2 , using the advanced finite element analysis software - - - ansys to build the fea model of the total mechanism , building flexible model of the key part by ansys and adams , and analyzing the stress and strain of them 2 、利用有限元分析软件ansys建立了摆线针轮减速机整机构的fea模型,同时结合运用ansys和adams建立了摆线针轮减速机构的关键部件? ?针齿和摆线轮的柔性体模型,并进行了应力应变分析。
This article uses advanced cad / cae software - - - ug , adams and ansys to build the integrated system platform based on theory of dynamics of multibody system for the purpose of resolving the engineering problems of general retarder design , and analyses the performance of xw - 8175 - 11 planet - cycloid retarder 本论文针对行星齿轮减速机构设计中存在的问题并根据实际工程需要,在多体动力学理论基础上,利用cad cae软件ug 、 adams以及ansys构建了集成的系统平台,并在此基础上,对xw - 8175 -型摆线针轮减速机构进行了性能仿真。
It is necessary to establish a new system for steering performance evaluation of electric power steering . this paper analyzes the effect of electric power steering on the steering performance based on it s configuration feature and then the object evaluation of steering performance of electric power steering is studied . the new system of evaluation includes steering maneuvrability , steering returnability , once enter handling performance , steering wheel vibration , servomotion sensitivity and assist characteristic 电动助力转向是转向系统中较新的技术,在国内发展很快,关于其性能和可靠性检测还未有统一的方法及评价标准,本文研究的目的主要是对针对电动助力转向的结构特点,分析了电动助力转向对汽车转向性能的影响,提出从转向轻便性、转向回正性、转向盘中间位置区域性能、转向盘振动、随动灵敏度和助力特性等方面进行电动助力转向系统转向性能的客观评价,并探讨了相应的评价指标,以及对电动转向系统的电机减速机构及其控制器、传感器、提出相应的技术要求与试验方法。
Firstly , a math model of eps system is set up after analyzing ; secondly , pd controller and fuzzy neural net controller are used , a new integrated optimization method to optimize the structure parameters and the control parameters of the eps system was present . we bring forward two methods during simulation and test . one is the integrated optimization based on genetic algorithm for the eps system structure parameters and pd control parameters ; the other is the integrated optimization based on genetic algorithm for the eps system structure parameters and fuzzy neural net control parameters ; finally , the reduction gear of the eps system is designed 本文在电动助力转向系统的研究过程中,首先,通过对eps系统的动力学分析,建立了eps系统的数学模型:然后,对eps系统实施pd和模糊神经网络的控制,进行仿真研究,提出对电动助力转向系统机械结构参数和控制结构参数进行集成优化的思想,分别采用遗传算法对eps系统结构和pd控制参数进行集成优化和遗传方法对eps系统结构和模糊神经网络控制参数进行集成优化:最后,根据优化得到的机械参数,设计了一套eps系统的减速机构。
This article studies the following aspects : 1 , using the general mechanical system simulation software - - - adams to build the virtual prototype of planet - cycloid retarder , performing kinematic and dynamic simulation , analyzing the transmission ratio , transmission error and intervention of the mechanism , and outpurting load of the key pan 本论文完成的主要工作包括: 1 、利用机械系统仿真软件adams建立了摆线针轮减速机构的虚拟样机模型,通过对其进行运动学及动力学仿真,分析了模型的传动比、传动误差及干涉情况,并输出了关键机构的载荷时间历程。