參數資料
型號: DRM019
英文描述: 3-Phase AC Induction Motor Drive with Dead Time Distortion Correction Using the MC68HC908MR32
中文描述: 三相交流感應電機驅動與死時間畸變校正使用MC68HC908MR32
文件頁數: 47/72頁
文件大小: 1177K
代理商: DRM019
Reference Design Code
Vacuum Cleaner Reference Design Code
DRM010 — Rev 0
Designer Reference Manual
MOTOROLA
Reference Design Code
For More Information On This Product,
Go to: www.freescale.com
47
returns : void
type : normal (called by ISR)
Description:
This function generates a long pulse at the desired phase angle.
The OffTime is extended out to 45 degrees. This will ensure the
triac will not turn off prematurely, even if the current is lagging
by up to 45 degrees.
*******************************************************************************/
void longPulse (unsigned int t)
{
unsigned int onTime, asap;
onTime = t + mul((180-Phase),Degrees);
OffTime = t + mul(47,Degrees);
asap = readTCNT() + LATENCY;
if (onTime>asap)
{
scheduleHigh(onTime);
}
else
{
scheduleHigh(asap);
}
}
/******************************************************************************
function : outputCompare()
parameters : void
returns : void
type : Interupt Service Routine
Description:
This function is called on an output compare. If the output compare
was set to last set the OC high then the falling edge is scheduled
using OffTime. Otherwise the output compare function is disabled.
*******************************************************************************/
F
Freescale Semiconductor, Inc.
n
.
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