Generation Algorithm of Assembly Sequence Based on Assembly Order Rules and Geometric Constraints for the Purpose of Fast Automatic Generation of Assembly Animation and 3D Work Instruction Sheets

Enomoto, Akifumi; Tsutsumi, Daisuke; Yamamoto, Noriaki; Bayasi, Qiqige; Suzuki, Tatsuya; Iida, Kiichiro; Sasaki, Tsutomu; Hirai, J.-I.; Shibata, T. A.; Okita, Kenji; Ohtsu, Eiji; Kuroya, Katsutoshi; Nemoto, Sakae

doi:10.2493/jjspe.79.790

Journal of the Japan Society for Precision Engineering

2013

DOI: 10.2493/jjspe.79.790

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Generation Algorithm of Assembly Sequence Based on Assembly Order Rules and Geometric Constraints for the Purpose of Fast Automatic Generation of Assembly Animation and 3D Work Instruction Sheets

Akifumi Enomoto¹,

Daisuke Tsutsumi²,

Noriaki Yamamoto³

et al.

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Assembly motion automatic planning technology using geometric constraint conditions (Calculation of start, end and via point for parts assembly task using 3D CAD data)

大毅¹,

敦子²,

大輔³

et al. 2019

Transactions of the JSME (In Japanese)

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To accommodate highly-mixed variable-volume assembly production, a human-robot cooperative production line utilizing a robotic cell is promising. A robotic cell is equipped with an industrial robot of which motion plans can be switched depending on the product variation. The motion plans should be switched quickly as possible on the demand from market, but the planning is one of the time-consuming tasks. This study aims to develop an automatic planning method for assembly motion using the geometric constraint conditions on 3D CAD data of the products. It was found that reduction of planning work-time by 61% can be achieved compared with the manual planning method.

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Assembly motion automatic planning technology using geometric constraint conditions (Calculation of start, end and via point for parts assembly task using 3D CAD data)

大毅¹,

敦子²,

大輔³

et al. 2019

Transactions of the JSME (In Japanese)

View full text Add to dashboard Cite

show abstract

Reconfigurable Production Line Design Method for Human Workers – Robotic Cell Collaborated Line Considering Worker’s Attitude Toward Work

Kajita

Moronuki

2021

IJAT

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In recent years, manufacturing companies have faced difficulties in securing sufficient production capabilities at factories because of many regional risks, such as natural calamities and epidemics. A production line should be designed to be reconfigured to adapt to various risks for satisfying its demands. This paper proposes a flexible and reconfigurable production line composed of a combination of line workers and multipurpose equipment called robotic cells. A robotic cell performs work (similar to a worker) using a programmable arm robot. The required tasks are allocated to workers or robots. However, it is difficult to design the line configuration and task allocation, because the number of combinations is large. Additionally, the production efficiency fluctuates depending on the correlations between the worker’s attitude, skill level, and allocated tasks. This paper describes a production-line design method using a genetic algorithm. The proposed method maximizes the availability ratio and minimizes the cost of the production line by considering the worker’s attitude toward the work.

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Generation Algorithm of Assembly Sequence Based on Assembly Order Rules and Geometric Constraints for the Purpose of Fast Automatic Generation of Assembly Animation and 3D Work Instruction Sheets

Cited by 2 publications

References 5 publications

Assembly motion automatic planning technology using geometric constraint conditions (Calculation of start, end and via point for parts assembly task using 3D CAD data)

Assembly motion automatic planning technology using geometric constraint conditions (Calculation of start, end and via point for parts assembly task using 3D CAD data)

Reconfigurable Production Line Design Method for Human Workers – Robotic Cell Collaborated Line Considering Worker’s Attitude Toward Work

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