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Control system for modular robot based on CAN bus

A CAN bus and CAN controller technology, applied in the field of modular articulated robot control systems, can solve the problems of high cost, installation and maintenance costs, and achieve the effects of short development cycle, low cost and extended functions

Inactive Publication Date: 2009-10-21
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of existing robot control systems in terms of openness and reliability, as well as the shortcomings of high cost, installation and maintenance costs, the present invention provides a modular robot control system based on CAN bus, which uses CAN bus As the architecture of the robot control system, you can easily add hardware devices and expand functions as needed. When the hardware changes, you only need to make adjustments to the field devices of the relevant nodes without affecting other nodes, and you can Easily adjust the number of control nodes to change the robot's degrees of freedom

Method used

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  • Control system for modular robot based on CAN bus
  • Control system for modular robot based on CAN bus
  • Control system for modular robot based on CAN bus

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Embodiment Construction

[0075] The circuit schematic diagram of the control module of the present invention is as shown in 2:

[0076] The main controller chip of the control module is ATmega64, which constitutes the communication interface circuit of the CAN bus with the CAN controller SJA1000 and the CAN bus driver PCA82C250; the pins 43, 42, 34, 33, 20, 9, 51, 50, 49 , 48, 47, 46, 45, 44 are respectively connected to pins 3, 4, 5, 6, 17, 16, 23, 24, 25, 26, 27, 28, 1, 2 of SJA1000; pin 13 of SJA1000 , 19, and 20 are connected to pins 1, 4, and 5 of PCA82C250 respectively; pins 7 and 6 of PCA82C250 are respectively connected to pins 1 and 2 of CANBAS through resistors R2 and R7; pins of four ferroelectric memories FM01-FM04 5, 6, and 7 are connected to pins 26, 25, and 18 of ATmega64 respectively; pins 1, 3, 5, and 9 of the JTAG interface are connected to pins 57, 55, 56, and 54 of ATmega64, as shown in Figure 3(b ) shown; the pins 1, 5, 7, and 9 of the ISP interface are connected to the pins 2, 2...

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Abstract

A modular articulated robot control system based on CAN bus, characterized in that the system includes an upper main control computer, a CAN intelligent interface card, multiple control modules (each control module controls a joint of the robot), and the connection of these modules It is composed of CAN bus and CAN intelligent interface card; the dual-channel intelligent CAN interface card in this system has one end connected to the host computer through the USB interface, the other end connected to the CAN bus through the CAN bus interface, and the control module is connected to the CAN bus ; This system and its method have good portability, short development cycle, low cost, reconfigurability, replaceability, openness and high stability, and can perform real-time monitoring of robots.

Description

technical field [0001] The invention relates to a robot control system, in particular to a CAN bus-based modular joint robot control system. Background technique [0002] At present, the control systems of most robots are based on specific controlled objects, and are developed and designed using special hardware platforms, special systems and operating languages, and their structures are mostly closed. This makes it difficult for users or third-party developers to expand the functions of the robot's control system as needed, and to increase, decrease, and transplant the software and hardware of the control system. If the various functions of the control system are concentrated together without a clear division of structure and function, then a failure of one function will inevitably affect the reliability of the entire control system, and even cause the entire system to fail. The cost of the control system, installation and maintenance costs will increase accordingly. Ther...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J9/16B25J13/00G05B19/418
CPCY02P90/02
Inventor 韩清凯苏立娟侯硕
Owner NORTHEASTERN UNIV LIAONING
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