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Brushless direct current motor control system based on DSP

A brushed DC motor and control system technology, applied in fields such as excitation or armature current control, can solve problems such as intelligence, digitization, and lack of product diversification

Inactive Publication Date: 2016-12-21
邹霞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, the use of brushless DC motors is still in the mechanical age, and there are still many deficiencies in intelligence, digitalization, and product diversification, which cannot meet the needs of modern industrial development.

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  • Brushless direct current motor control system based on DSP

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Embodiment Construction

[0017] The present invention provides a DSP-based brushless DC motor control system. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0018] The DSP chip used in the present invention is a DSP2808 chip, which has low cost, low power consumption and high-performance processing capability, and is especially suitable for the measurement and control field requiring a large amount of data processing and the motor control field of complex calculation. DSP2808 has the following characteristics:

[0019] 1) High-performance static CMOS technology: working frequency 100MHz (10ns instruction time); low power consumption design (core 1.8V power supply, I / O por...

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Abstract

The invention provides a brushless direct current motor control system based on a DSP. The system comprises a rotating speed regulator, a current regulator, a rotating speed calculation apparatus, a magnetic pole position determination apparatus, a software over-current protection apparatus, an ADC unit, a temperature protection device, a hardware current protection apparatus, a current sampling circuit, a driving circuit, a temperature detector, a magnetic pole position sensor, a rotation angle position sensor, an upper computer and a direct current power supply. The rotating speed regulator, the current regulator, the rotating speed calculation apparatus, the magnetic pole position determination apparatus, the software over-current protection apparatus, the ADC unit and the temperature protection device form a DSP controller. The hardware current protection apparatus, the current sampling circuit, the driving circuit, the temperature detector, the magnetic pole position sensor, the rotation angle position sensor and the upper computer are connected to the DSP controller respectively. In the invention, safe, stable and reliable operation of the brushless direct current motor control system based on the DSP is realized.

Description

technical field [0001] The invention relates to a DSP-based brushless DC motor control system, in particular to a DSP-based brushless DC motor control system, which belongs to the field of industrial control. Background technique [0002] Brushless DC motor is a new type of motor developed with the rapid development of power electronics technology. It is an important moving part in modern industrial equipment. Brushless DC motors are based on Faraday's law of electromagnetic induction, and backed by new power electronics technology, digital electronics technology and various physical principles, and have strong vitality. [0003] Brushless DC motors not only have a series of advantages such as simple structure, reliable operation, and convenient maintenance of AC motors, but also have many characteristics such as high operating efficiency, no excitation loss, and good speed regulation performance of DC motors. Due to the disadvantages of noise, sparks, radio interference ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P7/28
CPCH02P7/28
Inventor 邹霞钟玲珑
Owner 邹霞