In the actual application of the AGV, it is often necessary to change the type and number of sensors and drives due to the different goods the user needs to carry. In order to improve the efficiency of robot R&D design, enhance the core competitiveness of the product.
In the actual application of AGV, users often need to change the type and quantity of sensors and drives due to the different goods they need to carry. In order to enhance the core competitiveness of the products, Hyundai AGV has a variety of special car body controllers and car body controller software with independent intellectual property rights. The software and hardware are modular design, which can be quickly adapted simply by adjusting the configuration parameters. With a variety of different types of AGV models change.
The AGV control system consists of a vehicle body controller, a safety device, a human-machine interface, a radio station, a motion controller, a sensor, and a navigation system. The main controller is used to issue and receive commands. The controller is designed for AGV control and application. It is suitable for use in industrial environments and is the main control unit of the AGV system. The safety device is directly connected to the safety circuit in the controller to ensure the safety of the robot to the environment. Through human-machine interface and wireless communication, commands can be issued in real time and the operating status can be observed. The AGV main controller controls the servo drive and the motion controller to perform operations by receiving the navigation system and sensor data.
The AGV control system software uses a large number of industrial automation control theories, enabling a variety of navigation methods, a variety of wheel drive, and a variety of sensor control and application. The main controller has a friendly man-machine interface, is simple to use and has rich functions. The operator can observe the running status of the robot in real time through the interactive interface. Body parameters and programs can be uniformly configured and updated in the console via wireless communication.
AGV scheduling control
In the AGV application, in order to facilitate the change of the line, the motion path control of the robot is realized by the console and the console software. The console hardware is composed of industrial computers and peripherals. The radio base station communicates with the AGV wirelessly. The AGV can automatically switch between multiple stations.
In terms of console software scheduling control, the AGV is simple to operate and easy to change. At the same time, the console can observe the AGV running status at any time. If the robot fails, the console can realize automatic detection and alarm measures. The console can realize multi-vehicle control and scheduling.
AGV navigation technology
AGV autonomous navigation technology can be divided into tape navigation, electromagnetic navigation, laser navigation, visual navigation, inertia and ID navigation. Tape navigation principle: Tape navigation technology uses a tape on the road surface to guide through the tape sensing signal. Advantages of tape navigation: AGV positioning is accurate, tape navigation flexibility is better, changing or expanding the path is easier, tape laying is relatively simple, and the guiding principle is simple and reliable.
Electromagnetic navigation principle: Electromagnetic navigation is one of the more traditional navigation methods. It is still used by many systems. It is to embed metal wires on the travel path of the AGV and load the pilot frequency on the metal wire. Identify to achieve navigation of the AGV. Advantages of electromagnetic navigation: The guiding line is concealed, not easy to be polluted and damaged, and the guiding principle is simple and reliable.
Principle of laser navigation: Laser navigation is to install a precise reflector around the AGV path. The AGV determines the current position and direction by emitting a laser beam and simultaneously collecting the laser beam reflected by the reflector. Advantages of laser navigation: AGV positioning is accurate, the ground does not need other positioning facilities; the driving path can be flexibly changed.
AGV safety monitoring and fault diagnosis technology
The AGV body controller, servo controller, motion controller, laser anti-collision sensor and other devices all have safety protection functions. When the device has a dangerous situation such as power failure, reset, watchdog timeout, etc., the output of the safety signal will be cut off to protect the system. The AGV is designed in electrical design in full compliance with product safety standards, and electrical and electromagnetic compatibility is considered for both the device and the connector.
AGV device and machine testing technology
For the production of AGV core devices, production and experiments are carried out in strict accordance with the production process. Refer to the "Basic Environmental Test Procedures for Electrical and Electronic Products" for high and low temperature storage, operation, vibration and aging experiments on electronic circuit boards and assembled products. High and low temperature storage and operation tests on electronic circuit boards ensure that the products are not damaged by stress changes caused by temperature changes during transportation and storage. Vibration and aging experiments ensure that equipment is protected from equipment failure due to assembly or welding quality during transportation and use. Use an oscilloscope for critical test points before product assembly. The finished product is tested on a dedicated test platform device to ensure the reliability of the device.
Commissioning and testing of the AGV machine. Each AGV is assembled in accordance with the production specification process and commissioned by a professional engineer. There are special tooling and test platforms for special device debugging. For the complete assembly and commissioning, the machine will be continuously circulated in a dedicated site to ensure that all performance of the equipment can be sent to the commissioning site without any faults for a long time.
With the advent of the industry 4.0 era, China's intelligent manufacturing industry is booming, and the domestic AGV industry has a bright future. As an excellent smart factory solution provider, Easy Info provides customers with complete smart factory solutions from the perspectives of production, operation and decision-making. Among them, in the field of intelligent equipment, Yiyi Information established Jiangsu Yihui Intelligent Equipment Co., Ltd., and settled in the Taizhou New Energy Industrial Park with an area of ​​30.9 square kilometers. Based in Taizhou, it radiates the surrounding areas and provides automation enterprises, robots and AGVs for manufacturing enterprises. Software and hardware coordination solutions, such as flexible production lines, solve various problems encountered by enterprises in intelligent transformation and upgrading.
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