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The Solution of UWB Indoor Positioning Technology in Automotive Production and Management
1. Does UWB positioning technology need to be used in automobile manufacturing? The development trend of automated automobile production workshops is
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1. Does automobile manufacturing require UWB positioning technology
The development trend of automated automobile production workshops is that more and more automobile factories are adopting automated assembly lines or increasing the proportion of automated assembly line production. In the process of assembly line manufacturing, it is necessary to locate and obtain position information for each vehicle waiting to be assembled, which is a necessary step in automated assembly line operations. Automakers such as Germany, Mercedes Benz, and BMW have long implemented the use of RFID positioning technology to calibrate the identity of each vehicle. Toyota, Nissan and other car companies in Japan also have similar solutions. Therefore, calibrating the identity of each vehicle and obtaining accurate location information is a prerequisite for lean production of automobiles.
2. Traditional solutions for vehicle manufacturing
Before the emergence of UWB indoor positioning technology, RFID was the main positioning technology used in industry. RFID is essentially an identity recognition technology, but due to its relatively close distance, it can also be used for positioning purposes. The accuracy of RFID positioning depends on the distance between the RFID reader and the RFID tag. Therefore, lean automobile production requires the installation of RFID base stations, also known as RFID card readers, at each production point. Install RFID card readers on each vehicle that needs to be assembled. In this way, every time the vehicle passes through an assembly point on the assembly line, the card reader will read the information on the RFID tag on the vehicle. As shown in the following figure:
3. The Problems of Traditional RFID Identification Methods
The means of RFID identification are relatively primitive, which requires a large number of RFID base stations/card readers to be installed. Any problem with a base station/card reader must be dealt with immediately, otherwise it will cause the entire production line to wait, thereby affecting the operation of the entire production line and causing production downtime and losses. If improvements are made in the way of Industry 4.0, increasing the number of RFID base stations/card readers at each work point for redundant backup will result in a significant increase in cost expenditures. The large number of RFID base stations/card readers also imposes a significant burden on equipment maintenance. Therefore, it needs to be replaced by new indoor positioning technologies.
4. Overview of this plan
This system adopts high precisionUWB、 RFID、 The intelligent factory application system and other components form a new solution to address RFID issues. By integrating with the customer's MES/ERP production, customized requirements are made on the basic platform based on specific business processes. Through high precisionUWBThe positioning system accurately tracks and locates materials, spare parts, semi-finished products, forklifts, and workers in the production area, specifically tracking and understanding the production progress of products at the current workstation of the assembly line, workers' confirmation of processes, rapid tool positioning and usage records, release confirmation and control, etc. It can greatly provide automated visual management of the production process, improve production efficiency and quality control.
high precisionUWBThe intelligent factory system will be configured according to specific user needs and can provide high-precision (below 30 centimeters)UWBPositioning system, achieving an accuracy of up to 10cm in positioning; Integrate the user's existing barcode/RFID positioning system to meet the needs of area perception.
5. System functions
Visualize industrial production
Our company provides the most cost-effective indoor positioning based on UWB positioning technologyPersonnel positioning systemSolution, looking forward to your cooperation.
The development trend of automated automobile production workshops is that more and more automobile factories are adopting automated assembly lines or increasing the proportion of automated assembly line production. In the process of assembly line manufacturing, it is necessary to locate and obtain position information for each vehicle waiting to be assembled, which is a necessary step in automated assembly line operations. Automakers such as Germany, Mercedes Benz, and BMW have long implemented the use of RFID positioning technology to calibrate the identity of each vehicle. Toyota, Nissan and other car companies in Japan also have similar solutions. Therefore, calibrating the identity of each vehicle and obtaining accurate location information is a prerequisite for lean production of automobiles.
2. Traditional solutions for vehicle manufacturing
Before the emergence of UWB indoor positioning technology, RFID was the main positioning technology used in industry. RFID is essentially an identity recognition technology, but due to its relatively close distance, it can also be used for positioning purposes. The accuracy of RFID positioning depends on the distance between the RFID reader and the RFID tag. Therefore, lean automobile production requires the installation of RFID base stations, also known as RFID card readers, at each production point. Install RFID card readers on each vehicle that needs to be assembled. In this way, every time the vehicle passes through an assembly point on the assembly line, the card reader will read the information on the RFID tag on the vehicle. As shown in the following figure:
3. The Problems of Traditional RFID Identification Methods
The means of RFID identification are relatively primitive, which requires a large number of RFID base stations/card readers to be installed. Any problem with a base station/card reader must be dealt with immediately, otherwise it will cause the entire production line to wait, thereby affecting the operation of the entire production line and causing production downtime and losses. If improvements are made in the way of Industry 4.0, increasing the number of RFID base stations/card readers at each work point for redundant backup will result in a significant increase in cost expenditures. The large number of RFID base stations/card readers also imposes a significant burden on equipment maintenance. Therefore, it needs to be replaced by new indoor positioning technologies.
4. Overview of this plan
This system adopts high precisionUWB、 RFID、 The intelligent factory application system and other components form a new solution to address RFID issues. By integrating with the customer's MES/ERP production, customized requirements are made on the basic platform based on specific business processes. Through high precisionUWBThe positioning system accurately tracks and locates materials, spare parts, semi-finished products, forklifts, and workers in the production area, specifically tracking and understanding the production progress of products at the current workstation of the assembly line, workers' confirmation of processes, rapid tool positioning and usage records, release confirmation and control, etc. It can greatly provide automated visual management of the production process, improve production efficiency and quality control.
high precisionUWBThe intelligent factory system will be configured according to specific user needs and can provide high-precision (below 30 centimeters)UWBPositioning system, achieving an accuracy of up to 10cm in positioning; Integrate the user's existing barcode/RFID positioning system to meet the needs of area perception.
5. System functions
Visualize industrial production
- Accurately locate materials, parts, semi-finished products, tools, and personnel;
- Record production and quality data, location information, progress changes, and dwell time;
- Real time tracking of semi-finished products and reporting of their status on the assembly line;
- Proactively alert stagnant components, semi-finished products, abnormal quality status, etc
- Simulate factories and assembly lines in 2D or 3D to achieve process visualization and seamless integration with MES/FIS/ERP systems
- Confirm the assembly information of the product
- Track the manufacturing status of products;
- Quick tool positioning, search and correct usage records;
- Integrate with PMS or EMS to provide quality control functions.
- Real time rapid positioning of materials, understanding the specific location and last appearance time;
- Quickly locate and optimize production scheduling for special vehicles, and allocate them reasonably;
- Match production progress with material inventory, and reasonably control inventory levels;
- Real time reminder of low inventory levels to ensure production operation.
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- 6. Advantages of the plan
- The biggest difference between this solution and the original RFID solution is the use of UWB indoor positioning technology, which locates both the production vehicles and operators on the waterline, while obtaining the location information of the vehicles and personnel. The positioning information of vehicles and personnel is located on the same platform, ensuring the simultaneity and effectiveness of human resources and production materials.
- In addition, this solution greatly reduces the deployment of existing RFID base stations/card readers. Deploying about 4 UWB positioning base stations in an effective 50 * 50 meter space can comprehensively solve the positioning problem, and the accuracy can reach about 30cm. It has achieved twice the result with half the effort.
- 7. Construction cost of the plan
- Compared with the traditional RFID vehicle production identification scheme, the construction of this scheme has increased the cost of terminal tags, and the price of UWB tags will be higher than that of RFID tags. The overall cost increase is directly proportional to the number of cars on the car assembly line. In terms of base station cost, in a factory building of about 50 * 50 meters, if the line of sight is relatively good and there is no complete obstruction in the middle, only 4 are neededUWBIndoor positioning base stations have greatly reduced the number of base stations compared to card readers, resulting in a significant decrease in procurement and maintenance costs. Therefore, the overall cost should be lower than the original plan.
Our company provides the most cost-effective indoor positioning based on UWB positioning technologyPersonnel positioning systemSolution, looking forward to your cooperation.
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