Abstract: A sliding mode observer and fractional-order phase-locked loop (FO-PLL) method is proposed for the sensorless speed control of a permanent magnet synchronous motor (PMSM).The saturation function is adopted in order to reduce the chattering phenomenon caused by the sliding mode observer. In this proposed FO-PLL, method, a regulable fractional order r is involved, which means that the FO-PLL provides an extra degree of freedom. In fact, the conventional phase-locked loop (PLL) applied in sensorless PMSM control can be seen as a special case of the proposed FO-PLL. By selecting a proper fractional order r a better performance may be achieved. The computer simulation results demonstrate the effectiveness of the proposed method.Key words: fractional calculus; fractional order phase-locked loop; sensorless control; sliding mode observer; permanent magnet synchronous motor; speed controll
上傳時間： 2022-06-18
上傳用戶：
Six objects here: The document you re reading & its Chinese version Set of "HWDesign" includes all hardware design files "SWDesign" includes all software design files(firmware/driver and maybe applications as well) Set of "Documents" includes files of main part of thesis and its reference "Thesis" includes files used to academe.
標簽： HWDesign document includes Chinese
上傳時間： 2015-06-17
上傳用戶：xiaodu1124
Commented (pt-br) source code of Stoned, the icon of viruses that claim for freedom.
標簽： Commented freedom viruses Stoned
上傳時間： 2013-12-17
上傳用戶：wl9454
Flexible construction of girth-six QC-LDPC Codes
標簽： construction girth-six Flexible QC-LDPC
上傳時間： 2017-09-27
上傳用戶：gaojiao1999
Rotates an image by the angle degrees in the % CCW direction. Degrees may be any number. % The function will put degrees in the range 0 % to 360 degrees and then into a range of -45 to 45 % degrees after performing elementary 90 degree rotations.
標簽： direction the Rotates Degrees
上傳時間： 2013-12-10
上傳用戶：sardinescn
A six people s rushing replies an implement, use some s switches in toggle switch K0 ~ K5 is that ON accomplishes when rushing to reply button , nobody rush to answer, 6 numerical code circulation takes turns at demonstrating 1 ~ 6 (horse races) , who rushes to reply the numerical code stops having a ride on a horse , first, whose serial number, has simultaneous light of 6 numerical codes again afterwards the key presses down. System denies responding to, until this place is OFF batch , the wheel restoring 1 ~ 6 horse races starting time as soon as rushes to answer.
標簽： implement switches rushing replies
上傳時間： 2013-12-27
上傳用戶：l254587896
This program demonstrates operation of ADC0 in polled mode. The ADC0 is // configured to use writes to AD0BUSY as its start of conversion source and // to measure the output of the on-chip temperature sensor. The temperature // sensor output is converted to degrees Celsius and is transmitted out UART0
標簽： ADC0 demonstrates configured operation
上傳時間： 2014-01-23
上傳用戶：wangyi39
This program demonstrates operation of ADC0 in polled mode. The ADC0 is // configured to use writes to AD0BUSY as its start of conversion source and // to measure the output of the on-chip temperature sensor. The temperature // sensor output is converted to degrees Celsius and is transmitted out UART0
標簽： ADC0 demonstrates configured operation
上傳時間： 2014-08-18
上傳用戶：米卡
This function is used to evaluate the max height and the max distance of a projectile and plot the trajectory. Inputs v0 : The initial velocity in m/s theta: The angle at which the projectile is fired in degrees Outputs hmax : The maximum hieght in m dmax : The maximum distance in m
標簽： projectile and the max
上傳時間： 2013-12-22
上傳用戶：dongbaobao
·《機器人雜志》Servo.Magazine.2-06.-.Jun.2004.-.20.Years-.The.Evolution.of.Walking
標簽： Evolution Magazine Walking Servo
上傳時間： 2013-06-13
上傳用戶：zzbbqq99n
