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1.By introducing the dynamic error transfer factor associated with mean squared error and using the improved gradient descent approach,the proposed method can identify the fuzzy T-S prediction model.
通过引入与均方误差相关的动态误差传递因子,使用改进的梯度下降法,本方法能够辨识模糊T-S预测模型.收藏指正
2.The self-tuning fuzzy control algorithm including a back-propagation-based fuzzy controller and the gradient descent method is applied to reduce the pitch motion of the SWATH ship with control stabilizing fins.
控制模式为一自调模糊控制,包括应用一类神经倒传递观念的模糊控制器及梯度下降法来减少纵摇运动。收藏指正
3.Training networks combining genetic algorithm (GA ) based on global optimization with backpropagation (BP) based on gradient descent in the paper make the linking weights of networks self-adaptive evolution in constantly iterative process.
本文采用全局寻优的遗传算法(GA)和基于梯度下降的局部寻优反传算法(BP)相结合来训练网络,使网络的连接权在不断迭代过程中自适应演化。收藏指正
4.Using the indices of trajectory follow error and steering busyness in evaluation of the steering stability, a quadratic form performance index function for the neuron learning was established and the tuning of the connection weight values of the single neuron controller was realized using the algorithm of gradient descent.
利用操纵稳定性评价中的轨迹跟随误差和方向盘忙碌程度的评价指标,建立了神经元学习的二次型性能指标函数,并采用梯度下降算法实现了单神经元控制器的滚接权值的调整。收藏指正
5.Global Convergence Properties of the Descent Algorithms Controlled by the FR Conjugate Gradient Method
由 FR 共轭梯度法控制的下降算法的全局收敛性收藏指正
6.The conjugate descent method introduced by Fletcher (1987) is one of the conjugate gradient methods.
共轭下降法是由 Fletcher( 1 987)提出的一个共轭梯度法。收藏指正
7.A new nonlinear conjugate gradient formula for solving unconstrained optimization problem is proposed. The formula satisfies the sufficient descent condition,and the method in which the proposed formula and the weak Wolfe conditions are used is global convergence.
提出一个新的解决无约束最优化问题的非线性共轭梯度公式,该公式满足充分下降条件,采用这个公式和弱W olfe条件的方法是全局收敛的.收藏指正
8.The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong.
这种混合优化算法结合了共扼梯度法和最速下降法产生搜索方向,既提高了共扼梯度算法的收敛速度,又解决了目标函数的等值线是扁长椭球时,最速下降法下降缓慢的问题,具有收敛速度快、收敛范围大、适应面广等特点。收藏指正
9.Based on the steepest descent method and the conjugate gradient method, a hybrid algorithm is proposed in this paper, and its global convergence is proved.
摘要将最速下降法与共扼梯度法有机结合起来,构造出一种混合优化算法,并证明其全局收敛性。收藏指正
10.In the image reconstruction based on optimization without constraint, the variable metric method, the steepest descent method, and conjugate gradient method were applied to image reconstruction to improve iterative efficiency and reconstructed quality, and their virtue and shortcoming were analyzed.
摘要在无约束最优化为基础的图像重建问题中,为了提高迭代效率以及重建图像质量,首次提出将变度量法应用到图像重建中。收藏指正
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