In designing ship course ' s fuzzy control system , a kind of self - tuning scaling factors based on system ' s course error ( e ) and change in error ( ec ) is present t o realize ship course ' s adaptive fuzzy control 本文在进行船舶操纵运动模糊控制系统设计中，为使系统工作平稳，研究了一种根据系统工作过程中的偏差和偏差变化率自动校正比例因子的算法，以实现船舶航向自适应控制。
Long focus object lens of three color achromatic aberration is one of two posers of optical design , using this method can get a perfect result . compared with pw method , the first results received from the wave - deviation method are more accurate and more rapid 使用此数学模型编的光学自动设计程序，也可以说是光学镜头设计的一种新方法，即实现自动选玻璃，求解初始结构(曲率半径r ，厚度d等)和自动校正像差和优化系统等。
Abstract : this paper proposes an self - adaptive speed - accommodating control circuit , which can get the speed - error , and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed 文摘:文章介绍了通过自比较来检测录音机主导轴单相永磁交流测速发电机反馈信号的频率变化，从而获得速度误差，并自动校正转速的一种自适应速度调节控制电路。
Besides simple structure and easy implement for real - time applications , the proposed methods also possesses features such as versatility , stability , and effectiveness . in addition , they can be joined in to existent servo systems easily in order to improve the dynamic performance of systems 这两种控制器增益的自动校正方法除结构简单、容易实现外，还具有实用性、稳定性和有效性等特点，而且能较为容易的加入到现有的伺服系统当中，从而达到改善系统动态性能的目的。
Simulations for these two conditions prove validity of theoretical analysis . on the basis of this scheme , a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given . it introduces the closed - loop of stator excitation current to the system , which increases two adjustment channels : speed and excitation adjustment 经理论分析可知，该方案中，由于转子电流与磁链无法实现完全解耦，故仅在亚同步工况下有效，在超同步时则会因为调速系统不能自动校正转子磁链幅值变化引起的横向电流而使系统失去控制，无法达到稳定状态。
One dimension river flow roughness parameter inverse analysis kalman filter is introduced into the model to solve stochastic error in observed data . applying kalman filter automatism revising system , dynamic roughness course is obtained . using dynamic roughness course the model result precision is improved , it is more consistent with observed data 对于一维河道糙率参数反分析，针对观测资料存在的随机误差，引进卡尔曼滤波器的自动校正系统，求解出河道糙率变化的动态过程，使用动态糙率计算，明显改善模型的模拟精度，使模拟过程和观测过程很好吻合。
The essential idea of self - tuning controllers described in this essay is as follows : according to the system dynamics to step variation , to define a performance index to evaluate the system response ; based on the monotonous relationship between the performance index and an intermediate pi gain parameter , this latter parameter is estimated with tuning approach in order to improve the performance index ; finally , pi gains are calculated and renewed according to the estimated intermediate , in order to improve the performance of system 本文所阐述的控制器增益自动校正理论的基本思想如下：按照系统对阶跃信号变化的动态性能确定性能指标来估计系统的响应；基于性能指标和pi控制器增益参数中间值之间的单调关系，为提高性能指标，应用调节方法来估算pi增益参数中间值；最后按照估计的增益参数中间值更新pi控制器的增益以便改善系统的性能。
The image probably occurs color distortion that is influenced by optical equipment . in this paper , the hvs color invariance characters is construed , an complexion rectify algorithm based that is proposed , which can automatically adjust and compensate the image quality according to the external environment influence 摄像头受外界光学环境的影响，采集的人像经常有颜色失真现象，本文通过对hvs的颜色恒常性特征的分析，提出了基于hvs颜色恒常性的肤色校正算法，可以自动校正和补偿因外界影响而发生变化的人像肤色。
In light of cheng ' s balance container for measuring boiler barrel water - level , a new type instrument is introduced from its principle , characteristics and system composition etc . . this new instrument has self - correcting funcion of water - level based on drum pressure ; and is of a high precision instrument for monitoring water - level of boiler barrels 摘要针对成氏平衡容器，从工作原理、特点、系统组成等方面，介绍了一种新型的汽泡水位测控仪，它具有汽包水位压力自动校正功能，是一种高精度的汽泡水位监控仪。
