ID | 原文 | 译文 |
2833 | 首先,建立了开环和输入电压闭环两种控制方式下系统的小信号模型,并揭示不同负载类型对于系统频率响应的影响; | Firstly, small-signal models of the control system under both open-loop and input voltage controlled closed-loop are derived, and then the influences of load type on the system frequency responses are revealed. |
2834 | 其次,对 MPPT 变换器的端口阻抗进行了建模分析,指出影响闭环输入、输出阻抗特性的重要因素,为接口电路的后续稳定性设计提供理论指导; | Secondly, the terminal impedances of the MPPT converter are modeled and analyzed, and the important factors affect the closed-loop input and out-put impedances are pointed out, which will provide theoretical guide for future stability design of the interfacing circuit. |
2835 | 最后,搭建实验室电路样机,通过频域和时域测试结果验证了理论分析的正确性。 | Fi-nally, a laboratory prototype is built, and the analyses are verified by test results in both time-and frequency-domains. |
2836 | 大量工程应用问题可建模为结构化非线性规划,且这类问题的系数矩阵可分为稀疏型和稠密型两种类型。 | A lot of practical application problems can be modeled as structured nonlinear programming, and these prob-lems always have two type of coefficients matrices:sparse and dense. |
2837 | 利用原始-对偶内点法(primal dual interior point method,PD-IPM),并结合分布式并行技术可高效求解此类问题。 | Combining the principle of primal dual interior pointmethod(PD-IPM)and the distributed parallel technology can solve the problem efficiently. |
2838 | 经典工程问题-机组组合(unit commitment,UC)为稀疏系数矩阵的结构化非线性规划,本文根据 PD-IPM 原理,对 UC 模型进行连续松弛预处理, | The unit commitment(UC)is aclassical engineering problem which can be formulated as a structured nonlinear programming with sparse coefficients matri-ces. In this paper, according to the PD-IPM principle, the UC model is continuous relaxation preprocessed, and the Newton cor-rection equations are decoupled by using the fast decoupling technique, which can be used to obtain the independent sub prob-lems. |
2839 | 结合快速解耦技术解耦牛顿修正方程并设计 CPU-GPU 协同并行算法求解子问题,最后将结果与带稠密型子问题的结构化非线性规划的求解结果进行比较和分析。 | Then, a CPU-GPU collaborative parallel method is proposed to solve the sub problems in parallel and the results are com-pared with the results of structured nonlinear programming with dense sub problem. |
2840 | 实验结果显示,本文所设计的算法对于两种不同类型的结构化非线性规划求解均能获得较好的加速比。 | The experimental results show that the pro-posed method for solving two different types of structured nonlinear programming has achieved a certain speedup. |
2841 | 考虑泛延拓矩阵的 QR 分解与广义逆,导出了泛延拓矩阵的 QR 分解与广义逆的公式,讨论了系统参数估计问题。 | The author studied the QR factorization and generalized inverse of universal extended matrix. and the sys-tem parameter estimate is discussed. |
2842 | 结果显示所给方法既减少了计算量与存储量,又不会降低数值精度。 | In addition, the formula of the QR factorization and generalized inverse of universal ex-tended matrix were given. |