TMS320F28377D-based dual-core control module with digital control and independent protection functions

Abstract

The invention provides a TMS320F28377D-based dual-core control module with digital control and independent protection functions. The TMS320F28377D-based dual-core control module with the digital control and independent protection functions, serving as a control core of a motor servo system, mainly comprises a DSP circuit, an FPGA circuit, an interface circuit, a power source circuit, a digital-to-analog conversion chip, a level conversion chip, a communication chip and a protection relay. According to the module, angular position information of an angular position sensor and and sensor switching signals are obtained through the interface circuit; the FPGA circuit solves the angle information and collects protection signals and transmits the protection signals to the DSP circuit; the DSP circuit is provided with a dual-core control structure, and the control quantity is calculated through a control algorithm; signals are output to a motor driver through the digital-to-analog conversionchip to drive the motor to rotate; and logic analysis and switching control are carried out on the protection signals, so as to monitor and protect the servo system. The dual-core control module has very strong data processing and control capability, can monitor and protect the servo system, and improves the safety and reliability of motor servo control.

Description

technical field [0001] The invention relates to a TMS320F28377D-based dual-core control module with digital control and independent protection functions, which is used for digital control and alarm protection of motor servo control, and is especially suitable for motor rotating platforms with high load value and high reliability and safety requirements. occasion. Background technique [0002] The motor servo control turntable is the main platform for the calibration of gyroscopes, adding meters and inertial navigation. Since the products tested by the servo control turntable are often of high value, this requires that the motor servo control is reliable and safe. Under no circumstances should the test product be damaged. damage, and the motor servo control module is the top priority of the turntable. [0003] The existing motor servo control module is generally a single-core CPU mode. In the process of motor control, it is necessary to continuously complete the servo contro...

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Problems solved by technology

[0003] The existing motor servo control module is generally a single-core CPU mode. In the process of motor control, it is necessary to continuously complete the servo control of the motor in a short period of time, and to continuously monitor various states and switches in the process of motor control. It is difficult to take into account the real-time performance of protection and motor control performance. For occasions with high real-time protection requirements, the priority of triggering protection must be higher than that of motor control itself, but this will also cause the decline of motor control performance and affect the product. Tests make a difference

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