is passed through
Adsl communication link sends the specific aim and handles image.
6. weeding cutter height adjusting system as claimed in claim 5, it is characterised in that:
The specific aim processing equipment is also used to when receiving first control instruction, and mud guard bottom end image is made
Image output is handled for specific aim.
7. weeding cutter height adjusting system as claimed in claim 6, which is characterized in that the system also includes:
Component extraction equipment is connect with the specific aim processing equipment, for receiving the specific aim processing image, to the needle
Cyan component, magenta component, yellow color component and the black component of each of property processing image pixel are extracted.
8. weeding cutter height adjusting system as claimed in claim 7, which is characterized in that the system also includes:
Distribution statistics equipment is connect with the component extraction equipment, for based on each pixel in specific aim processing image
Each cyan component of point determines that cyan component numerical value occurs changing most image-regions to be based on as cyan outburst area
It is most to determine that variation occurs in magenta component numerical value for each magenta component of each pixel in the specific aim processing image
Image-region using as magenta outburst area, each yellow point based on each pixel in specific aim processing image
It measures and determines that yellow color component numerical value occurs changing most image-regions handled based on the specific aim as yellow outburst area
Each black component of each pixel determines that black component values occur changing most image-region using as black in image
Color outburst area.
9. weeding cutter height adjusting system as claimed in claim 8, which is characterized in that the system also includes:
Equipment is concluded in region, is connect with the distribution statistics equipment, for the cyan outburst area, the magenta is prominent
Region, the yellow outburst area and the black outburst area are exported together as multiple outburst areas；
Region enhances equipment, identifies that equipment and the region are concluded equipment and connect with the cursive script respectively, for the multiple
Outburst area carries out image enhancement processing respectively, to obtain multiple enhancing regions, and the multiple enhancing region entirety is replaced
The specific aim processing image is sent to the cursive script identification equipment.
10. weeding cutter height adjusting system as claimed in claim 9, it is characterised in that:
The distribution statistics equipment includes that cyan component counts sub- equipment, magenta component counts sub- equipment, yellow color component statistics
Sub- equipment and the sub- equipment of black component statistical；
Wherein, it is concluded in equipment in the region, when the cyan outburst area, the magenta outburst area, the yellow
Outburst area and the black outburst area are prominent there are the cyan outburst area, the magenta when overlapping region, is exported
Region, the yellow outburst area and the black outburst area carry out the multiple regions after the duplicate removal of region using as multiple protrusions
Region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611000.XA CN109451963B (en) | 2018-12-27 | 2018-12-27 | Height adjusting system for weeding cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611000.XA CN109451963B (en) | 2018-12-27 | 2018-12-27 | Height adjusting system for weeding cutter |
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| Publication Number | Publication Date |
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| CN109451963A true CN109451963A (en) | 2019-03-12 |
| CN109451963B CN109451963B (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811611000.XA Active CN109451963B (en) | 2018-12-27 | 2018-12-27 | Height adjusting system for weeding cutter |
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| CN115067056A (en) * | 2022-06-13 | 2022-09-20 | 扬州大学 | Horizontal control method and system for weeding machine |
| CN115067056B (en) * | 2022-06-13 | 2023-12-08 | 扬州大学 | Horizontal control method and system for weeding machine |
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