Basing on the current status of the research work , the sub - optimal control for a class of nonlinear systems with time - delay in state variables is considered in this paper , and a successive approximation approach is proposed 根据当前对非线性时滞系统最优控制和次优控制的研究现状，本文研究了一类状态变量含有时滞的非线性系统的次优控制，并提出一种次优控制律的逐次逼近设计方案。
After the description of structure design and system composition of the whole a / d converter in chapter 3 , design of d / a converter , which is the important part of 10 - bit successive approximation register a / d converter , has been provided in chapter 4 在第三章介绍了整个a d转换器的结构设计和系统组成后，文章的主体部分第四章给出了本文所研究的10位逐次逼近式a d转换器的重要组成部分? ? d a转换器的设计。
Comparing with traditional successive approximation process algorithm , our method can improve quality of reconstruction result while speeding up convergence . further , proper threshold is adopted to enhance the robustness of the histogram constraint . , 和传统的连续近似迭代法相比，该方法在加快收敛速度同时能够有效地改善重建质量，同时我们采用阈值对先验直方图的影响进行动态地控制，有效地增强了直方图约束的抗干扰性。
For the nonlinear two - point boundary value problem with both time - delay terms and time - advanced terms driven by the optimal control theory , we build a sequence of nonhomogeneous linear two - point boundary value problems according to the successive approximation approach of constant differential equation 再利用常微分方程的逐次逼近法，将由系统的最优控制问题得到的即含有时滞项又含有超前项的非线性两点边值问题化为非齐次线性两点边值问题族。
Based on inverse equation , the forward solution model of position is presented in this thesis through method of successive approximation , for parallel robots possess characteristic of easy inverse solution and difficult direct solution . the method is proved to be highly effective by simulation example 根据6 - sps并联机器人反解容易、正解较难的特点，本论文基于位置反解方程，通过杆长逐次逼近的思路建立了位置正解模型，并对该方法进行了实例验证。
The characteristics of vfc - type analog to digital converter ( atd ) and successive approximation analog to digital converter are analyzed . the paper disscuss the advantage of mcu integrated adc , select the data acquisition system of the design . 4 . this paper utilizes the monolithic silicon integrated circuit performs switch monitoring and switch operation 在开人、开出回路设计方面，分析了传统开人、开出的不足之处，提出了对开人、开出回路进行改进的创新想法，设计了更为简洁、可靠的开人、开出电路。
