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參數(shù)資料
| 型號： | 8346BLDCQETD |
| 英文描述： | Targeting Document for the 56F8346 BLDC Motor Control Application with Quadrature Encoder |
| 中文描述： | 配置文件與正交編碼器的56F8346無刷直流電機控制中的應(yīng)用 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大小： | 490K |
| 代理商： | 8346BLDCQETD |
Specifications
2
3-Phase BLDC Motor Control with Quadrature Encoder
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
BLDC Motor Control Application with
Quadrature Encoder
This application exercises simple control of the BLDC motor with the Quadrature Encoder on
the 56F8346EVM board and the EVM Motor Kit.
1.
Specifications
This application performs simple control of the BLDC motor with the Quadrature Encoder and
closed-loop speed control on the 56F8346 processor. In the application, the PWM module is set to
complementary mode with a 16kHz switching frequency. The masking and swapping of PWM
channels is controlled by the PWM Channel Control Register. The content of this register is derived
from Quadrature Encoder signals. The required voltage is set independently on the commutation by the
speed PI controller. The speed is measured by the Quadrature Timer. The RUN/STOP switch
enables/disables motor spinning. The allowable range of speed is from 50rpm to 1000rpm in both
directions.
The application can run on:
External RAM or Flash
The BLDC Motor Control Application with Quadrature Encoder can operate in two modes:
1.
Manual Operating Mode
The drive is controlled by the RUN/STOP switch (S3). The motor speed is set by the UP (S2) and
DOWN (S1) push buttons;
Figure 1-1
. If the application runs and motor spinning is disabled (i.e.,
the system is ready), the USER LED (LED2, shown in
Figure 1-2
) will blink. When motor
spinning is enabled, the USER LED is on. Refer to
Table 1-1
below for application states.
Figure 1-1. RUN/STOP Switch and UP/DOWN Buttons on the Daughter Card
F
Freescale Semiconductor, Inc.
n
.
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