...Zengxin Kang; Jing Cui; Yijie Wang; Zhikai Hu; Zhongyi Chu Purpose Current flexible printed circuit (FPC) assembly relies heavily on manual labor, limiting capacity and increasing costs. Small FPC size makes automation challenging as terminals can be visually occluded. The purpose of this study...

...Zengxin Kang; Jing Cui; Zhongyi Chu Purpose Accurate segmentation of artificial assembly action is the basis of autonomous industrial assembly robots. This paper aims to study the precise segmentation method of manual assembly action. Design/methodology/approach In this paper, a temporal...

...Lulu Huang; Xiang Huang; Shuanggao Li Purpose Large size of aircraft assembly tooling structure and complex measurement environment exist. The laid enhanced reference points (ERS) are subject to a combination of nonuniform temperature fields and measurement errors, resulting in increased...

...Runqing Miao; Qingxuan Jia; Fuchun Sun Purpose Autonomous robots must be able to understand long-term manipulation tasks described by humans and perform task analysis and planning based on the current environment in a variety of scenes, such as daily manipulation and industrial assembly. However...

...Zesheng Wang; Dongbo Wu; Hui Wang; Jiawei Liang; Jingguang Peng Purpose Assembly errors of aeroengine rotor must be controlled to improve the aeroengine efficiency. However, current method cannot truly reflect assembly errors of the rotor in working state owing to difficulties in error analysis...

... Publishing Limited 2022 Emerald Publishing Limited Licensed re-use rights only Object pose estimation Pose optimization Contact simulation Automatic assembly Assembly Object manipulation is a fundamental task for robot manipulators. According to whether there is physical contact, it can...

...Chuanyuan Zhou; Zhenyu Liu; Chan Qiu; Jianrong Tan Purpose The purpose of this paper is to propose a novel mathematical model to present the three-dimensional tolerance of a discrete surface and to carry out an approach to analyze the tolerance of an assembly with a discrete surface structure...

... and superiority of the proposed method in that it can reduce the sample size, diminish the computations, predict wider tolerance ranges and improve the accuracy of three-dimensional tolerance of precision assembly simultaneously. Research limitations/implications The proposed method may be applied only when...

...Boyoung Kim; Minyong Choi; Seung-Woo Son; Deokwon Yun; Sukjune Yoon Purpose Many manufacturing sites require precision assembly. Particularly, similar to cell phones, assembly at the sub-mm scale is not easy, even for humans. In addition, the system should assemble each part with adequate force...

...Nailong Liu; Xiaodong Zhou; Zhaoming Liu; Hongwei Wang; Long Cui Purpose This paper aims to enable the robot to obtain human-like compliant manipulation skills for the peg-in-hole (PiH) assembly task by learning from demonstration. Design/methodology/approach A modified dynamic movement...

...Marco Bortolini; Maurizio Faccio; Mauro Gamberi; Francesco Pilati Purpose The kitting feeding policy creates kits with the parts of each product to assemble. Each kit contains elements with heterogeneous physical properties imposing heterogeneous logistic facilities and management solutions...

...Anil Kumar Gulivindala; M.V.A. Raju Bahubalendruni; S.S. Vara Prasad Varupala; Sankaranarayanasamy K. Purpose Parallel assembly sequence planning (PASP) reduces the overall assembly effort and time at the product development stage. Methodological difficulties at framework development...

... constraints. Originality/value In this paper, a dynamic model of PAS without internal force is constructed. The trajectory planning of posture adjustment based on this model can improve the quality of cabin assembly. The bracket coordinate system (BCS) Ob-xyz and the cabin coordinate system...

...Marco Bortolini; Maurizio Faccio; Francesco Gabriele Galizia; Mauro Gamberi; Francesco Pilati Purpose Industry 4.0 emerged as the Fourth Industrial Revolution aiming at achieving higher levels of operational efficiency, productivity and automation. In this context, manual assembly systems...

...Yanjiang Huang; Yanglong Zheng; Nianfeng Wang; Jun Ota; Xianmin Zhang Purpose The paper aims to propose an assembly scheme based on master–slave coordination for a compliant dual-arm robot to complete a peg-in-hole assembly task. Design/methodology/approach The proposed assembly scheme...

...Parviz Fattahi; Naeeme Bagheri Rad; Fatemeh Daneshamooz; Samad Ahmadi Purpose The purpose of this paper is to present a mathematical model and a new hybrid algorithm for flexible job shop scheduling problem with assembly operations. In this problem, each product is produced by assembling a set...

...Nan Zhang; Zhenyu Liu; Chan Qiu; Weifei Hu; Jianrong Tan Purpose Assembly sequence planning (ASP) plays a vital role in assembly process because it directly influences the feasibility, cost and time of the assembly process. The purpose of this study is to solve ASP problem more efficiently than...

...Anoop Desai Purpose This paper aims to present a design methodology to enable product design for ease of assembly. It is corroborated by means of a case study. The methodology is based on standard time data. This enables quick computation of assembly time as well as comparing different design...

...Kaijun Cai; Weiming Zhang; Wenzhuo Chen; Hongfei Zhao Purpose Based on virtual maintenance, this paper aims to propose a time prediction method of assembly and disassembly (A&D) actions of product maintenance process to enhance existing methods’ prediction accuracy, applicability...

... experiments, including experiments with different clamping forces, sequences and different clamping positions. It will help to systematically improve the compliant assembling efficiency in civil aircraft industry. Figure 1 The edge and the horizontal stabilizer Figure 6 Final deformation...