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Method for designing single-phase asynchronous machine based on multi-target hybrid simulated annealing algorithm

A single-phase asynchronous motor and hybrid simulation technology, which is applied in computing, electrical digital data processing, special data processing applications, etc., can solve the problems of low design efficiency and time-consuming

Active Publication Date: 2013-01-16
ANHUI UNIVERSITY
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  • Application Information

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Problems solved by technology

This motor design method is called "forward" design method. This method relies on the experience of design engineers, which is time-consuming and low in design efficiency.

Method used

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  • Method for designing single-phase asynchronous machine based on multi-target hybrid simulated annealing algorithm
  • Method for designing single-phase asynchronous machine based on multi-target hybrid simulated annealing algorithm
  • Method for designing single-phase asynchronous machine based on multi-target hybrid simulated annealing algorithm

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Experimental program
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Effect test

Embodiment 1

[0061] refer to figure 1

[0062] A design method for a single-phase asynchronous motor based on a multi-objective hybrid simulated annealing algorithm, including the following steps:

[0063] 1) Determine n variables X to be optimized 1 , X 2 ,...,X i ,...,X n , respectively set the value range of each variable; randomly generate m variable values ​​X within the value range of each variable i ={x i1 , x i2 ,...,x ii ,...x im}, where X i is the ith variable, x ii for variable X i The i-th variable value of ; a variable value of each variable is used as an element to form a variable group Q with n elements j ={x 1j , x 2j ,...,x ij ,...x mj},x ij It is the jth variable value of the i variable; m variable values ​​form a variable population, and m is set manually; all the values ​​in the variable group are binary coded, and the variable group is converted into a chromosome, and a binary code is called a chromosome an individual in

[0064] If the variables to ...

Embodiment 2

[0116] refer to Figure 2-9

[0117] Step 1: Input the rated parameters of the motor: motor model, operation mode, output power, frequency, phase voltage, etc., such as Image 6 shown.

[0118] Step 2: Input the basic parameters of the stator and the fixed parameters in the slot size, such as Figure 7 As shown, the rest of the uninput parameters are the variables to be optimized.

[0119] Step 3: Input the basic parameters of the rotor, the rotor end ring, and the fixed parameters in the rotor groove shape, such as Figure 8 As shown, the rest of the uninput parameters are the variables to be optimized.

[0120] Step 4: Input the parameters of the optimization algorithm: population size, maximum generation number, annealing initial temperature, random seed, and various target values: efficiency target value, power factor target value, starting torque multiple target value, maximum torque Multiple target value, starting current multiple target value, cost target value, su...

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Abstract

The invention relates to a method for designing a single-phase asynchronous machine based on a multi-target hybrid simulated annealing algorithm, comprising the following steps of: determining variables to be optimized, and establishing a chromosome and a population; setting the initial temperature of the simulated annealing process to be T0, and presetting iteration generation thresholds of the population; evaluating all chromosomes in the current population; setting satisfactory solution expected values, and searching the satisfactory solution; disturbing the population to accept or reject the chromosome; acquiring the number of the chromosomes in the current population, and randomly generating the chromosome to form the new population; searching non-inferior sets by taking the new population as the current population; and annealing in segments. The method is low in experience dependence degree to engineers, short in design period, low in design cost, simple in design process operation, and easy in promotion.

Description

technical field [0001] The invention relates to a design method of a single-phase asynchronous motor. technical background [0002] Single-phase asynchronous motors with a large volume and a wide range are the largest energy consumers. The problem of energy saving is a serious issue facing the motor industry. The formulation and implementation of mandatory energy efficiency standards for motors provides new opportunities and challenges for the development of the motor industry. . The optimal design of single-phase asynchronous motor is the most critical link to improve the energy efficiency of the motor. If the efficiency of the motor is increased by an average of one percentage point, more than 2 billion kWh of electricity can be saved a year. Therefore, improving the design level of single-phase motors is an important aspect of energy saving in industrial terminal equipment. [0003] The design method of the traditional single-phase asynchronous motor is: start with the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 李国丽李志中
Owner ANHUI UNIVERSITY
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