First, the test background
Beijing Aerospace Science and Technology Development Co., Ltd. (hereinafter referred to as the company), affiliated to China Aerospace Science and Industry Corporation, is the general department and technology research institute of Aerospace Cloud Network Technology Development Co., Ltd. Center, the company adhering to the "information interoperability, resource sharing, capacity coordination, open cooperation, mutual benefit and win-win" core philosophy, and actively respond to the "Made in China 2025" and "Internet + Action Plan" national strategic plan, is committed to creating a Chinese industry The Internet platform - Space Cloud Network (INDICS platform) actively promotes the cloud manufacturing business model based on "Internet + advanced manufacturing."
Second, test bed project overview
Industrial robots fault detection test bed based on industrial Internet platform and next-generation wireless technology was developed by Tianzhi Corporation, Huawei Technologies, and Huada Corporation to build integrated wireless technologies based on next-generation wireless technologies such as low-power wide-area communication technologies and big data and other Internet technologies. solution. The test beds were constructed in Beijing and Foshan, Guangdong Province. In the construction of the industrial Internet platform and big data part of the test bed in Beijing, an industrial robot equipment access part in a test bed was built in Foshan City, Guangdong Province.
The test bed satisfies the need for intelligent fault diagnosis of industrial robots based on industrial Internet platforms, helps industrial robot companies to complete the transformation and upgrading of enterprises, and jointly promotes the intelligentized management and control of new types of robots, promotes the scale and normalization of fault prediction, and jointly builds intelligent robots. The demonstration model and industry benchmark of smart services are widely applicable and can be applied in the industry in the future.
Third, test bed project solution
3.1 Solution Architecture
The test bed acquires the real-time task information and status information of the robot through the INDICS Industrial Internet Platform and Carbondata technology to form a knowledge database of the intelligent robot. Through the data mining technology, a suitable forecasting model is selected to predict the health status of the industrial robot. Gives the best maintenance and overhaul work plan; for the complex faults that may occur on the robot production line, the interactive fault diagnosis of industrial robots provided by the robot industry internet platform is provided to provide users with an interactive fault diagnosis and positioning method, which greatly improves the fault location. Solve the efficiency and reduce the production loss due to robot failure. The application architecture is shown below:
Figure 1 Test bed application architecture
It mainly consists of three parts:
Platform: The test bed relies on INDICS industrial Internet platform for data access, storage, management and analysis, and uses the Big Data architecture and CarbonData for robot fault detection modeling. Data mining and analysis techniques are used to process data, and application-oriented data storage and fast retrieval techniques are applied to achieve real-time status monitoring and fault detection of industrial robots.
Internet layer: It consists of a new generation of industrial wireless communication networks including NB-IoT and WIA, traditional Ethernet networks, and IOT intelligent gateways. It completes the function of collecting device layer information and transmitting data to the platform layer.
Device layer: including the Chinese robot and its data acquisition module
1. Smart terminals supporting wireless communication access
The hardware components of the test bed include terminal hardware such as intelligent industrial robots, and wireless communication network hardware, as well as wireless communication platform server hardware and application server hardware.
Figure 2 Test bed hardware components
2. Robot intelligent service data processing flow
Figure 3 Industrial robot fault detection based on industrial Internet platforms and next-generation industrial wireless technologies
Test bed data processing flow: Obtained industrial robot current, position, fault information, work plan, working status, maintenance input, working environment temperature, humidity and other data, upload to INDICS data collection gateway via intelligent hardware based on wireless communication technology. Into the big data platform, according to different computing needs, data is distributed to different data streams via the rules engine, including real-time data analysis streams and offline data analysis streams.
Real-time data analysis process: All data is sent to real-time data storage in real time to realize real-time robot status monitoring. The robot fault information data is sent to real-time data storage by the real-time calculation engine using the industrial robot fault algorithm model to achieve the robot fault alarm function.
Offline data analysis process: current data, position data, and robot work plan data enter the offline data analysis process, after data cleaning, enter CarbonData storage, filter query, combined query to achieve robot OEE analysis; current data, location data, working environment temperature, Humidity data, using data mining methods to establish the industrial robot equipment failure prediction model, through continuous training of models of data samples, improve the accuracy of the model for robot fault prediction, and achieve the robot fault prediction.
3.2 Expected results of the test bed
1. Economic benefits
Industrial robots fault detection test bed based on industrial Internet platform and next-generation wireless technology can realize intelligent monitoring and prediction of industrial robot failures. In combination with industrial task distribution and maintenance, industrial control processes can be greatly optimized, and work efficiency can be improved and reduced. failure rate. Wireless networks, INDICS industrial Internet platforms and big data technologies can help companies build Internet business channels, broaden their sources of information, effectively reduce the maintenance time of industrial robots, increase availability, and bring considerable economic benefits to enterprises.
2. Business value
Industrial robots fault detection test bed based on industrial Internet platform and next-generation wireless technology provides dynamic and easily expandable resources and capability integrated access to meet the digital characterization requirements of robot manufacturers, enabling robotic industrial equipment to communicate securely and reliably. Access to industrial Internet platforms, and to achieve accurate acquisition of industrial robot manufacturing process data and manufacturing capabilities status information. Further, it has established a comprehensive and technologically advanced industrial Internet platform for wireless device management, providing enterprises with an intelligent and visualized management application platform, and providing effective information technology support and services for enterprise management and business decision-making.
3. Social value
The convergence of industrial Internet and industrial Internet big data technologies has become the focus of the world's major industrial Internet era. Construction and promotion of industrial robots based on industrial Internet platforms and a new generation of industrial wireless technology fault detection test bed for industrial robots to meet the intelligent management of robots It is required that the joint industrial robot company promotes the scale and normalization of the prediction of robot failures, and jointly establish a demonstration model and industry benchmark for intelligent robot fault monitoring, and has wide applicability, and can be applied and promoted in the industry in the future.
Fourth, the current situation of the test bed
4.1 Test bed current construction
The planning and design of fault detection and test beds for industrial robots based on industrial Internet platforms and a new generation of industrial wireless technologies have now been completed, forming the technical framework of the test bed. The industrial robot workshop site construction, smart device access, wireless communication network construction, and hardware resource construction are being carried out.
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