Automatic routing of flexible 1D components with functional and manufacturing constraints

Hermansson, Tomas; Bohlin, Robert; Carlson, Johan S.; Söderberg, Rikard

doi:10.1016/j.cad.2016.05.018

Cited by 27 publications

(7 citation statements)

References 28 publications

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“…Tang et al modeled guide wires in virtual surgery simulations 31 . Hermansson et al simulated cable geometry based on the Cosserat theory 32 . This modeling method can consider torsion and has good accuracy.…”

Section: Related Workmentioning

confidence: 99%

Physical modeling and geometric shape simulation for one-dimensional flexible objects with cylindrical surface constraints

Mei

Jiang

et al. 2023

Sci Rep

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This study develops forces equilibrium differential equations for the geometric modeling of 1D flexible objects with surface constraints. These second-order equations are an extension of the Cosserat elastic rod theory and include both bending and torsion. Variables were established for the centerline and attitude in the Cartesian coordinate system of the cross section. This paper specifically investigates the case of a 1D flexible object constrained by a cylindrical surface. To solve this problem, a novel hybrid semi-analytical numerical method is proposed. In this process, a Hamiltonian function and an initial integral operator are introduced in a cylindrical coordinate system. The analytical solution, decoupled in polar coordinates, is then derived. The improved finite difference method was then used to obtain three cylindrical coordinates, which ensured numerical stability and efficiency. The results of a geometric shape simulation with differing boundary conditions demonstrate that this proposed method is capable of real-time modeling. As such, this technique could be a promising new tool for use in graphics simulations of elongated structures, such as DNA molecules, drill pipes, and submarine cables.

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Section: Related Workmentioning

confidence: 99%

Physical modeling and geometric shape simulation for one-dimensional flexible objects with cylindrical surface constraints

Mei

Jiang

et al. 2023

Sci Rep

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“…Many various methods and algorithms have been developed and applied for solving various types of pipe, wire and hose routing for example evolutionary algorithms such as MOEA/D, a variant of multi-objective evolutionary algorithm developed by Li and Zhang (2006), applied on branch pipe routing (Liu and Liu, 2018) and ACO applied on multiple pipe and hose routing (Thantulage, 2009;Qu et al, 2018) and with constrained sampling (Kabul et al, 2007) but with limitations due to computational cost. Hermansson et al (2016) developed a path planning twostep method for deformable objects where the optimal collision free path is found first, followed by a locally optimized simulation to ensure static equilibrium of the object. A common strategy for routing hoses today in industry is to define the initial problem by setting up the conceptual assembly of the hoses in a CAD environment.…”

Section: Path Planning and Hose Routingmentioning

confidence: 99%

Multi-Objective Optimization of Hose Assembly Routing for Vehicles

Wehlin

Persson

Ölvander

2020

Proc. Des. Soc.: Des. Conf.

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This paper presents a method for multi-objective optimization of hose assembly routing. Hose routing is a non-trivial task which demand a lot of iterations, especially with the increased complexity in modern vehicles. The proposed method utilizes design automation through multi-objective optimization of routing assemblies containing multiple hoses. The method is intended as a decision support and automation-tool, that reduces the number of iterations needed. The method has been implemented and tested on a case, concerning a set of hoses in an engine compartment, showing credible results.

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“…Kobayashi et al (2014) proposed an automotive wiring system using a genetic algorithm; the problem of wiring was divided into the generation of a wire harness configuration and a cable path. Hermansson et al (2016) presented a dynamic method for automatic path planning of a single cable. Considering contact constraints and the installation space, computational efficiency and reliability of physical simulation could be guaranteed; however, automatic route planning for multiple cables remains to be verified.…”

Section: Path Planningmentioning

confidence: 99%

A review: virtual assembly of flexible cables based on physical modeling

Xiong

Wang

et al. 2019

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Purpose Cables are widely used, and they play a key role in complex electromechanical products such as vehicles, ships, aircraft and satellites. Cable design and assembly significantly impact the development cycle and assembly quality, which is be-coming a key element affecting the function of a product. However, there are various kinds of cables, with complex geo-metric configurations and a narrow assembly space, which can easily result in improper or missed assembly, an unreasonable layout or interference. Traditional serial design methods are inefficient and costly, and they cannot predict problems in installation and use. Based on physical modeling, computer-aided cable design and assembly can effectively solve these problems. This paper aims to address virtual assembly (VA) of flexible cables based on physical modeling. Design/methodology/approach Much research has focused recently on virtual design and assembly-process planning for cables. This paper systematically reviews the research progress and the current state of mechanical models, virtual design, assembly-process planning, collision detection and geometric configuration and proposes areas for further research. Findings In the first instance, the main research groups and typical systems are investigated, followed by extensive exploration of the major research issues. The latter can be reviewed from five perspectives: the current state of mechanical models, virtual design, assembly-process planning, collision detection and geometric configuration. Finally, the barriers that prevent successful application of VA are also discussed, and the future research directions are summarized. Originality/value This paper presents a comprehensive survey of the topics of VA of flexible cables based on physical modeling and investigates some new ideas and recent advances in the area.

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Automatic routing of flexible 1D components with functional and manufacturing constraints

Cited by 27 publications

References 28 publications

Physical modeling and geometric shape simulation for one-dimensional flexible objects with cylindrical surface constraints

Physical modeling and geometric shape simulation for one-dimensional flexible objects with cylindrical surface constraints

Multi-Objective Optimization of Hose Assembly Routing for Vehicles

A review: virtual assembly of flexible cables based on physical modeling

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