Motor system, torque output method, device, storage medium, and program product

Abstract

The application relates to a motor system, a torque output method, equipment, a storage medium and a program product, and relates to the technical field of new energy vehicles. The system comprises a motor controller and at least one modular motor. The motor controller is used for determining respective torque requirements of the at least one modular motor based on respective torque distribution coefficients of the at least one modular motor and a total torque requirement of a vehicle, and respectively sending the corresponding torque requirements to the at least one modular motor. The modular motor is used for receiving and responding to the torque requirements to output respective corresponding torques. Therefore, the application can adapt to different requirements of different vehicle models or application scenarios on a power system.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy vehicles, in particular to the technical field of electric machines, and specifically relates to an electric machine system, a torque output method, an equipment, a storage medium and a program product. BACKGROUND

[0002] With the continuous development of the automobile industry and the increasing diversification of consumer demand for vehicle performance, different vehicle models or application scenarios have significantly different requirements for power systems. This difference mainly manifests in power output characteristics, energy utilization efficiency, system reliability, cost control, and environmental adaptability.

[0003] In related technology CN20471955U, the two ends of the rotating shaft on the motor body are designed as output and input ends, respectively, and the shapes are adapted to each other, thereby realizing flexible combination of different motor modules and constructing a diversified power system. The motor also integrates a rotating speed sensor and a control module to realize intelligent rotating speed monitoring and adjustment.

[0004] In related technology US11870322B2, two interconnected motors are connected in a modular manner, a polygonal shaft and offset power contacts are used to realize flexible adjustment of total power output, and the magnets in each motor are magnetically aligned, and the rotor is rotatably mounted on the shaft.

[0005] However, the electric machine systems in related technologies mostly adopt unified design standards, which are difficult to meet these diversified power requirements at the same time. SUMMARY

[0006] The present application provides an electric machine system, a torque output method, an equipment, a storage medium and a program product to at least solve the technical problem that the electric machine in related technologies is difficult to meet the power requirements of different vehicle models or application scenarios at the same time. The technical solutions of the present application are as follows:

[0007] According to a first aspect provided by the present application, an electric machine system is provided, which includes an electric machine controller and at least one modular electric machine. The electric machine controller is configured to determine the respective torque requirements of the at least one modular electric machine based on the respective torque distribution coefficients of the at least one modular electric machine and the total torque requirement of a vehicle, and to send the respective torque requirements to the at least one modular electric machine. The modular electric machine is configured to receive and respond to the torque requirements to output the respective torque.

[0008] According to the technical means, the motor can be modularly designed, so that the number of modular motors can be increased or reduced according to different requirements of the vehicle (such as power, torque, space limitation, etc.), so as to achieve the best performance matching. Moreover, the motor controller can accurately calculate and distribute the torque demand of each motor according to the total torque demand of the vehicle and the characteristics (such as efficiency curve, torque characteristic, etc.) of each modular motor. This optimized torque distribution strategy helps to maximize overall efficiency and performance. Therefore, the application can adapt to different requirements of different vehicle models or application scenarios for the power system.

[0009] In a possible manner, the motor system further comprises: a power supply, the at least one modular motor receives and responds to the torque demand to output a corresponding torque, comprising: the power supply, configured to transmit electric energy to the at least one modular motor; the modular motor, configured to generate torque based on the torque demand and the electric energy transmitted by the power supply; and the modular motor, configured to output torque.

[0010] According to the technical means, the motor controller in the application can accurately distribute the torque according to the total torque demand of the vehicle and the characteristics of the modular motor, ensuring that each motor operates in its optimal operating range, thereby improving the overall energy utilization efficiency. Moreover, each modular motor has independent operating capability, so that when a motor fails, other motors can still work, reducing the risk of overall system failure.

[0011] In a possible manner, the modular motor comprises a power module and a motor module; the power module is electrically connected to the motor module; the modular motor generates torque based on the torque demand and the electric energy transmitted by the power supply, comprising: the power module, configured to receive the torque demand sent by the motor controller and the electric energy transmitted by the power supply, and send the torque demand to the motor module; and the motor module, configured to generate torque based on the torque demand and the electric energy transmitted by the power supply.

[0012] According to the technical means, the modular motor system can accurately control each module through an independent controller, and can more reasonably distribute the high-power and high-torque demand of the vehicle. This helps to improve the power performance and driving experience of the vehicle.

[0013] In a possible implementation, the at least one modular motor includes a first motor and a second motor; a motor module of the first motor includes a power output end; a motor module of the second motor includes a power output end and a power input end; the power output end of the motor module of the first motor is mechanically connected to the power input end of the motor module of the second motor; the power output end of the second motor is mechanically connected to the vehicle; the modular motor outputs a torque, including: the motor module of the first motor, configured to output a torque to the second motor; the motor module of the second motor, configured to receive the torque output by the first motor and generate a target torque; the target torque is a sum of the torque generated by the first motor and the torque generated by the second motor; and the motor module of the second motor, configured to output the target torque to the vehicle.

[0014] According to the technical means described above, the application can combine the maturity of the traditional three-phase motor design and control technology with the modular fault-tolerant topology, integrate the advantages of the two, and reduce the current and power levels required to be borne by each winding and driving module in the system.

[0015] In a possible implementation, the power module of the first motor includes an electric energy input end; the power module of the second motor includes an electric energy input end and an electric energy output end; the electric energy input end of the second motor is electrically connected to the power supply; the electric energy input end of the second motor is electrically connected to the electric energy input end of the first motor; and the power module receives electric energy transmitted by the power supply, including: the power supply, configured to output electric energy to the first motor and the second motor.

[0016] According to the technical means described above, the modular design provided by the application makes the system easy to expand. If more motors are needed to meet higher power requirements, additional modular motors and corresponding power modules can be simply added without the need for large-scale modification of the entire system.

[0017] In a possible implementation, the power module includes a low-voltage interface; the power module is connected to the motor controller through the low-voltage interface; and the motor controller sends corresponding torque requirements to the at least one modular motor, including: the motor controller, configured to send torque requirements to the modular motor based on the low-voltage interface of the power module.

[0018] According to the technical means described above, the design of the low-voltage interface provided by the application makes the integration of the power module and the motor controller more simple and fast. Such a modular design not only reduces the complexity of the system, but also improves the scalability of the system. When a new modular motor is needed, the new power module can be simply connected to the motor controller through the low-voltage interface without the need for large-scale modification of the entire system.

[0019] In one possible implementation, the number of the modular electric machines is proportional to the maximum torque of the vehicle.

[0020] According to a second aspect provided in the present application, a torque output method is provided, applied to an electric machine system, including: the system includes an electric machine controller and at least one modular electric machine; the method includes: the electric machine controller determines respective torque demands of the at least one modular electric machine based on respective torque distribution coefficients of the at least one modular electric machine and a total torque demand of a vehicle, and respectively sends the respective torque demands to the at least one modular electric machine; the modular electric machine receives and responds to the torque demands to output respective corresponding torques.

[0021] In one possible implementation, the electric machine system further includes a power supply, and the at least one modular electric machine receives and responds to the torque demands to output respective corresponding torques by: the power supply transmits electric energy to the at least one modular electric machine; the modular electric machine generates torque based on the torque demands and the electric energy transmitted by the power supply; and the modular electric machine outputs torque.

[0022] In one possible implementation, the modular electric machine includes a power module and an electric machine module; the power module is electrically connected to the electric machine module; and the modular electric machine generates torque based on the torque demands and the electric energy transmitted by the power supply by: the power module receives the torque demands sent by the electric machine controller and the electric energy transmitted by the power supply, and sends the torque demands to the electric machine module; and the electric machine module generates torque based on the torque demands and the electric energy transmitted by the power supply.

[0023] In one possible implementation, the at least one modular electric machine includes a first electric machine and a second electric machine; the electric machine module of the first electric machine includes a power output end; the electric machine module of the second electric machine includes a power output end and a power input end; the power output end of the electric machine module of the first electric machine is mechanically connected to the power input end of the electric machine module of the second electric machine; the power output end of the second electric machine is mechanically connected to the vehicle; and the modular electric machine outputs torque by: the electric machine module of the first electric machine outputs torque to the second electric machine; the electric machine module of the second electric machine receives the torque output by the first electric machine, and generates a target torque; the target torque is the sum of the torque generated by the first electric machine and the torque generated by the second electric machine; and the electric machine module of the second electric machine outputs the target torque to the vehicle.

[0024] In a possible implementation, the power module of the first motor includes an electric energy input end; the power module of the second motor includes an electric energy input end and an electric energy output end; the electric energy input end of the second motor is electrically connected with the power supply; the electric energy input end of the second motor is electrically connected with the electric energy input end of the first motor; and the power module receives the electric energy transmitted by the power supply, including: the power supply outputs electric energy to the first motor and the second motor.

[0025] In a possible implementation, the power module includes a low-voltage interface; the power module is connected with the motor controller through the low-voltage interface; and the motor controller sends corresponding torque demands to the at least one modular motor, including: the motor controller sends torque demands to the modular motor based on the low-voltage interface of the power module.

[0026] In a possible implementation, the number of the modular motors is proportional to the maximum torque of the vehicle.

[0027] According to a third aspect provided in the present application, a vehicle is provided, including the motor system described in the first aspect.

[0028] According to a fourth aspect provided in the present application, an electronic device is provided, including: a processor; and a memory for storing processor-executable instructions; wherein the processor is configured to execute the instructions to implement the method of the first aspect and any possible implementation thereof.

[0029] According to a fifth aspect provided in the present application, a computer-readable storage medium is provided, when instructions in the computer-readable storage medium are executed by a processor of an electronic device, the electronic device can execute the method of the first aspect and any possible implementation thereof.

[0030] According to a sixth aspect provided in the present application, a computer program product is provided, the computer program product includes computer instructions, when the computer instructions are executed on an electronic device, the electronic device executes the method of the first aspect and any possible implementation thereof.

[0031] Therefore, the above technical features of the present application have the following beneficial effects:

[0032] (1) The motor can be designed modularly, so that the number of modular motors can be increased or decreased according to different requirements of the vehicle (such as power, torque, space limitations, etc.), to achieve the best performance matching. Moreover, the motor controller can accurately calculate and distribute the torque demand of each motor according to the total torque demand of the vehicle and the characteristics of each modular motor (such as efficiency curve, torque characteristics, etc.). This optimized torque distribution strategy helps to maximize overall efficiency and performance. Therefore, the application can adapt to the different requirements of different vehicle models or application scenarios for the power system.

[0033] (2) The motor controller can accurately distribute torque according to the total torque demand of the vehicle and the characteristics of the modular motor, ensuring that each motor operates within its optimal operating range, thereby improving overall energy utilization efficiency. Moreover, each modular motor has independent operating capability, so when a motor fails, other motors can still work, reducing the risk of overall system failure.

[0034] (3) The modular motor system can accurately control each module through independent controllers, which can more reasonably distribute the high power and torque demand of the vehicle. This helps to improve the power performance and driving experience of the vehicle.

[0035] (4) The modular motor can combine the maturity of traditional three-phase motor design and control technology with modular fault-tolerant topology, integrating the advantages of both, reducing the current and power level required by each winding and drive module in the system.

[0036] (5) Modular design makes the system easy to expand. If more motors are needed to meet higher power requirements, additional modular motors and corresponding power modules can be simply added without the need for major modifications to the entire system.

[0037] (6) The design of this low-voltage interface makes the integration of power modules and motor controllers more simple and efficient. This modular design not only reduces the complexity of the system, but also improves the scalability of the system. When new modular motors are needed, only the new power modules need to be connected to the motor controller through the low-voltage interface, without the need for major modifications to the entire system.

[0038] It should be noted that the technical effects brought by any one of the implementation manners of the second aspect to the sixth aspect can be referred to the technical effects brought by the corresponding implementation manners in the first aspect, which will not be repeated here.

[0039] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS

[0040] The accompanying drawings, which are incorporated herein and constitute part of this specification, illustrate implementations of the application and, together with the description, explain the principles of the application, but are not intended to limit the application.

[0041] Figure 1 is a schematic diagram of a motor system according to an example embodiment;

[0042] Figure 2 is a schematic diagram of yet another motor system according to an example embodiment;

[0043] Figure 3 is a schematic diagram of a first motor according to an example embodiment;

[0044] Figure 4 is a schematic diagram of a power module of a first motor according to an example embodiment;

[0045] Figure 5 is a schematic diagram of a second motor according to an example embodiment;

[0046] Figure 6 is a schematic diagram of a power module of a second motor according to an example embodiment;

[0047] Figure 7 is a schematic diagram of yet another motor system according to an example embodiment;

[0048] Figure 8 is a schematic diagram of yet another motor system according to an example embodiment;

[0049] Figure 9 is a schematic diagram of yet another motor system according to an example embodiment;

[0050] Figure 10 is a schematic diagram of a torque output method according to an example embodiment;

[0051] Figure 11 is a schematic diagram of a torque output flow according to an example embodiment;

[0052] Figure 12 is a schematic diagram of a motor system of a different configuration according to an example embodiment;

[0053] Figure 13 is a block diagram of an electronic device according to an example embodiment. DETAILED DESCRIPTION

[0054] In order for the ordinary person skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings.

[0055] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0056] For ease of understanding, the test method provided by the present application is specifically introduced below with reference to the drawings.

[0057] In some embodiments, as Figure 1 shown, Figure 1 is a schematic diagram of a motor system according to an exemplary embodiment, which includes a motor controller 101 and a modular motor device 102. The modular motor device 102 includes at least one modular motor.

[0058] Exemplarily, in conjunction with Figure 1 , as Figure 2 shown, Figure 2 is a schematic diagram of another motor system. Figure 2 The modular motor device 102 in includes three modular motors. Figure 2 The motor system in is composed of a motor controller, a modular motor module 1, a modular motor module 2, a modular motor module 3, a power supply, a power output, and a wire harness connection and mechanical transmission connection between the modules.

[0059] In one possible way, the motor controller 101 is configured to receive a total torque demand of the vehicle, or determine the total torque demand of the vehicle according to the driving behavior of the driver of the vehicle. The motor controller 101 is further configured to determine a respective torque demand of each of the at least one modular motor based on a respective torque distribution coefficient of each of the at least one modular motor and the total torque demand of the vehicle, and send the respective torque demand to each of the at least one modular motor. In this way, the motor controller can distribute the torque demand to the modular motors. The functions that the motor controller 101 can achieve are described in detail below.

[0060] The motor controller 101 can be connected with at least one power module of a modular motor. The power module comprises a low-voltage interface. The power module is connected with the motor controller 101 through the low-voltage interface. The motor controller 101 is configured to send a torque demand to the modular motor based on the low-voltage interface of the power module.

[0061] Specifically, the motor controller 101 can constantly detect signals from sensors and control instructions to determine the total torque demand of the vehicle. The motor controller 101 can store the respective torque allocation of each modular motor. The motor controller 101 can be configured to determine the respective torque demand of each modular motor based on the respective torque allocation coefficient of each modular motor and the total torque demand of the vehicle.

[0062] It can be understood that the torque allocation coefficient refers to a set of proportional values used to determine how much torque each modular motor should output. These coefficients are usually determined according to the performance of the motor, the demand of the system, and the control strategy.

[0063] In one possible way, the staff can set the torque allocation coefficients of different modular motors connected with the motor controller 101 and store them in the storage module of the motor controller 101.

[0064] In one example, when the number of modular motors connected with the motor controller 101 is two, the torque allocation coefficients of the two modular motors can be 0.4 and 0.6 respectively. The motor controller 101 can allocate torque demand to the modular motors based on the two torque allocation coefficients of 0.4 and 0.6.

[0065] Alternatively, when the number of modular motors connected with the motor controller 101 is three, the torque allocation coefficients of the three modular motors can be 0.2, 0.4, and 0.4 respectively. The motor controller 101 can allocate torque demand to the modular motors based on the three torque allocation coefficients of 0.2, 0.4, and 0.4. The present application does not make specific limitations in this regard.

[0066] The above describes the functions that the motor controller 101 can achieve.

[0067] The functions that the modular motor device 102 can achieve are described in detail below.

[0068] The modular motor device 102 can comprise at least one modular motor.

[0069] The modular motor is configured to output a respective torque corresponding to the torque demand. That is, the modular motor can output a respective torque corresponding to the torque demand, and the total torque demand of the vehicle can be met by adding the torque output by at least one modular motor. Since the modular motors are independent of each other, they can each operate in an optimal manner, thereby improving the efficiency and stability of the entire system.

[0070] In one possible implementation, the motor system further includes a power source configured to transmit electric energy to the at least one modular motor. The modular motor is configured to generate torque based on the torque demand and the electric energy transmitted by the power source.

[0071] Specifically, after receiving the torque demand, the power source can transmit electric energy to the modular motor. The power electronics (e.g., an inverter, a controller, etc.) in the modular motor converts the electric energy into a voltage and a current suitable for the operation of the motor. The stator of each motor module in the modular motor generates a rotating magnetic field, which interacts with the permanent magnets or conductors in the rotor, thereby generating torque.

[0072] In one possible implementation, the modular motor can include a power module and a motor module, and the power module is electrically connected to the motor module. The implementation of the modular motor generating torque based on the torque demand and the electric energy transmitted by the power source can be achieved by the power module and the motor module. Specifically, the power module is configured to receive the torque demand sent by the motor controller and the electric energy transmitted by the power source, and send the torque demand to the motor module. The motor module is configured to generate torque based on the torque demand and the electric energy transmitted by the power source.

[0073] Specifically, the at least one modular motor can include a first motor and a second motor. The motor module of the first motor can include a power output end. The motor module of the second motor can include a power output end and a power input end. The power output end of the motor module of the first motor can be mechanically connected to the power input end of the motor module of the second motor. The motor module of the first motor can be configured to output torque to the second motor. That is, the motor module of the first motor can output torque to the second motor according to the power output end. The motor module of the second motor is configured to receive the torque output by the first motor and generate a target torque. That is, the motor module of the second motor can receive the torque output by the first motor according to the power input end and generate a target torque. The target torque can be the sum of the torque generated by the first motor and the torque generated by the second motor. The motor module of the second motor is configured to output the target torque to the vehicle.

[0074] Optionally, the number of second motors can be multiple. Different second motors can be mechanically connected through power output ends and power input ends. The present application does not make specific limitations in this regard.

[0075] In one possible approach, the power module of the first motor may include an electrical power input terminal.

[0076] In one example, such as Figure 3 As shown, Figure 3 This is a schematic diagram of a first type of electric motor. The first motor includes a power module and a motor module. The power module includes a low-voltage interface and a power input terminal. The voltage module includes a kinetic energy output terminal. The power input terminal may include a high-voltage DC input positive terminal A_HV+_in and a high-voltage DC input negative terminal A_HV-_in.

[0077] Combination Figure 3 ,like Figure 4 The diagram shows a schematic of a power module for a first motor. The power module includes a low-voltage module, a power bridge, and a driver. The low-voltage module may include a low-voltage interface. The power module is connected to the motor controller via the low-voltage interface. The power bridge and driver may include a power input terminal and a high-voltage three-phase output terminal. The power input terminal may include a positive high-voltage DC input terminal A_HV+_in and a negative high-voltage DC input terminal A_HV-_in. The high-voltage three-phase output terminal may include: A_HV_U, A_HV_V, and A_HV_W.

[0078] In one possible approach, the power module of the second motor may include an electrical input terminal and an electrical output terminal.

[0079] In one example, such as Figure 5 As shown, Figure 5 This is a schematic diagram of a second motor. The second motor includes a power module and a motor module. The power module includes a low-voltage interface, a power input terminal, and a power output terminal. The voltage module includes a kinetic energy output terminal and a kinetic energy input terminal. The power input terminal may include a positive high-voltage DC input terminal B_HV+_in and a negative high-voltage DC input terminal B_HV-_in. The power output terminal may include a positive high-voltage DC input terminal B_HV+_out and a negative high-voltage DC input terminal B_HV-_out.

[0080] Combination Figure 5 ,like Figure 6As shown, it is a schematic diagram of a power module of a second electric machine. The power module of the second electric machine includes a low voltage module and a power bridge and drive. The low voltage module can include a low voltage interface. The power module is connected with the electric machine controller through the low voltage interface. The power bridge and drive can include an electric energy input end, an electric energy output end and a high voltage three-phase output end. The electric energy input end can include a high voltage direct current input positive terminal A_HV+_in and a high voltage direct current input negative terminal A_HV-_in. The electric energy output end can include a high voltage direct current input positive terminal B_HV+_out and a high voltage direct current input negative terminal B_HV-_out. The high voltage three-phase output end can include B_HV_U, B_HV_V and B_HV_W.

[0081] In the case that the number of the at least one modular electric machine is multiple, the electric energy input end of the second electric machine can be electrically connected with the power supply. The electric energy input end of the second electric machine can be electrically connected with the electric energy input end of the first electric machine. The power supply is configured to output electric energy to the first electric machine and the second electric machine. That is, the power supply, the first electric machine and the second electric machine can be connected in series, so that the power supply outputs electric energy to the first electric machine and the second electric machine.

[0082] In the case that the number of the modular electric machine is one, the electric energy input end of the first electric machine can be electrically connected with the power supply. The power supply is configured to output electric energy to the first electric machine.

[0083] In an example, as shown, it is a schematic diagram of yet another electric machine system. Figure 7 As shown, it is a schematic diagram of yet another electric machine system. Figure 7 The electric machine system in the example includes a first electric machine, a second electric machine, an electric machine controller, a power supply and a power output. The electric energy input end of the second electric machine can be electrically connected with the power supply. The electric energy output end of the second electric machine can be electrically connected with the electric energy input end of the first electric machine. The power supply is configured to output electric energy to the first electric machine and the second electric machine. The first electric machine and the second electric machine can generate torque according to the torque demand sent by the electric machine controller.

[0084] As shown, it is a schematic diagram of yet another electric machine system. Figure 8 As shown, it is a schematic diagram of yet another electric machine system. Figure 8 The electric machine system in the example includes a first electric machine, a second electric machine, an electric machine controller, a power supply and a power output. The electric energy input end of the second electric machine can be electrically connected with the power supply. The electric energy output end of the second electric machine can be electrically connected with the electric energy input end of the first electric machine. The power supply is configured to output electric energy to the first electric machine and the second electric machine. The first electric machine and the second electric machine can generate torque according to the torque demand sent by the electric machine controller.

[0085] As shown, it is a schematic diagram of yet another electric machine system. Figure 9 As shown, it is a schematic diagram of yet another electric machine system. Figure 9The motor system in the figure comprises a first motor, a second motor A, a second motor B, a motor controller, a power supply and a power output. The power input end of the second motor A can be electrically connected with the power supply. The power output end of the second motor A can be electrically connected with the power input end of the first motor B. The power output end of the second motor B can be electrically connected with the power input end of the first motor. The first motor can be mechanically connected with the second motor B. The second motor B can be mechanically connected with the second motor A. The power supply can output electric power to the first motor and the second motor. The first motor and the second motor can generate torque according to the torque demand sent by the motor controller.

[0086] In one possible way, the number of modular motors is proportional to the maximum torque of the vehicle.

[0087] It should be noted that, Figure 1 , Figure 2 , Figure 7 , Figure 8 , Figure 9 The structure shown in the figure does not constitute a limitation on the motor system, in addition to Figure 1 , Figure 2 , Figure 7 , Figure 8 , Figure 9 the components shown, the motor system can include more or fewer components than those shown, or combine certain components, or different component arrangements, for example, in addition to Figure 1 , Figure 2 , Figure 7 , Figure 8 , Figure 9 the components shown, the motor system can also include more second motors.

[0088] Based on the above technical solutions, the motor can be modularly designed, so that the number of modular motors can be increased or decreased according to different requirements of the vehicle (such as power, torque, space limitation, etc.), to achieve the best performance matching. Moreover, the motor controller can accurately calculate and distribute the torque demand of each motor according to the total torque demand of the vehicle and the characteristics (such as efficiency curve, torque characteristics, etc.) of each modular motor. This torque distribution strategy based on optimization helps to maximize overall efficiency and performance. Therefore, the application can adapt to different requirements of different vehicle models or application scenarios for the power system.

[0089] In some embodiments, as Figure 10 shown, Figure 10 a schematic diagram of a torque output method provided by the application. The torque output method comprises the following steps: S201-S202.

[0090] S201, the motor controller determines the torque demand of each of the at least one modular motor based on the torque distribution coefficient of each of the at least one modular motor and the total torque demand of the vehicle, and sends the corresponding torque demand to each of the at least one modular motor.

[0091] In one possible approach, the motor controller receives commands regarding the vehicle's total torque demand and continuously monitors multi-dimensional information such as the vehicle's driving status, battery level, ambient temperature, road conditions, and driver intentions. This information is comprehensively analyzed through a complex sensor network and advanced algorithms to provide a precise basis for torque distribution. Internally, the motor controller can consider the torque characteristic curves, efficiency ranges, thermal management capabilities, and interrelationships of each modular motor to formulate the optimal torque distribution strategy.

[0092] To achieve precise torque distribution, the motor controller employs a dynamic adjustment mechanism. During vehicle operation, if any change in parameters is detected (such as sudden load changes or variations in road gradient), the controller immediately recalculates the torque requirements of each modular motor and sends updated commands in real time. This real-time adjustment capability ensures the continuity and stability of power output while also improving energy efficiency.

[0093] In addition, the motor controller also has fault detection and fault tolerance capabilities. When a fault or performance degradation of a modular motor is detected, the controller will quickly adjust the torque distribution scheme to transfer the load of the faulty motor to other normally operating motors, ensuring that the overall performance of the vehicle is not affected.

[0094] S202, the modular motor receives and responds to torque requirements, outputting its corresponding torque.

[0095] In one possible approach, the modular motor can immediately enter operating mode upon receiving a torque demand command from the motor controller. Precision sensors integrated within each motor monitor key parameters such as rotor position, speed, and temperature in real time, feeding this information back to the motor controller for more precise control.

[0096] In one example, such as Figure 11 The diagram illustrates a torque output process. The operator sets the configuration information for the modular motor system. The operator or the motor controller determines the torque distribution coefficient settings, including:

[0097] Configuration 1: 1 modular motor module, including: modular motor 1, with a torque distribution coefficient of K1.

[0098] Configuration 2: Two modular motor modules, including: Modular Motor 1 and Modular Motor 2, with torque distribution coefficients K1 and K2 respectively.

[0099] Optionally, K1 and K2 can be set according to actual needs. For example, K1 and K2 can be 0.5 and 0.5 respectively, and K1 and K2 can also be 0.4 and 0.6 respectively. The present application does not make specific limitations on this.

[0100] Configuration 3: 3 modular motor modules, including: modular motor 1, modular motor 2 and modular motor 3, and the torque distribution coefficients are K1, K2 and K3 respectively.

[0101] Optionally, K1, K2 and K3 can be set according to actual needs. For example, K1, K2 and K3 can be 0.2, 0.3 and 0.5 respectively, and K1, K2 and K3 can also be 0.3, 0.3 and 0.4 respectively. The present application does not make specific limitations on this.

[0102] In one possible way, in the case of configuration 1 of the motor system, after receiving the total torque demand Tqreq, the motor controller can calculate the torque demand Tq1 required to be output by the modular motor 1 according to the torque distribution coefficient. Tq1 satisfies the following formula one:

[0103] Tq1 = K1 / K1 x Tqreq Formula one

[0104] Wherein, Tq1 can be used to represent the torque demand of the modular motor 1. K1 can be used to represent the torque distribution coefficient of the modular motor 1. Tqreq can be used to represent the total torque demand.

[0105] In one possible way, in the case of configuration 2 of the motor system, after receiving the total torque demand Tqreq, the motor controller can calculate the torque demand Tq1 and Tq2 required to be output by the modular motor 1 and the modular motor 2 respectively according to the torque distribution coefficient. Tq1 satisfies the following formula two:

[0106]

[0107] Wherein, Tq1 can be used to represent the torque demand of the modular motor 1. K1 can be used to represent the torque distribution coefficient of the modular motor 1. K2 can be used to represent the torque distribution coefficient of the modular motor 2. Tqreq can be used to represent the total torque demand.

[0108] Tq2 satisfies the following formula three:

[0109]

[0110] Wherein, Tq2 can be used to represent the torque demand of the modular motor 2. K1 can be used to represent the torque distribution coefficient of the modular motor 1. K2 can be used to represent the torque distribution coefficient of the modular motor 2. Tqreq can be used to represent the total torque demand.

[0111] In one possible approach, with motor system configuration 3, after receiving the total torque demand Tqreq, the motor controller can calculate the required torque demands Tq1, Tq2, and Tq3 for modular motors 1, 2, and 3 respectively, based on the torque distribution coefficient. Tq1 satisfies the following formula:

[0112]

[0113] Wherein, Tq1 can be used to characterize the torque requirement of modular motor 1. K1 can be used to characterize the torque distribution coefficient of modular motor 1. K2 can be used to characterize the torque distribution coefficient of modular motor 2. K3 can be used to characterize the torque distribution coefficient of modular motor 3. Tqreq can be used to characterize the total torque requirement.

[0114] Tq2 satisfies the following formula five:

[0115]

[0116] Wherein, Tq2 can be used to characterize the torque requirement of modular motor 2. K1 can be used to characterize the torque distribution coefficient of modular motor 1. K2 can be used to characterize the torque distribution coefficient of modular motor 2. K3 can be used to characterize the torque distribution coefficient of modular motor 3. Tqreq can be used to characterize the total torque requirement.

[0117] Tq3 satisfies the following formula six:

[0118]

[0119] Wherein, Tq3 can be used to characterize the torque requirement of modular motor 2. K1 can be used to characterize the torque distribution coefficient of modular motor 1. K2 can be used to characterize the torque distribution coefficient of modular motor 2. K3 can be used to characterize the torque distribution coefficient of modular motor 3. Tqreq can be used to characterize the total torque requirement.

[0120] In one possible approach, the total torque requirement is the sum of the output torques of each modular motor.

[0121] Combination Figure 11 ,like Figure 12 The diagram shown is a schematic of a motor system with a different configuration.

[0122] Configuration 1 consists of a motor controller, modular motor 1, power supply, power output, and wiring harness connections and mechanical transmission connections between modules.

[0123] Configuration 2 consists of a motor controller, modular motor 1, modular motor 2, a power source, a power output, and wire harness connections and mechanical drive connections between the modules.

[0124] Configuration 3 consists of a motor controller, modular motor 1, modular motor 2, modular motor 3, a power source, a power output, and wire harness connections and mechanical drive connections between the modules.

[0125] Based on this, the motor can be modularly designed, so that according to different requirements of the vehicle (such as power, torque, space limitation, etc.), the number of modular motors can be increased or decreased to achieve the best performance matching. Moreover, the motor controller can accurately calculate and distribute the torque demand of each motor according to the total torque demand of the vehicle and the characteristics (such as efficiency curve, torque characteristics, etc.) of each modular motor. This optimized torque distribution strategy helps to maximize overall efficiency and performance. Therefore, the application can adapt to different requirements of different vehicle models or application scenarios for the power system.

[0126] Figure 13 is a block diagram of an electronic device according to an example embodiment. As shown in Figure 13 , the electronic device includes but is not limited to a processor 301 and a memory 302.

[0127] The memory 302 described above is used to store executable instructions of the processor 301. It can be understood that the processor 301 is configured to execute the instructions to implement the test method in the above embodiment.

[0128] It should be noted that those skilled in the art can understand that the electronic device structure shown in Figure 13 does not constitute a limitation on the electronic device, and the electronic device can include more or fewer components than Figure 13 shown, or combine certain components, or different component arrangements.

[0129] The processor 301 is the control center of the electronic device, which connects all parts of the electronic device through various interfaces and lines, executes software programs and / or modules stored in the memory 302 and calls data stored in the memory 302, performs various functions of the electronic device and processes data, and thus monitors the whole electronic device. The processor 301 can include one or more processing units. Optionally, the processor 301 can integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, etc., and the modem processor mainly processes wireless communication. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 301.

[0130] The memory 302 can be used to store software programs and various data. The memory 302 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, application programs (such as a determination unit, a processing unit, etc.) required by at least one functional module, and the like. In addition, the memory 302 can include a high-speed random access memory, and can also include a non-volatile memory, for example, at least one magnetic disk storage device, a flash memory device, or other volatile solid-state memory device.

[0131] In an example embodiment, a computer-readable storage medium including instructions, for example, the memory 302 including instructions, is also provided, which can be executed by the processor 301 of the electronic device to implement the method in the above embodiments.

[0132] In actual implementation, Figure 1 The functions in the motor controller 101 and the modular motor device 102 can be called by the processor 301 to realize the computer program stored in the memory 302. The specific execution process can refer to the description of the method part in the above embodiment, which will not be repeated here. Figure 13

[0133] Alternatively, the computer-readable storage medium can be a non-transitory computer-readable storage medium, for example, the non-transitory computer-readable storage medium can be a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device, etc.

[0134] In an example embodiment, the embodiments of the present application also provide a computer program product including one or more instructions, which can be executed by the processor 301 of the electronic device to complete the method in the above embodiments.

[0135] It should be noted that the instructions in the above computer-readable storage medium or the one or more instructions in the computer program product are executed by the processor of the electronic device to realize each process of the above method embodiments, and can achieve the same technical effects as the above method. To avoid repetition, it will not be repeated here.

[0136] Through the description of the above embodiments, those skilled in the art can clearly understand that, for the convenience and brevity of description, only the above division of functional modules is taken as an example for illustration, and in actual application, the above functions can be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to complete the above-described full classification part or part of the function.

[0137] ​In several embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented by other manners. For example, the apparatus embodiments described above are merely illustrative, for example, the division of the modules or units is merely a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another apparatus, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units or components shown or discussed can be indirect coupling or communication connection through some interfaces, apparatuses or units, and can be electrical, mechanical or other forms.

[0138] The units described as separate components can or can not be physically separate, and the components shown as units can be one physical unit or a plurality of physical units, that is, can be located in one place, or can be distributed to a plurality of different places. Part or all of the classification units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0139] In addition, the functional units in each embodiment of the present application can be integrated in one processing unit, or each unit can be physically present separately, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software functional unit.

[0140] If the integrated unit is realized in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium. Based on this understanding, the technical solutions of the embodiments of the present application essentially or the part of the prior art that contributes to the technical solutions or the whole classification or part of the technical solutions can be embodied in the form of a software product, which is stored in a storage medium and includes a plurality of instructions for making a device (which can be a single chip, a chip, etc.) or a processor execute all or part of the steps of the method of the embodiments of the present application. The foregoing storage medium includes: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and various program code storage media.

[0141] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any change or replacement within the technical scope disclosed in the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A motor system, characterized in that, The system includes: a motor controller, at least one modular motor, and a power supply; the modular motor includes a power module and a motor module; the power module is electrically connected to the motor module; the at least one modular motor includes a first motor and a second motor; the power module of the first motor includes an electrical energy input terminal; the power module of the second motor includes an electrical energy input terminal and an electrical energy output terminal; the electrical energy input terminal of the power module of the second motor is electrically connected to the power supply; the electrical energy output terminal of the power module of the second motor is electrically connected to the electrical energy input terminal of the power module of the first motor; the power supply is used to output electrical energy to the first motor and the second motor; The motor controller is used to determine the torque demand corresponding to each of the at least one modular motor based on the torque distribution coefficient of each of the at least one modular motor and the total torque demand of the vehicle, and to send the corresponding torque demand to each of the at least one modular motor. The power module is used to receive the torque demand sent by the motor controller and the electrical energy transmitted by the power source, and to send the torque demand to the motor module. The motor module is used to generate torque based on the torque requirement and the electrical energy transmitted by the power source; The motor module is used to output torque; The first motor module includes a power output terminal; the second motor module includes a power output terminal and a power input terminal; the power output terminal of the first motor module is mechanically connected to the power input terminal of the second motor module; the power output terminal of the second motor is mechanically connected to the vehicle. The motor module outputs torque, including: The motor module of the first motor is used to output torque to the second motor; The motor module of the second motor is used to receive the torque output by the first motor and generate a target torque; the target torque is the sum of the torque generated by the first motor and the torque generated by the second motor. The motor module of the second motor is used to output the target torque to the vehicle.

2. The system according to claim 1, characterized in that, The power module includes a low-voltage interface; the power module is connected to the motor controller via the low-voltage interface; the motor controller sends corresponding torque requirements to the at least one modular motor, including: The motor controller is used to send torque requirements to the modular motor based on the low-voltage interface of the power module.

3. The system according to claim 1 or 2, characterized in that, The number of modular motors is proportional to the maximum torque of the vehicle.

4. A torque output method, characterized in that, An application is made in a motor system, the system comprising: a motor controller and at least one modular motor and a power supply; the modular motor includes a power module and a motor module; the power module is electrically connected to the motor module; the at least one modular motor includes a first motor and a second motor; the power module of the first motor includes an electrical energy input terminal; the power module of the second motor includes an electrical energy input terminal and an electrical energy output terminal; the electrical energy input terminal of the power module of the second motor is electrically connected to the power supply; the electrical energy output terminal of the power module of the second motor is electrically connected to the electrical energy input terminal of the power module of the first motor. The method includes: The power source is used to output electrical energy to the first motor and the second motor; The motor controller determines the torque requirement of each of the at least one modular motors based on the torque distribution coefficient of each of the at least one modular motors and the total torque requirement of the vehicle, and sends the corresponding torque requirement to each of the at least one modular motors respectively. The power module receives the torque demand sent by the motor controller and the electrical energy transmitted by the power source, and sends the torque demand to the motor module. The motor module generates torque based on the torque requirement and the electrical energy transmitted by the power source; The motor module outputs torque; The first motor module includes a power output terminal; the second motor module includes a power output terminal and a power input terminal; the power output terminal of the first motor module is mechanically connected to the power input terminal of the second motor module; the power output terminal of the second motor is mechanically connected to the vehicle. The power source transmits electrical energy to the at least one modular motor, including: The power source is used to output electrical energy to the first motor and the second motor; The motor module outputs torque, including: The motor module of the first motor is used to output torque to the second motor; The motor module of the second motor is used to receive the torque output by the first motor and generate a target torque; the target torque is the sum of the torque generated by the first motor and the torque generated by the second motor. The motor module of the second motor is used to output the target torque to the vehicle.

5. A vehicle, characterized in that, The vehicle includes the motor system described in any one of claims 1-3.

6. An electronic device, characterized in that, include: processor; Memory used to store the processor's executable instructions; The processor is configured to execute the instructions to implement the method as described in claim 4.

7. A computer-readable storage medium, characterized in that, When the computer-executable instructions stored in the computer-readable storage medium are executed by the processor of the electronic device, the electronic device is able to perform the method as described in claim 4.

8. A computer program product containing instructions, characterized in that, When the instructions are executed by a computer, the computer performs the method as described in claim 4.

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