DHTMLX 2.5 Released

DHTMLX库2.5版本正式发布,带来了众多显著改进,包括引入对象API,提供更现代的外观皮肤,并对多个组件进行了性能优化。此次更新还统一了容器API,使开发人员能够更加轻松地构建复杂的用户界面。

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We proudly announce the official release of version 2.5 of DHTMLX library. We were working hard, carefully preparing this update, to make it more comfortable and easy for you to build rich web interfaces with our dhtmlx components. suite_src.png Version 2.5 introduces lots of significant improvements, including: Object API In addition to the existing functional API, all the components now have an object API that provides a familiar way of initialization for those who are used to work with object oriented model. Instead of writing large number of commands, you can now define an object within a single command with all the properties set inside of it. This new object based approach allows you to initialize the components in more simple and clear manner. The old commands based model is still available as well. skin_cust_scr.png New Skin With this release we provide a new skin for DHTMLX library, so the components got more slick and polished look and may perfectly match modern application interface. Besides, in the near future we plan to introduce the Skin Customizer which will allow you to modify the skin colors to make your application look the way you need. The Skin Customizer will have a few ready presets and will provide the possibility to change color shades for different parts of the skin, or even globally change the skin palette. New Rendering Engines dhtmlxLayout, dhtmlxWindows, dhtmlxAccordion and dhtmlxTabbar were updated with new engines to gain better performance. Now these components perform faster and behave more seamlessly on the page. dhtmlxLayout also provides better flexibility, so it became much easier to build custom layout structures of any complexity. Performance of the components built into such containers as Layout, Windows, Accordion, and Tabbar was also improved significantly due to the new engines. Now even sophisticated interfaces work smoothly and fast. Unified Container API All the container components - dhtmlxLayout, dhtmlxWindows, dhtmlxAccordion and dhtmlxTabbar – now have the same API to work with the attached content. The container built into these components provides unified methods to attach/remove objects, so you have to learn how to use it only once. Docs Explorer Updated DHTMLX documentation has been totally reviewed and updated, and it now provides the search functionality, at last :) The samples base was also completely updated and became more comfortable to work with. The source code for each sample now can be easily viewed on the sample page. samples_scr.png Improvements for Grid, Tree, TreeGrid dhtmlxGrid, dhtmlxTreeGrid and dhtmlxTree got lots of small enhancements with this update. These components are mature enough and already have all the required functionality, so we just make some improvements to make them more visually beautiful and perfect in details. All the advanced functionality is still here, though :) In version 2.5 they also provide better cross compatibility with other dhtmlx components. In general DHTMLX v2.5 introduces more than a hundred enhancements in the whole suite, and provides more polished look and feel with the same powerful functionality and improved performance. The library is available in Standard (GPL licensed) and PRO editions. Each DHTMLX component can be downloaded/purchased and used standalone or within DHTMLX Suite.
内容概要:本文详细探讨了双馈风力发电机(DFIG)在Simulink环境下的建模方法及其在不同风速条件下的电流与电压波形特征。首先介绍了DFIG的基本原理,即定子直接接入电网,转子通过双向变流器连接电网的特点。接着阐述了Simulink模型的具体搭建步骤,包括风力机模型、传动系统模型、DFIG本体模型和变流器模型的建立。文中强调了变流器控制算法的重要性,特别是在应对风速变化时,通过实时调整转子侧的电压和电流,确保电流和电压波形的良好特性。此外,文章还讨论了模型中的关键技术和挑战,如转子电流环控制策略、低电压穿越性能、直流母线电压脉动等问题,并提供了具体的解决方案和技术细节。最终,通过对故障工况的仿真测试,验证了所建模型的有效性和优越性。 适用人群:从事风力发电研究的技术人员、高校相关专业师生、对电力电子控制系统感兴趣的工程技术人员。 使用场景及目标:适用于希望深入了解DFIG工作原理、掌握Simulink建模技能的研究人员;旨在帮助读者理解DFIG在不同风速条件下的动态响应机制,为优化风力发电系统的控制策略提供理论依据和技术支持。 其他说明:文章不仅提供了详细的理论解释,还附有大量Matlab/Simulink代码片段,便于读者进行实践操作。同时,针对一些常见问题给出了实用的调试技巧,有助于提高仿真的准确性和可靠性。
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