scholarly journals Automatic generation of augmented reality guided assembly instructions using expert demonstration

2016 ◽  
Author(s):  
Bhaskar Bhattacharya
2021 ◽  
Author(s):  
Chiew Jin Hong ◽  
Aun Naa Aun Sung

Abstract Augmented Reality (AR) in the assembly process will improve the user's experience by providing interactive instructions in real time. However, no previous application of AR guided assembly for laptops with a high level of assembly complexity has been developed. The research aims to develop an AR guided assembly application to provide instruction on the assembly of a laptop. The assembly complexity of the laptop was also investigated. The development of the AR application involves the creation of model target, 3D models and animations, and the development of user interface. The laptop assembly consists of ten steps. Each step comprises animated 3D models and text detailing the assembly instructions. Speech recognition has been used to navigate the assembly sequence. The AR application has successfully been developed for laptop assembly with an assembly complexity of 6.63. With the developed application, the performance of the laptop assembly can be accelerated.


Author(s):  
Tapio Salonen ◽  
Juha Sa¨a¨ski ◽  
Charles Woodward ◽  
Otto Korkalo ◽  
Ilari Marstio ◽  
...  

One of the main challenges of introducing Augmented Reality technology into industrial applications is fast, reliable, low-cost authoring of animated AR content of product data created in 3D CAD systems. In this paper we present a product data information pipeline from industry used commercial CAD systems to a marker-based augmented reality system. The pipeline utilizes ISO 10303 (STEP) data protocol, DFA-Tool (Design For Assembly), and VTT’s proprietary content creation and augmenting software. The pipeline is verified with a real industrial application.


2021 ◽  
Vol 111 (03) ◽  
pp. 98-101
Author(s):  
Alexander Neb ◽  
Thomas Bauernhansl

Montageanleitungen sind unabdingbar, um ein Produkt erfolgreich zu verkaufen. Zugleich sind sie sehr zeitaufwendig in der Erstellung und oft nicht gut verständlich. „ARCaide“ ist eine neue Methode, die vorhandene CAD-Daten nutzt und daraus automatisch eine Montageanleitung erstellt. Ein weiterer Vorteil: Die ausgegebene Anleitung ist intuitiv und reduziert Montagefehler schon während des Prozesses, weil sie den Menschen mithilfe von Augmented Reality (AR) anleitet.   Assembly instructions are indispensable for successfully selling a product. However, their creation is very time-consuming and often they are hard to understand. ARCaide is a new method using existing CAD data to automatically create assembly instructions. Another advantage is that these instructions are intuitive, reducing assembly errors during the process as users are guided by means of Augmented Reality (AR).


Author(s):  
Melynda Hoover ◽  
Jack Miller ◽  
Stephen Gilbert ◽  
Eliot Winer

Abstract The human performance benefits of four types of guided assembly instructions, including the Microsoft HoloLens 1, were analyzed in the context of a realistic assembly task. Several studies have confirmed the benefits of using augmented reality (AR) work instructions over traditional digital or paper instructions, but few have compared the effects of different AR hardware, including head-mounted displays, for complex assembly tasks. Participants completed a mock wing assembly task using the Microsoft HoloLens 1, and completion time, error count, and net promoter score (NPS) were recorded. These data were compared to data from previous research which employed desktop model-based instructions (MBIs), tablet MBI, and tablet AR instructions for the same task. The use of HoloLens AR instructions led to time saving of 16% over the tablet AR instructions. HoloLens users also had lower error rates than non-AR users. Despite the performance benefits of the HoloLens AR instructions, this condition had a lower NPS than the tablet AR group. The qualitative data showed that some users thought the HoloLens device was uncomfortable and that the tracking was not always exact. Although the users favored the tablet AR condition, the HoloLens condition had significantly faster assembly times. The authors recommend using the HoloLens for complex guided assembly instructions with minor changes, such as allowing the user to toggle the AR instructions on and off at will. The results of this paper can help manufacturing stakeholders understand the benefits of different AR technologies for manual assembly tasks.


2020 ◽  
Vol 10 (10) ◽  
pp. 3383 ◽  
Author(s):  
Chih-Hsing Chu ◽  
Chien-Jung Liao ◽  
Shu-Chiang Lin

The Dougong structure is an ancient architectural innovation of the East. Its construction method is complex and challenging to understand from drawings. Scale models were developed to preserve this culturally-unique architectural technique by learning through their assembly process. In this work, augmented reality (AR)-based systems that support the manual assembly of the Dougong models with instant interactions were developed. The first objective was to design new AR-assisted functions that overcome existing limitations of paper-based assembly instructions. The second one was to clarify whether or not and how AR can improve the operational efficiency or quality of the manual assembly process through experiments. The experimental data were analyzed with both qualitative and quantitative measures to evaluate the assembly efficiency, accuracy, and workload of these functions. The results revealed essential requirements for improving the functional design of the systems. They also showed the potential of AR as an effective human interfacing technology for assisting the manual assembly of complex objects.


2012 ◽  
Vol 502 ◽  
pp. 25-30 ◽  
Author(s):  
J. Serván ◽  
F. Mas ◽  
J.L. Menéndez ◽  
J. Ríos

The assembly of components in the aerospace industry is currently supported by procedures based on work instructions. This documentation describes both the sequence of operations to be performed by operators and fundamental parameters of operation. However, sometimes difficulties arise, either by the difficulty of interpreting the information or because the process is too complex. This communication shows the results of the Project MOON (asseMbly Oriented authOring augmeNted reality) developed by AIRBUS Military. MOON uses 3D information from the industrial Digital Mock-Up to generate assembly instructions and their deployment by applying Augmented Reality technology. A prototype was developed for the electrical harness routing in the frame 36 of the AIRBUS A400M.


Author(s):  
Marco Matteucci ◽  
Damiano Raponi ◽  
Maura Mengoni ◽  
Margherita Peruzzini

Manual work is a cornerstone of manufacturing, also for factories of Industry 4.0 era. Use cases of manual work regard the production of single item, customized assemblies, small batches. Several injuries can be caused or aggravated by manual handling activities at work. Moreover, the efficiency of the whole process can benefit from correct body posture, parts’ visibility and accessibility. Finally, manual work is strongly human-centered and its performance is affected by the expertise, the level of knowledge, attitudes and belief of workers. In this complex context where multiple factors such as Efficiency, Work Performance, Ergonomics and Safety relate each other to achieve a satisfactory smart industry, the paper proposes an innovative Tangible Augmented Reality platform to train and assist workers during the manual handling and assembly tasks necessary to produce consumer goods with high aesthetic qualities. The proposed platform is the result of the application of a multipath methodology to link health and safety elements, typologies of injuries, ergonomics factors and relative qualitative and quantitative assessment methods and ergonomics analysis tools. The TAR platform allows the worker to consult the assembly instructions in a simple and user friendly way and to be informed by potential risk of injuries by a real-time alert. Based on video mapping techniques, the TAR system superimposes the necessary digital contents on the physical model of the product while the operator is building it.


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