design for experiment meaning in English
实验性设计
实验用设计
Examples
- In order to sure the homogeneity of the testing , the paper uses the way of homogeneity design and uses the theory of the uniform designs for experiments with mixtures ( udem ) , restricted uniform designs for experiments with mixtures ( rudem ) and method of fitting level to optimize the testing
为保证试验的均匀性，通过均匀试验安排试验水平，运用配方均匀设计理论、有约束的配方均匀设计理论和拟水平法进行试验优化。 - Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development , the dissertation put great emphasis on the work as follows , with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing , which is an adaptive closed - loop flux observer and different from the traditions . a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation , we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control . an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus , sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
针对上面提到的直接转矩控制的缺陷和未来直接转矩控制技术发展方向，本论文重点做了以下几个方面的工作，目的在于提高dtc系统的综合性能： ( 1 )提出一种新型的速度磁链观测器，新型的速度磁链观测器采用自适应闭环磁链观测器代替传统的积分器从而提高磁链观测的精度，并且根据popov超稳定性理论推导出转速的新型自适应收敛律； ( 2 )改善系统的低速运行性能，主要从提高低速时对定子磁链的估计精度入手，提出了一种提高定子磁链观测精度的新思路? ?利用基于bp网络增广pidbp学习算法来实时在线地修正定子电阻参数； ( 3 )采用数字信号处理器dsp实现系统全数字化硬件控制，结合ti公司生产的tms320lf2407芯片，设计了直接转矩控制系统的实验装置； ( 4 )提出了基于sercos总线网络化分布式的直接转矩控制系统， sercos ( serialrealtimecommunicationsystem )是目前最适合同步和协调控制的串行实时通信协议； ( 5 )基本勾勒出整个控制系统的硬件和软件设计基本框架，详细描述一些实验中的具体的细节问题。 - The theoretic researches emphasize on working mechanism , ability of sealing fluid , influential factors of the helical axial seal and the optimal design of the seal ' s structural parameters has been performed . based on the design for experiment of the helical axial seal in the laboratory , the working mechanism and the optimal results for the structural parameters of the helical axial have been verified , and then it is applied into the reforming of the equipments in the jinxi petrochemical complex where the author works
对螺旋密封的工作原理、封液能力、影响因素等进行了理论研究，对螺旋密封的结构参数进行了优化设计，并设计了螺旋密封台架对螺旋密封理论和螺旋密封结构参数优化结果进行试验验证，进而把螺旋密封应用于作者所在的锦西炼油化工总厂的设备改造上，取得了一定的经济效益和社会效益。