Robotics and Computer-Integrated Manufacturing

• A multi-objective approach for fixture synthesis in a point-set domain.
• ...

In machining, the synthesis of a fixturing schema significantly impacts the accuracy of the final product. Moreover, A robust and automatic configuration of fixture elements can reduce production costs and eliminate the need for expert ...

• A multisensor fusion-based digital twin (MFDT) was developed for localized quality prediction in the robotic laser-direct energy deposition (L-DED).

Early detection of defects, such as keyhole pores and cracks is crucial in laser-directed energy deposition (L-DED) additive manufacturing (AM) to prevent build failures. However, the complex melt pool behaviour cannot be adequately ...

Display Omitted

• Bionic digital brain as the core of the digital twin-cutting process framework is proposed.

A digital twin (DT) is an effective means of achieving physical and information fusion and has great potential for achieving a new paradigm of cutting process (CP) intelligence. This paper traces the relevant studies of digital ...

• A spatial mapping method is proposed to unify constraint space, planning space and solution space.

In noncontact machining, such as welding and spraying, running efficiency and smoothness have been a bottleneck problem in trajectory optimisation of industrial robots. When the dynamic and mechanical properties of robots are fully ...

• An improved genetic algorithm based on multi-layer encoding is proposed to solve the integrated process planning and scheduling (IPPS) problem.

Integrated process planning and scheduling (IPPS) is of great significance for modern manufacturing enterprises to achieve high efficiency in manufacturing and maximize resource utilization. In this paper, the integration strategy and ...

• An active evaluating mechanism is established to characterize the change of error level by the change of pose coordinates, as well as to actively verify, ...

Industrial robots have been extensively used in industry, however, geometric errors mainly caused by connecting rod parameter error and non-geometric errors caused by deflection and friction, etc., limit its application in high-...

• A meta-model-based Shop-floor digital twin (SDT) construction approach and comprehensive architecture are proposed.

Digital twin is regarded as the virtual counterpart of physical entities, which can mirror the physical behavior and performance. Digital twin technology provides strong support for the achievement of cyber-physical system and ...

This paper proposes a framework for industrial and collaborative robot programming based on the integration of hand gestures and poses. The framework allows operators to control the robot via both End-Effector (EE) and joint movements ...

• Cognitive psychology-based hand gesture design reduces operators’ reaction time.

• An end-to-end grasp stability evaluation network that uses local visual and tactile inputs is proposed.

Humans can instinctively predict whether a given grasp will be successful through visual and rich haptic feedback. Towards the next generation of smart robotic manufacturing, robots must be equipped with similar capabilities to cope ...

• The MSCM-SC model is firstly proposed for SC of aviation manufacturing.
• The ...

Manufacturing of aviation equipment is characterized by long R&D cycles, multi-agent collaborations, and high technical difficulties. At present, the main manufacturer-suppliers (M-S) mode is mainly used for the supplier cooperative ...

• The main contributions of this paper are as follows:.
• ...

Robotic welding is gradually advancing towards intelligent integrated welding with integration of different seam types. In this process, the initial point positioning of weld seams is a foremost technique for ensuring a smooth ...

• A method for object-oriented Functional Components (FC)construction was suggested. The standardization and modularization of FC were achieved by ...

The modeling process is resource-intensive, time-consuming, and expensive due to the large number and variety of production and auxiliary equipment in discrete manufacturing plants. The popular twin-model construction method based on a ...

Additive manufacturing (AM) technology has achieved universal application in a great number of fields, such as aerospace, medicine, and military industry. As a significant factor causing weak mechanical properties and part flaws, ...

• An optimization-based non-equidistant toolpath for 3D printing under theoretical proof.

There has been a leap in the field of smart manufacturing with the advancement of automation systems, robotic technology, big data analytics, and state-of-the-art Artificial Intelligence (AI) and Machine Learning (ML) algorithms. Three ...

• Production, maintenance, and quality need to be controlled simultaneously.
• ...

• Worker fatigue and skill levels are considered in the modeling of hybrid flow shop.

In real-life manufacturing systems, production management is often affected by urgent demands and unexpected interruptions, such as new job insertions, machine breakdowns and operator unavailability. In this context, agent-based ...

• A novel physical prototype of the 6-DOF RFB system was designed and established.

This study proposed a new design, analytical algorithms, and control of a novel 6-DOF robot flexible bending (RFB) system to manufacture bending components with complex spatial structures. First, a novel 6-DOF RFB system was designed ...

Display Omitted

• The original robot is divided into three sub-robots through kinematics decomposition.

Calibration of the serial industrial robot with large workspace usually requires a time-consuming measurement task due to the exponential growth of measurement configurations with respect to degrees of freedom (DOFs). To improve ...

In the era of Industry 4.0, Production Logistic Digital Twins (PLDTs) have garnered remarkable attention from both academic and industrial communities. This is evident from the growing number of research publications on PLDTs in ...

This paper presents a literature review on the different aspects of task allocation and assignment problems in human–robot collaboration (HRC) tasks in industrial assembly environments. In future advanced industrial environments, ...