Demand power distribution method for multiple subsystems of mine truck

Abstract

The invention relates to the technical field of fuel cells, and discloses a method for distributing demand power of multiple subsystems of a mine truck, which comprises the following steps of: averaging the number of started subsystems by total demand power to obtain initial distribution power of each subsystem; according to the initial distribution power of each subsystem and the maximum operation power of the single subsystem, calculating the surplus power of the single subsystem; according to whether the surplus power of a single subsystem is positive or not, the total surplus power and the total number of surplus subsystems are obtained; according to the total surplus power and the total number of the surplus subsystems, the compensation power of the single limited subsystem is obtained; summing the initial distribution power of each subsystem and the compensation power of the single limited subsystem to obtain the request power of the operating single subsystem; according to the method, the initial distribution power of each subsystem is calculated, whether each subsystem is subjected to power limitation or not is analyzed, power distribution is dynamically adjusted according to the limitation condition, and it is guaranteed that the overall requirements of the system are met.

Description

Technical Field

[0001] The present application relates to the field of fuel cell technology, and in particular to a method for allocating power requirements to multiple subsystems of a mining truck. Background Art

[0002] In existing fuel cell systems, multiple subsystems (such as the fuel cell stack, fuel supply system, and battery management system) work together to provide stable power output. However, due to the different power requirements and limitations of each subsystem in the system, how to effectively distribute the total power within the system and reasonably compensate for power limitations when subsystems encounter power limitations remains a technical challenge.

[0003] Currently, many fuel cell systems do not have an effective power demand allocation strategy, resulting in some subsystems failing to fully utilize their maximum output capacity, or failing to meet system requirements in a timely manner due to power limitations, affecting the overall efficiency and reliability of the system.

[0004] The technical problem of the present invention is: how to ensure that the overall needs of the system are met, optimize power distribution and improve system efficiency through an accurate power allocation method when the power of the subsystem is limited. Summary of the Invention

[0005] The purpose of this application is to provide a method for allocating power requirements to multiple subsystems of a mining truck by calculating the initial allocated power of each subsystem, analyzing whether each subsystem is subject to power limitations, and dynamically adjusting power allocation based on the limitations to ensure that the overall needs of the system are met.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A method for allocating power requirements of multiple subsystems of a mining truck according to the present invention comprises the following steps:

[0008] S1. Obtain the total required power of the system and the number of powered-on subsystems;

[0009] S2. Average the total power demand by the number of powered-on subsystems to obtain the initial allocated power for each subsystem.

[0010] S3. Obtain the maximum operating power of a single subsystem, and calculate the surplus power of the single subsystem based on the initial allocated power of each subsystem and the maximum operating power of the single subsystem;

[0011] S4. If the surplus power of a single subsystem is positive, the corresponding subsystem is a surplus subsystem, and the positive surplus power and the number of corresponding surplus subsystems are summed up to obtain the total surplus power and the total number of surplus subsystems;

[0012] S5. Obtain the compensation power of a single limited subsystem based on the total surplus power and the total number of surplus subsystems, and the compensation power of the surplus subsystem is zero;

[0013] S6. Sum the initial allocated power of each subsystem and the compensation power of a single restricted subsystem to obtain the requested power of the running single subsystem. The requested power of the non-running single subsystem is zero.

[0014] Furthermore, the method of S3 includes: subtracting the maximum operating power of a single system from the initial allocated power of each subsystem to obtain a power surplus value of the single system.

[0015] Furthermore, the method of S5 includes: obtaining the total number of restricted subsystems by subtracting the total number of surplus subsystems from the number of powered-on subsystems;

[0016] The compensation power of a single limited subsystem is obtained by averaging the total surplus power over the total number of limited subsystems.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] 1. Even when the system is power-constrained, the power requirements of each subsystem can be balanced through compensation mechanisms;

[0019] 2. By accurately calculating and dynamically adjusting the power requests of each subsystem, the power allocation process is optimized, avoiding power waste and performance bottlenecks;

[0020] 3. Intelligent adjustment of power compensation is realized to ensure that each subsystem can obtain appropriate power input according to the overall needs of the system, thereby improving the overall efficiency and stability of the fuel cell system. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the following is a brief introduction to the drawings required for use in the implementation methods. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the structure of this application. DETAILED DESCRIPTION

[0023] The following describes the embodiments of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. The details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other unless they conflict.

[0024] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. Therefore, the drawings only show the layers related to the present invention and are not drawn according to the number, shape and size of the layers in actual implementation. In actual implementation, the type, quantity and proportion of each layer can be changed arbitrarily, and the layer layout type may also be more complicated.

[0025] In the following description, numerous details are set forth to provide a more thorough explanation of the embodiments of the present invention; however, it is apparent to one skilled in the art that the embodiments of the present invention may be practiced without these specific details.

[0026] See also Figure 1 A method for allocating power requirements of multiple subsystems of a mining truck comprises the following steps:

[0027] S1. Obtain the total required power of the system and the number of powered-on subsystems;

[0028] S2. Average the total power demand by the number of powered-on subsystems to obtain the initial allocated power for each subsystem.

[0029] S3. Obtain the maximum operating power of a single subsystem, and calculate the surplus power of the single subsystem based on the initial allocated power of each subsystem and the maximum operating power of the single subsystem;

[0030] S4. If the surplus power of a single subsystem is positive, the corresponding subsystem is a surplus subsystem, and the positive surplus power and the number of corresponding surplus subsystems are summed up to obtain the total surplus power and the total number of surplus subsystems;

[0031] S5. Obtain the compensation power of a single limited subsystem based on the total surplus power and the total number of surplus subsystems, and the compensation power of the surplus subsystem is zero;

[0032] S6. Sum the initial allocated power of each subsystem and the compensation power of a single restricted subsystem to obtain the requested power of the running single subsystem. The requested power of the non-running single subsystem is zero.

[0033] The method of S3 includes: subtracting the maximum operating power of a single system from the initial allocated power of each subsystem to obtain a power surplus value of the single system.

[0034] The method of S5 includes: obtaining the total number of restricted subsystems by subtracting the total number of surplus subsystems from the number of powered-on subsystems;

[0035] The compensation power of a single limited subsystem is obtained by averaging the total surplus power over the total number of limited subsystems.

[0036] In the prior art, power allocation is often static or rough, and cannot respond in real time to changes in the power requirements of each subsystem in the system. The present invention can accurately meet the power requirements of different subsystems by dynamically adjusting the compensation power. Traditional power allocation strategies fail to fully consider the actual needs of each subsystem when it is subject to power constraints. The present invention, by introducing a power compensation algorithm, ensures that the system can still operate efficiently when power is restricted. Through reasonable power compensation, the present invention ensures that even if some subsystems are restricted, the overall system can still maintain stable operation, avoiding the degradation of the overall system performance due to insufficient power in a single subsystem.

[0037] In the above embodiments, although the present invention has been described in conjunction with specific embodiments of the present invention, many replacements, modifications and variations of these embodiments will be apparent to those skilled in the art based on the foregoing description. The embodiments of the present invention are intended to cover all such replacements, modifications and variations that fall within the broad scope of the appended claims.

[0038] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed herein are intended to be covered by the claims of the present invention.

Claims

1. A method for allocating power requirements of multiple subsystems of a mining truck, characterized by: The following steps are involved: S1. Obtain the total required power of the system and the number of powered-on subsystems; S2. Average the total power demand by the number of powered-on subsystems to obtain the initial allocated power for each subsystem. S3. Obtain the maximum operating power of a single subsystem, and calculate the surplus power of the single subsystem based on the initial allocated power of each subsystem and the maximum operating power of the single subsystem; S4. If the surplus power of a single subsystem is positive, the corresponding subsystem is a surplus subsystem, and the positive surplus power and the number of corresponding surplus subsystems are summed up to obtain the total surplus power and the total number of surplus subsystems; S5. Obtain the compensation power of a single limited subsystem based on the total surplus power and the total number of surplus subsystems, and the compensation power of the surplus subsystem is zero; S6. Sum the initial allocated power of each subsystem and the compensation power of a single restricted subsystem to obtain the requested power of the running single subsystem. The requested power of the non-running single subsystem is zero.

2. The method for allocating power requirements of multiple subsystems of a mining truck according to claim 1, characterized in that: The method of S3 includes: subtracting the maximum operating power of a single system from the initial allocated power of each subsystem to obtain a power surplus value of the single system.

3. The method for allocating power requirements of multiple subsystems of a mining truck according to claim 1, characterized in that: The method of S5 includes: obtaining the total number of restricted subsystems by subtracting the total number of surplus subsystems from the number of powered-on subsystems; The compensation power of a single limited subsystem is obtained by averaging the total surplus power over the total number of limited subsystems.

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