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Servo controller with comprehensive diagnosis function for AGV

A servo controller and comprehensive diagnosis technology, applied in general control systems, program control, computer control, etc., can solve problems such as long time consumption, affecting production, and high technical level requirements, achieving low cost, comprehensive instructions, and flexible settings. Effect

Pending Publication Date: 2020-06-23
SHENYANG SIASUN ROBOT & AUTOMATION
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Problems solved by technology

This method requires a higher technical level of maintenance personnel, and sometimes takes a long time, affecting production

Method used

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  • Servo controller with comprehensive diagnosis function for AGV
  • Servo controller with comprehensive diagnosis function for AGV
  • Servo controller with comprehensive diagnosis function for AGV

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] Such as figure 1 Shown is a schematic structural diagram of the servo controller of the present invention. Including: the core processor is composed of DSP2407, CPLD, motor disconnection detection circuit, encoder disconnection detection circuit, driver short circuit protection circuit, motor current acquisition circuit, output voltage acquisition circuit, etc. Among them: motor disconnection detects the secondary terminal voltage of the current sensor, extracts the PWM signal after filtering, and enters the CPLD for judgment after passing through the shaping circuit. After the encoder signal enters the servo, it is divided into two paths: one path passes through the differential conversion of the encoder shaping circuit to single-end, and then enters the CPLD for phase loss judgment, and provides it to the QEP interface of the DSP; the other path inp...

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Abstract

The invention relates to a servo controller with a comprehensive diagnosis function for an AGV. The servo controller comprises a core processor, a CPLD circuit, a motor disconnection detection circuit, an encoder disconnection detection circuit, a driver short-circuit protection detection circuit, a motor current acquisition circuit and an output voltage acquisition circuit. The controller can judge whether the motor is disconnected or not, whether the encoder is disconnected or not, whether the driver is short-circuited or not and whether the motor current and the output voltage exceed presetthresholds or not, protection is conducted, and the controller has the advantages of being comprehensive in detection, high in safety, flexible in setting, low in cost and the like.

Description

technical field [0001] The invention relates to a digital servo controller, in particular to an AGV servo controller with comprehensive diagnosis function. Background technique [0002] In the AGV control system, the servo is playing an increasingly important role, and the interface is becoming more and more abundant, which provides great flexibility for the application. At the same time, the probability of failure also increases accordingly, which makes troubleshooting difficult. At the same time, failure to take timely measures for some failures will cause abnormal actions of the AGV, such as flying. [0003] At present, many servos do not have comprehensive diagnostic functions, or have few diagnostic functions. Problems are mainly judged by the experience of maintenance personnel, and then further analyzed through instrument measurement. This method requires a higher technical level of maintenance personnel, and sometimes takes a long time, affecting production. Conte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042G01R31/08
CPCG05B19/0423G05B2219/24215
Inventor 张雷宁仁超于焕曹智荀
Owner SHENYANG SIASUN ROBOT & AUTOMATION
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