自然坐标系 meaning in English
natural system of coordinates
Examples
- A dynamics model for complete vehicle is set up in natural coordinates , and a simulation on speed changing and steering of a 4wd electric vehicle with motor - in - wheel drive is conducted
摘要采用自然坐标系下的整车动力学模型，模拟变速或转向过程中可能存在的变化情况，进行了四电动轮独立驱动的电动汽车仿真。 - Based on the duncan - chang e - b model , which can simulate earth - rock dam ' s non - linear mechanics behavior well , the paper introduced the nature coordinate system to the stress space . in this way , hydrostatic stress and stress deviator were decomposed each other . therefore , a partial derivative formulation about displacement and parameter in finite element evaluation was derived in a closed form
论文以能较好模拟土石坝非线性力学行为的duncan - change - b模型为基础，通过引入应力空间下的自然坐标系，分解应力球量与应力偏量，从而导出一个在有限元计算中，位移对参数偏导数的闭合形式公式。 - An error compensation modal of non - orthogonal coordinate measuring system is built in this paper , in which completely new thought is taken out : using the natural coordinate system combined with the spherical coordinate system to analyze the errors of non - orthogonal coordinates measuring system , in the result , it makes things simpler and not only find out the number of errors and the factors resulted in the errors , but also build the error compensation formula completely , which perfects the study of non - orthogonal coordinate measuring system " s errors
本文建立了非正交坐标系机械系统的误差补偿模型，提出了一种新的建模思想：在使用球坐标系的同时，巧妙结合自然坐标系。从而大大简化了问题的难度，不仅正确地分析出非正交坐标系机械系统的误差项数、各误差项的来源，还成功地建立了误差补偿公式，完善了对于非正交坐标系机械系统误差的研究。