Assembly Automation: Volume 38 Issue 4

The learning-based optimization algorithm for robotic dual peg-in-hole assembly

Zhimin Hou, Markus Philipp, Kuangen Zhang, Yong Guan, Ken Chen, Jing Xu

This paper aims to present an optimization algorithm combined with the impedance control strategy to optimize the robotic dual peg-in-hole assembly task, and to reduce the…

A novel optimal method of robotic weld assembly line balancing problems with changeover times: a case study

Binghai Zhou, Qiong Wu

The balancing of robotic weld assembly lines has a significant influence on achievable production efficiency. This paper aims to investigate the most suitable way to assign both…

An assembly sequence optimization oriented small world networks genetic algorithm and case study

Liping Zhao, Bohao Li, Hongren Chen, Yiyong Yao

The assembly sequence in the product assembly process has effect on the final product quality. To solve the assembly sequence optimization problem, such as rotor blade assembly…

Comprehensive identification of aircraft coordination feature based on complete importance modeling and its engineering application

Feiyan Guo, Fang Zou, Jian Hua Liu, Bo Zhao, Zhongqi Wang

Coordination feature (CF) is the information carrier in dimension and shape transfer process in aircraft manufacturing. The change of its geometric size, shape, position or other…

Positioning variation analysis and control for automated drilling in aircraft manufacturing

Biao Mei, Weidong Zhu, Yinglin Ke

Aircraft assembly demands high position accuracy of drilled fastener holes. Automated drilling is a key technology to fulfill the requirement. The purpose of the paper is to…

Mathematical models and simulated annealing algorithms for the robotic assembly line balancing problem

Zixiang Li, Mukund Nilakantan Janardhanan, Peter Nielsen, Qiuhua Tang

Robots are used in assembly lines because of their higher flexibility and lower costs. The purpose of this paper is to develop mathematical models and simulated annealing…

A coaxial alignment method for large aircraft component assembly using distributed monocular vision

Shuanggao Li, Zhengping Deng, Qi Zeng, Xiang Huang

The assembly of large component in out-field is an important part for the usage and maintenance of aircrafts, which is mostly manually accomplished at present, as the commonly…

Response surface approach to robust design of assembly cells through simulation

Cem Savas Aydin, Senim Ozgurler, Mehmet Bulent Durmusoglu, Mesut Ozgurler

This paper aims to present a multi-response robust design (RD) optimization approach for U-shaped assembly cells (ACs) with multi-functional walking-workers by using operational…

Neural network model reference decoupling control for single leg joint of hydraulic quadruped robot

Bingwei Gao, Wenlong Han

To control one of the joints during the actual movement of the hydraulically driven quadruped robot, all the other joints in the leg need to be locked. Once the joints are…

Reassembly classification selection method based on the Markov Chain

Maogen Ge, Jing Hu, Mingzhou Liu, Yuan Zhang

As the last link of product remanufacturing, reassembly process is of great importance in increasing the utilization of remanufactured parts as well as decreasing the production…

Coordinate transformation uncertainty analysis and reduction using hybrid reference system for aircraft assembly

Zhengping Deng, Shuanggao Li, Xiang Huang

In aircraft assembly, standard reference points with nominal coordinates are commonly applied for coordinate transformation between multiple measurement stations and the assembly…

Analysis and optimization of assembly precision-cost model based on 3D tolerance expression

Wei Sun, Xiaokai Mu, Qingchao Sun, Zhiyong Sun, Xiaobang Wang

This paper aims to comprehensively achieve the requirements of high assembly precision and low cost, a precision-cost model of assembly based on three-dimensional (3D) tolerance…

Balancing a mixed-model assembly line with unskilled temporary workers: algorithm and case study

Dongwook Kim, Dug Hee Moon, Ilkyeong Moon

The purpose of this paper is to present the process of balancing a mixed-model assembly line by incorporating unskilled temporary workers who enhance productivity. The authors…

An intelligent computation system for precise assembly of large laser optics

Hui Wang, Zheng Zhang, Zhao Xiong, Tianye Liu, Kai Long, Xusong Quan, Xiaodong Yuan

It is a huge technical and engineering challenge to realize the precise assembly of thousands of large optics in high power solid-state laser system. Using the 400-mm…