The core advantages of iGPS (Indoor GPS) navigation AGV car are submillimeter high-precision positioning, large-space continuous navigation, flexible path without medium, and it is perfectly suitable for scenes that require high precision and flexibility, such as "high-end manufacturing, precision assembly, and large-size parts transfer", especially in complex environments that require multi-equipment cooperation and frequent production changes. The following are typical application scenarios sorted by industry priority, which are explained in detail by combining technical adaptability and actual cases:First, the core application scenario: aerospace manufacturing (the most suitable scenario)
Scene characteristics:
Parts are large in size (fuselage, wings, engine) and heavy (tens of tons), and need to be transported accurately over a long distance (50~200m);
The assembly accuracy is extremely high (±0.5~±2mm), which requires AGV to cooperate with assembly equipment and robots.
Small production batches and multi-model switching (such as fuselage assembly of different models) require rapid adjustment of flexible paths.
Typical application:
Transshipment and docking of fuselage/wing components
Application links: from parts warehouse to pulse production line, fuselage subsection docking, wing and fuselage assembly;
Case: An aviation manufacturing enterprise deployed iGPS navigation AGV (with a load of 50 tons) to realize the accurate transfer of fuselage segments from the processing workshop to the assembly site, with the positioning accuracy of ±0.3mm, and cooperated with robots to complete automatic docking, the docking time was shortened from traditional manual 4 hours to 40 minutes, and the error rate was reduced to below 0.1%.
Precision assembly of aero-engine
Application links: the transfer of engine cylinder, blades and other components, as well as the precise docking of engine and fuselage;
Technical adaptation: iGPS+visual fusion navigation, after AGV is equipped with engine components, the positioning error between AGV and assembly platform is ≤±0.5mm, avoiding component collision or assembly deviation caused by manual handling, and improving the qualified rate of engine assembly by 30%.
Transshipment of space equipment (rockets/satellites)
Application links: rocket body segmentation, clean workshop transportation of satellite cabin, and short-distance transportation of test platform and launcher;
Scene requirements: ISO 7 clean environment, low vibration (≤0.1g) and medium-free navigation (to avoid polluting clean areas);
Case: An aerospace base used iGPS navigation AGV to realize the contactless transfer of satellite cabin in a clean workshop, with positioning accuracy of ±0.8mm, vibration control within 0.05g, and the damage rate of satellite components decreased from 0.8% to 0.02%.
Second, key application scenarios: high-end automobile manufacturing (flexible production core)
Scene characteristics:
High assembly accuracy (1 ~ 3 mm) is required for components such as body-in-white and powertrain;
Multi-vehicle co-line production (like a production line producing fuel vehicles and new energy vehicles) needs to switch paths quickly;
The workshop space is large (more than 100m×50m), and more AGVs (10~20 units) need to be coordinated.
Typical application:
Flexible welding production line for white body
Application links: the transfer of body-in-white from stamping workshop to welding station, after welding, and the switching of different car bodies;
Technical adaptation: iGPS+laser SLAM integrated navigation, AGV can quickly adjust the path (the production change time is shortened from 2 hours to 15 minutes), the positioning accuracy is 1 mm, and the automatic feeding is completed with the welding robot, and the production rhythm is increased by 20%;
Case: The assembly line of SAIC-GM-Wuling Powertrain is equipped with iGPS navigation AGV, which realizes the accurate transshipment and assembly of engines and gearboxes, the positioning accuracy is ±0.8mm, the production changing efficiency of the assembly line is improved by 60%, and the annual production capacity is increased by 50,000 vehicles.
New energy automobile battery packaging and distribution
Application links: the transfer of battery modules from storage area to assembly line, and the accurate docking of battery packs and body chassis;
Scene requirements: anti-static, low vibration (avoiding battery short circuit) and high-precision positioning (alignment error of battery pack mounting hole ≤ 2mm);
Case: A new energy vehicle enterprise uses iGPS to navigate AGV. The positioning accuracy of battery pack is ±1.2mm, the alignment success rate with chassis mounting holes is 100%, the battery assembly efficiency is improved by 40%, and the defective rate is reduced from 0.5% to 0.08%.
Precision machining and transshipment of automobile parts
Application link: the transfer of high-precision parts such as engine cylinder block and crankshaft from machining center to testing platform;
Technical adaptation: iGPS+encoder fusion, the vibration of AGV during driving is controlled within 0.08g to avoid scratches on the machined surface of parts, and the inspection qualification rate is increased by 15%.
Third, key application scenarios: electronic semiconductors and precision manufacturing
Scene characteristics:
Small product size (wafer, chip, precision instrument) and extremely high positioning accuracy (0.1 ~ 1 mm);
Harsh environmental requirements (clean room, anti-static, dust-free), requiring medium-free navigation;
The production process is continuous, which requires the linkage between AGV and equipment (mask aligner and detector).
Typical application:
Wafer cleaning workshop transfer
Application: Transfer of 8-inch/12-inch wafers from wafer boxes to mask aligner and etching machine;
Scene requirements: ISO 1~3 clean environment, anti-static (≤100V) and positioning accuracy of ±0.3mm；;
Technical adaptation: iGPS+visual navigation. After AGV is loaded with wafer box, the docking error with mask aligner is ≤±0.2mm to avoid contamination or scratch on the wafer surface, and the wafer breakage rate is reduced from 1.2% to 0.05%.
Precision instrument (medical/electronic) assembly
Application links: transportation of core components of medical equipment (CT machine, nuclear magnetic resonance instrument), and assembly of electron microscope and semiconductor detection equipment;
Case: A medical equipment enterprise used iGPS to navigate AGV, transferred the detector module of CT machine (accuracy required ±0.5mm), and cooperated with the mechanical arm to complete automatic assembly. The assembly time was shortened from 2 hours to 30 minutes, and the qualified rate of equipment accuracy test was improved by 25%.
High-end production line for 3C products
Application link: the transfer of the core components (motherboard and screen) of mobile phones and computers from SMT workshop to assembly line;
Technical adaptation: iGPS+RFID fusion, AGV can trigger different assembly tasks according to RFID tags, and the positioning accuracy is ±0.8mm, which meets the flexible production requirements of multi-model 3C products.
Fourth, characteristic application scenarios: rail transit and heavy equipment manufacturing
Scene characteristics:
The parts are large in size (high-speed rail bogie, shield machine parts) and heavy in weight (10~100 tons), which requires heavy AGV transport;
The assembly accuracy is high (0.5 ~ 3 mm), and multiple AGVs need to cooperate (such as synchronous lifting and transportation);
The workshop space is wide (more than 200m×100m), and the accuracy of traditional navigation (magnetic stripe, laser SLAM) is insufficient.
Typical application:
Transfer and assembly of high-speed rail/subway bogies
Application links: the bogie is transported from the welding workshop to the inspection platform, after inspection, and accurately docked with the car body;
Case: A rail equipment factory of CRRC Group deployed an iGPS navigation heavy-duty AGV (with a load of 80 tons), and the positioning accuracy of the high-speed rail bogie was 0.5 mm. With the assembly line, the assembly efficiency of the bogie was improved by 35%, and the qualified rate of inspection was increased from 98% to 99.8%.
Manufacturing of core components of shield machine
Application links: segmented transfer of cutter head and shield body of shield machine, and assembly of various parts;
Technical adaptation: multi-AGV collaborative lifting (four AGVs work synchronously), iGPS realizes the collaborative accuracy of multi-AGV 1 mm, avoiding the deformation caused by uneven stress of heavy-duty parts, and shortening the shield assembly cycle by 20%.
Handling and Installation of Large Machine Tool Equipment
Application links: heavy CNC machine tools (weighing more than 50 tons) are transported from the factory to the workshop, as well as accurate installation and positioning;
Case: A machine tool manufacturing enterprise uses iGPS navigation AGV to transfer CNC machine tools to designated stations. The positioning accuracy is ±0.8mm, the installation time is shortened from 3 days to 1 day, and the machining accuracy error after equipment installation is reduced by 15%.
V. Other potential scenarios: high-end logistics and special industriesHigh-end warehousing (precision parts/medical consumables)Application: storage and transportation of aerospace parts and medical consumables (such as artificial heart valves);
Scene requirements: low temperature (-20℃~0℃), clean environment, positioning accuracy of 1 mm to avoid damage to goods;
Technical adaptation: iGPS+temperature sensor fusion, AGV can run stably in low-temperature clean warehouse, and the transport efficiency is improved by 50%.
Nuclear industry and high-end manufacturing of chemical industry
Application: transport of nuclear reactor components and chemical precision equipment (high-risk, high-corrosive environment);
Scene requirements: radiation protection, corrosion resistance, no manual intervention (remote control);
Technical adaptation: iGPS+wireless communication (5G), AGV can be transported autonomously in the radiation area, and the positioning accuracy is ±1.5mm, so as to avoid personnel being exposed to high-risk environment.
VI. Criteria for scene adaptation (whether quick screening is applicable)
If the following three or more conditions are met, iGPS navigation AGV is preferred:
The positioning accuracy shall be ≥±3mm (normal scene) or ≥±1mm (precise scene);
The working space is large (≥50m×50m), and it needs long-distance continuous navigation;
The path needs to be frequently switched (multi-product collinear production), and there is no media navigation requirement;
Multi-AGV coordination or linkage with robots and assembly equipment is needed;
Adequate budget (the investment of a single AGV+supporting equipment is ≥ 500,000 yuan).
Seven, not applicable scenarios (to avoid technical mismatch)
Low precision requirements (positioning error is allowed to be ≥±10mm): for example, the price/performance ratio is much lower than that of magnetic navigation and laser SLAM navigation;Small space operation (< 30m× 30m): the deployment cost of IGPS launch station is high, and the accuracy advantage cannot be exerted;Extremely harsh environment (heavy dust, strong direct light, strong electromagnetic interference): iGPS infrared signal is easily disturbed, and the positioning stability decreases;summaryThe core application scenarios of iGPS navigation AGV are concentrated in the high-end manufacturing field, especially in industries that require high precision, large space and flexibility, such as aerospace, high-end automobile manufacturing, electronic semiconductors and rail transit. Its essence is "solving the core pain point of high-end manufacturing with technical precision", rather than replacing the low-cost scene of traditional navigation AGV. When selecting, it is necessary to accurately match "precision demand, space scale and flexible production demand" to avoid cost waste caused by excessive pursuit of high precision.
