The paper introduces the design of safeguard system in high-voltage electric network and analyzes the process control model and parameters of the system, also presents the structure of low-voltage main cabinet, off-line detecting unit and high-voltage-controlled output circuits. 本文介绍了高压电网防护系统的设计,分析了系统的过程控制模型与参数;介绍了系统低压主机柜的结构、断网检测单元和高压控制输出等电路。
Compared with the PID controller in the real-time experiment and off-line simulation, it shows that not only the output of system is small overshoot and rapid respond time when the logical rule controller acts, but also its control strategy is easy to be performed. 与传统的PID控制器作用相比,离线仿真和在线实验表明,逻辑规则控制器作用下的系统输出不仅超调量小,响应时间快,而且控制策略简单易行。
The nonlinear off-line model of the nonlinear system was obtained by LS-SVM to train a sequence data of input and output. 该算法通过LS-SVM对非线性系统输入输出数据序列的训练学习建立其预测模型;
Using this novel start-up circuit structure for the off-line switching model power supply IC can save the cell area, reduce the power consumption of the circuit, and easily control and supply the larger output voltage. 采用该结构集成开关电源的启动电路可以节省芯片面积,降低电路功耗,易于控制且可提供较大的芯片内部电源电压。
By off-line parameters identification, dynamic model is built, whose input variable is injection width and output variable is idle speed. The idle model is simplified and corrected. 通过离线参数估计,建立了小排量汽油机怠速工况动态数学模型,并进行了简化和修正。
In the program, the fuzzy interrogation table is extracted from fuzzy-rule by using off-line calculating method, and fuzzy control quantity output is queried through online method. 此程序通过离线计算的方式将模糊规则制成模糊查询表,并通过在线方式查询模糊控制量的输出。
This method uses that support vector machines can approximate any nonlinear function characteristics to establish the system 'off-line SVM model, then takes instantaneous linear processing of the model output the optimization parameters of PID controller under the minimum variance. 该方法利用支持向量机能够逼近任意非线性函数的特点,建立系统的离线SVM模型,并在每个采样时刻将离线SVM模型进行瞬时线性化处理,输出在最小方差意义下PID控制器优化参数。