High-altitude wind power generation device system configuration method and device based on gray scale theory

Abstract

The invention relates to the technical field of wind power generation, and discloses a high-altitude wind power generation device system configuration method and device based on a gray scale theory. A configuration scheme set is obtained, the configuration scheme set comprises multiple sets of system value schemes, and each set of system value schemes comprises value results corresponding to multiple system configuration parameters; determining the achievable degree of each value taking result in each group of system value taking schemes; based on each group of system value scheme and a stress balance model of the umbrella ladder assembly in a quasi-balance state, determining corresponding output power of each group of system value scheme at different rope speeds; determining a configuration scheme of the high-altitude wind power generation device from each group of target system value schemes based on the realizability corresponding to the target system value schemes for the target rope speed and the target system value schemes with the output power reaching the preset target output power; it can be guaranteed that the high-altitude wind power generation device can reach the expected target output power, and a scheme with the high achievable degree can be selected.

Description

Technical Field

[0001] This disclosure relates to the field of wind power generation technology, and in particular to a method and apparatus for configuring a high-altitude wind power generation system based on grayscale theory. Background Technology

[0002] High-altitude wind power generation devices are devices that convert high-altitude wind energy into electrical energy. These devices can capture strong winds hundreds or even thousands of meters above the ground to utilize stronger and more stable wind energy and improve power generation efficiency.

[0003] A typical high-altitude wind power generation device includes a ladder-type high-altitude wind power generation device, which comprises a ladder assembly and a ground system connected to the ladder assembly. During operation, the working umbrella in the ladder assembly rises under wind force, dragging the ground system via cables to convert wind energy into mechanical energy, and then into electrical energy to generate electricity. Subsequently, a control system in the ground system controls the opening and closing of the working umbrella in the ladder assembly, enabling the ladder assembly to circulate up and down, continuously converting wind energy into mechanical energy, which then drives a generator in the ground system to convert it into electrical energy.

[0004] In order for the high-altitude wind power generation device to output the target power output, the system configuration parameters of the high-altitude wind power generation device need to be designed during the equipment selection stage, such as the size and number of power umbrellas.

[0005] However, due to the complex and variable working environment of high-altitude wind power generation devices and the complex stress on the umbrella ladder components, there is currently no system configuration method for umbrella ladder-type high-altitude wind power generation devices. This leads to the problem of not being able to rationally design and configure umbrella ladder-type high-altitude wind power generation devices in the early stages of engineering design, thus affecting the power generation capacity of the entire system. Therefore, there is an urgent need for a system configuration method for high-altitude wind power generation devices based on grayscale theory. Summary of the Invention

[0006] In view of this, this disclosure proposes a system configuration method and apparatus for high-altitude wind power generation based on grayscale theory. The output power of the high-altitude wind power generation device is determined by the values ​​of various system configuration parameters. Then, the feasibility of the values ​​of various system configuration parameters is considered, and grayscale decision-making is performed based on the feasibility, providing support for the selection of system value schemes.

[0007] According to one aspect of this disclosure, a method for configuring a high-altitude wind power generation system based on grayscale theory is provided. The high-altitude wind power generation device includes: a parachute ladder assembly and a ground system connected to the parachute ladder assembly; the parachute ladder assembly is used to capture wind energy and convert the captured wind energy into mechanical energy; the ground system is used to convert the mechanical energy into electrical energy; the method includes:

[0008] Obtain a set of configuration schemes; wherein, the set of configuration schemes includes multiple sets of system value schemes, each set of system value schemes includes value results corresponding to multiple system configuration parameters, and the system configuration parameters can affect the output power of the high-altitude wind power generation device;

[0009] For each set of system value schemes, determine the feasibility of each value result in the system value scheme; wherein, the feasibility of each value result is used to indicate the possibility of the corresponding system configuration parameter being achieved with the value result;

[0010] Based on each system value scheme and the force balance model of the umbrella ladder assembly in a quasi-equilibrium state, the output power corresponding to each system value scheme at different rope speeds is determined; wherein, the quasi-equilibrium state refers to the state in which the umbrella ladder assembly rises to its maximum height and all the working umbrellas in the umbrella ladder assembly are open.

[0011] For the target rope speed and target system value scheme to achieve the preset target output power, the configuration scheme of the high-altitude wind power generation device is determined from each group of target system value schemes based on the feasibility of the target system value scheme.

[0012] In one possible implementation, the umbrella ladder assembly includes an ascending assembly located at the top in the quasi-equilibrium state, and a plurality of sequentially connected working umbrellas connecting the ascending assembly and the ground system; wherein the ascending assembly and the working umbrellas, and different working umbrellas, are connected by ropes; correspondingly, the force balance model is established with the tension of the rope connecting the ascending assembly and the working umbrellas, and the angle between the rope and the horizontal ground as unknowns, and force balance equations along the rope extension direction and perpendicular to the rope extension direction;

[0013] The determination of the output power corresponding to each system value scheme at different rope velocities, based on the force balance model of the umbrella ladder component in a quasi-equilibrium state, includes:

[0014] The tension of the rope connected to the last working umbrella connected to the ground system is determined based on the force balance model.

[0015] The output power is determined based on the tension of the rope to which the last working umbrella is connected, the energy transfer efficiency between the umbrella ladder assembly and the ground system, and the rope speed.

[0016] In one possible implementation, the force balance model includes a first force balance model for the launch assembly and a second force balance model for each power parachute.

[0017] The first force equilibrium model is expressed by the following equation:

[0018]

[0019] The second force equilibrium model is expressed by the following equation:

[0020]

[0021] Among them, F i This represents the tension in the rope connecting the launch assembly and each power parachute. In the launch assembly, i = 0, and for each power parachute, i is a positive integer starting from 1 and taking values ​​sequentially. The angle between the rope connecting the lifting assembly and the power parachute and the horizontal ground is represented by i = 0 in the lifting assembly and i = 0 for each power parachute, where i is a positive integer starting from 1; M' represents the total mass of the lifting assembly and the connected cable; F 浮 D represents the buoyancy force experienced by the lifting component. h θ represents the wind resistance experienced by the aforementioned lifting component; i The angle between the wind resistance experienced by the lifting component and the horizontal ground is represented, i = 0; M represents the total mass of the power parachute and the connected cables; D i L represents the aerodynamic drag experienced by the i-th working parachute; i α represents the aerodynamic lift force on the i-th working parachute; i This represents the angle of attack of the i-th working umbrella.

[0022] In one possible implementation, obtaining the set of configuration schemes includes:

[0023] Obtain the value range for each system configuration parameter;

[0024] Each system configuration parameter is selected from its range to form a set of system value schemes; among these schemes, at least one system configuration parameter has a different value.

[0025] In one possible implementation, determining the feasibility of each value result in each system value scheme for each set of system value schemes includes:

[0026] For each system configuration parameter value, receive the feasibility input operation for the value; obtain the feasibility indicated by the feasibility input operation;

[0027] or,

[0028] For each system configuration parameter, obtain the realizability mapping relationship corresponding to the system configuration parameter. The realizability mapping relationship is used to indicate the mapping relationship between the system configuration parameter value and the realizability. The realizability is determined based on the value and the realizability mapping relationship.

[0029] In one possible implementation, the step of determining the configuration scheme of the high-altitude wind power generation device from each set of target system value schemes, based on the feasibility of the target system value schemes, for the target rope speed and target system value scheme that can achieve the preset target output power, includes:

[0030] Based on the feasibility of the target system value scheme, the score of the target system value scheme is determined;

[0031] The configuration scheme of the high-altitude wind power generation device is determined based on the target system value scheme with the highest score.

[0032] In one possible implementation, determining the score of the target system value scheme based on the feasibility of the target system value scheme includes:

[0033] The feasibility of the scheme is obtained by multiplying the feasibility of each value result in the target system's value scheme.

[0034] The feasibility of each target system value scheme is normalized to obtain the normalization result;

[0035] The normalization result is scored based on a preset scoring range to obtain the score of the target system's value scheme.

[0036] In one possible implementation, the various system configuration parameters include the following:

[0037] Technical parameters: including the size of the power umbrella and / or the number of power umbrellas;

[0038] The model parameters of the output power calculation model include: the lift-drag coefficient reduction coefficient; and / or the energy transfer efficiency between the umbrella ladder assembly and the ground system;

[0039] The environmental parameters of the working environment of the high-altitude wind power generation device include the working wind speed of the umbrella ladder assembly.

[0040] According to another aspect of this disclosure, a high-altitude wind power generation device system configuration apparatus based on grayscale theory is provided, comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to implement the above method when executing the instructions stored in the memory.

[0041] According to another aspect of this disclosure, a non-volatile computer-readable storage medium is provided that stores computer program instructions thereon, wherein the computer program instructions, when executed by a processor, implement the above-described method.

[0042] According to another aspect of this disclosure, a computer program product is provided, including computer-readable code, or a non-volatile computer-readable storage medium carrying computer-readable code, wherein when the computer-readable code is run in a processor of an electronic device, the processor in the electronic device performs the above-described method.

[0043] By acquiring a set of configuration schemes, which includes multiple system value schemes, each containing the value results corresponding to various system configuration parameters, the feasibility of each value result in each system value scheme is determined. Based on the force balance model of each system value scheme and the umbrella ladder component in a quasi-equilibrium state, the output power corresponding to each system value scheme at different rope speeds is determined. For the target rope speed and target system value scheme that achieve the preset target output power, the configuration scheme of the high-altitude wind power generation device is determined from each set of target system value schemes based on the feasibility of the target system value scheme. This can solve the problem that the configuration scheme of the high-altitude wind power generation device cannot be determined, which may lead to the high-altitude wind power generation device not being able to achieve the expected target output power. Since the system value scheme with the highest feasibility is determined based on the target output power, it can not only ensure that the high-altitude wind power generation device can achieve the expected target output power, but also help to select a scheme with high feasibility.

[0044] Other features and aspects of this disclosure will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0045] The accompanying drawings, which are included in and form part of this specification, illustrate exemplary embodiments, features, and aspects of this disclosure together with the specification and serve to explain the principles of this disclosure.

[0046] Figure 1 A schematic diagram of a high-altitude wind power generation device according to an embodiment of the present disclosure is shown.

[0047] Figure 2A flowchart illustrating a high-altitude wind power generation device system configuration method based on grayscale theory according to an embodiment of the present disclosure is shown.

[0048] Figure 3 A schematic diagram illustrating a power calculation process according to an embodiment of the present disclosure is shown;

[0049] Figure 4 A flowchart illustrating a high-altitude wind power generation device system configuration method based on grayscale theory according to another embodiment of the present disclosure;

[0050] Figure 5 A block diagram of a high-altitude wind power generation device system configuration apparatus based on grayscale theory according to an embodiment of the present disclosure is shown.

[0051] Figure 6 A block diagram of a high-altitude wind power generation system configuration apparatus based on grayscale theory according to another embodiment of the present disclosure is shown. Detailed Implementation

[0052] Various exemplary embodiments, features, and aspects of this disclosure will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0053] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0054] Furthermore, to better illustrate this disclosure, numerous specific details are set forth in the following detailed description. Those skilled in the art will understand that this disclosure can be practiced without certain specific details. In some instances, methods, means, components, and circuits well known to those skilled in the art have not been described in detail in order to highlight the main points of this disclosure.

[0055] Figure 1 A schematic diagram of a high-altitude wind power generation device according to an embodiment of the present disclosure is shown. Figure 1 As shown, the high-altitude wind power generation device includes: a parachute ladder assembly 110 and a ground system 120 connected to the parachute ladder assembly 110.

[0056] The umbrella ladder assembly 110 is used to capture wind energy and convert the captured wind energy into mechanical energy.

[0057] The parachute ladder assembly 110 includes a lift assembly 111 and n sequentially connected power parachutes 112. n is a positive integer. The lift assembly 111 provides initial lift to the parachute ladder assembly 110 during the operation of the high-altitude wind power generation device, enabling the parachute ladder assembly 110 to ascend smoothly when the power parachutes 112 are not deployed. The lift assembly 111 includes, but is not limited to, tethered balloons (such as helium balloons or hydrogen balloons), or drones, etc. This embodiment does not limit the type of lift assembly 111.

[0058] The sequential connection of the power parachutes 112 means that the first power parachute is connected to the second power parachute via rope 113, the second power parachute is connected to the third power parachute via rope 113, the third power parachute is connected to the fourth power parachute via rope 113, and so on, until the (n-1)th power parachute is connected to the nth power parachute via rope 113. Here, the first power parachute refers to the one connected to the ascent component 111 via rope 113, and the nth power parachute refers to the one connected to the ground system 120 via rope 113.

[0059] The working umbrella 112 is generally implemented as a circular umbrella and is used to capture wind energy when it is open and convert that wind energy into tension acting on the rope, i.e., mechanical energy.

[0060] The ground system 120 includes a generator, a winch system connected to the nth working umbrella, and a control system. The winch system controls the raising and lowering of the umbrella ladder assembly 110 by winding or releasing the rope through a drum, and also regulates the tension of the rope. The rotational motion of the drum in the winch system is transmitted to the generator via a mechanical connection to convert mechanical energy into electrical energy.

[0061] The control system is used to control the operation of the overall high-altitude wind power generation device, such as controlling the opening or closing of the power umbrella 112, controlling the rotation of the winch drum and / or adjusting the tension, and controlling the operation of the generator. This embodiment does not limit the control content of the control system.

[0062] In actual implementation, high-altitude wind power generation devices may also include other components, such as power supply components, which will not be listed in this embodiment.

[0063] exist Figure 1 In the high-altitude wind power generation device shown, the output power of the device may be affected by many system configuration parameters, such as the number and size of the power umbrellas. Based on this, this application provides a system configuration method for a high-altitude wind power generation device based on grayscale theory to determine the values ​​of various system configuration parameters in the high-altitude wind power generation device, thereby enabling the output power of the high-altitude wind power generation device to reach the desired target output power. The following is a detailed description of this system configuration method for a high-altitude wind power generation device based on grayscale theory.

[0064] Figure 2 A flowchart illustrating a high-altitude wind power generation system configuration method based on grayscale theory according to an embodiment of this disclosure is provided. This embodiment uses the method in an electronic device as an example for explanation. The electronic device can be a user terminal or a server, or other device with computing capabilities. The user terminal can be a computer, tablet computer, wearable device, etc. This embodiment does not limit the type of electronic device. Figure 2 As shown, the method includes:

[0065] Step 201: Obtain a set of configuration schemes; wherein, the set of configuration schemes includes multiple sets of system value schemes, and each set of system value schemes includes the value results corresponding to multiple system configuration parameters.

[0066] System configuration parameters can affect the output power of high-altitude wind power generation devices. In other words, system configuration parameters are the key parameters that can influence the output power of high-altitude wind power generation devices.

[0067] Various system configuration parameters include technical parameters, model parameters of the output power calculation model, and environmental parameters of the working environment of the high-altitude wind power generation device.

[0068] Technical parameters are used to indicate the selection strategy for the power umbrella. For example, technical parameters include, but are not limited to, the size of the power umbrella and / or the number of power umbrellas. In other embodiments, technical parameters may also include the material of the power umbrella, etc. This embodiment does not limit the content of the technical parameters.

[0069] Model parameters are used to indicate the parameter setting strategy of the calculation model for output power. The calculation process for output power is described below. According to this process, model parameters include lift-drag coefficient reduction factors and / or energy transfer efficiency between the parachute assembly and the ground system. The lift-drag coefficient includes the lift factor and drag factor. The lift factor is a dimensionless parameter measuring the lift generated by the power-operating components (including the power parachute and the lift assembly) in a direction perpendicular to the wind direction. The lift factor is the ratio of the lift generated by the power-operating components per unit windward area to the dynamic pressure (i.e., the product of air density and the square of wind speed). The drag factor is a dimensionless parameter measuring the drag generated by the power-operating components in the windward direction. The drag factor is the ratio of the drag generated by the power-operating components per unit windward area to the dynamic pressure. Generally, the lift and drag coefficients of the power-operating components will not reach their theoretical values. Therefore, the lift and drag coefficients are reduced using lift-drag coefficient reduction factors to simulate the actual reduction process of the lift and drag coefficients. The methods for obtaining the lift-to-drag reduction factor include, but are not limited to: obtaining the lift-to-drag reduction factor set for each work component; or, determining the lift-to-drag reduction factor of the work component based on its relevant parameters and the mapping relationship between these parameters and the lift-to-drag reduction factor. These relevant parameters include, but are not limited to, parameters affecting the lift-to-drag reduction factor, such as the size, material, and / or environmental parameters of the work component. This embodiment does not limit the content of these relevant parameters or the methods for obtaining the lift-to-drag reduction factor.

[0070] Environmental parameters are used to indicate the environmental configuration strategy for high-altitude wind power generation devices. Environmental parameters include, but are not limited to, the operating wind speed of the umbrella ladder assembly.

[0071] Considering the manufacturing cost and difficulty of power umbrellas, their technical parameters typically fall within a design range. Furthermore, environmental parameters significantly impact the power output of aerial systems. For example, wind characteristics vary across regions, and the frequency of different wind speeds varies by location; therefore, a given operating wind speed also has a range. The output power calculation model includes model parameters such as lift-to-drag ratio reduction factor and air-to-ground energy transfer efficiency, the specific values ​​of which must also be considered within a certain range. Based on this, in one example, obtaining a set of configuration schemes includes: obtaining the value range of each system configuration parameter; and selecting one value from each system configuration parameter's value range to form a set of system value schemes. In each set of system value schemes, at least one system configuration parameter will have a different value.

[0072] The value range is determined based on the reasonable design range of each system configuration parameter. Optionally, the method of selecting the value result from the value range can be random selection, or selection from the value range in ascending order at preset intervals, or receiving the value result selected by the user after displaying the value range. This embodiment does not limit the method of selecting the value result.

[0073] For example: the value range of the working umbrella size is [a1, b1], the value range of the number of working umbrellas is [a2, b2], the value range of the working wind speed is [a3, b3], the value range of the lift-drag coefficient reduction coefficient is [a4, b4], and the value range of the energy transfer efficiency between the umbrella ladder assembly and the ground system is [a5, b5].

[0074] Assuming the output power of the high-altitude wind power generation device is event A, the value of the working umbrella size selected from [a1, b1] is B1, the value of the number of working umbrellas selected from [a2, b2] is B2, the operating wind speed selected from [a3, b3] is B3, the lift-drag reduction coefficient selected from [a4, b4] is B4, and the energy transfer efficiency selected from [a5, b5] is B5, different value schemes are combined to form a set of configuration schemes:

[0075] M (k) ={m ij =(A i B j )}={m i1 m i2 m i3 m i4 m i5};

[0076] Where k is a positive integer, and k represents the total number of system value schemes in the configuration scheme set. M (k) This represents a set of configuration schemes, and the set of configuration schemes includes k groups of system value schemes; m ij Event A represents the i-th output power. i The value of i is a positive integer less than or equal to k. B j This represents the value of the j-th system configuration parameter, where j is a positive integer from 1 to 5. i1 Indicates event A i The value of the first system configuration parameter, m i2 Indicates event A i The value of the second system configuration parameter, m i3 Indicates event A i The value of the third system configuration parameter, m i4 Indicates event Ai The value of the fourth system configuration parameter, m i5 Indicates event A i The value of the 5th system configuration parameter.

[0077] Step 202: For each set of system value schemes, determine the feasibility of each value result in the system value scheme.

[0078] The feasibility of each value result is used to indicate the likelihood that the corresponding system configuration parameter can be achieved with the value result.

[0079] For each set of system value schemes, determine the feasibility of each value result in the system value scheme, including but not limited to at least one of the following:

[0080] The first method: For each system configuration parameter value, receive the feasibility input operation for the value result; obtain the feasibility indicated by the feasibility input operation.

[0081] For example, electronic devices display the value results of each system configuration parameter in each system value scheme and the input control of the feasibility through a human-computer interaction interface; when a feasibility input operation is received on the input control, the feasibility corresponding to each value result indicated by the feasibility input operation is obtained.

[0082] The second method involves obtaining the realizability mapping relationship for each system configuration parameter's value, and then determining the realizability based on the value and the realizability mapping relationship. The realizability mapping relationship indicates the mapping relationship between the system configuration parameter's value and its realizability.

[0083] Optionally, the realizability mapping relationship may differ for different system configuration parameters.

[0084] For example, the feasibility mapping relationship of the working umbrella size is shown in Table 1 below. According to Table 1, when the radius of the working umbrella is 20m, the corresponding feasibility is 1; when the radius of the working umbrella is 30m, the corresponding feasibility is 1; when the radius of the working umbrella is 40m, the corresponding feasibility is 0.85, etc.

[0085] Table 1:

[0086] Dimensions of the functional umbrella (radius: m) Feasibility 20 1 30 1 40 0.85 50 0.5 60 0.3 65 0

[0087] For example, the feasibility mapping relationship corresponding to the number of working umbrellas is shown in Table 2 below. According to Table 2, when the number of working umbrellas is 20m, the corresponding feasibility is 1; when the number of working umbrellas is 2, the corresponding feasibility is 1; when the number of working umbrellas is 3, the corresponding feasibility is 0.9, etc.

[0088] Table 2:

[0089] Number of umbrellas Feasibility 1 1 2 1 3 0.9 4 0.8 5 0.7 6 0.6

[0090] For example, the mapping relationship between the lift-to-drag ratio reduction factor and the feasibility is shown in Table 3 below. According to Table 3, when the lift-to-drag ratio reduction factor is 95%, the corresponding feasibility is 0.6; when the lift-to-drag ratio reduction factor is 80%, the corresponding feasibility is 0.7; when the lift-to-drag ratio reduction factor is 70%, the corresponding feasibility is 0.8, and so on.

[0091] Table 3:

[0092] Lift-to-drag ratio reduction factor Feasibility 95％ 0.6 80％ 0.7 70％ 0.8 60％ 0.9 50％ 1

[0093] For example, the mapping relationship between energy transmission efficiency and feasibility is shown in Table 4 below. According to Table 4, when the energy transmission efficiency is 90%, the corresponding feasibility is 0.5; when the energy transmission efficiency is 85%, the corresponding feasibility is 0.6; when the energy transmission efficiency is 80%, the corresponding feasibility is 0.7, and so on.

[0094] Table 4:

[0095] Energy transfer efficiency Feasibility 90％ 0.5 85％ 0.6 80％ 0.7 70％ 0.8 60％ 1

[0096] For example, the feasibility mapping relationship corresponding to the working wind speed is shown in Table 5 below. According to Table 5, when the working wind speed is 10m / s-20m / s, the corresponding feasibility is 1.

[0097] Table 5:

[0098] Operating wind speed (m / s) Feasibility 10 1 12 1 14 1 16 1 18 1 20 1

[0099] Optionally, the feasibility of each system configuration parameter can be assigned based on methods such as data statistics, literature analysis, and expert evaluation. Specifically, the power umbrella is the core component of the entire system. The number and size of the power umbrellas mainly determine the tension provided by the umbrella ladder assembly, and thus the output power of the high-altitude wind power generation device. Based on this, the feasibility of different power umbrella sizes can be quantified by considering the manufacturing difficulty and cost coefficients of different sizes of power umbrellas provided by the power umbrella manufacturer, and by referring to expert evaluation opinions. Regarding the number of power umbrellas, the impact of the number of power umbrellas on the control difficulty is mainly considered. The more umbrellas there are, the greater the control difficulty. The feasibility of different numbers of power umbrellas is quantified based on the performance of the control system and expert evaluation. Regarding external environmental factors, the impact of operating wind speed is mainly considered. By analyzing the measured operating wind speeds at different project construction sites and combining the design and testing opinions of the equipment manufacturer, the feasibility of different operating wind speeds is quantified. For model parameters, such as the lift-drag coefficient of the power parachute, which is mainly affected by factors such as the parachute material and flow field, the relationship between the lift-drag coefficient and the angle of attack can be obtained based on high-precision numerical simulation. Combining the opinions of manufacturers and experts, the overall lift coefficient can be multiplied by a lift coefficient reduction factor to quantify the achievability of different lift coefficient reduction factors. The achievability of different energy transfer efficiency values ​​can be obtained through model experiments and expert evaluation.

[0100] Assume that different combinations of value schemes form the configuration scheme set in the above embodiments:

[0101] M (k) ={m ij =(A i B j )}={m i1 m i2 m i3 m i4 m i5};

[0102] After determining the feasibility of the values ​​of each system configuration parameter in each system value scheme, the following feasibility sequence can be obtained:

[0103] u (k) ={P i1 P i2 P i3 P i4 P i5};

[0104] Where k is a positive integer, u (k) P represents the sequence of realizability corresponding to k sets of system value schemes; i1 Event A represents the output power. iThe feasibility of obtaining the value of the first system configuration parameter, P i2 Indicates event A i The value of the second system configuration parameter, P. i3 Indicates event A i The value of the third system configuration parameter, P i4 Indicates event A i The value of the fourth system configuration parameter, P i5 Indicates event A i The value of the 5th system configuration parameter. The value of i is a positive integer less than or equal to k.

[0105] Step 203: Based on the system value scheme for each group and the force balance model of the umbrella ladder assembly in the quasi-equilibrium state, determine the output power corresponding to each system value scheme at different rope speeds; wherein, the quasi-equilibrium state refers to the state in which the umbrella ladder assembly rises to the maximum height and all the working umbrellas in the umbrella ladder assembly are open.

[0106] In this embodiment, the force balance model is established using the tension of the rope connecting the lifting component and the power parachute, as well as the angle between the rope and the horizontal ground, as unknown quantities, and the force balance equations along the rope extension direction and perpendicular to the rope extension direction.

[0107] The rope connecting the launch component refers to the rope used to connect the launch component to the first operational parachute, while the rope connecting the operational parachute refers to the rope used to connect the operational parachute to the next operational parachute.

[0108] In this embodiment, the lifting component is located at the top. Within the parachute ladder assembly, the forces acting on the lifting component include its own weight, buoyancy, wind resistance, and cable tension. In the geodetic coordinate system, the speed of the wind relative to the lifting component is expressed by the following formula:

[0109]

[0110] Where x represents the direction parallel to the horizontal ground, z represents the direction perpendicular to the horizontal ground, and V x V represents the speed of the wind relative to the launch component in a direction parallel to the horizontal ground. f V represents the operating wind speed. f This is a simulated operating wind speed, V, set for high-altitude wind power generation devices. fx V represents the wind speed component in the direction parallel to the horizontal ground. s This represents the rope speed, which is the same as the speed of the lifting component. V s This is a simulated release rope speed set for high-altitude wind power generation devices; V sx V represents the velocity component of the rope in the direction parallel to the horizontal ground. zV represents the speed of the wind relative to the launch component in the direction perpendicular to the horizontal ground. fz This represents the wind speed component perpendicular to the horizontal ground. In this embodiment, we will use an example where the wind speed is parallel to the horizontal ground. In this case, V f =V fx V fz =0; V sz V represents the velocity component of the rope in the direction perpendicular to the horizontal ground. h This indicates the speed of the wind relative to the lifting components.

[0111] The angle θ between wind resistance and the horizontal ground can be expressed by the following formula:

[0112]

[0113] Wind resistance is expressed by the following formula:

[0114]

[0115] Where, ρ h The value S represents the air density at the altitude of the launch component, and S is the windward area of ​​the launch component. Taking a helium balloon as an example, S = πR 2 R is the maximum radius of the helium balloon, C D 'This represents the value of the drag coefficient of the lift-drag ratio component multiplied by the lift-drag ratio reduction factor.

[0116] The total weight of the launch component is M′g, where M′=(m h +m line ), m h The mass m represents the mass of the launch component. line This indicates the mass of the rope to which the lifting assembly is connected.

[0117] The mass m of the launch component h This can be expressed by the following formula:

[0118]

[0119] in, This indicates the mass of the air-lift component per unit windward area.

[0120] The mass of the rope to which the lifting assembly is connected is expressed by the following formula:

[0121]

[0122] Where, r h The length of the rope to which the lifting assembly is connected. The mass per unit length of the rope to which the lifting assembly is connected.

[0123] Based on the above, the force balance model includes a first force balance model for the launch component, which is expressed by the following formula:

[0124]

[0125] F 浮 =(ρ h -ρ H Vg;

[0126] Among them, F 浮 This represents the buoyancy force acting on the lifting component; taking a helium balloon as an example, ρ is the volume of the helium balloon, g is the acceleration due to gravity, and ρ is the velocity of the helium balloon. H Let ρ be the density of helium gas in the helium balloon, R be the spherical radius of the helium balloon, and ρ be the density of helium gas in the balloon. h F represents the air density at the altitude of the launch component. i This represents the tension in the rope connecting the launch assembly and each working parachute; in the launch assembly, i = 0. The angle between the rope connecting the launch assembly and the power parachute and the horizontal ground is represented by i = 0 in the launch assembly; M' represents the total mass of the launch assembly; D h θ represents the wind resistance experienced by the lifting components. i The angle between the wind resistance and the horizontal ground is represented by i = 0.

[0127] By solving the first force equilibrium model, the tension F of the rope connecting the lifting component and the angle between the rope and the horizontal ground can be obtained.

[0128] The force situation of the working umbrella is analyzed below. In the geodetic coordinate system, the wind velocity V relative to the i-th working umbrella is... i The speed V of the airborne component relative to the wind h The calculation formula is consistent with the formula for calculating the speed of wind relative to the lifting component, which is the same as the formula mentioned above. Only the V value in this formula needs to be changed. x Replace with V xi , representing the velocity of the wind relative to the i-th working umbrella in the direction parallel to the horizontal ground, and V in the formula z Replace with V zi , representing the velocity of the wind relative to the i-th working umbrella in the direction perpendicular to the horizontal ground, and V in the formula h Replace with V i , where represents the speed of the wind relative to the i-th working umbrella, will not be elaborated further in this embodiment.

[0129] The angle θ between the wind's velocity relative to the i-th working umbrella and the horizontal ground. i This can be expressed by the following formula:

[0130]

[0131] Among them, V i V is the velocity of the wind relative to the i-th working umbrella. zi This represents the speed of the wind relative to the i-th working umbrella in the direction perpendicular to the horizontal ground.

[0132] The angle between the rope connected to the i-th working umbrella and the horizontal ground This can be expressed by the following formula:

[0133]

[0134] Where, α i This represents the angle of attack of the i-th active parachute. The angle of attack of the i-th active parachute is the angle between the flight direction of the i-th active parachute and the relative wind direction.

[0135] The aerodynamic drag D experienced by the i-th working parachute i and the aerodynamic lift L of the i-th working parachute i They are expressed by the following formulas respectively:

[0136]

[0137] Where, ρ p Let A be the air density at the height of the i-th working umbrella, and let A be the characteristic area of ​​the i-th working umbrella. Taking the working umbrella as a sphere as an example, A = πr 2 r is the maximum radius of the power parachute, C L (α) is the lift coefficient of the i-th working parachute multiplied by the lift-drag reduction factor, C D (α) is the drag coefficient of the i-th power parachute multiplied by the lift-drag coefficient reduction factor. The values ​​of the lift coefficient and drag coefficient (i.e., the lift-drag coefficient mentioned above) are determined based on the angle of attack of the i-th power parachute.

[0138] In this embodiment, the electronic device is pre-set with a first curve showing the relationship between lift coefficient and angle of attack, and a second curve showing the relationship between drag coefficient and angle of attack. Based on the current angle of attack of the i-th working parachute and the first curve, the lift coefficient of the i-th working parachute can be determined, and based on the current angle of attack of the i-th working parachute and the second curve, the drag coefficient of the i-th working parachute can be determined. The first and second curves can be obtained by fitting data on the correspondence between angle of attack and lift coefficient and drag coefficient during actual operation of the working parachute.

[0139] The total weight of the power umbrella includes the weight of the umbrella itself and the weight of the ropes to which it is connected. The total weight of the power umbrella can be expressed by the following formula:

[0140] Mg=(ms +m line g;

[0141] Where, m s Let m represent the mass of the i-th working umbrella. s Based on the characteristic area and mass per unit area of ​​the i-th working umbrella, it can be specifically represented by the following formula:

[0142]

[0143] in, Let be the unit area mass of the i-th working umbrella.

[0144] The mass of the rope connected to the i-th working umbrella is m. line This can be expressed by the following formula:

[0145]

[0146] Where, r s This represents the length of the rope connected to the i-th working umbrella. It is the mass of a unit length of rope.

[0147] Based on the above, the force balance model also includes a second force balance model for each working umbrella, which is expressed by the following formula:

[0148]

[0149] Among them, F i Let F0 represent the tension in the rope connecting the launch assembly and the i-th working umbrella. For each working umbrella, i is a positive integer starting from 1; that is, F0 represents the tension in the rope connecting the launch assembly. Since the tension on the first working umbrella includes the upward tension generated by the rope connecting the launch assembly and the downward tension generated by the connecting rope to the working umbrella, F0 is... i-1 This represents the tension in the ropes connecting the launch assembly. The tension experienced by the second and subsequent launch parachutes includes an upward tension along the ropes connected to the previous launch parachute, and a downward tension along the ropes connected to that launch parachute. Therefore, F at this time... i-1 M represents the tension in the rope connected to the previous working umbrella. M represents the total mass of the i-th working umbrella; The angle between the rope connecting the launch assembly and the power parachute and the horizontal ground is represented. For each power parachute, i is a positive integer starting from 1 and taking values ​​sequentially.

[0150] By solving the second force equilibrium model, the tension F of the rope connected to each working umbrella can be obtained sequentially. i and the angle between the rope and the horizontal ground

[0151] Based on the force balance model of each system value scheme and the umbrella ladder component in a quasi-equilibrium state, the output power corresponding to each system value scheme at different rope speeds is determined, including: determining the tension of the rope connected to the last working umbrella connected to the ground system based on the force balance model; and determining the output power based on the tension of the rope connected to the last working umbrella, the energy transfer efficiency between the umbrella ladder component and the ground system, and the rope speed. Here, rope speed refers to the speed at which the ground system releases the rope.

[0152] The output power P can be expressed by the following formula:

[0153] P = ηF j V s

[0154] Where η represents energy transfer efficiency; F j V represents the tension in the rope to which the last working umbrella is connected; s This represents the rope speed. Therefore, the calculation model for output power P includes the above formula and the aforementioned force balance model. In the formula for output power P, j represents the number of working umbrellas in each system configuration; the maximum radius r of the working umbrellas in the force balance model represents the size of the working umbrellas in each system configuration; the lift-drag coefficient reduction factor in the force balance model represents the lift-drag coefficient reduction factor in each system configuration; the energy transmission efficiency η in the formula for output power P represents the energy transmission efficiency in each system configuration; and the working wind speed V in the force balance model... f The operating wind speed in each system's value scheme.

[0155] refer to Figure 1The high-altitude wind power generation device shown assumes that the parachute ladder system is released at a constant rope speed. The entire ladder assembly is in a stable upward working phase. At this time, the lifting components and the working parachute are subjected to forces in the wind, which pull the ground system to perform work through the ropes (such as cables). The wind energy captured in the air is transferred to the ground for power generation with a certain efficiency. For the force-bearing units such as the working parachute, the force situation of each working component is determined based on the aerodynamic lift and drag calculation formulas, according to the wind speed, rope speed, and attitude of the working parachute. The lift coefficient and drag coefficient of the working parachute are fitted curves obtained through high-precision numerical simulation. In the process of calculating the output power, the tension of the ropes between the working components and the angle between the ropes and the horizontal ground are treated as unknowns. Considering the force balance, the force balance model is solved sequentially from the uppermost lifting component downwards. The wind energy captured by the working umbrella in the air is converted into mechanical energy. The mechanical energy is transmitted through the rope to drive the generator set in the ground system to convert into electrical energy. During the energy conversion process, some energy will be consumed due to factors such as friction. Therefore, the output power of the high-altitude wind power generation device is the product of the tension and speed of the rope connected to the last working umbrella and the energy transmission efficiency.

[0156] See Figure 3 The diagram illustrates the inputs and outputs in the power calculation process. Input parameters include the size and number of power umbrellas in the system's parameter selection scheme, as well as the rope speed. Built-in model parameters include: the curves showing the lift-drag coefficient of the power umbrella as a function of the angle of attack (i.e., the first and second curves mentioned above), the lift-drag coefficient reduction factor, and the energy transfer efficiency. Output parameters include: the output power at different rope speeds. Various system configuration parameters include the size and number of power umbrellas, rope speed, lift-drag coefficient reduction factor, and energy transfer efficiency.

[0157] Step 204: For the target rope speed and target system value scheme that achieve the preset target output power, determine the configuration scheme of the high-altitude wind power generation device from each group of target system value schemes based on the feasibility of the target system value scheme.

[0158] The realizability of the target system value scheme refers to the sequence of realizability of each value result in the target system value scheme; or, it can be the product of the realizability of each value result in the target system value scheme.

[0159] For each system value scheme, the output power corresponding to the system value scheme at different rope speeds can be determined based on step 203. If the output power is greater than or equal to the target output power, then the rope speed that can achieve the target output power is determined as the target rope speed, and correspondingly, the system value scheme is the target system value scheme. Optionally, each target system value scheme can correspond to at least one target rope speed.

[0160] In one example, the electronic device can determine the configuration scheme of the high-altitude wind power generation device by calculating only the feasibility of the target system value scheme. In this case, it is necessary to determine the target system value scheme from multiple system value schemes.

[0161] Schematic, for each system value scheme, the electronic device sets the feasibility of each rope speed corresponding to the system value scheme, sets the feasibility of rope speeds that can achieve the target output power to 1, sets the feasibility of rope speeds that cannot achieve the target output power to 0, determines the product of the feasibility of each value result in the system value scheme and the feasibility of rope speed, and determines the system value scheme and rope speed whose product is not 0 as the target system value scheme and target rope speed.

[0162] For example, the product of the realizability of the i-th system value scheme and the realizability of the rope speed is expressed by the following formula:

[0163] P (k) =P i1 ×P i2 ×P i3 ×P i4 ×P i5 ×P i6 ;

[0164] Where k is a positive integer, representing the total number of possible system values; i takes the value of a positive integer less than or equal to k, P i1 Event A represents the output power. i The feasibility of obtaining the value of the first system configuration parameter, P i2 Indicates event A i The value of the second system configuration parameter, P. i3 Indicates event A i The value of the third system configuration parameter, P i4 Indicates event A i The value of the fourth system configuration parameter, P i5 Indicates event A i The value of the 5th system configuration parameter; P i6 Indicates event A i Results of different rope speed values.

[0165] Alternatively, instead of setting an achievability threshold for the rope speed, the rope speed and system value schemes that cannot reach the target output power can be filtered out, and the rope speed and corresponding system value schemes obtained after filtering out the latter can be determined as the target rope speed and target system value scheme.

[0166] In another example, the electronic device can calculate not only the feasibility of the target system value scheme, but also the feasibility of other system value schemes besides the target system value scheme, in order to determine the configuration scheme of the high-altitude wind power generation device. In this case, there is no need to perform the screening process of the target system value scheme.

[0167] Optionally, the configuration scheme of the high-altitude wind power generation device is determined from each group of target system value schemes by scoring the target system value schemes. Illustratively, the electronic equipment establishes a gray-scale decision-making method, determining the feasibility of each target value scheme based on the degree of incompleteness, uncertainty, or ambiguity of the value results, and then scoring it to determine the configuration scheme of the high-altitude wind power generation device. Specifically, for a target rope speed and target system value scheme whose output power can reach the preset target output power, the configuration scheme of the high-altitude wind power generation device is determined from each group of target system value schemes based on the feasibility of the target system value scheme. This includes: determining the score of the target system value scheme based on its feasibility; and determining the configuration scheme of the high-altitude wind power generation device based on the target system value scheme with the highest score.

[0168] In one example, the score of the target system value scheme is determined based on the feasibility of the corresponding value scheme of the target system. This includes: determining the product of the feasibility of each value result in the target system value scheme to obtain the scheme feasibility; normalizing the scheme feasibility of each target system value scheme to obtain the normalized result; and assigning a score to the normalized result based on a preset scoring range to obtain the score of the target system value scheme.

[0169] Optionally, if the electronic device sets the feasibility of the rope speed, the feasibility of the solution is the product of the feasibility of each value and the feasibility of the rope speed; if the electronic device does not set the feasibility of the rope speed, the feasibility of the solution is the product of the feasibility of each value.

[0170] Normalize the feasibility of the solution to obtain the normalized result n(P) (k) This can be expressed by the following formula:

[0171]

[0172] If the feasibility of all system value schemes is processed, then min(P) (k) ) is the minimum realizability of the scheme among all possible system values; max(P) (k) ) is the maximum realizability of all possible system options. If only the realizability of the target system options is considered, then min(P) is the maximum value. (k)) is the minimum realizability of all possible solutions for the target system; max(P) (k) P is the maximum realizability of all possible solutions for the target system. (k) This indicates the feasibility of the current value selection scheme.

[0173] Assigning scores to the normalized results based on a preset scoring range transforms the normalized results into values ​​within that range. Illustratively, assigning scores to the normalized results based on a preset scoring range yields the score s(P) of the target system's value scheme. (k) This can be expressed by the following formula:

[0174] s(P (k) ) = s min +(s max -s min )n(P (k) );

[0175] Among them, S min This represents the lowest score within the scoring range, for example: s min =0; S max This represents the highest score within the scoring range, for example: s max =100; n(P) (k) ) represents the normalization result.

[0176] In another example, the feasibility of each possible value in the target system's value scheme is determined by multiplying the feasibility of the scheme, and this feasibility is the score of the target system's value scheme.

[0177] In other embodiments, the method of determining the score of the target system value scheme based on the feasibility of the scheme can also be other methods. This embodiment does not limit the method of determining the score of the target system value scheme.

[0178] In summary, the high-altitude wind power generation device system configuration method based on grayscale theory provided in this embodiment obtains a set of configuration schemes. This set includes multiple system value schemes, each containing the value results corresponding to various system configuration parameters. For each system value scheme, the feasibility of each value result is determined. Based on the force balance model of each system value scheme and the umbrella ladder component in a quasi-equilibrium state, the output power corresponding to each system value scheme at different rope speeds is determined. For the target rope speed and target system value scheme where the output power reaches the preset target output power, the configuration scheme of the high-altitude wind power generation device is determined from each set of target system value schemes based on the feasibility of the target system value scheme. This solves the problem that the high-altitude wind power generation device may not achieve the expected target output power due to the inability to determine the configuration scheme. Since the system value scheme with the highest feasibility is determined based on the target output power, it not only ensures that the high-altitude wind power generation device can achieve the expected target output power but also helps to select a scheme with high feasibility.

[0179] To better understand the method for determining the configuration scheme of a high-altitude wind power generation device provided in the above embodiments, an example is given below to illustrate the method. (Reference) Figure 4 This example illustrates the system configuration parameters in each system configuration scheme, including technical parameters, model parameters, and environmental parameters. Technical parameters include the size and number of working umbrellas; model parameters include the lift-drag reduction coefficient and the energy transfer efficiency between the umbrella ladder assembly and the ground system; and environmental parameters include the operating wind speed of the umbrella ladder assembly. According to... Figure 4 It can be seen that the method includes the following steps:

[0180] Step 401: Obtain a set of configuration schemes. This set of configuration schemes includes multiple sets of system value schemes, and each set of value schemes includes the value results of each system configuration parameter.

[0181] Step 402: Determine the feasibility of each value result in the system's value selection scheme;

[0182] Step 403: Calculate the output power of each system value scheme at different rope speeds based on the output power calculation model;

[0183] Step 404: Establish a gray-scale decision-making method, determine the feasibility of each target value scheme and score it, and determine the scheme with the highest score as the configuration scheme of the high-altitude wind power generation device.

[0184] In this embodiment, the feasibility of various system configuration parameter values ​​is considered, and a gray-scale decision is made based on the feasibility to provide support for the selection of system value schemes.

[0185] Figure 5 A block diagram of a high-altitude wind power generation system configuration apparatus based on grayscale theory according to an embodiment of the present disclosure is shown. Figure 5 As shown, the device includes: a scheme acquisition module 510, a feasibility determination module 520, a power determination module 530, and a scheme determination module 540.

[0186] The scheme acquisition module 510 is used to acquire a set of configuration schemes; wherein, the set of configuration schemes includes multiple sets of system value schemes, each set of system value schemes includes value results corresponding to multiple system configuration parameters, and the system configuration parameters can affect the output power of the high-altitude wind power generation device;

[0187] The feasibility determination module 520 is used to determine the feasibility of each value result in each system value scheme for each group of system value schemes; wherein, the feasibility of each value result is used to indicate the possibility of the corresponding system configuration parameter being realized with the value result;

[0188] The power determination module 530 is used to determine the output power of each system value scheme at different rope speeds based on each system value scheme and the force balance model of the umbrella ladder assembly in a quasi-equilibrium state; wherein, the quasi-equilibrium state refers to the state in which the umbrella ladder assembly rises to its maximum height and all the working umbrellas in the umbrella ladder assembly are open.

[0189] The scheme determination module 540 is used to determine the configuration scheme of the high-altitude wind power generation device from each group of target system value schemes based on the feasibility of the target rope speed and target system value scheme for achieving the preset target output power.

[0190] For relevant details, please refer to the above method implementation examples.

[0191] In some embodiments, the functions or modules of the apparatus provided in this disclosure can be used to perform the methods described in the above method embodiments. The specific implementation can be referred to the description of the above method embodiments, and for the sake of brevity, it will not be repeated here.

[0192] This disclosure also proposes a computer-readable storage medium storing computer program instructions that, when executed by a processor, implement the above-described method. The computer-readable storage medium can be volatile or non-volatile.

[0193] This disclosure also proposes an electronic device, including: a processor; and a memory for storing processor-executable instructions; wherein the processor is configured to implement the above method when executing the instructions stored in the memory.

[0194] This disclosure also provides a computer program product, including computer-readable code, or a non-volatile computer-readable storage medium carrying computer-readable code, wherein when the computer-readable code is run in a processor of an electronic device, the processor in the electronic device performs the above-described method.

[0195] Figure 6 This is a block diagram illustrating a high-altitude wind power generation system configuration device 1900 based on grayscale theory, according to an exemplary embodiment. For example, device 1900 can be provided as a server or terminal device. (Refer to...) Figure 6 The apparatus 1900 includes a processing component 1922, which further includes one or more processors, and memory resources represented by memory 1932 for storing instructions, such as application programs, that can be executed by the processing component 1922. The application programs stored in memory 1932 may include one or more modules, each corresponding to a set of instructions. Furthermore, the processing component 1922 is configured to execute instructions to perform the methods described above.

[0196] Device 1900 may also include a power supply component 1926 configured to perform power management of device 1900, a wired or wireless network interface 1950 configured to connect device 1900 to a network, and an input / output interface 1958 (I / O interface). Device 1900 can operate on an operating system, such as Windows Server, stored in memory 1932. TM macOS X TM Unix TM Linux TM FreeBSD TM Or similar.

[0197] In an exemplary embodiment, a non-volatile computer-readable storage medium is also provided, such as a memory 1932 including computer program instructions that can be executed by a processing component 1922 of the device 1900 to perform the above-described method.

[0198] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or technical improvements to the embodiments in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A method for configuring a high-altitude wind power generation system based on grayscale theory, characterized in that, The high-altitude wind power generation device includes: a parachute ladder assembly and a ground system connected to the parachute ladder assembly; the parachute ladder assembly is used to capture wind energy and convert the captured wind energy into mechanical energy; the ground system is used to convert the mechanical energy into electrical energy; the method includes: Obtain a set of configuration schemes; wherein, the set of configuration schemes includes multiple sets of system value schemes, each set of system value schemes includes value results corresponding to multiple system configuration parameters, and the system configuration parameters can affect the output power of the high-altitude wind power generation device; For each set of system value schemes, determine the feasibility of each value result in the system value scheme; wherein, the feasibility of each value result is used to indicate the possibility of the corresponding system configuration parameter being achieved with the value result; Based on each system value scheme and the force balance model of the umbrella ladder assembly in a quasi-equilibrium state, the output power corresponding to each system value scheme at different rope speeds is determined; wherein, the quasi-equilibrium state refers to the state in which the umbrella ladder assembly rises to its maximum height and all the working umbrellas in the umbrella ladder assembly are open. For the target rope speed and target system value scheme to achieve the preset target output power, the configuration scheme of the high-altitude wind power generation device is determined from each group of target system value schemes based on the feasibility of the target system value scheme.

2. The method according to claim 1, characterized in that, The umbrella ladder assembly includes an air-lifting assembly located at the top in the quasi-equilibrium state, and a plurality of sequentially connected working umbrellas connecting the air-lifting assembly and the ground system; wherein, the air-lifting assembly and the working umbrellas, as well as different working umbrellas, are connected by ropes; correspondingly, the force balance model is established with the tension of the rope connecting the air-lifting assembly and the working umbrellas, and the angle between the rope and the horizontal ground as unknowns, and force balance equations along the rope extension direction and perpendicular to the rope extension direction; The determination of the output power corresponding to each system value scheme at different rope velocities, based on the force balance model of the umbrella ladder component in a quasi-equilibrium state, includes: The tension of the rope connected to the last working umbrella connected to the ground system is determined based on the force balance model. The output power is determined based on the tension of the rope to which the last working umbrella is connected, the energy transfer efficiency between the umbrella ladder assembly and the ground system, and the rope speed.

3. The method according to claim 2, characterized in that, The force balance model includes a first force balance model for the launch assembly and a second force balance model for each power parachute. The first force equilibrium model is expressed by the following equation: The second force equilibrium model is expressed by the following equation: Among them, F i This represents the tension in the rope connecting the launch assembly and each power parachute. In the launch assembly, i = 0, and for each power parachute, i is a positive integer starting from 1 and taking values ​​sequentially. The angle between the rope connecting the lifting assembly and the power parachute and the horizontal ground is represented by i = 0 in the lifting assembly and i = 0 for each power parachute, where i is a positive integer starting from 1; M' represents the total mass of the lifting assembly and the connecting cable; F 浮 D represents the buoyancy force experienced by the lifting component. h θ represents the wind resistance experienced by the aforementioned lifting component; i The angle between the wind resistance experienced by the lifting component and the horizontal ground is represented, i = 0; M represents the total mass of the power parachute and the connected cables; D i L represents the aerodynamic drag experienced by the i-th working parachute; i α represents the aerodynamic lift force on the i-th working parachute; i This represents the angle of attack of the i-th working umbrella.

4. The method according to claim 1, characterized in that, The set of configuration schemes to be obtained includes: Obtain the value range for each system configuration parameter; Each system configuration parameter is selected from its range to form a set of system value schemes; among these schemes, at least one system configuration parameter has a different value.

5. The method according to claim 1, characterized in that, For each set of system value selection schemes, determining the feasibility of each value result in the system value selection scheme includes: For each system configuration parameter value, receive the feasibility input operation for the value; obtain the feasibility indicated by the feasibility input operation; or, For each system configuration parameter, obtain the realizability mapping relationship corresponding to the system configuration parameter. The realizability mapping relationship is used to indicate the mapping relationship between the system configuration parameter value and the realizability. The realizability is determined based on the value and the realizability mapping relationship.

6. The method according to claim 1, characterized in that, For the target rope speed and target system value scheme that can achieve the preset target output power, based on the feasibility of the target system value scheme, the configuration scheme of the high-altitude wind power generation device is determined from each group of target system value schemes, including: Based on the feasibility of the target system value scheme, the score of the target system value scheme is determined; The configuration scheme of the high-altitude wind power generation device is determined based on the target system value scheme with the highest score.

7. The method according to claim 6, characterized in that, The step of determining the score of the target system value scheme based on the feasibility of the target system value scheme includes: The feasibility of the scheme is obtained by multiplying the feasibility of each value result in the target system's value scheme. The feasibility of each target system value scheme is normalized to obtain the normalization result; The normalization result is scored based on a preset scoring range to obtain the score of the target system's value scheme.

8. The method according to any one of claims 1 to 7, characterized in that, The various system configuration parameters include the following: Technical parameters: including the size of the power umbrella and / or the number of power umbrellas; The model parameters of the output power calculation model include: the lift-drag coefficient reduction coefficient; and / or the energy transfer efficiency between the umbrella ladder assembly and the ground system; The environmental parameters of the working environment of the high-altitude wind power generation device include the working wind speed of the umbrella ladder assembly.

9. A configuration device for a high-altitude wind power generation system based on grayscale theory, characterized in that, include: processor; Memory used to store processor-executable instructions; The processor is configured to implement the method of any one of claims 1 to 8 when executing instructions stored in the memory.

10. A non-volatile computer-readable storage medium storing computer program instructions thereon, characterized in that, When the computer program instructions are executed by the processor, they implement the method described in any one of claims 1 to 8.

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