外文翻譯----考慮鐵損耗和交叉損耗的永磁同步電動(dòng)機(jī)內(nèi)部最大效率驅(qū)動(dòng)控制

1、Maximum Maximum Efficiency Efficiency Drives Drives of of Interior Interior Permanent Permanent Magnet Magnet Synchronous Synchronous Motor Motor Considering Considering Iron Iron Loss Loss and and Cross-Magnetic

2、 Cross-Magnetic Saturation SaturationJohn John B. B. Adawey, Adawey, Shu Shu Yamamoto, Yamamoto, Takashi Takashi Kano, Kano, and and Takahiro Takahiro Ara Ara Department Department of of Electrical Electrical Engineering

3、, Engineering, Polytechnic Polytechnic University, University, Sagamihara, Sagamihara, Kanagawa, Kanagawa, Japan JapanAbstract-- Abstract-- This This paper paper covers covers the the proposed proposed method metho

4、d to to maximize maximize the the driving driving efficiency efficiency for for interior interior permanent permanent magnet magnet synchronous synchronous motors motors considering considering iron iron loss loss a

5、nd and cross-magnetic cross-magnetic saturation saturation effects. effects. Using Using a simple simple repetition repetition calculation calculation method, method, the the proposed proposed method method automatically

6、 automatically determines determines the the optimum optimum current current command command in in real-time. real-time. This This method method not not only only maximizes maximizes the the driving driving efficiency ef

7、ficiency but but also also realizes realizes high-precision high-precision torque torque control control performance. performance. The The validity validity of of this this method method is is verified verified from from

8、 experimental experimental results. results.Index Index Term Term -- -- Iron Iron loss, loss, magnetic magnetic saturation, saturation, maximum maximum efficiency efficiency drive, drive, optimum optimum current current

9、command, command, torque torque control control performance. performance.I. I. INTRODUCTION INTRODUCTIONEnergy Energy conservation conservation is is the the primary primary goal goal and and general general objective ob

10、jective of of our our latest latest research research development development in in the the field field of of electrical electrical machines machines and and system. system. From From the the perspective perspective view

11、 view of of effective effective and and efficient efficient utilization utilization of of electrical electrical energy, energy, an an essential essential technological technological issue issue to to consider consider is

12、 is to to drive drive the the machine machine at at its its maximum maximum efficiency. efficiency. Permanent Permanent Magnet Magnet Synchronous Synchronous Motors Motors (PMSM) (PMSM) are are widely widely used used i

13、n in hybrid hybrid electronic electronic vehicles, vehicles, robotics, robotics, servo servo system, system, and and other other high-performance high-performance industry industry applications. applications.Maximum Max

14、imum efficiency efficiency drives drives of of PMSM PMSM can can be be realized realized by by the the loss loss minimization minimization control control strategies. strategies. Loss Loss minimization minimization c

15、ontrollers controllers of of IPMSMs IPMSMs are are roughly roughly divided divided into into search search controllers controllers and and loss-model loss-model based based controllers. controllers. The The former

16、former is is the the search search control control algorithm algorithm method method [1]-[3] [1]-[3] where where the the current current command command vector vector is is generated generated so so that that input input

17、 power power is is minimized. minimized. In In this this method, method, motor motor constants constants are are unnecessary unnecessary but but the the pulsation pulsation is is superimposed superimposed to to the the d

18、- d- and and q-axis q-axis currents currents during during steady-state steady-state conditions. conditions. On On the the other other hand, hand, the the latter latter which which is is the the loss-model loss-model con

19、trol control method method [4]-[9] [4]-[9] utilizes utilizes motor motor constants constants in in the the generation generation of of the the current current command command vector. vector. This This method method is i

20、s superior superior with with regard regard to to control control stability stability and and current current pulsation pulsation reduction reduction that that’s why why it it is is more more often often used used in in

21、industrial industrial drive drive systems. systems.The The latter latter method method is is generally generally classified classified into into the the off-line off-line and and the the on-line on-line methods. methods.

22、 In In the the off-line off-line method, method, the the current current reference reference signal signal corresponding corresponding to to each each speed speed and and torque torque that that minimizes mini

23、mizes loss loss is is calculated calculated beforehand, beforehand, and and stored stored in in the the memory memory table table of of the the Digital Digital Signal Signal Processor Processor (DSP) (DSP) to to be be us

24、ed used for for vector vector control. control. In In the the on-line on-line method, method, the the current current command command vector vector that that achieves achieves minimum minimum loss loss is is automaticall

25、y automatically calculated calculated in in real real time time in in the the DSP DSP while while it it carries carries out out control control operations. operations.The The off-line off-line method method has has the t

26、he advantage advantage of of being being able able to to use use a concise concise algorithm, algorithm, increases increases in in flux-weakening flux-weakening zone. zone.III. III. MAXIMUM MAXIMUM EFFICIENCY EFFICIENCY

27、 VECTOR VECTOR CONTROL CONTROL METHOD METHODA. A. The The Repetition Repetition Calculation Calculation Method MethodFig. Fig. 3 shows shows the the equivalent equivalent circuit circuit diagram diagram of of IPMSM, IPMS

28、M, where where vd vd and and vq vq are are the the voltages, voltages, iq iq and and iq iq are are the the currents, currents, imd imd and and imq imq are are the the magnetization magnetization currents, cu

29、rrents, and and Ld, Ld, and and Lq Lq are are the the d- d- and and q-axis q-axis inductances. inductances. Ra Ra is is stator stator winding winding resistance, resistance, ωre re is is the the angular angular velocity

30、, velocity, and and Ke Ke is is the the EMF EMF constant. constant. To To accurately accurately evaluate evaluate loss loss in in this this circuit, circuit, the the core core loss loss resistance resistance Rc Rc has ha

31、s been been introduced. introduced.In In this this equivalent equivalent circuit, circuit, the the equation equation for for torque torque is, is,( ) d q e md mq mq T p p i i i L L K ? ? ?·····&#

32、183;····································

33、（1）where where p is is the the number number of of pole pole pairs. pairs. Equation Equation (2) (2) expresses expresses the the relation relation between between the the current current lead lead angle angle β (defined