Bending deformation correction system, blades, wind turbine generator sets and control methods

Abstract

This application discloses a bending deformation correction system, a blade, a wind turbine generator set, and a control method. The bending deformation correction system includes a correction device, a sensor module, and a controller. The sensor module measures the bending deformation information of the blade in real time and transmits the bending deformation information to the controller. The controller determines the correction force information for correcting the bending deformation based on the bending deformation information and generates control commands for the drive component in the correction device based on the correction force information. The drive component moves according to the control commands, thereby generating tension. The tension is transmitted to a tension steering mechanism located on one side of the blade attachment through a rope. The tension steering mechanism applies a correction force opposite to the deformation direction to the blade attachment. In this way, the bending deformation of the blade can be reduced, thereby reducing blade vibration and blade load.

Description

Technical Field

[0001] This application belongs to the field of wind power generation technology, and in particular relates to a bending deformation correction system, blade, wind turbine generator set and control method. Background Technology

[0002] As the diameter of wind turbine rotors continues to increase, blade flexibility further increases, and blade aeroelastic damping decreases rapidly, making rotor stability risks increasingly prominent. Blade vibration has become a key factor in unit safety. Currently, the main method to reduce blade vibration is to increase blade aerodynamic damping. Related technologies primarily employ the following methods to increase blade aerodynamic damping: increasing blade material damping, using pendulum dampers, liquid dampers, etc., and altering the blade aerodynamic shape or using pitch control.

[0003] However, although long, flexible blades exhibit significant overall structural deformation, local bending deformation is minimal, meaning local curvature changes are small. Therefore, traditional methods of increasing material damping contribute little to blade vibration reduction. Furthermore, blades generate substantial centrifugal force during rotation, significantly influencing the frequency of traditional pendulum dampers and liquid dampers, thus hindering vibration reduction. Additionally, dampers typically require installation in the blade's middle or tip, severely restricting installation and operation space. Wind turbines rely on specific blade airfoils to provide sufficient lift for stable operation. Traditional methods of increasing aerodynamic damping by altering blade aerodynamic shape severely impact turbine efficiency and stability, rendering them unsuitable for blade vibration reduction. While wind turbine pitch control can increase blade aerodynamic damping to some extent, reducing vibration and load, frequent pitch maneuvers often lead to excessive damage to the pitch bearings. Therefore, the harsh operating conditions and environment of wind turbine blades make traditional vibration reduction and load reduction measures difficult to implement. Summary of the Invention

[0004] This application provides a bending deformation correction system, blade, wind turbine generator set, control method, device, equipment, storage medium, and program that can correct the bending deformation of the blade, thereby reducing blade vibration and lowering blade load.

[0005] In a first aspect, embodiments of this application provide a bending deformation correction system for a blade. The blade includes a shell and a pair of blade attachments. The shell includes opposing blade tips and blade roots along its own axial direction. The blade attachments include at least one of a web and a main beam. The system includes:

[0006] The correction device includes a drive unit and multiple force-applying units distributed along the axial direction. Each force-applying unit includes a rope and a tension steering mechanism arranged one-to-one opposite to each other in a first direction. One of the oppositely arranged tension steering mechanisms is arranged on one of the paired blade attachments, and the other of the oppositely arranged tension steering mechanism is arranged on the other of the paired blade attachments. The oppositely arranged tension steering mechanisms are located at the same measuring point section of the blade. The measuring point section is the cross section of the blade along the axial direction, and the first direction intersects the axial direction. One end of the rope is connected to one of the oppositely arranged tension steering mechanisms, and the other end of the rope is connected to the other of the oppositely arranged tension steering mechanisms. The main rope of the rope is connected to the drive unit for transmission.

[0007] A sensor module, mounted on the blade, is configured to collect information on the bending deformation of the blade.

[0008] The controller is configured to control the movement of the drive component based on bending deformation information, so as to drive multiple force-applying units to apply a corrective force to one of the paired blade attachments to correct the bending deformation of the blade.

[0009] Secondly, embodiments of this application provide a blade, comprising:

[0010] The casing includes opposing blade tips and blade roots along its own axial direction;

[0011] Blade attachments, which are arranged in pairs and are disposed within the housing, include at least one of a web and a main beam;

[0012] Such as the bending deformation correction system in the first aspect.

[0013] Thirdly, embodiments of this application provide a wind turbine generator set, including blades as described in the second aspect.

[0014] Fourthly, embodiments of this application provide a bending deformation correction control method, applied to the controller of the first aspect, the method comprising:

[0015] Obtain bending deformation information at multiple measuring points on the blade. The bending deformation information includes the amount and direction of bending deformation.

[0016] In response to the existence of a deformation measuring point section where the bending deformation exceeds the deformation threshold, the vibration information of the deformation measuring point section is acquired.

[0017] The target corrective force corresponding to the blade is determined based on the bending deformation information and vibration information of the deformation measuring point section;

[0018] The target corrective torque corresponding to the driving component is determined based on the target corrective force;

[0019] The control drive outputs a target correction torque to drive multiple force-applying units installed in the blade to apply a target correction force to one of the paired blade attachments in the blade.

[0020] Fifthly, embodiments of this application provide a bending deformation correction control device, applied to the controller in the first aspect, the device comprising:

[0021] The first acquisition module is used to acquire bending deformation information of multiple measuring point sections in the blade. The bending deformation information includes the amount of bending deformation and the direction of bending deformation.

[0022] The second acquisition module is used to acquire vibration information of the deformation measurement point section in response to the existence of a deformation measurement point section where the bending deformation is greater than the deformation threshold.

[0023] The corrective force determination module is used to determine the target corrective force corresponding to the blade based on the bending deformation information and vibration information of the deformation measuring point section;

[0024] The corrective torque determination module is used to determine the target corrective torque corresponding to the driving component based on the target corrective force;

[0025] The control module is used to control the output target correction torque of the drive component to drive multiple tension steering mechanisms installed in the blade to correct the bending deformation of the blade.

[0026] In a sixth aspect, embodiments of this application provide an electronic device, the device including: a processor and a memory storing computer program instructions;

[0027] When the processor executes computer program instructions, it implements a bending deformation correction control method as described in the fourth aspect.

[0028] In a seventh aspect, embodiments of this application provide a computer-readable storage medium storing computer program instructions, which, when executed by a processor, implement the bending deformation correction control method as described in the fourth aspect.

[0029] Eighthly, embodiments of this application provide a computer program product in which instructions, when executed by a processor of an electronic device, cause the electronic device to perform the bending deformation correction control method as described in the fourth aspect.

[0030] The present application discloses a bending deformation correction system, blade, wind turbine generator, control method, device, equipment, storage medium, and program. The system includes a correction device, a sensor module, and a controller. The sensor module measures the bending deformation information of the blade in real time and transmits the bending deformation information to the controller. The controller determines the correction force information for correcting the bending deformation based on the bending deformation information and generates control commands for the drive component in the correction device based on the correction force information. The drive component moves according to the control commands, thereby generating a tension force on one side. The tension force is transmitted to a tension steering mechanism located on one side of the blade attachment through a rope. The tension steering mechanism applies a correction force opposite to the deformation direction to the blade attachment. In this way, the bending deformation of the blade can be reduced, thereby reducing blade vibration and blade load. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments of this application will be briefly introduced below. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1(a) is a schematic diagram of the longitudinal section of the blade;

[0033] Figure 1(b) is a schematic diagram of the cross-section of the blade;

[0034] Figure 2 This is a schematic diagram of the bending deformation correction system provided in the embodiments of this application;

[0035] Figure 3 This is a schematic diagram of the measuring point cross section provided in an embodiment of this application;

[0036] Figure 4 This is a top view of the tension steering mechanism 421 provided in the embodiments of this application;

[0037] Figure 5 This is a side view of the tension steering mechanism 421 provided in the embodiments of this application.

[0038] Figure 6 This is a schematic diagram of the locking component 425 provided in an embodiment of this application;

[0039] Figure 7 This is a schematic flowchart of the bending deformation correction and control method provided in the embodiments of this application;

[0040] Figure 8 This is a schematic diagram of the control logic of the controller provided in the embodiments of this application;

[0041] Figure 9 This is a schematic diagram of the bending deformation correction control device provided in the embodiments of this application;

[0042] Figure 10 This is a schematic diagram of the structure of the electronic device provided in the embodiments of this application. Detailed Implementation

[0043] The features and exemplary embodiments of various aspects of this application will be described in detail below. To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only intended to explain this application and not to limit it. For those skilled in the art, this application can be implemented without some of these specific details. The following description of the embodiments is merely to provide a better understanding of this application by illustrating examples.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes said element.

[0045] This application provides a bending deformation correction system applied to a blade to correct the bending deformation of the blade, thereby reducing blade vibration caused by the bending deformation. The blade includes a shell and a pair of blade attachments. The shell includes opposing blade tips and blade roots along its own axial direction, and the blade attachments include at least one of a web and a main sparsity.

[0046] For example, Figure 1 is a schematic diagram of a blade provided in an embodiment of this application, wherein Figure 1(a) is a longitudinal section schematic diagram of the blade, and Figure 1(b) is a cross-sectional schematic diagram of the blade. As shown in Figure 1(a), the blade includes a shell 10, and the shell 10 includes opposing blade tip portions 101 and blade root portions 102 in its own axial direction. As shown in Figure 1(b), the shell 10 of the blade includes a pair of webs and main beams, wherein the pair of webs may include a leading edge web 21 and a trailing edge web 22, and the pair of main beams may include a windward main beam 31 and a leeward main beam 32.

[0047] In some embodiments of this application, the bending deformation correction system may include a correction device, a sensor module, and a controller.

[0048] The correction device is located inside the blade housing and includes a drive unit and multiple force-applying units distributed along the axial direction. Each force-applying unit includes a rope and a tension steering mechanism arranged one-to-one in a first direction. One of the tension steering mechanisms is located on one of the paired blade attachments, and the other is located on the other. The tension steering mechanisms are located at the same measuring point section of the blade, which is the cross-section of the blade along the axial direction. The first direction intersects the axial direction. One end of the rope is connected to one of the paired tension steering mechanisms, and the other end of the rope is connected to the other. The main rope is connected to the drive unit for transmission.

[0049] A sensor module is installed on the blade and is configured to collect bending deformation information of the blade, including but not limited to bending deformation direction and bending deformation amount.

[0050] The controller is configured to control the movement of the drive component based on bending deformation information, so as to drive multiple force-applying units to apply a corrective force to one of the paired blade attachments to correct the bending deformation of the blade.

[0051] The bending deformation of blades is usually caused by an imbalance of forces on both sides of the blade in the bending direction, causing the blade to bend from the side with greater force to the side with less force under the action of external force. Therefore, when correcting the bending deformation of a blade, a corrective force opposite to the bending direction can be applied to the side of the blade with less force using a corrective device to counteract at least part of the external force causing the deformation, thereby reducing the amount of bending deformation. Therefore, each time the bending deformation of a blade is corrected, the drive unit can apply a force to the force application unit installed on the blade attachment on the side of the blade with less force; that is, multiple force application units can be driven to apply a corrective force to one of the paired blade attachments to correct the bending deformation of the blade.

[0052] In some embodiments of this application, the deformation direction of blade bending deformation is mainly divided into the blade chord direction and the blade thickness direction. Based on this, in actual implementation, the force-applying units in the correction device can be arranged on paired web plates or main beams according to the deformation direction of the bending deformation to be corrected. For example, when the bending deformation direction to be corrected is the blade chord direction, multiple force-applying units can be arranged on paired web plates. When the bending deformation direction to be corrected is the blade thickness direction, multiple force-applying units can be arranged on paired main beams. When it is necessary to correct both the bending deformation in the blade chord direction and the bending deformation in the blade thickness direction, two sets of correction devices can be set in the blade. In one set of correction devices, multiple force-applying units are arranged on paired web plates, and in the other set of correction devices, multiple force-applying units are arranged on paired main beams.

[0053] In some embodiments of this application, for each force-applying unit, when the force-applying unit is disposed on a pair of web plates, one of the tension steering mechanisms disposed in a pair of opposite positions in the force-applying unit is disposed on the front edge web plate 21 and the other is disposed on the rear edge web plate 22; when the force-applying unit is disposed on a pair of main beams, one of the tension steering mechanisms disposed in a pair of opposite positions in the force-applying unit is disposed on the windward main beam 31 and the other is disposed on the leeward main beam 32.

[0054] In some embodiments of this application, the bending deformation correction system is applied to the blade shown in Figure 1 to correct the chordal bending deformation of the blade, as an example. Figure 2 As shown, the correction device is installed inside the blade housing 10, with the drive unit 41 located at the blade root. Each of the multiple force-applying units distributed axially includes a rope 422, a tension-directing mechanism 421 mounted on the leading edge web 21, and a tension-directing mechanism 423 mounted on the trailing edge web 22. One end of the rope 422 is connected to the tension-directing mechanism 421, and the other end is connected to the tension-directing mechanism 423. The main rope of the rope 422 is connected to the drive unit 41 for transmission.

[0055] like Figure 2 As shown, tension steering mechanisms 421 and 423 are arranged one-to-one opposite each other on the leading-edge web 21 and trailing-edge web 22 of the blade. Furthermore, the opposing tension steering mechanisms 421 and 423 are located at the same measuring point section of the blade. (See also...) Figure 3 This is a schematic diagram of a cross-section at a measuring point in the blade, as shown below. Figure 3 As shown, the tension steering mechanism 421 and tension steering mechanism 423 are arranged one-to-one on the front edge web 21 and the rear edge web 22.

[0056] The sensor module 50 is disposed on the blade housing 10 and is used to collect bending deformation information of the measuring point section. For example, the sensor module 50 may include multiple deformation sensors capable of detecting deformation, and the multiple deformation sensors are used to collect bending deformation information of multiple measuring point sections in the blade.

[0057] The controller 60 is communicatively connected to both the sensor module 50 and the drive component 41. It acquires bending deformation information collected by the sensor module 50 and controls the movement of the drive component 41. The installation location of the controller 60 can be set according to actual conditions; it can be installed inside or outside the blade. Figure 2 This is merely an example and does not constitute a limitation on the installation location of the controller 60.

[0058] In practical applications, the sensor module 50 can collect the bending deformation information of the blade and transmit it to the controller 60. The controller 60 calculates the correction force information based on the bending deformation information of the blade, generates a control command for the drive component 41 in the correction device based on the correction force information, and transmits the control command to the drive component 41. Thus, the drive component 41 generates a control torque according to the control command of the controller 60, pulling one side of the rope 422 while the other side of the rope 422 is released. The tension on the pulled side of the rope 422 is transmitted to the tension steering mechanism 421 or tension steering mechanism 423 set on the blade web on that side. After the tension is redirected by the tension steering mechanism 421 or tension steering mechanism 423, a blade deformation correction force opposite to the direction of blade bending deformation is applied to the leading edge web 21 or trailing edge web 22 of the blade, thereby reducing blade deformation, thereby reducing blade vibration and reducing blade load.

[0059] The principle of correcting bending deformation in the thickness direction of the blade is the same as the above method, except that the installation position of the paired force application units is changed from the blade web to the blade main beam. To avoid repetition, it will not be described in detail here.

[0060] The bending deformation correction system provided in this embodiment includes a correction device, a sensor module, and a controller. The sensor module measures the bending deformation information of the blade in real time and transmits the bending deformation information to the controller. The controller determines the correction force information for correcting the bending deformation based on the bending deformation information and generates control commands for the drive component in the correction device based on the correction force information. The drive component moves according to the control commands, thereby generating a tension force on one side. The tension force is transmitted to a tension steering mechanism located on one side of the blade attachment through a rope. The tension steering mechanism applies a correction force on the blade attachment that is opposite to the direction of deformation. In this way, the bending deformation of the blade can be reduced, thereby reducing blade vibration and blade load.

[0061] Furthermore, when using the bending deformation correction system provided in this application embodiment to reduce vibration and load on the blade, it is not subject to boundary constraints such as the blade's deformation curvature, centrifugal force, and space. Moreover, installing the bending deformation correction system inside the blade shell does not affect the blade's aerodynamic shape. Furthermore, using an independent system for correction does not result in load transfer.

[0062] Furthermore, bending deformation correction can reduce the maximum stress level of the blade section, avoid blade failure caused by extreme operating conditions, reduce the stress amplitude of the blade section, reduce fatigue, and increase the service life of the blade, reduce blade deformation, avoid the risk of tower sweeping during blade operation, and reduce blade vibration level, thereby improving the overall stability and reliability of the machine.

[0063] In some possible embodiments of this application, the tension steering mechanisms used in the bending deformation correction system have identical structures, and the components of each tension steering mechanism may include: an anchoring assembly and a reversing assembly. Both the anchoring assembly and the reversing assembly are disposed on the surface of the blade attachment. The rope end connected to the tension steering mechanism in the rope is connected to the anchoring assembly, and at least a portion of the main rope is arranged around the reversing assembly.

[0064] The anchoring assembly is used to anchor the rope end connected to the tension steering mechanism, and the reversing assembly is used to turn the rope. That is, one end of the rope is connected to the anchoring assembly, and the other end extends in the direction of the driving component after being reversed by the reversing assembly.

[0065] The reason for setting up a reversing component in the tension steering mechanism is that when the drive component moves, the force transmitted to the position of the tension steering mechanism through the rope is a tension force along the radial direction of the blade, that is, a force parallel to the installation position of the tension steering mechanism. However, to correct the bending deformation of the blade, a corrective force is required in the chordal or thickness direction, that is, a force perpendicular to the installation position of the tension steering mechanism. Therefore, in order to apply a corrective force to the installation position of the tension steering mechanism, the reversing component is used to reverse the direction of the force.

[0066] In some embodiments of this application, taking the tension steering mechanism 421 as an example, see [link to relevant documentation]. Figure 4 This is a top view of the force steering mechanism 421, viewed from the blade tip to the blade root. Figure 4As shown, the tension steering mechanism 421 includes an anchoring assembly 4211 and a reversing assembly 4212, both of which are mounted on the leading edge web 21. One end of the rope 422 is connected to the anchoring assembly 4211, and the main rope of the rope 422 is arranged around a portion of the reversing assembly 4212. This causes the rope 422, which is away from the anchoring assembly 4211, to extend from the chord direction to the blade root direction. In this way, the force transmitted from the blade root to the anchoring assembly 4211 through the rope 422 can be converted from radial tension into a corrective force opposite to the blade deformation direction, thereby correcting the bending deformation of the blade.

[0067] In some possible embodiments of this application, the anchoring components and reversing components of each tension steering mechanism can be mounted on the blade attachment in a non-removable connection manner, wherein the non-removable connection manner includes, but is not limited to, welding, gluing, riveting, etc.

[0068] By using a non-removable connection method, the anchoring and commutation components can be more securely mounted on the blade attachments, thereby improving the installation reliability of the anchoring and commutation components.

[0069] In some possible embodiments of this application, the anchoring components and reversing components of each tension steering mechanism can also be detachably connected to the blade attachment, wherein the detachable connection methods include, but are not limited to, threaded connection, pin connection, elastic deformation connection, locking connection, plug connection, etc.

[0070] The detachable connection method allows for easy replacement of the anchoring and reversing components.

[0071] In some possible embodiments of this application, the components of the anchoring assembly of the tension steering mechanism may include:

[0072] Anchoring supports are installed on the surface of the blade attachments;

[0073] An anchoring wheel is mounted on the anchoring support and rotatably connected to the anchoring support;

[0074] The rope end connected to the tension steering mechanism is equipped with a collar, which is fitted onto the anchor wheel.

[0075] In some embodiments of this application, the collar can be made of wear-resistant materials, including but not limited to carbon steel, alloy steel, stainless steel, high-strength steel, etc.

[0076] In some embodiments of this application, taking the tension steering mechanism 421 as an example, see [link to relevant documentation]. Figure 5 This is a side view of the tension steering mechanism 421, as shown. Figure 5As shown, the anchoring assembly 4211 may include an anchoring support 42111 and an anchoring wheel 42112. The anchoring support 42111 is disposed on the leading edge web 21, and the anchoring wheel 42112 is supported on and rotatably connected to the anchoring support 42111. A collar 4221 is provided at one end of the rope 422 that connects to the tension steering mechanism 421, and this collar 4221 is fitted onto the anchoring wheel 42112.

[0077] By using the above method, the rope and anchoring components are connected by a collar, which can prevent the rope from bending excessively and abrading.

[0078] In some possible embodiments of this application, the components of the reversing assembly of the pull steering mechanism may include:

[0079] Commutation support, located near the blade;

[0080] The reversing wheel is mounted on the reversing support and rotatably connected to the reversing support;

[0081] In this configuration, at least a portion of the main rope is arranged around the reversing wheel, such that the portion of the rope away from the anchoring assembly converges towards the drive component.

[0082] In some embodiments of this application, such as Figure 5 As shown, the reversing assembly 4212 in the tension steering mechanism 421 may include a reversing support 42121 and a reversing wheel 42122. The reversing support 42121 is disposed on the leading edge web 21, and the reversing wheel 42122 is supported on the reversing support 42121 and rotatably connected to the reversing support 42121. A portion of the main rope of the rope 422 is arranged around the reversing wheel 42122, such that the portion of the rope 422 away from the anchoring assembly 4211 converges towards the drive member 421.

[0083] In this way, by turning the rope with the steering wheel, the force transmitted through the rope can be converted from the radial tension of the blade into a corrective force corresponding to the direction of blade deformation.

[0084] In some possible embodiments of this application, the driving element may include a drive motor having an output shaft, and at least a portion of the main rope of the rope is wound around the output shaft.

[0085] In this way, when the drive motor input shaft rotates, it will only tighten the rope on one side while loosening the rope on the other side, thereby correcting the bending deformation of the blade.

[0086] In some embodiments of this application, see Figure 2When the blade bends from the trailing edge to the leading edge, the drive motor in the drive unit 41 pulls the rope 422 on one side of the leading edge web 21 to transmit tension to the force steering mechanism 421. The force steering mechanism 421 then applies a corrective force to the leading edge web 21 opposite to the blade bending deformation. Conversely, when the blade bends from the leading edge to the trailing edge, the drive motor in the drive unit 41 pulls the rope 422 on one side of the trailing edge web 22 to transmit tension to the force steering mechanism 423. The force steering mechanism 423 then applies a corrective force to the trailing edge web 22 opposite to the blade bending deformation.

[0087] In some possible embodiments of this application, since each force-applying unit includes a rope connected to a tension steering mechanism disposed opposite to it, and all ropes are connected to the drive member, the correction device may also include a locking assembly to prevent multiple ropes from tangling. The locking assembly is used to gather all the ropes into a rope bundle and connect the rope bundle to the drive member, thus preventing the ropes from tangling.

[0088] In some embodiments of this application, see Figure 5 After the rope 422 is connected to the tension steering mechanism 421, it is gathered with other ropes from the blade tip direction through the locking assembly 425 to form a rope bundle.

[0089] In some possible embodiments of this application, the locking assembly may include an upper hub ring and a lower hub ring arranged symmetrically, and both ends of the upper hub ring and the lower hub ring are locked by bolts.

[0090] In some embodiments of this application, see Figure 6 The locking assembly 425 includes an upper cable ring 4251 and a lower cable ring 4252 arranged symmetrically, and both ends of the upper cable ring 4251 and the lower cable ring 4252 are locked by bolts 4253.

[0091] The locking assembly uses an upper cable catcher, a lower cable catcher, and a bolt in combination to enable the locking assembly to be used for locking ropes of different thicknesses, thus improving the overall applicability of the product.

[0092] In some possible implementations of this application, the controller may be a programmable logic controller (PLC).

[0093] In practical applications, users can write a program to control the drive components based on the blade bending deformation information, download the program to the PLC, and the PLC can then implement the designed functional requirements.

[0094] PLCs have strong anti-interference capabilities, so using a PLC can improve the reliability of the bending deformation correction system.

[0095] Based on the bending deformation correction system provided in the above embodiments, this application also provides a specific implementation of a blade. Please refer to the following embodiments.

[0096] The blade provided in this application embodiment includes: a shell, the shell including opposing blade tip and blade root portions along its own axial direction;

[0097] Blade attachments, which are arranged in pairs and are disposed within the housing, include at least one of a web and a main beam;

[0098] Bending deformation correction system.

[0099] The structure of the bending deformation correction system is as described above, and will not be repeated here to avoid repetition.

[0100] In some possible embodiments of this application, the blade attachment includes a web, and oppositely arranged tension steering mechanisms are symmetrically distributed along the chord direction of the blade, with each tension steering mechanism disposed on the surface of one of the paired webs facing the other in the chord direction.

[0101] In some possible embodiments of this application, the blade attachment includes a main beam, and oppositely arranged tension steering mechanisms are symmetrically distributed along the thickness direction of the blade, with each tension steering mechanism disposed on the surface of one of the paired main beams facing the other in terms of thickness.

[0102] The blade provided in this embodiment includes a bending deformation correction system. The bending deformation correction system includes a correction device, a sensor module, and a controller. The sensor module measures the bending deformation information of the blade in real time and transmits the bending deformation information to the controller. The controller determines the correction force information for correcting the bending deformation based on the bending deformation information and generates control commands for the drive component in the correction device based on the correction force information. The drive component moves according to the control commands, thereby generating a tension on one side. The tension is transmitted to a tension steering mechanism located on one side of the blade attachment through a rope. The tension steering mechanism applies a correction force opposite to the deformation direction to the blade attachment. In this way, the bending deformation of the blade can be reduced, thereby reducing blade vibration and blade load.

[0103] Based on the blades provided in the above embodiments, this application also provides a specific implementation of a wind turbine generator set. Please refer to the following embodiments.

[0104] This application provides a wind turbine generator set, which may include: blades as described above, the blades including a housing, blade accessories, and a bending deformation correction system. The structure of the blades is as described above and will not be repeated here to avoid repetition.

[0105] In addition to blades, wind turbine generators may also include major subsystems such as nacelles and towers. The nacelles include generators, transmission systems, etc.

[0106] The wind turbine generator provided in this embodiment includes a bending deformation correction system. The bending deformation correction system includes a correction device, a sensor module, and a controller. The sensor module measures the bending deformation information of the blade in real time and transmits the bending deformation information to the controller. The controller determines the correction force information for correcting the bending deformation based on the bending deformation information and generates control commands for the drive component in the correction device based on the correction force information. The drive component moves according to the control commands, thereby generating a tension on one side. The tension is transmitted to a tension steering mechanism located on one side of the blade attachment through a rope. The tension steering mechanism applies a correction force opposite to the deformation direction on the blade attachment. In this way, the bending deformation of the blade can be reduced, thereby reducing blade vibration and blade load.

[0107] Based on the bending deformation correction system provided in the above embodiments, this application also provides a specific implementation of the bending deformation correction control method. Please refer to the following embodiments.

[0108] See Figure 7 This is a flowchart illustrating a bending deformation correction control method provided in an embodiment of this application. This method is applied to the controller in any of the bending deformation correction systems provided in the above embodiments, and is used to control the correction device in the bending deformation correction system to correct the blades. Figure 7 As shown, the method may include the following steps S71-S75.

[0109] S71. Obtain bending deformation information of multiple measuring points on the blade. The bending deformation information includes the amount of bending deformation and the direction of bending deformation.

[0110] The blade includes multiple measuring point sections, each of which includes a tension steering mechanism arranged in a one-to-one configuration. The bending deformation information of each measuring point section can be collected by a sensor module in the bending deformation correction system. The sensor module will collect the bending deformation information of multiple measuring point sections in the blade and transmit the collected bending deformation information to the controller. In this way, the controller can obtain the bending deformation information of multiple measuring point sections in the blade.

[0111] S72. In response to the existence of a deformation measuring point section where the bending deformation is greater than the deformation threshold, obtain the vibration information of the deformation measuring point section.

[0112] The deformation threshold can be set by the user according to the actual situation.

[0113] Deformation measuring point section refers to the measuring point section in the blade where the bending deformation is greater than the transformation threshold. When there is a deformation measuring point section in the blade, it indicates that the blade has undergone bending deformation and bending deformation correction is required.

[0114] Blade bending deformation is usually related to blade vibration. In order to correct the blade bending deformation, vibration information of the deformation measurement point section is further obtained.

[0115] The vibration information of the deformation measuring point section can be collected by the vibration sensor installed in the blade. The vibration information may include, but is not limited to, vibration frequency and vibration amplitude and other vibration-related information.

[0116] S73. Determine the target corrective force corresponding to the blade based on the bending deformation information and vibration information of the deformation measuring point section.

[0117] To correct the bending deformation of the blade, a target corrective force is applied to the blade in the opposite direction of the bending deformation to counteract the bending deformation force. The bending deformation force is the force that causes the blade to bend. The bending deformation force can be determined based on the bending deformation information and vibration information of the deformation measuring point section, and then the corresponding target corrective force can be determined.

[0118] S74. Determine the target correction torque corresponding to the driving component based on the target correction force.

[0119] Because the correction principle of this application embodiment is to pull the rope through the drive member, transmit the tension through the rope to the tension steering mechanism, and then apply the correction force to the blade through the tension steering mechanism, rather than directly applying the target correction force to the blade, in order to enable the tension steering mechanism to apply the correction force to the blade, the target correction torque required for the drive member to generate the target correction force is determined based on the existing relationship between force and torque.

[0120] S75. Control the drive unit to output the target correction torque so as to drive multiple force application units installed in the blade to apply the target correction force to one of the paired blade accessories in the blade.

[0121] By controlling the output target corrective torque of the drive component, the tension steering mechanism can apply the target corrective force to the blade under the drive of the drive component.

[0122] The bending deformation correction control method provided in this application acquires bending deformation information of multiple measuring point sections in a blade. The bending deformation information includes the amount and direction of bending deformation. In response to the existence of a deformed measuring point section where the bending deformation exceeds a threshold, vibration information of the deformed measuring point section is acquired. Based on the bending deformation information and vibration information of the deformed measuring point section, a target correction force corresponding to the blade is determined. Based on the target correction force, a target correction torque corresponding to the driving component is determined. The driving component is controlled to output the target correction torque to drive multiple tension steering mechanisms installed in the blade to correct the bending deformation of the blade. According to this embodiment, the controller can issue commands to the driving component based on the bending deformation information of the blade, thereby causing the driving component to apply a correction load to the surface of the blade accessories via ropes and tension steering mechanisms, thereby suppressing blade bending deformation and reducing vibration and load.

[0123] In some possible embodiments of this application, determining the target corrective force corresponding to the blade based on the bending deformation information and vibration information of the deformation measuring point section may include the following steps: S731-S733.

[0124] S731. Determine the target blade mode corresponding to the vibration information of the deformation measuring point section.

[0125] Blade mode refers to the vibration pattern produced by a blade under excitation or external force.

[0126] In some embodiments of this application, the vibration data of the blade can be analyzed in advance to determine the various blade vibration modes and the vibration information corresponding to each blade vibration mode. Based on this, after obtaining the vibration information of the deformation measuring point section, the blade vibration mode corresponding to the vibration information can be determined, and the blade vibration mode corresponding to the vibration information can be used as the target blade vibration mode.

[0127] S732. Obtain the target corrective force calculation model that matches the target blade vibration mode from the preset model database. The model database includes multiple corrective force calculation models that are pre-established based on key factors of blade deformation and vibration.

[0128] In some embodiments of this application, multiple corrective force calculation models can be pre-established based on key factors of blade deformation and vibration. These key factors may include gravity factors, aerodynamic factors, and abnormal factors. Gravity factors may include the mass and center of mass of the blade, aerodynamic factors may include the operating status of the wind turbine generator, and abnormal factors may include the blade mode shape. Users can select appropriate algorithms to analyze these key factors according to actual conditions, such as deep learning algorithms or big data analysis algorithms, to obtain multiple corrective force calculation models that take blade bending deformation information and vibration information as input and corrective force as output. Different corrective force calculation models correspond to different gravity factors, aerodynamic factors, and / or abnormal factors. A model database is constructed based on the obtained multiple corrective force calculation models. The model database includes multiple corrective force calculation models and the correspondence between each corrective force calculation model and gravity factors, aerodynamic factors, and abnormal factors. Based on this, obtaining the target corrective force calculation model matching the target blade vibration mode from a pre-set model database may include: obtaining the blade's mass and center of mass position, as well as the operating status of the wind turbine generator to which the blade belongs; obtaining a corrective force calculation model from the model database that corresponds to the blade's mass and center of mass position, the wind turbine generator's operating status, and the target blade vibration mode; and using this corrective force calculation model as the target corrective force calculation model. The blade's mass and center of mass position can be obtained from the blade parameters. The operating status of the wind turbine generator can be determined based on the wind turbine generator's operating data. There are already mature technologies for determining the wind turbine generator's operating status based on its operating data, so existing mature technologies can be directly adopted here. The wind turbine generator's operating status may include, but is not limited to, initialization state, standby state, startup state, acceleration state, grid connection state, shutdown state, emergency shutdown state, and safe operation state.

[0129] S733. Based on the bending deformation information and vibration information of the deformation measuring point section and the target correction force calculation model, determine the target correction force corresponding to the blade.

[0130] After obtaining the target correction force calculation model, the bending deformation information and vibration information of the deformation measuring point section are input into the target correction force calculation model to obtain the target correction force input to the model.

[0131] Using the above method, the model can quickly and accurately obtain the target corrective force.

[0132] In some possible embodiments of this application, the tension steering mechanism in all measuring point sections is controlled by the same drive component. In order to achieve a relatively optimal correction effect, when there are multiple deformable measuring point sections and the vibration information includes vibration frequency and vibration amplitude, the target correction force corresponding to the blade is determined based on the bending deformation information and vibration information of the deformable measuring point sections and the target correction force calculation model. This can include the following steps:

[0133] Identify the target measuring point section with the largest vibration amplitude among the deformation measuring point sections;

[0134] Input the bending deformation and vibration information of the target measuring point section into the target correction force calculation model to determine the correction force corresponding to the target measuring point section;

[0135] The corrective force corresponding to the target measuring point section is determined as the target corrective force corresponding to the blade.

[0136] By using the above method, the cross section of the measuring point with the largest vibration amplitude is taken as the target measuring point cross section for calculating the correction force. The maximum correction force can be obtained. Based on the maximum correction force, the blade bending deformation can be corrected to obtain the optimal correction effect.

[0137] In some embodiments of this application, the driving component is a drive motor, as an example. See [link to relevant documentation]. Figure 8 This is a schematic diagram of the controller's control logic for the drive motor, such as... Figure 8 As shown, the controller's control logic includes:

[0138] A model database is pre-established based on the key factors that cause blade deformation and vibration. The model database includes the correspondence between the corrective force calculation model and the key factors. The key factors include gravity factors, aerodynamic factors and abnormal factors. Gravity factors can include the mass and center of mass of the blade, aerodynamic factors can include the operating status of the wind turbine generator, and abnormal factors can include the blade vibration mode.

[0139] The vibration and bending deformation information of each measuring point section of the blade were tested in real time on site.

[0140] If the bending deformation in the bending deformation information of each measuring point section does not exceed the deformation threshold, then no correction is performed;

[0141] If there is a deformation measurement point section where the bending deformation exceeds the deformation threshold, the corresponding target correction force calculation model is determined from the model database based on the vibration information and bending deformation information of the deformation measurement point section.

[0142] The target corrective force of the blade is calculated based on the target corrective force calculation model;

[0143] Based on the target corrective force, determine the target corrective torque of the drive motor.

[0144] The drive motor is controlled to generate the target corrective torque, creating tension on one side of the rope;

[0145] After the tension force is redirected by the tension steering mechanism, it generates a lateral corrective force on the installation position of the tension steering mechanism.

[0146] The bending deformation of the blade is corrected by the lateral corrective force applied at each measuring point section.

[0147] Based on the bending deformation correction and control method provided in the above embodiments, this application also provides specific implementation methods of the bending deformation correction and control device. Please refer to the following embodiments.

[0148] See Figure 9 The bending deformation correction control device provided in this application embodiment includes the following modules:

[0149] The first acquisition module 901 is used to acquire bending deformation information of multiple measuring point sections in the blade. The bending deformation information includes the amount of bending deformation and the direction of bending deformation.

[0150] The second acquisition module 902 is used to acquire vibration information of the deformation measurement point section in response to the existence of a deformation measurement point section where the bending deformation is greater than the deformation threshold.

[0151] The corrective force determination module 903 is used to determine the target corrective force corresponding to the blade based on the bending deformation information and vibration information of the deformation measuring point section.

[0152] The corrective torque determination module 904 is used to determine the target corrective torque corresponding to the driving component based on the target corrective force;

[0153] The control module 905 is used to control the output target correction torque of the drive component to drive multiple tension steering mechanisms installed in the blade to correct the bending deformation of the blade.

[0154] In some possible embodiments of this application, the corrective force determination module 903 includes:

[0155] The mode shape determination unit makes it easy to determine the target blade mode shape corresponding to the vibration information of the deformation measuring point section;

[0156] The model determination unit is used to obtain the target corrective force calculation model that matches the target blade vibration mode from the preset model database. The model database includes multiple corrective force calculation models that are pre-established based on key factors of blade deformation and vibration.

[0157] The calculation unit is used to determine the target correction force corresponding to the blade based on the bending deformation information and vibration information of the deformation measuring point section and the target correction force calculation model.

[0158] In some possible embodiments of this application, the vibration information includes vibration frequency and vibration amplitude, and the calculation unit is specifically used for:

[0159] Identify the target measuring point section with the largest vibration amplitude among the deformation measuring point sections;

[0160] Input the bending deformation and vibration information of the target measuring point section into the target correction force calculation model to determine the correction force corresponding to the target measuring point section;

[0161] The corrective force corresponding to the target measuring point section is determined as the target corrective force corresponding to the blade.

[0162] The bending deformation correction control device provided in this application embodiment can achieve... Figures 7-8 The various processes implemented in the method implementation examples will not be described again here to avoid repetition.

[0163] Figure 10 A schematic diagram of the hardware structure of the electronic device provided in an embodiment of this application is shown.

[0164] The electronic device may include a processor 1001 and a memory 1002 storing computer program instructions.

[0165] Specifically, the processor 1001 may include a central processing unit (CPU), an application-specific integrated circuit (ASIC), or one or more integrated circuits that can be configured to implement the embodiments of this application.

[0166] Memory 1002 may include mass storage for data or instructions. For example, and not limitingly, memory 1002 may include a hard disk drive (HDD), floppy disk drive, flash memory, optical disk, magneto-optical disk, magnetic tape, or Universal Serial Bus (USB) drive, or a combination of two or more of these. Where appropriate, memory 1002 may include removable or non-removable (or fixed) media. Where appropriate, memory 1002 may be internal or external to the integrated gateway disaster recovery device. In a particular embodiment, memory 1002 is non-volatile solid-state memory. Memory 1002 may include read-only memory (ROM), random access memory (RAM), disk storage media devices, optical storage media devices, flash memory devices, electrical, optical, or other physical / tangible memory storage devices. Therefore, typically, memory 1002 includes one or more tangible (non-transitory) computer-readable storage media (e.g., memory devices) encoded with software including computer-executable instructions, and when the software is executed (e.g., by one or more processors), it can perform the operations described in any of the bending deformation correction control methods in the above embodiments.

[0167] The processor 1001 reads and executes computer program instructions stored in the memory 1002 to implement any of the bending deformation correction control methods in the above embodiments.

[0168] In one example, the electronic device may also include a communication interface 1003 and a bus 1010. For example, Figure 10 As shown, the processor 1001, memory 1002, and communication interface 1003 are connected through bus 1010 and complete communication with each other.

[0169] The communication interface 1003 is mainly used to realize communication between various modules, devices, units and / or equipment in the embodiments of this application.

[0170] Bus 1010 includes hardware, software, or both, that couples components of an online data traffic metering device together. For example, and not limitingly, the bus may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), HyperTransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an Infinite Bandwidth Interconnect, a Low Pin Count (LPC) bus, a memory bus, a Microchannel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a Video Electronics Standards Association Local (VLB) bus, or other suitable buses, or combinations of two or more of these. Where appropriate, bus 1010 may include one or more buses. Although specific buses are described and illustrated in embodiments of this application, any suitable bus or interconnect is contemplated herein.

[0171] Furthermore, in conjunction with the bending deformation correction and control methods in the above embodiments, this application embodiment can provide a computer storage medium for implementation. The computer storage medium stores computer program instructions; when these computer program instructions are executed by a processor, they implement any of the bending deformation correction and control methods in the above embodiments.

[0172] It should be clarified that this application is not limited to the specific configurations and processes described above and shown in the figures. For the sake of brevity, detailed descriptions of known methods are omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method process of this application is not limited to the specific steps described and shown. Those skilled in the art can make various changes, modifications, and additions, or change the order of steps, after understanding the spirit of this application.

[0173] The functional blocks shown in the above-described structural diagram can be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, they can be, for example, electronic circuits, application-specific integrated circuits (ASICs), appropriate firmware, plug-ins, function cards, etc. When implemented in software, the elements of this application are programs or code segments used to perform the required tasks. Programs or code segments can be stored on a machine-readable medium or transmitted over a transmission medium or communication link via data signals carried on a carrier wave. "Machine-readable medium" can include any medium capable of storing or transmitting information. Examples of machine-readable media include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio frequency (RF) links, etc. Code segments can be downloaded via computer networks such as the Internet, intranets, etc.

[0174] It should also be noted that the exemplary embodiments mentioned in this application describe methods or systems based on a series of steps or apparatus. However, this application is not limited to the order of the above steps; that is, the steps can be performed in the order mentioned in the embodiments, or in a different order, or several steps can be performed simultaneously.

[0175] The aspects of this disclosure have been described above with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this disclosure. It should be understood that each block in the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing apparatus to produce a machine such that these instructions, executable via the processor of the computer or other programmable data processing apparatus, enable the implementation of the functions / actions specified in one or more blocks of the flowchart illustrations and / or block diagrams. Such a processor can be, but is not limited to, a general-purpose processor, a special-purpose processor, a special application processor, or a field-programmable logic circuit. It is also understood that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can also be implemented by special-purpose hardware performing the specified functions or actions, or can be implemented by a combination of special-purpose hardware and computer instructions.

[0176] The above description is merely a specific implementation of this application. Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, modules, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here. It should be understood that the protection scope of this application is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this application, and these modifications or substitutions should all be covered within the protection scope of this application.

Claims

1. A system for the correction of bending deformations in a blade, the blade comprising a shell including opposite tip and root portions in a self-axial direction, and a pair of blade attachments, the blade attachments comprising at least one of a web and a spar, characterized in that, The system comprises: a correction device comprising a driving member and a plurality of force applying units distributed along an axial direction, each of the force applying units comprising a rope and a pair of tension diverting mechanisms arranged opposite to each other in a first direction, one of the pair of tension diverting mechanisms being arranged on one of the pair of blade attachments, the other of the pair of tension diverting mechanisms being arranged on the other of the pair of blade attachments, the pair of tension diverting mechanisms being located at a same measuring point section of the blade, the measuring point section being a cross section of the blade along the axial direction, the first direction intersecting the axial direction, one rope end of the rope being connected with one of the pair of tension diverting mechanisms, the other rope end of the rope being connected with the other of the pair of tension diverting mechanisms, a main rope of the rope being in driving connection with the driving member; a sensor module arranged on the blade, the sensor module being configured to collect bending deformation information of the blade; a controller configured to control movement of the driving member according to the bending deformation information to drive the plurality of force applying units to apply a correction force to one of the pair of blade attachments for correcting bending deformation of the blade; the tension diverting mechanism comprises: an anchoring assembly arranged on a surface of the blade attachment; a reversing assembly arranged on the surface of the blade attachment; wherein the rope end of the rope connected with the tension diverting mechanism is connected with the anchoring assembly, and at least part of the main rope of the rope is arranged around the reversing assembly so that the part of the rope away from the anchoring assembly is arranged to converge towards the driving member.

2. The flexion deformation correction system of claim 1, wherein, the anchoring assembly comprises: an anchoring support arranged on the surface of the blade attachment; an anchoring wheel arranged on the anchoring support and in rotational connection with the anchoring support; wherein the rope end of the rope connected with the tension diverting mechanism is provided with a thimble, and the thimble is sleeved on the anchoring wheel.

3. The bending deformation correction system according to claim 1, wherein: the reversing assembly comprises: a reversing support arranged on the surface of the blade attachment; a reversing wheel arranged on the reversing support and in rotational connection with the reversing support; wherein at least part of the main rope of the rope is arranged around the reversing wheel so that the part of the rope away from the anchoring assembly is arranged to converge towards the driving member.

4. The bending deformation correction system according to claim 1, wherein: the driving member comprises a driving motor having an output shaft, and at least part of the main rope of the rope is wound on the output shaft.

5. A blade, characterized in that The system comprises: a housing comprising opposite tip and root portions in an axial direction of the housing; blade attachments arranged in pairs within the housing, the blade attachments comprising at least one of a web and a main beam; the bending deformation correction system according to any one of claims 1 to 4.

6. The blade of claim 5, wherein the blade attachments comprise the web, and the pair of tension diverting mechanisms are symmetrically distributed along a chord direction of the blade, each of the pair of tension diverting mechanisms being arranged on a surface of one of the pair of webs facing the other. Alternatively, the blade appendage comprises the main beam, and the oppositely arranged tension steering mechanisms are symmetrically distributed along the thickness direction of the blade, and each of the tension steering mechanisms is arranged on the surface of one of the pair of main beams facing the other.

7. A wind power unit, characterized in that Comprise: The blade according to claim 5 or 6.

8. A method of orthodontic control of the curvilinear deformation, characterized by, The controller applied to the bending deformation correction system of any one of claims 1-4, the method comprises: Obtaining the bending deformation information of a plurality of measuring point sections in the blade, the bending deformation information comprising the bending deformation amount and the bending deformation direction; In response to the existence of a deformation measuring point section with a bending deformation amount greater than a deformation amount threshold, obtaining the vibration information of the deformation measuring point section; According to the bending deformation information and the vibration information of the deformation measuring point section, the target correction force corresponding to the blade is determined; Based on the target correction force, the target correction torque corresponding to the driving member is determined; The control module is used for controlling the driving member to output the target correction torque, so as to drive a plurality of tension steering mechanisms installed in the blade to correct the bending deformation of the blade.

9. The method of claim 8, wherein, According to the bending deformation information and the vibration information of the deformation measuring point section, the target correction force corresponding to the blade is determined, comprising: Determine the target blade vibration mode corresponding to the vibration information of the deformation measuring point section; From the pre-set model database, a target correction force calculation model matching the target blade vibration mode is obtained, and the model database comprises a plurality of correction force calculation models pre-established based on key factors of blade deformation and vibration; Based on the bending deformation information and the vibration information of the deformation measuring point section and the target correction force calculation model, the target correction force corresponding to the blade is determined.

10. The method of claim 9, wherein, The vibration information comprises vibration frequency and vibration amplitude, and the target correction force corresponding to the blade is determined based on the bending deformation information and the vibration information of the deformation measuring point section and the target correction force calculation model, comprising: Determine the target measuring point section with the maximum vibration amplitude in the deformation measuring point section; The bending deformation information and the vibration information of the target measuring point section are input into the target correction force calculation model to determine the correction force corresponding to the target measuring point section; The correction force corresponding to the target measuring point section is determined as the target correction force corresponding to the blade.

11. A flexion deformation correction control device, characterized by, The controller applied to the bending deformation correction system of any one of claims 1-4, the device comprises: A first acquisition module is used for acquiring the bending deformation information of a plurality of measuring point sections in the blade, and the bending deformation information comprises the bending deformation amount and the bending deformation direction; A second acquisition module is used for acquiring the vibration information of the deformation measuring point section in response to the existence of a deformation measuring point section with a bending deformation amount greater than a deformation amount threshold; A correction force determination module is used for determining the target correction force corresponding to the blade according to the bending deformation information and the vibration information of the deformation measuring point section; A correction torque determination module is used for determining the target correction torque corresponding to the driving member based on the target correction force; A control module is used for controlling the driving member to output the target correction torque, so as to drive a plurality of tension steering mechanisms installed in the blade to correct the bending deformation of the blade.

12. An electronic device, comprising: The device comprises a processor and a memory storing computer program instructions; The processor executes the computer program instructions to implement the method for controlling correction of a bending deformation according to any one of claims 8-10.

13. A computer-readable storage medium, characterized in that, The computer program instructions are stored on the computer readable storage medium and are executed by the processor to implement the method for controlling correction of a bending deformation according to any one of claims 8-10.

14. A computer program product, characterised in that, The instructions in the computer program product are executed by the processor of the electronic device to cause the electronic device to perform the method for controlling correction of a bending deformation according to any one of claims 8-10.

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