Robotic Multi-dimensional Printing Based on Structural Performance

Yuan, Philip F.; Meng, Hao; Lei, Yu; Zhang, Liming

doi:10.1007/978-3-319-26378-6_7

Cited by 16 publications

(10 citation statements)

References 4 publications

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“…As such, this workshop demonstrated that the third stage of the workflow (development of the end tool) is equally a critical part of the platform and greatly effects the efficiency of the entire system. Compared with the traditional fused deposition 3D printing (FDM), spatial 3D printing has several advantages [47,48]. Firstly, while ensuring the strength of the structure, spatial 3D printing can build components of similar volume in less time and with less material.…”

Section: Robotic 3d Spatial Printingmentioning

confidence: 99%

A Didactic Pedagogical Approach toward Sustainable Architectural Education through Robotic Tectonics

Shi

Fang

Chen³

et al. 2020

Sustainability

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Robotic tectonics have been integrated into the architectural profession through automated construction for more than a decade, advancing sustainability initiatives in the industry and increasing the quality of building construction. Over the years, avant-garde architects have explored the feasibility of this new design paradigm through the integration of newly-developed digital design software into automated construction. This robotic digital workflow continues to push designers to re-think the complete architecture process (from design conception to physical construction) and guides the building industry towards more precise, efficient, and sustainable development. However, in the current environment of architectural education, professional courses can be fragmented, thematic, and overly academic. Such content is not inherently compatible with the latest technological developments. The lack of understanding and application of digital technological can subsequently lead to the lack of sustainable development in architectural education. In this paper, we aim to introduce a new didactic pedagogical approach that is reliant on the principles of robotic tectonics and is defined through linear development in four distinct, developmental stages (based on information gleaned from four “Robotic Tectonics” workshops and various other rich teaching practices). This pedagogical framework provides interdisciplinary knowledge to architecture students and enables them to use advanced digital tools such as robots for automated construction, laying the groundwork for the discovery of new and complex building processes that will redefine architecture in the near future.

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Section: Robotic 3d Spatial Printingmentioning

confidence: 99%

A Didactic Pedagogical Approach toward Sustainable Architectural Education through Robotic Tectonics

Shi

Fang

Chen³

et al. 2020

Sustainability

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show abstract

“…Some projects are inspired by bio mimicry to create audacious structures. Researchers from the Tongji University, China, used a 6-axis Kuka robot to overcome gravity and overhang limits by creating a structure inspired by spider web [16]. The principle is as follows: around the freeform main curve are attached three wavy auxiliary curves, distant from an angle of 120 degrees.…”

Section: Robotized Fff Fields Of Applicationsmentioning

confidence: 99%

A generic method to realize long fibers filled and large polymer parts in additive manufacturing

Hascoët

Authelin

Rauch

2020

Journal of Machine Engineering

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A general manufacturing methodology for long fibers filled and large polymer (LFFLP) parts will be proposed, which constitutes the major scientific contribution of the document. The input, output, control and analysis data at each step of the methodology will be specified. Experiments realized in the laboratory of Ecole Centrale de Nantes will demonstrate the relevance and effectiveness of this method applied to a 6-axis robot and the FFF process by showcasing two light and resistant lattice structures. The latter also highlight the capacity of 6-axis robots for orienting the deposition head in order to generate complex trajectories. Finally, perspectives and future research about this subject will be discussed such as the need to develop in-depth analyses of the manufacturing methodology. The possibility of using continuous fibres composites as material feedstock for robotized large dimensions FFF will also be covered.

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“…In recent years, this idea has been presented as an alternative to layer-based additive manufacturing for discrete spatial trusses, with advantages both in terms of mechanical properties [69] and speed of construction [48] [24][44] [3]. However, the flexibility of the industrial robots has mostly been deployed to facilitate complexity in shape (as opposed to topologies): morphed grids with repetitive zig-zag topologies have been shown to be useful both for formal variation [27] [73][64] [3] or structural efficiency [69]. In many among this line of work, the industrial robot follows a manually assigned zig-zag end effector path, with limited variation in the end effector's direction.…”

Section: Architectural Robotic Extrusionmentioning

confidence: 99%

Automated sequence and motion planning for robotic spatial extrusion of 3D trusses

2018

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While robotic spatial extrusion has demonstrated a new and efficient means to fabricate 3D truss structures in architectural scale, a major challenge remains in automatically planning extrusion sequence and robotic motion for trusses with unconstrained topologies. This paper presents the first attempt in the field to rigorously formulate the extrusion sequence and motion planning (SAMP) problem, using a CSP encoding. Furthermore, this research proposes a new hierarchical planning framework to solve the extrusion SAMP problems that usually have a long planning horizon and 3D configuration complexity. By decoupling sequence and motion planning, the planning framework is able to efficiently solve the extrusion sequence, end-effector poses, joint configurations, and transition trajectories for spatial trusses with nonstandard topologies. This paper also presents the first detailed computation data to reveal the runtime bottleneck on solving SAMP problems, which provides insight and comparing baseline for future algorithmic development. Together with the algorithmic results, this paper also presents an open-source and modularized software implementation called Choreo that is machine-agnostic. To demonstrate the power of this algorithmic framework, three case studies, including real fabrication and simulation results, are presented.

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Robotic Multi-dimensional Printing Based on Structural Performance

Cited by 16 publications

References 4 publications

A Didactic Pedagogical Approach toward Sustainable Architectural Education through Robotic Tectonics

A Didactic Pedagogical Approach toward Sustainable Architectural Education through Robotic Tectonics

A generic method to realize long fibers filled and large polymer parts in additive manufacturing

Automated sequence and motion planning for robotic spatial extrusion of 3D trusses

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