Analysis on Key Technologies and Application Trends of Industrial Robots

The robot control system is the brain of the robot and is the main factor determining the function and performance of the robot. The main task of industrial robot control technology is to control the position, attitude and trajectory of industrial robots in the workspace, the sequence of operations and the time of action. It has the characteristics of simple programming, software menu operation, friendly human-computer interaction interface, online operation prompts and easy to use. Key technologies include: (1) Open modular control system architecture: Distributed CPU computer structure, divided into robot controller (RC), motion controller (MC), optical isolation I/O control board, sensor processing Board and programming teaching box, etc. The robot controller (RC) and the programming teach pendant communicate via the serial/CAN bus. The main computer of the robot controller (RC) completes the motion planning, interpolation and position servo of the robot, as well as the functions of the main control logic, digital I/O, sensor processing, etc., and the programming teaching box completes the display of information and the input of the keys.

(2) Modular and hierarchical controller software system: The software system is built on the open source-based real-time multitasking operating system Linux, which adopts layered and modular structure design to realize the openness of the software system. The entire controller software system is divided into three levels: hardware driver layer, core layer and application layer. The three levels face different functional requirements, corresponding to different levels of development. Each level in the system consists of several modules with opposite functions. These functional modules cooperate with each other to realize the functions provided by the level.

(3) Fault diagnosis and safety maintenance technology of the robot: Diagnosing the robot fault through various information and performing corresponding maintenance is the key technology to ensure the safety of the robot.

(4) Networked robot controller technology: At present, the application engineering of robots has evolved from a single robot workstation to a robot production line, and the networking technology of robot controllers has become more and more important. The controller has networking functions of serial port, field bus and Ethernet. It can be used for communication between robot controllers and robot controllers with the host computer, which is convenient for monitoring, diagnosis and management of the robot production line. Mobile robot (AGV) mobile robot (AGV) is a type of industrial robot. It is controlled by computer and has functions such as mobile, automatic navigation, multi-sensor control, network interaction, etc. It can be widely used in machinery, electronics, textile, cigarettes. The functions of flexible handling, transmission, etc. in the medical , food, paper and other industries are also used in automated warehouses, flexible processing systems, flexible assembly systems (with AGV as the active assembly platform), and at the same time, the goods can be collected at stations and machines. Suizhong as a means of transportation.

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