WO2021227266A1 - Procédé et dispositif pour détecter un nombre de paires de pôles de moteur et dispositif de commande de moteur - Google Patents

Procédé et dispositif pour détecter un nombre de paires de pôles de moteur et dispositif de commande de moteur Download PDF

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Publication number
WO2021227266A1
WO2021227266A1 PCT/CN2020/107829 CN2020107829W WO2021227266A1 WO 2021227266 A1 WO2021227266 A1 WO 2021227266A1 CN 2020107829 W CN2020107829 W CN 2020107829W WO 2021227266 A1 WO2021227266 A1 WO 2021227266A1
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Prior art keywords
motor
parameters
target
load capacity
candidate
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PCT/CN2020/107829
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English (en)
Chinese (zh)
Inventor
李荷洁
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广东威灵电机制造有限公司
美的威灵电机技术（上海）有限公司
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Publication of WO2021227266A1 publication Critical patent/WO2021227266A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors

Definitions

  • This application relates to the field of motor technology, and in particular to a method for detecting the number of pole pairs of a motor, a detecting device, and a motor controller.
  • a resistance device with a specific resistance value is mainly added to the motor, and the resistance value is used as identifiable information.
  • the motor drive control system recognizes the motor model by identifying the resistance value of the resistance.
  • this solution also requires the motor controller to have a resistance measurement circuit, which results in a large amount of resources and high cost.
  • This application aims to solve one of the technical problems in the related technology at least to a certain extent.
  • the first purpose of this application is to propose a motor pole pair detection method to calculate the target motor's performance by using the reference load capacity of the reference motor and the preset motor speed without increasing the hardware cost.
  • the number of pole pairs so as to realize the identification of the target motor model according to the number of pole pairs, on the basis of ensuring the reliability and accuracy of the identification result, reducing the cost of identification and occupying resources.
  • the second purpose of this application is to provide a motor pole pair detection device.
  • the third purpose of this application is to propose a motor controller.
  • the fourth purpose of this application is to provide a readable storage medium.
  • an embodiment of the first aspect of the present application proposes a method for detecting the number of pole pairs of a motor, which includes: obtaining the reference load capacity of a reference motor; controlling the operation of the target motor at the preset motor speed, and obtaining the The current actual load capacity of the target motor; and, according to the actual load capacity, the reference load capacity, and the parameters of the reference motor, calculate the number of pole pairs of the target motor.
  • the motor pole pair detection method of the embodiment of the present application firstly, the reference load capacity of the reference motor is obtained, and then the target motor is controlled to run at the preset motor speed, and the current actual load capacity of the target motor is obtained, and then the actual load capacity of the target motor is obtained.
  • load capacity, reference load capacity, and reference motor parameters calculate the number of pole pairs of the target motor. Therefore, this method calculates the number of pole pairs of the target motor by using the reference load capacity of the reference motor and the preset motor speed without increasing the hardware cost, so as to realize the identification of the target motor model based on the number of pole pairs. On the basis of ensuring the reliability and accuracy of the recognition results, the cost of recognition and the occupation of resources are reduced.
  • an embodiment of the second aspect of the present application proposes a motor pole pair detection device, which includes: an acquisition module for acquiring the reference belt load capacity of the reference motor; and for acquiring the current actual belt load capacity of the target motor Load capacity; a control module for controlling the operation of the target motor at the preset motor speed; a calculation module for calculating the actual load capacity, reference load capacity, and parameters of the reference motor The number of pole pairs of the target motor.
  • the reference load capacity of the reference electrode is acquired through the acquisition module, the target motor is controlled to run at the preset motor speed through the control module, and the current target motor is acquired through the acquisition module.
  • the actual load capacity; the calculation module calculates the number of pole pairs of the target motor according to the actual load capacity, the reference load capacity, and the parameters of the reference motor. Therefore, the control device calculates the number of pole pairs of the target motor by using the reference load capacity of the reference motor and the preset motor speed without increasing the hardware cost, so as to realize the identification of the target motor model based on the number of pole pairs. , On the basis of ensuring the reliability and accuracy of the recognition results, the cost of recognition and the occupation of resources are reduced.
  • motor pole pair detection device may also have the following additional technical features:
  • control module is further configured to: determine the model of the target motor according to the number of pole pairs of the target motor; and determine the target control mode according to the model of the target motor.
  • an embodiment of the third aspect of the present application proposes a motor controller, which includes: at least one processor; and a memory communicatively connected with the at least one processor; An instruction executed by the at least one processor, the instruction being executed by the at least one processor, so that the at least one processor can execute the method for detecting the number of motor pole pairs proposed in the embodiment of the first aspect of the present application.
  • the motor controller of the embodiment of the present application when the instructions stored in the memory are executed by at least one processor, can calculate the target by using the reference load capacity of the reference motor and the preset motor speed without increasing the hardware cost.
  • the number of pole pairs of the motor so as to realize the identification of the target motor model according to the number of pole pairs. On the basis of ensuring the reliability and accuracy of the identification result, the identification cost and resource occupation are reduced.
  • the embodiment of the fourth aspect of the present application proposes a readable storage medium on which a motor pole pair detection program is stored.
  • the program is executed by the processor, the Motor pole pair detection method.
  • the motor pole pair detection program stored on it when executed by the processor, it can use the reference load capacity of the reference motor and the preset preset without increasing the hardware cost.
  • the motor speed calculates the number of pole pairs of the target motor, so as to realize the identification of the target motor model according to the number of pole pairs. On the basis of ensuring the reliability and accuracy of the identification result, the identification cost and resource occupation are reduced.
  • Fig. 1 is a flowchart of a method for detecting the number of pole pairs of a motor according to an embodiment of the present application
  • Fig. 2 is a flowchart of a method for detecting the number of pole pairs of a motor according to an example of the present application
  • Fig. 3 is a flowchart of a method for detecting the number of pole pairs of a motor according to another example of the present application
  • Fig. 4 is a structural block diagram of a motor pole pair detection device according to an embodiment of the present application.
  • Fig. 1 is a flowchart of a method for detecting the number of pole pairs of a motor according to an embodiment of the present application.
  • the method includes the following steps:
  • obtaining the reference load capacity of the reference motor includes: calculating the reference load capacity according to the parameters of the reference motor and the preset motor speed, or obtaining the reference load capacity stored in the memory.
  • the parameters of the reference motor may include phase winding resistance R s3 , pole pair number p 3 , direct axis inductance L d3 , quadrature axis inductance L q3 , motor flux ⁇ f3 , and moment of inertia J m3 .
  • the preset motor speed n ref is any speed value determined according to the parameters of the reference motor and within the normal operating speed range of the reference motor.
  • the reference load capacity can be the reference electromagnetic torque T eref of the reference motor, or the reference output power P eref of the reference motor.
  • the parameters of the reference motor and the preset motor speed can be corresponding. Therefore, the reference load capacity basis can be calculated according to the parameters of the reference motor and the preset motor speed; the parameters of the reference motor can also be calculated in advance And the table between the preset motor speed and the corresponding reference load capacity, and store it in the memory, so that it can be obtained from the memory every time it is applied.
  • the reference load capacity is the reference electromagnetic torque
  • the reference load capacity is the reference electromagnetic torque
  • T eref p 3 ((L d3 -L q3 )i d3 i q3 + ⁇ f3 i q3 ) (1)
  • the reference electromagnetic torque T eref of the reference motor is calculated.
  • the reference load capacity is the reference output power, it can be based on formula (1) and formula
  • the reference output power P eref is calculated .
  • the calculated reference electromagnetic torque T eref or the reference output power P eref can be stored in the memory for subsequent recall.
  • S102 Control the target motor to run at a preset motor speed, and obtain the current actual load capacity of the target motor.
  • the target motor refers to the motor of the type to be tested, which is loaded in the household electrical appliance, and may be a permanent magnet synchronous motor.
  • the actual load capacity can be the actual electromagnetic torque or the actual output power.
  • step S101 if the reference electromagnetic torque T eref calculated in the above step S101 is obtained, then the actual electromagnetic torque T eact of the target motor is obtained in this step S102; if the reference output power P is calculated in the above step S101 eref , the actual output power P eact of the target motor is obtained in step S102.
  • the motor controller can be controlled to operate in the dual closed-loop mode of speed outer loop and current inner loop.
  • the control parameters of the controller are set according to the parameters of the reference motor, that is, the parameters of the reference motor are used in the control system of the target motor, and
  • the target motor is controlled to run stably at the preset motor speed n ref.
  • the three-phase current of the target motor and the actual speed n act of the target motor are collected during operation, so as to calculate the current actual electromagnetic torque T eact or the actual output power P eact of the target motor according to the three-phase current and the actual speed n act .
  • S103 Calculate the number of pole pairs of the target motor according to the actual load capacity, the reference load capacity, and the parameters of the reference motor.
  • the proportional relationship between the actual load capacity and its corresponding reference load capacity can be calculated first, and then the number of pole pairs of the target motor can be calculated according to the proportional relationship and the parameters of the reference motor.
  • the load torque of the target motor is an air conditioner fan or a pump
  • the load torque of the target motor is linearly related to the mechanical speed
  • the quadrature axis current is linearly related to the mechanical speed.
  • the mechanical speed of the target motor is linearly related to the number of pole pairs. Therefore, the actual electromagnetic torque of the target motor is related to the number of pole pairs, and its actual output power is also related to the number of pole pairs.
  • the ratio between the actual electromagnetic torque T eact and the reference electromagnetic torque T eref can be calculated, and then the number of pole pairs of the target motor can be calculated based on the ratio and the parameters of the reference motor; or, the actual output power P eact and the reference output can be calculated The ratio between the power P eref , and then calculate the number of pole pairs of the target motor based on the ratio and the parameters of the reference motor.
  • the embodiment of the present application detects the number of pole pairs of the target motor, and can accurately obtain the model of the target motor according to the detected number of pole pairs, and it is not limited in practical applications and is easy to implement.
  • the motor pole pair detection method of the embodiment of the present application does not require additional resistance devices and resistance measurement circuits. Without increasing the hardware cost, the detection method of the target motor The number of pole pairs realizes the identification of the target motor model, which has the advantages of lower implementation cost, less resource occupation, and easy implementation.
  • the motor pole pair detection method does not increase the hardware cost, and calculates the target motor's pole pair number by using the reference motor's reference load capacity and the preset motor speed, so as to achieve the target based on the pole pair number.
  • the identification of the motor model reduces the cost and resource occupation on the basis of ensuring the reliability and accuracy of the identification result.
  • the method may further include: according to preset rules, according to each candidate motor's Parameters, determine the parameters of the reference motor.
  • candidate motors may include: different types of motors provided by multiple motor manufacturers for air-conditioning fans or pumps, and different models that can be applied to air-conditioning fans or pumps set by home appliance manufacturers when they leave the factory. Motors, air-conditioning fans or pumps of different types used in historical operation. It can be understood that different types of candidate motors correspond to different control methods.
  • the parameters of each candidate motor may include motor phase winding resistance R s , direct axis inductance L d , quadrature axis inductance L q , motor flux linkage ⁇ f , moment of inertia J m and motor pole pair number p.
  • the parameter array matrix formula of each candidate motor :
  • T represents the transpose of the matrix (R s , L d , L q , ⁇ f , J m , p).
  • determining the parameters of the reference motor according to the parameters of each candidate motor according to a preset rule may include: determining the parameters of the reference motor according to the respective weight value of each candidate motor and the parameters of each candidate motor.
  • the parameters of each candidate motor all contribute to the corresponding parameter of the reference motor.
  • the sum of all contributions is the corresponding parameter of the reference motor, and the degree of contribution is expressed by the weight value, where the weight value corresponding to each candidate motor is Refers to the relative importance of the parameters of the candidate motor relative to the parameters of other candidate motors in the corresponding parameters of the reference motor. Therefore, for each parameter of the reference motor, the method of determining the parameters of the reference motor may include: calculating the product of the parameter of each candidate motor and the weight value corresponding to the candidate motor to obtain multiple product results; The sum of the product results can get the corresponding parameters of the reference motor.
  • 1# candidate motor there may be two candidate motors: 1# candidate motor and 2# candidate motor.
  • the parameter array matrix of 1# candidate motor is the formula:
  • the reference motor pole pair number p 3 phase winding resistance R s3 , direct axis inductance L d3 , quadrature axis inductance L q3 , motor flux ⁇ f3 , and moment of inertia J m3 can be calculated according to the following formula:
  • determining the parameters of the reference motor according to the parameters of each candidate motor according to a preset rule may include: determining the number of pole pairs of the reference motor according to the number of pole pairs of any one of the candidate motors; and, The non-pole pair parameters of the reference motor are determined according to the non-pole pair number parameter among the parameters of each candidate motor and the weight value corresponding to each candidate motor.
  • the number of pole pairs of the reference electrode is determined according to the number of pole pairs of any one of the candidate motors, that is to say, the number of pole pairs of the reference motor is completely determined by any of the candidate motors.
  • the contribution of the number of pole pairs of a motor makes the number of pole pairs of the reference motor equal to the number of pole pairs of any motor; as for the number of non-pole pairs of the reference electrode (parameters other than the number of pole pairs), it is based on the non-pole pairs of each candidate motor.
  • the product of the logarithmic parameter and the weight value corresponding to each candidate motor is determined.
  • determining the parameters of the reference motor according to the parameters of each candidate motor according to the preset rules may include: determining the parameters of the reference motor according to the parameters of any one of the candidate motors.
  • the parameters of the reference motor are determined according to the parameters of any one of the candidate motors, that is to say, the parameters of the reference motor (including the number of pole pairs and non-pole pair parameters) are completely determined by the parameters of any one of the candidate motors.
  • Parameter (including pole pair number and non-pole pair number parameters) contribution that is, the parameter of the reference electrode is equal to the corresponding parameter of any candidate motor.
  • the method further includes: determining that the difference value between the parameters of each candidate motor is less than a threshold.
  • the threshold may be a change value that can be tolerated by the parameters of each candidate motor, and tolerable refers to ensuring that the target motor can be reliably started or operated.
  • the parameter of the reference motor is determined according to the parameters of each candidate motor.
  • the parameter of any one of the candidate motors is equal to the corresponding parameter of the reference motor, which is implemented based on the small difference between the parameters of the candidate motors.
  • the target motor can start or run normally, so as to avoid the phenomenon that the target motor cannot be reliably started or run due to the large difference between the parameters of each candidate motor.
  • the parameters of the reference motor are determined according to the respective weight values of the candidate motors and the parameters of the candidate motors, which ensures the reliability of obtaining the parameters of the reference motor, and further ensures the normal startup or operation of the target motor.
  • the reference load capacity is any one of the reference electromagnetic torque and the reference output power
  • the actual load capacity is the actual electromagnetic torque corresponding to the reference load capacity, or the actual output corresponding to the reference load capacity. power.
  • the reference load capacity is the reference electromagnetic torque T eref and the actual load capacity is the actual electromagnetic torque T eact
  • the reference electromagnetic torque T eref and the pole pair of the reference motor Calculate the number of pole pairs p act of the target motor
  • the reference load capacity is the reference output power P eref and the actual load capacity is the actual output power P eact
  • the reference output power P eref and the reference motor Calculate the number of pole pairs p act of the target motor.
  • electromagnetic torque T e is proportional to the product of the number of pole pairs p of the quadrature axis current i q.
  • the load torque of the target motor is an air conditioner fan or pump
  • the load torque of the target motor is positively correlated with the mechanical speed
  • the quadrature axis current is proportional to The mechanical speed of the target motor.
  • n ref is the preset motor speed
  • P 3 is the number of pole pairs of the reference motor
  • n act is the actual operating speed of the target motor
  • p act is the number of pole pairs of the target motor.
  • the number of pole pairs of the target motor can be calculated according to the reference electromagnetic torque, actual electromagnetic torque, and reference pole pairs; or, according to the reference output power, actual output power, Calculate the number of pole pairs of the target motor with reference to the number of pole pairs.
  • after calculating the number of pole pairs of the target motor it further includes: determining the model of the target motor according to the number of pole pairs of the target motor; and determining the target control mode according to the model of the target motor.
  • the model of the target motor can be determined according to the number of pole pairs.
  • different types of motors have very different pole pairs, so according to the pole pairs of the target motor
  • the number can accurately determine the model of the target motor, and then determine the corresponding target control mode according to the model of the target motor, so as to control the startup or operation of the target motor through the target control mode, so that the air conditioner fan or pump can operate normally.
  • the models of different types of motors that can be applied to air-conditioning fans or pumps and their corresponding control methods can be stored in the memory, so that after the model of the target motor is determined, the memory corresponding to the model can be called Or, store the number of pole pairs of different types of motors that can be applied to air-conditioning fans or pumps and their corresponding control methods in the memory, so as to directly call after the number of pole pairs of the target motor is determined
  • the target control mode corresponding to the pole pair number in the memory.
  • the method for detecting the number of motor pole pairs may include the following steps:
  • S201 Determine the parameter of the reference motor according to the weight value corresponding to each candidate motor and the parameter of each candidate motor.
  • S203 Control the operation of the target motor at a preset motor speed n ref , and obtain the current actual electromagnetic torque T eact of the target motor.
  • S204 Calculate the pole pair number p act of the target motor based on the actual electromagnetic torque T eact , the reference electromagnetic torque T eref and the pole pair number P 3 of the reference motor.
  • S205 Determine the model of the target motor according to the number of pole pairs p act of the target motor.
  • S206 Determine a control mode of the target motor according to the model of the target motor.
  • the method for detecting the number of motor pole pairs may include the following steps:
  • S301 Determine the parameter of the reference motor according to the weight value corresponding to each candidate motor and the parameter of each candidate motor.
  • S302 Determine the reference output power P eref according to the parameters of the reference motor and the preset motor speed n ref .
  • S304 Calculate the pole pair number p act of the target motor according to the actual output power P eact , the reference output power P eref and the pole pair number P 3 of the reference motor.
  • S305 Determine the model of the target motor according to the number of pole pairs p act of the target motor.
  • S306 Determine a control mode of the target motor according to the model of the target motor.
  • this method calculates the number of pole pairs of the target motor by using the parameters of the reference motor and the preset motor speed without increasing the hardware cost, so as to realize the identification of the target motor model based on the number of pole pairs. On the basis of ensuring that the recognition result is reliable and accurate, the cost of recognition and the occupation of resources are reduced.
  • FIG. 4 is a structural block diagram of a motor pole pair detection device according to an embodiment of the present application.
  • the motor pole pair detection device 10 includes an acquisition module 11, a control module 12 and a calculation module 13.
  • the obtaining module 11 is used to obtain the reference load capacity of the reference motor; and, used to obtain the current actual load capacity of the target motor; the control module 12 is used to control the operation of the target motor at a preset motor speed; the calculation module 13 uses To calculate the number of pole pairs of the target motor based on the actual load capacity, the reference load capacity, and the parameters of the reference motor.
  • the control module 12 uses the control module 12 to control the operation of the target motor at a preset motor speed, and obtain the current actual belt load capacity of the target motor through the acquisition module 11.
  • Load capacity Third, the calculation module 13 calculates the number of pole pairs of the target motor according to the actual load capacity, the reference load capacity, and the parameters of the reference motor.
  • control module 12 may also be used to: determine the model of the target motor according to the number of pole pairs of the target motor; and determine the target control mode according to the model of the target motor.
  • the control module 12 can determine the model of the target motor according to the number of pole pairs.
  • the model of the target motor can be accurately determined.
  • the control module 12 determines the corresponding target control mode according to the model of the target motor, so as to control the start or operation of the target motor through the target control mode, so as to make the air conditioner fan or pump The class is operating normally.
  • the motor pole pair detection device of the embodiment of the present application calculates the pole pair number of the target motor by using the reference load capacity of the reference motor and the preset motor speed without increasing the hardware cost, so as to realize the realization based on the pole pair number
  • the identification of the target motor model reduces the cost and resource occupation on the basis of ensuring the reliability and accuracy of the identification result.
  • a motor controller including: at least one processor and a memory connected in communication with the at least one processor.
  • the memory stores instructions that can be executed by at least one processor, and the instructions are executed by at least one processor, so that the at least one processor can execute the motor pole pair detection method in the foregoing embodiment of the present application.
  • the motor controller when the instructions stored in the memory are executed by at least one processor, can calculate the pole pair of the target motor by using the reference load capacity of the reference motor and the preset motor speed without increasing the hardware cost. Therefore, the identification of the target motor model is realized according to the number of pole pairs, and the identification cost and resource occupation are reduced on the basis of ensuring the reliability and accuracy of the identification result.
  • the present application also proposes a readable storage medium on which a motor pole pair detection program is stored.
  • the program is executed by a processor, the motor pole pair detection method of the foregoing embodiment is implemented.
  • the readable storage medium when the motor pole pair detection program stored on it is executed by the processor, can calculate the target by using the reference load capacity of the reference motor and the preset motor speed without increasing the hardware cost.
  • the number of pole pairs of the motor so as to realize the identification of the target motor model according to the number of pole pairs. On the basis of ensuring the reliability and accuracy of the identification result, the identification cost and resource occupation are reduced.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include at least one of the features. In the description of the present application, "a plurality of” means at least two, such as two, three, etc., unless specifically defined otherwise.
  • a "computer-readable medium” can be any device that can contain, store, communicate, propagate, or transmit a program for use by an instruction execution system, device, or device or in combination with these instruction execution systems, devices, or devices.
  • computer-readable media include the following: electrical connections (electronic devices) with one or more wiring, portable computer disk cases (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable and editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer-readable medium can even be paper or other suitable media on which the program can be printed, because it can be done, for example, by optically scanning the paper or other media, and then editing, interpreting, or other suitable media if necessary.
  • the program is processed in a manner to obtain the program electronically, and then stored in the computer memory.
  • each part of this application can be implemented by hardware, software, firmware, or a combination thereof.
  • multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system.
  • Discrete logic gate circuits with logic functions for data signals Logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate array (PGA), field programmable gate array (FPGA), etc.
  • the functional units in the various embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units may be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules. If the integrated module is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer readable storage medium.
  • the aforementioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

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  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Multiple Motors (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour détecter le nombre de paires de pôles de moteur et un dispositif de commande de moteur. Le procédé comprend : l'acquisition de la capacité de transport de charge de référence d'un moteur de référence (S101) ; la commande d'un moteur cible pour fonctionner à une vitesse de moteur prédéfinie et l'acquisition de la capacité de transport de charge réelle actuelle du moteur cible (S102) ; et selon la capacité de transport de charge réelle, la capacité de transport de charge de référence et des paramètres du moteur de référence, le calcul du nombre de paires de pôles du moteur cible (S103). Dans le procédé, le nombre de paires de pôles du moteur cible est calculé au moyen de l'utilisation des paramètres du moteur de référence et de la vitesse de moteur prédéfinie sans augmenter les coûts matériels, de telle sorte que le modèle de moteur cible soit identifié selon le nombre de paires de pôles et le coût d'identification et l'occupation des ressources sont réduits sur la base de la garantie de la fiabilité et de la précision des résultats d'identification.
PCT/CN2020/107829 2020-05-13 2020-08-07 Procédé et dispositif pour détecter un nombre de paires de pôles de moteur et dispositif de commande de moteur WO2021227266A1 (fr)

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CN202010401605.7A CN113740727B (zh) 2020-05-13 2020-05-13 电机极对数检测方法、检测装置以及电机控制器
CN202010401605.7 2020-05-13

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1758239A2 (fr) * 2005-08-25 2007-02-28 International Rectifier Corporation Méthode et régulateur auto-adaptatif pour la régulation sans capteur d'un moteur à aimant permanent
CN103944479A (zh) * 2014-04-09 2014-07-23 美的集团武汉制冷设备有限公司 识别空调的压缩机磁极对数的方法及装置
CN104237786A (zh) * 2014-09-10 2014-12-24 海信（山东）冰箱有限公司 一种识别电路及家电设备
CN105207559A (zh) * 2014-05-26 2015-12-30 广东美的制冷设备有限公司 识别机械周期性负载的电机磁极对数的方法及装置
CN108832861A (zh) * 2018-08-14 2018-11-16 四川虹美智能科技有限公司 一种压缩机极对数辨识方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59100882A (ja) * 1982-12-01 1984-06-11 Toshiba Corp 電動機の極数・回転方向検出装置
DE102009046583A1 (de) * 2009-11-10 2011-05-12 Robert Bosch Gmbh Verfahren zum Plausibilisieren des Drehmomentes einer elektrischen Maschine und Maschinenregler zur Regelung einer elektrischen Maschine und zur Durchführung des Verfahrens
US8566056B2 (en) * 2010-06-16 2013-10-22 Eaton Corporation System and method of speed detection in an AC induction machine
JP2012189376A (ja) * 2011-03-09 2012-10-04 Jtekt Corp 回転角検出装置およびトルク検出装置
CN105591582B (zh) * 2014-10-23 2019-01-29 比亚迪股份有限公司 永磁同步电机的控制方法及控制装置
CN107592049A (zh) * 2017-09-08 2018-01-16 北京无线电测量研究所 一种永磁同步电机极对数检测方法及系统
CN109873586B (zh) * 2019-04-12 2020-06-30 湖南大学 一种基于高阶滑模观测器的电机机械参数辨识方法及系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1758239A2 (fr) * 2005-08-25 2007-02-28 International Rectifier Corporation Méthode et régulateur auto-adaptatif pour la régulation sans capteur d'un moteur à aimant permanent
CN103944479A (zh) * 2014-04-09 2014-07-23 美的集团武汉制冷设备有限公司 识别空调的压缩机磁极对数的方法及装置
CN105207559A (zh) * 2014-05-26 2015-12-30 广东美的制冷设备有限公司 识别机械周期性负载的电机磁极对数的方法及装置
CN104237786A (zh) * 2014-09-10 2014-12-24 海信（山东）冰箱有限公司 一种识别电路及家电设备
CN108832861A (zh) * 2018-08-14 2018-11-16 四川虹美智能科技有限公司 一种压缩机极对数辨识方法及装置

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