The EMMS Principle in Virtual Process Engineering

2014 ◽  
pp. 45-49
Author(s):  
Jinghai Li ◽  
Wenlai Huang
Keyword(s):  
Process Engineering ◽  
Virtual Process

Generic Modular Operations for Virtual Manufacturing Process Engineering

1997 ◽  
Author(s):  
David E. Lee ◽  
H. Thomas Hahn
Keyword(s):  
Manufacturing Process ◽  
Process Development ◽  
Process Engineering ◽  
Virtual Manufacturing ◽  
Control Approach ◽  
Computational Costs ◽  
Direct Mechanism ◽  
Novel Approach ◽  
Operation Control ◽  
Virtual Process

Abstract In order to address the computational costs of modeling and analyzing manufacturing processes, a novel approach to virtual manufacturing process engineering using generic modular operations is presented. Relying on a state based representation of operation control for a simplified virtual manufacturing workcell, the valid states for each sequence of generic modular operations are aggregated and both operation state and processing constraints applied to specify the subtasks required to complete each step in a product’s process plan. By adopting this state based control approach, virtual process engineering provides a direct mechanism to map virtual process representations onto actualized processes. Using these generic modular operations and their temporal and processing dependencies, the computationally complex elements of virtual manufacturing process simulation can be directly identified and an architecture for virtual process development specified. Examples from both machining and assembly processes are provided.

Perspectives: Meso-Science and Virtual Process Engineering

2013 ◽  
pp. 461-476 ◽  
Author(s):  
Jinghai Li ◽  
Wei Ge ◽  
Wei Wang ◽  
Ning Yang ◽  
Xinhua Liu ◽  
...  
Keyword(s):  
Process Engineering ◽  
Virtual Process

Mesoscience-based virtual process engineering

2019 ◽  
Vol 126 ◽  
pp. 68-82 ◽  
Author(s):  
Wei Ge ◽  
Li Guo ◽  
Xinhua Liu ◽  
Fanyong Meng ◽  
Ji Xu ◽  
...  
Keyword(s):  
Process Engineering ◽  
Virtual Process

From Multiscale to Mesoscience: Addressing Mesoscales in Mesoregimes of Different Levels

2018 ◽  
Vol 9 (1) ◽  
pp. 41-60 ◽  
Author(s):  
Jinghai Li ◽  
Wenlai Huang
Keyword(s):  
Case Studies ◽  
General Principle ◽  
Energy Minimization ◽  
Chemical Engineering ◽  
Process Engineering ◽  
Different Levels ◽  
Virtual Process

This review covers three decades of research on mesoscale phenomena in chemical engineering, from the energy minimization multiscale (EMMS) model specific for gas–solid fluidization to a general principle of compromise in competition between dominant mechanisms, leading to the proposed concept of mesoscience. First, the concept of mesoscales is reviewed with respect to their commonality, diversity, and misunderstanding in different fields. Then, the evolution from the EMMS model to the EMMS principle common to all mesoscales is described to show the rationale of mesoscience referring to both mesoscales and mesoregimes. Finally, the potential universality of mesoscience and its importance, particularly to enable virtual process engineering (VPE) by realizing the consistency of logic and structure between the problem, the model, the software, and the computer, are discussed. The review concludes by illustrating possible case studies to collect more evidence and a potential framework for mesoscience.

Meso-scale oriented simulation towards virtual process engineering (VPE)—The EMMS Paradigm

2011 ◽  
Vol 66 (19) ◽  
pp. 4426-4458 ◽  
Author(s):  
Wei Ge ◽  
Wei Wang ◽  
Ning Yang ◽  
Jinghai Li ◽  
Mooson Kwauk ◽  
...  
Keyword(s):  
Process Engineering ◽  
Meso Scale ◽  
Virtual Process
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