摘要：【中文】一种基于变步长神经网络的表贴式永磁同步电机参数辨识方法：在电机控制系统的第k个控制周期，控制系统进行采样；根据采样得到的电机三相定子电流和电机转子位置角，求解第k个控制周期的电机实际电流d轴系和q轴系分量，以及参考电压d轴系和q轴系分量，得到相应的脉冲；给出第k+1个控制周期的单相定子电阻、定子电感、转子磁链参数的迭代收敛模型；迭代收敛模型稳定收敛后，将电机处于稳定运行状态时辨识出的单相定子电阻、定子电感、转子磁链代入到预测模型中保持电机正常运行。本发明在在辨识结果收敛到稳态后代入到预测模型，消除因控制器模型参数不准确造成电机电流存在稳态静差或震荡的问题。 【EN】A surface-mounted permanent magnet synchronous motor parameter identification method based on a variable step size neural network comprises the following steps: in the kth control period of the motor control system, the control system samples; according to the sampled three-phase stator current of the motor and the position angle of the rotor of the motor, solving the components of a d shafting and a q shafting of the actual current of the motor in the kth control period and the components of the d shafting and the q shafting of the reference voltage to obtain corresponding pulses; giving an iterative convergence model of the single-phase stator resistance, the stator inductance and the rotor flux linkage parameter of the (k +1) th control period; after the iterative convergence model is stably converged, substituting the single-phase stator resistance, the stator inductance and the rotor flux linkage identified when the motor is in a stable operation state into a prediction model to keep the motor normally operating. The method substitutes the identification result into the prediction model after the identification result converges to the steady state, and solves the problem that the motor current has steady state static error or oscillation due to inaccurate parameters of the controller model.

摘要：【中文】本发明公开了智能化展示信息模型系统，包括展示一体计算机、底座、逐级转动调节组件、高度调节组件、轴承、云储存平台、PLC控制器、信息上传模块、WIFI传输模块、信息调用模块、储存器、信息互联模块、信息交互模块、智能管理模块和显示模块，所述展示一体计算机的底端外壁上设置有底座，所述底座的底端内壁上设置有逐级转动调节组件；该发明，具体是展馆智能化展览用的计算机，以技术创新增强科普宣教手段，优化游客体验，提高展馆管理水平，实现展馆的智能化管理和运行，从传统服务业向现代服务业升级，其中逐级转动调节组件和高度调节组件的设置，能实现展览用计算机浏览方向和高度的逐级调节，利于后期人们浏览。 【EN】The invention discloses an intelligent information display model system which comprises a display integrated computer, a base, a step-by-step rotation adjusting assembly, a height adjusting assembly, a bearing, a cloud storage platform, a PLC (programmable logic controller), an information uploading module, a WIFI (wireless fidelity) transmission module, an information calling module, a storage, an information interconnection module, an information interaction module, an intelligent management module and a display module, wherein the base is arranged on the outer wall of the bottom end of the display integrated computer, and the step-by-step rotation adjusting assembly is arranged on the inner wall of the bottom end of the base; the invention relates to a computer for intelligent exhibition of an exhibition hall, which enhances science popularization and education means by technical innovation, optimizes tourist experience, improves the management level of the exhibition hall, realizes intelligent management and operation of the exhibition hall, and is upgraded from the traditional service industry to the modern service industry, wherein the arrangement of an adjusting component and a height adjusting component is rotated step by step, so that the browsing direction and the height of the computer for exhibition can be adjusted step by step, and the computer is beneficial to browsing of people at the later stage.