一个具有六度自由度的连续机器人的结构优化设计,具有集成的拓和维度参数
Jiguang Jia1,2, Xuan Sun1,2
1College of Mechanic and Control Engineering, Guilin University of Technology, Guilin 541004, China.
Sensors (Basel, Switzerland)
|August 26, 2023
概括
本研究介绍了一种用于连续机器人结构设计的新型综合优化方法,成功地将质量减少15%,同时保持刚性并尽量减少工业应用的变形.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 机械工程 机械工程
- 结构优化 结构优化
背景情况:
- 传统的串行机器人设计将拓和维度参数优化分开,阻碍了同步设计.
- 这种独立性在实现最佳结构性表现方面带来了挑战.
研究的目的:
- 为串行机器人提出拓与维度参数集成优化方法 (TPOM).
- 为了实现结构拓和维度特征的同步优化.
主要方法:
- 使用边缘检测和结构可制造性重建的拓布局提取.
- 在3D软件 (SOLIDWORKS2021) 中设置关键变量,并使用响应表面方法来构建元模型.
- 使用多目标遗传算法 (MOGA) 来优化关键变量和结构变形分析.
主要成果:
- 通过TPOM方法,结构质量减少了15%.
- 优化的结构保持了它的刚性.
- 结构变形减少到不到0.352毫米,满足工业要求.
结论:
- 拟议的TPOM方法有效地整合了串行机器人的拓和维度参数设计.
- 该方法在优化结构质量和刚度方面证明了可行性和优越性.
- 优化的设计适用于需要高性能和最小变形的工业应用.
相关概念视频
One-Degree-of-Freedom System
517
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
517
Three-Dimensional Force System:Problem Solving
693
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
693
Design of Transmission Shafts
371
The design of a transmission shaft is governed by two primary specifications: the power it transmits and its rotational speed. These parameters guide the selection of the shaft's material and cross-sectional dimensions, ensuring that the material's maximum shearing stress remains within the elastic limit while transmitting the desired power at the given speed. The system's power is intrinsically linked to the applied torque. The torque applied to the shaft can be calculated by...
371
Machines: Problem Solving II
335
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
335
Two-Dimensional Force System: Problem Solving
613
Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
613
Simplification of a Force and Couple System: II
301
In a three-dimensional system, multiple forces can act on an object. These forces can be combined into a single equivalent force, known as the resultant force. Similarly, the moments generated by these forces can be combined into a single equivalent moment, the resultant couple moment. In certain situations, these two entities may not be mutually perpendicular, meaning they do not have a 90-degree angle between them. This unique condition requires a deeper understanding of the interplay between...
301


