http://www.bytearray.org/?p=3151

> Task :app:compileDebugKotlin FAILED e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:10:17 Unresolved reference 'appcompat'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:15:22 Unresolved reference 'AppCompatActivity'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:34:5 'onCreate' overrides nothing. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:35:9 Unresolved reference 'AppCompatActivity'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:35:15 Unresolved reference 'onCreate'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:36:9 Unresolved reference 'setContentView'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:36:24 Unresolved reference 'R'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:38:20 Unresolved reference 'findViewById'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:38:33 Unresolved reference 'R'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:39:24 Unresolved reference 'findViewById'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:39:37 Unresolved reference 'R'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:40:23 Unresolved reference 'findViewById'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:40:36 Unresolved reference 'R'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:41:22 Unresolved reference 'findViewById'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:41:35 Unresolved reference 'R'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:42:25 Unresolved reference 'findViewById'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:42:38 Unresolved reference 'R'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:51:19 None of the following candidates is applicable: static fun makeText(p0: Context!, p1: CharSequence!, p2: Int): Toast! static fun makeText(p0: Context!, p1: Int, p2: Int): Toast! e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:51:63 Unresolved reference 'show'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:56:19 None of the following candidates is applicable: static fun makeText(p0: Context!, p1: CharSequence!, p2: Int): Toast! static fun makeText(p0: Context!, p1: Int, p2: Int): Toast! e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:56:64 Unresolved reference 'show'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:67:17 Unresolved reference 'runOnUiThread'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:74:17 Unresolved reference 'runOnUiThread'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:74:31 Unresolved reference 'show'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:75:27 None of the following candidates is applicable: static fun makeText(p0: Context!, p1: CharSequence!, p2: Int): Toast! static fun makeText(p0: Context!, p1: Int, p2: Int): Toast! e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:75:82 Unresolved reference 'show'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:106:21 Unresolved reference 'runOnUiThread'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:117:37 Argument type mismatch: actual type is 'com.example.bluetoothhc05.MainActivity', but 'android.content.Context!' was expected. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:118:17 'val' cannot be reassigned. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:125:5 'onDestroy' overrides nothing. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:126:9 Unresolved reference 'AppCompatActivity'. e: file:///C:/Users/szlcj/Desktop/dz/nongcan/12345678/123/app/src/main/java/com/example/myapplication/MainActivity.kt:126:15 Unresolved reference 'onDestroy'.
06-26
跟网型逆变器小干扰稳定性分析与控制策略优化研究(Simulink仿真实现)内容概要:本文围绕跟网型逆变器的小干扰稳定性展开分析,重点研究其在电力系统中的动态响应特性及控制策略优化问题。通过构建基于Simulink的仿真模型,对逆变器在不同工况下的小信号稳定性进行建模与分析,识别系统可能存在的振荡风险,并提出相应的控制优化方法以提升系统稳定性和动态性能。研究内容涵盖数学建模、稳定性判据分析、控制器设计与参数优化,并结合仿真验证所提策略的有效性,为新能源并网系统的稳定运行提供理论支持和技术参考。; 适合人群:具备电力电子、自动控制或电力系统相关背景,熟悉Matlab/Simulink仿真工具,从事新能源并网、微电网或电力系统稳定性研究的研究生、科研人员及工程技术人员。; 使用场景及目标:① 分析跟网型逆变器在弱电网条件下的小干扰稳定性问题;② 设计并优化逆变器外环与内环控制器以提升系统阻尼特性;③ 利用Simulink搭建仿真模型验证理论分析与控制策略的有效性;④ 支持科研论文撰写、课题研究或工程项目中的稳定性评估与改进。; 阅读建议:建议读者结合文中提供的Simulink仿真模型,深入理解状态空间建模、特征值分析及控制器设计过程,重点关注控制参数变化对系统极点分布的影响,并通过动手仿真加深对小干扰稳定性机理的认识。
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