nlj

The2 tables in QB2 are joined with nested loop join ( NLJ)

QB2中两个表用嵌套循环（NLJ）连接。

Optimized PID Parameter Tuning Using NLJ Method

基于NLJ方法的PID控制参数寻优自整定

Satisfaction-based NLJ Algorithm in Fired Power Plant Boiler Control System Research and Application

基于满意度的NLJ算法在火电厂锅炉控制系统中的研究与应用

The characteristic of NLJ method is high convergence rate and can economize calculating time.

NLJ方法的特点是提高收敛速度，节省计算时间。

Mainly it discusses two problems: software instruments of viscosity and flash point using neural networks and operation optimization on the atmospheric and vacuum towers using NLJ method.

主要探讨了两个方面的问题：采用神经网络建立各个侧线粘度和闪点的软测量仪表以及采用NLJ方法实现常减压塔的操作优化。

Multivariable Predictive Functional Control Based on NLJ Optimization Algorithm

基于NLJ优化算法的多变量预测函数控制

Based on system identification with recursive least squares method, the NLJ optimizing algorithm is used to tune the PID control parameters.

在运用递推最小二乘法在线辨识系统模型参数的基础上，采用NLJ方法（随机数直接搜索法）以ITAE（时间乘误差绝对积分）指标最优为目标对PID控制参数寻优整定。