Dust collector and control method, device and system for brushless DC motor

• Main Authors: WU PIANPIAN, WANG HAODONG
• Format: Patent
• Language: Chinese; English
• Published: 23.10.2018
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The invention discloses a dust collector and a control method, device and system for a brushless DC motor. The method comprises the following steps: obtaining a duty ratio of a PWM control signal of the brushless DC motor in each PWM control period; adjusting the frequency of the PWM control signal...