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- This paper introduces a chaos anti-control method based on the PMSM's affine nonlinear mathematical model. 以永磁同步电机的仿射非线性数学模型为例,提出了基于非线性跟踪的混沌反控制方法。
- Abstract： To stability analysis of the tethered balloon, A three dimensional nonlinear mathematical model of tethered aerostat was assembled. 摘 要： 为研究系留气球稳定性，建立了系留气球的三维非线性动力学模型。
- A nonlinear mathematical model was utilized to investigate the behavior of surf-riding and broaching-to of a vessel in severe following seas. 摘要本文利用一个非线性数学模式，以探讨高速船只在顺波中的冲浪与突转现象；
- To stability analysis of the tethered balloon, a three dimensional nonlinear mathematical model of tethered aerostat was assembled. 摘要为研究系留气球稳定性，建立了系留气球的三维非线性动力学模型。
- The linearization of nonlinear mathematical model of hydrofoil catamaran at design speed, was implemented, and the state-space model was obtained. 通过对水翼船的非线性运动数学模型在设计速度点处线性化,得到了考虑外界干扰的水翼船运动状态空间模型+。
- This paper calculates the diagram of steering by using optimal method according to the nonlinear mathematical model of ship maneuverability. 根据稳定状态船舶操纵运动非线性数学模型，通过优化计算求出操纵性特征曲线，以此作为船舶操纵性初步衡准依据。
- Based upon neural networks, a nonlinear mathematical model of the protraction for the thermal expansion die-bolt is developed. 基于神经网络建立热膨胀螺栓形变的非线性数学模型。
- Because the OEC problem is a nonlinear optimal control problem and complicated to solve, no analytical OEC strateges based on WSHP nonlinear mathematical model are obtained. 由于水源热泵系统的动态数学模型为非线性的，因此节能运行问题为非线性最优控制问题，在系统的机理建模、节能运行最优控制问题构造及求解方面都面临较多理论难点。
- Comparison with Newton-Raphson, simulation results show that the model convergence is improved with application of GA in aeroengine nonlinear mathematical models. 数值仿真结果表明，与牛顿-拉夫逊解法相比，采用遗传算法方法可实现模型大范围收敛。
- He is reputedly brilliant at mathematics. 据说他在数学方面很有才能。
- A physical model of the automatic control system of a pump-fed Liquid Rocket Engine (LRE) is constructed, for which a nonlinear mathematical model is built. 摘要以能多次启动的某泵压式液体火箭发动机的自动控制系统为研究对象，构造了液体火箭发动机自动控制系统的物理模型，并对其建立了非线性的数学模型。
- Aeroengine nonlinear mathematical model includes a group of similar nonlinear equation.Interpolation method now in use is not always effective due to initial value selection. 摘要针对发动机数学模型中非线性方程插值解法的不足，提出非线性方程自适应变搜索域遗传算法解法。
- It is a complexity of higher mathematics. 这是一道高等数学的难题。
- The elemental mathematics is very easy. 初等数学很简单。
- A nonlinear mathematical model is developed to describe the nonlinear deformation of a thin walled beam with the single closed cell under the influence of the nonlinear torsion. 考虑翘曲和大扭角变形的影响,研究薄壁梁结构轴向与扭转非线性耦合弹性变形问题。
- Mathematics arose from the need of men. 数学是由于人们的需要而产生的。
- I'll have to rub up my mathematics. 我得把数学复习一下。
- I'm afraid I'm quite hopeless at mathematics. 我担心我的数学怎么也学不好。
- He is superior to his brother in mathematics. 他的数学比他兄弟好。
- He taught mathematics for many years. 他教数学已很多年了。
