By solution of the minimum of a set of free energy functions of the physical system simulating temperature fluctuations,the base state of the physical system is ultimately reached,which corresponds to the optimum s.

针对传统分类器的缺陷,文章提出将分类问题看作一物理系统,把求解分类问题的最优解转化为模拟温度变化的物理系统的平衡态,通过求解一系列温度变化的物理系统自由能函数的极小来模拟物理系统的平衡态,最终达到物理系统的基态,即分类问题的最优解。

Starting from the unloading-reloading modulus and bulk modulus of Duncan-Chang E-B model,elastic component of Gibbs free energy functionfor soils is formulated based on the thermodynamic principle.

从邓肯E-B模型的卸荷再加荷模量和体积模量出发,以热力学定律为基础,构造土体的吉布斯自由能函数,通过勒让德变换,得到增量的应力–应变关系。

Combining its characteristics of industrial control, we provide the concept of "autonomy function" and "respond function" and apply it to many i.

结合工业控制的特点 ,提出了“自治函数”和“响应函数”的概念 ,应用在几十个工控过程中 ,从根本上解决了弱时间条件下的定时数据采集对多任务的依赖 。

Based on an ARMA(auto-regression moving average) model for turbine rotor vibration-fault series,the authors have calculated the self-spectral functional values through the use of ARMA model parameters and established a self-spectral functionatlas for turbine rotor vibration-fault time series.

根据Bently实验台所采集的碰摩、松动、不对中、不平衡4种典型的汽轮机转子振动故障水平方向与垂直方向的数据所建立的汽轮机转子振动故障序列自回归滑移平均(ARMA)模型,由ARMA模型参数计算自谱函数值,建立汽轮机转子振动故障时间序列的自谱函数图谱。

According to the characteristics of turbine rotor vibration, faults nonlinear characteristics are studied by the methods of fractal box counting dimension, ARMA self-spectral function, Euclidean space dual hidden layers neural network of ARMA model and wavelet packet analysis based on the four typical vibration faults data of turbine rotor collected from the Bently experiment set.

针对汽轮机转子振动故障的特点,根据Bently实验台所采集的4种典型汽轮机转子振动故障数据,运用分形盒维数、ARMA自谱函数、ARMA模型的二维双隐层神经网络和小波包分析方法研究了振动故障的非线性特征,进行故障诊断。