机器人单元设计元素的拓扑优化

S. Anciferov, A. Karachevceva, E. Sychyov, A. Litvishko
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引用次数: 0

摘要

本文介绍了拓扑优化技术。文章还介绍了拓扑优化的主要方法:ESO/BESO;SIMP方法;ESO-Simp方法;Level-Set方法。每种方法都有其优点,但也有共同的缺点,即:"棋盘 "问题和对网格划分的依赖性。拓扑优化可以减轻产品重量,同时保持强度特性。根据优化后得到的产品,考虑了其生产技术。这些技术包括传统技术(铸造、冲压、铣削等)和增材制造技术。对具有拓扑优化功能的软件进行了介绍和说明。这些软件主要是商业 CAD/CAE 系统(OptiStruct、Simulia Tosca、ANSYS 和 MSC Nastran)。使用拓扑优化方法的主要行业有航空航天工业、机械工程、医学、机器人技术等。在本文中,我们考虑使用 SIMP(各向同性固体材料与惩罚)方法减轻机器人细胞手推车的重量,并在其上安装机械臂。西门子 PLM 软件公司的 CAD/CAM/CAE 系统 NX 的功能被用于机器人细胞小车的拓扑优化。得出的概括性结论是,拓扑优化可以在保证强度和刚度的同时,获得质量最小的产品几何形状。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
TOPOLOGICAL OPTIMIZATION OF DESIGN ELEMENTS OF A ROBOTIC CELL
The presented article describes the technology of topological optimization. The main methods of topological optimization are also described: ESO/BESO; SIMP-method; ESO-Simp-method; Level-Set-method. Each of the methods has its advantages, but they have common disadvantages, namely: the problem of the "chessboard" and the dependence on grid partitioning. Topological optimization allows you to reduce the weight of the product, while maintaining the strength characteristics. Based on the product obtained after optimization, its production technologies were considered. These include traditional technologies (casting, stamping, milling, etc.) and additive manufacturing technologies. Software with topological optimization functionality was presented and described. These are mainly commercial CAD/CAE systems (OptiStruct, Simulia Tosca, ANSYS and MSC Nastran). The main industries that use the method of topological optimization are the aerospace industry, mechanical engineering, medicine, robotics and others. In this paper, we consider the process of reducing the weight of a robotic cell trolley using the SIMP (Solid Isotropic Material with Penalization) method, on which a robotic arm is attached. The functionality of the CAD/CAM/CAE-system NX from Siemens PLM Software was used for the topological optimization of the robotic cell trolley. Generalizing conclusions are made that topological optimization makes it possible to obtain geometric shapes of a product with a minimum mass while maintaining strength and rigidity.
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