| 摘要 |
PURPOSE: A duty control method for preventing motor failure is provided to prevent damage of a motor, by outputting a duty control value as a value for motor driving control. CONSTITUTION: Count is performed by using a count signal (S3). A duty control value is generated (S5). The duty control value corresponds to the result of executing the count. Phases of the duty control value and a motor speed value are compared (S7). The phase of the duty control value is changed to be equal to the phase of the motor speed value. [Reference numerals] (AA) Start; (BB) End; (S1) Perform motor operation; (S11) Determine a generation point; (S13) Change a duty control value; (S15) Output a changed duty control value; (S17) Output a duty control value; (S19) Is motor operation ended?; (S3) Perform motor rotation count; (S5) Generate a duty control value; (S7) Compare a phase of a duty control value and motor speed; (S9) Is a reverse phase generated? |
