參數(shù)資料
型號： DRM018
英文描述： 3-Phase PM Synchronous Motor Torque Vector Control Using 56F805
中文描述： 三相永磁同步電動機轉(zhuǎn)矩矢量控制使用56F805
文件頁數(shù)： 32/72頁
文件大?。?/td> 1177K
代理商： DRM018
Vacuum Cleaner Reference Design
Designer Reference Manual
DRM010 — Rev 0
32
Vacuum Cleaner Reference Design
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
succession. The triac pulse must be large enough to account for the
interrupt latency of the output compare function.
If the phase angle is larger than 135
°
, the output compare will be called
first at the phase angle and then a second time at 135
°
. There is an idle
period between the output compare interrupts.
The control loop function is normally executed after the input capture
function. However, when the triac phase angle aproaches its maximum
of 180
°
, the output compare interrupt service routine will pre-empt the
control loop. The time of the interrupt service routines is shown in
Figure 1-12
.
The MCU is idle for most of the ac cycle. The time critical operations
occur immediately after zero crossing. The execution time of the input
capture routine will determine the maximum phase angle. A maximum
phase angle of 175
°
is perfectly acceptable for an inductive load like the
vacuum cleaner motor.
F
Freescale Semiconductor, Inc.
n
.
相關(guān)PDF資料
PDF描述
DRM019 3-Phase AC Induction Motor Drive with Dead Time Distortion Correction Using the MC68HC908MR32
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