py 1027

最新推荐文章于 2024-12-22 00:53:24 发布
最新推荐文章于 2024-12-22 00:53:24 发布
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文章标签： py3

 69.0.3497.100（正式版本） （32 位）

chrome driver 版本

http://npm.taobao.org/mirrors/chromedriver/2.43/

chomedriver 版本放到python安装目录下scripts目录下

python3.5.2

cmd:

pip3 install requests

pip3 install selenium

import requests

import selenium

python3:

from selenium import webdriver

browser = webdriver.Chrome()

然后会弹出chrome

ps:firefox可以用geckodriver

phantomJS无界面抓取

aiohttp异步抓取web服务的lib

requests库 阻塞式http请求

pip3 install aiohttp

 

ros2 py文件间函数调用
G果的博客
01-03 623
在 ros2 新建依赖 python 的工程包（package）的命令如下，生成的文件结构如下图。在setup.py文件里面已经默认指定了运行的函数是 keyboard_control.py 的 main 函数，这篇文章解决的是需要调用另一个python文件的函数，遇到的报错问题限于我个人，可以参考…
python manage.py makemigrations learning_logs/
hf574360252的博客
04-06 1310
入门到入土，自学到这一步“python manage.py makemigrations learning_logs”就废了 Traceback (most recent call last): File "E:\learning_log\manage.py", line 22, in <module> main() File "E:\learning_log\manage.py", line 18, in main execute_from_command_lin...
合宙PY32F103休眠STOP模式
weixin_44148981的博客
05-27 269
【代码】合宙PY32F103休眠STOP模式。
MonoGRNet Project - train.py
程永强
06-23 798
MonoGRNet Project - train.py 1. 2.
android 访问web.py,Appium 测试 Android 时，python 用例调用 Webdriver.remote 后无回应
weixin_35755823的博客
05-27 523
大家好！遇到一个问题，希望大家能指点一下。我搭建好了 Appium 测试 Android 应用的测试环境，在运行 Python 编写的测试用例时，发现调用 Webdriver.remote 后，没有任何回应，Appium 的 log 如下：info: Welcome to Appium v0.15.0 (REV a7b47d73a27074cc928cc5b325e5d4de1b6e5594)in...
py字符串练习
weixin_30457551的博客
03-20 111
1.http://news.gzcc.cn/html/2017/xiaoyuanxinwen_1027/8443.html取得校园新闻的编号 'http://news.gzcc.cn/html/2017/xiaoyuanxinwen_1027/8443.html'.rsplit('.html')[0][-9:] 2.https://docs.python.org/3/library/...
pyinstaller打包py为exe，import PaddleOCR打包遇到的坑
庄毕楠的博客
12-22 514
pyinstaller打包paddleocr遇到的坑 paddleocr==2.7.2,paddlepaddle==2.6.2
1027 打印沙漏 (20 分)
森宝的博客
08-09 2005
本题要求你写个程序把给定的符号打印成沙漏的形状。例如给定17个“*”，要求按下列格式打印 ***** *** * *** ***** 所谓“沙漏形状”，是指每行输出奇数个符号；各行符号中心对齐；相邻两行符号数差2；符号数先从大到小顺序递减到1，再从小到大顺序递增；首尾符号数相等。 给定任意N个符号，不一定能正好组成一个沙漏。要求打印出的沙漏能用掉尽可能多的符号。 输入格式: ...
1027：输出浮点数
Alex
02-27 1913
【题目描述】 读入一个双精度浮点数，分别按输出格式“%f”，“%f”保留5位小数， “%e”和“%g”的形式输出这个整数，每次在单独一行上输出。 【输入】 一个双精度浮点数。 【输出】 第一行是按“%f”输出的双精度浮点数； 第二行是按“%f”保留5位小数输出的双精度浮点数； 第三行是按“%e”输出的双精度浮点数； 第四行是按“%g”输出的双精度浮点数。 【输入样例】 12.3456789 【输出...
(fengzhuang) root@pr4908e-002:/home/z002/raytracing02_20250324_2/output# ./matrix_Test_model6_112_single.bin Traceback (most recent call last): File "/tmp/onefile_3561130_1751560669_634495/matrix_Test_model6_112_single.py", line 2, in <module> File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "/tmp/onefile_3561130_1751560669_634495/torch/__init__.py", line 2475, in <module torch> File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "/tmp/onefile_3561130_1751560669_634495/torch/export/__init__.py", line 64, in <module torch.export> File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "/tmp/onefile_3561130_1751560669_634495/torch/export/dynamic_shapes.py", line 23, in <module torch.export.dynamic_shapes> File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "/tmp/onefile_3561130_1751560669_634495/torch/export/exported_program.py", line 26, in <module torch.export.exported_program> File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "/tmp/onefile_3561130_1751560669_634495/torch/_higher_order_ops/__init__.py", line 1, in <module torch._higher_order_ops> File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "/tmp/onefile_3561130_1751560669_634495/torch/_higher_order_ops/cond.py", line 6, in <module torch._higher_order_ops.cond> File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "/tmp/onefile_3561130_1751560669_634495/torch/_subclasses/functional_tensor.py", line 9, in <module torch._subclasses.functional_tensor> File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "/tmp/onefile_3561130_1751560669_634495/torch/_inductor/config.py", line 1241, in <module torch._inductor.config> File "/tmp/onefile_3561130_1751560669_634495/torch/utils/_config_module.py", line 65, in install_config_module File "/tmp/onefile_3561130_1751560669_634495/torch/utils/_config_module.py", line 82, in get_assignments_with_compile_ignored_comments File "/tmp/onefile_3561130_1751560669_634495/inspect.py", line 1139, in getsource File "/tmp/onefile_3561130_1751560669_634495/inspect.py", line 1121, in getsourcelines File "/tmp/onefile_3561130_1751560669_634495/inspect.py", line 958, in findsource OSError: could not get source code 这是什么问题
07-04
pyinstaller--add-data "path/to/source:."your_script.py#排除模块示例pyinstaller --exclude-moduletorch.jit your_script.py``` ###总结该错误主要由动态获取源代码失败引起，常见于打包或使用特定框架时。解决...
Traceback (most recent call last): File "C:\Python310\lib\threading.py", line 1009, in _bootstrap_inner self.run() File "C:\Python310\lib\threading.py", line 946, in run self._target(*self._args, **self._kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\management\commands\runserver.py", line 124, in inner_run autoreload.raise_last_exception() File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\autoreload.py", line 86, in raise_last_exception raise _exception[1] File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\management\__init__.py", line 394, in execute autoreload.check_errors(django.setup)() File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\__init__.py", line 24, in setup apps.populate(settings.INSTALLED_APPS) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\apps\registry.py", line 116, in populate app_config.import_models() File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\apps\config.py", line 269, in import_models self.models_module = import_module(models_module_name) File "C:\Python310\lib\importlib\__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1050, in _gcd_import File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 883, in exec_module File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\apps\question\models\__init__.py", line 1, in <module> from .category import TblQuestionCategory File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\apps\question\models\category.py", line 4, in <module> class TblQuestionCategory(models.Model): File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\db\models\base.py", line 368, in __new__ new_class._meta.apps.register_model(new_class._meta.app_label, new_class) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\apps\registry.py", line 234, in register_model raise RuntimeError( RuntimeError: Conflicting &#39;tblquestioncategory&#39; models in application &#39;question&#39;: <class &#39;apps.question.models.category.TblQuestionCategory&#39;> and <class &#39;question.models.category.TblQuestionCategory&#39;>. (.venv) PS D:\pythonSpace\django-vue3.2-online-exam-master\backend> pip remove question ERROR: unknown command "remove" (.venv) PS D:\pythonSpace\django-vue3.2-online-exam-master\backend> pip uninstall question WARNING: Skipping question as it is not installed. (.venv) PS D:\pythonSpace\django-vue3.2-online-exam-master\backend> python manage.py runserver Watching for file changes with StatReloader Exception in thread django-main-thread: Traceback (most recent call last): File "C:\Python310\lib\threading.py", line 1009, in _bootstrap_inner self.run() File "C:\Python310\lib\threading.py", line 946, in run self._target(*self._args, **self._kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\management\commands\runserver.py", line 124, in inner_run autoreload.raise_last_exception() File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\autoreload.py", line 86, in raise_last_exception raise _exception[1] File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\management\__init__.py", line 394, in execute autoreload.check_errors(django.setup)() File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\__init__.py", line 24, in setup apps.populate(settings.INSTALLED_APPS) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\apps\registry.py", line 116, in populate app_config.import_models() File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\apps\config.py", line 269, in import_models self.models_module = import_module(models_module_name) File "C:\Python310\lib\importlib\__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1050, in _gcd_import File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 883, in exec_module File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\apps\question\models\__init__.py", line 1, in <module> from .category import TblQuestionCategory File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\apps\question\models\category.py", line 4, in <module> class TblQuestionCategory(models.Model): File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\db\models\base.py", line 368, in __new__ new_class._meta.apps.register_model(new_class._meta.app_label, new_class) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\apps\registry.py", line 234, in register_model raise RuntimeError( RuntimeError: Conflicting &#39;tblquestioncategory&#39; models in application &#39;question&#39;: <class &#39;apps.question.models.category.TblQuestionCategory&#39;> and <class &#39;question.models.category.TblQuestionCategory&#39;>. (.venv) PS D:\pythonSpace\django-vue3.2-online-exam-master\backend> grep -r "class tblquestioncategory" ./question/ grep : 无法将“grep”项识别为 cmdlet、函数、脚本文件或可运行程序的名称。请检查名称的拼写，如果包括路径，请确保路径正确，然后再试一次。 所在位置 行:1 字符: 1 + grep -r "class tblquestioncategory" ./question/ + ~~~~ + CategoryInfo : ObjectNotFound: (grep:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException (.venv) PS D:\pythonSpace\django-vue3.2-online-exam-master\backend> python manage.py runserver Watching for file changes with StatReloader Performing system checks... Exception in thread django-main-thread: Traceback (most recent call last): File "C:\Python310\lib\threading.py", line 1009, in _bootstrap_inner self.run() File "C:\Python310\lib\threading.py", line 946, in run self._target(*self._args, **self._kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\management\commands\runserver.py", line 134, in inner_run self.check(**check_kwargs) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\management\base.py", line 492, in check all_issues = checks.run_checks( File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\checks\registry.py", line 89, in run_checks new_errors = check(app_configs=app_configs, databases=databases) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\checks\urls.py", line 16, in check_url_config return check_resolver(resolver) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\core\checks\urls.py", line 26, in check_resolver return check_method() File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\urls\resolvers.py", line 531, in check for pattern in self.url_patterns: File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\functional.py", line 47, in __get__ res = instance.__dict__[self.name] = self.func(instance) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\urls\resolvers.py", line 718, in url_patterns patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\functional.py", line 47, in __get__ res = instance.__dict__[self.name] = self.func(instance) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\urls\resolvers.py", line 711, in urlconf_module return import_module(self.urlconf_name) File "C:\Python310\lib\importlib\__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1050, in _gcd_import File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 883, in exec_module File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\backend\urls.py", line 20, in <module> from drf_spectacular.views import SpectacularJSONAPIView, SpectacularRedocView, SpectacularSwaggerView File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\drf_spectacular\views.py", line 15, in <module> from rest_framework.views import APIView File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\rest_framework\views.py", line 18, in <module> from rest_framework.schemas import DefaultSchema File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\rest_framework\schemas\__init__.py", line 33, in <module> authentication_classes=api_settings.DEFAULT_AUTHENTICATION_CLASSES, File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\rest_framework\settings.py", line 227, in __getattr__ val = perform_import(val, attr) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\rest_framework\settings.py", line 170, in perform_import return [import_from_string(item, setting_name) for item in val] File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\rest_framework\settings.py", line 170, in <listcomp> return [import_from_string(item, setting_name) for item in val] File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\rest_framework\settings.py", line 179, in import_from_string return import_string(val) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\module_loading.py", line 30, in import_string return cached_import(module_path, class_name) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\django\utils\module_loading.py", line 15, in cached_import module = import_module(module_path) File "C:\Python310\lib\importlib\__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\utils\auth\authentication.py", line 15, in <module> from utils.auth.jwt_util import JwtUtil File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\utils\auth\jwt_util.py", line 9, in <module> from jose import jwt File "D:\pythonSpace\django-vue3.2-online-exam-master\backend\.venv\lib\site-packages\jose.py", line 546 print decrypt(deserialize_compact(jwt), {&#39;k&#39;:key}, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SyntaxError: Missing parentheses in call to &#39;print&#39;. Did you mean print(...)?
07-13
我们有两个主要问题：模型冲突错误（Conflicting models）和语法错误（SyntaxError in jose.py）。让我们分别解决。 ### 问题1：模型冲突错误（Conflicting &#39;tblquestioncategory&#39; models） 根据错误信息： ``` ...
Watching for file changes with StatReloader Exception in thread django-main-thread: Traceback (most recent call last): File "C:\Users\YANGRENJIE\AppData\Local\Programs\Python\Python310\lib\threading.py", line 1016, in _bootstrap_inner self.run() File "C:\Users\YANGRENJIE\AppData\Local\Programs\Python\Python310\lib\threading.py", line 953, in run self._target(*self._args, **self._kwargs) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\core\management\commands\runserver.py", line 126, in inner_run autoreload.raise_last_exception() File "D:\新书籍推荐系统\.venv\lib\site-packages\django\utils\autoreload.py", line 87, in raise_last_exception raise _exception[1] File "D:\新书籍推荐系统\.venv\lib\site-packages\django\core\management\__init__.py", line 394, in execute autoreload.check_errors(django.setup)() File "D:\新书籍推荐系统\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\__init__.py", line 24, in setup apps.populate(settings.INSTALLED_APPS) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\apps\registry.py", line 124, in populate app_config.ready() File "D:\新书籍推荐系统\.venv\lib\site-packages\django\contrib\admin\apps.py", line 27, in ready self.module.autodiscover() File "D:\新书籍推荐系统\.venv\lib\site-packages\django\contrib\admin\__init__.py", line 52, in autodiscover autodiscover_modules("admin", register_to=site) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\utils\module_loading.py", line 58, in autodiscover_modules import_module("%s.%s" % (app_config.name, module_to_search)) File "C:\Users\YANGRENJIE\AppData\Local\Programs\Python\Python310\lib\importlib\__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1050, in _gcd_import File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 883, in exec_module File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed File "D:\新书籍推荐系统\myApp\admin.py", line 38, in <module> class BookAdmin(admin.ModelAdmin): File "D:\新书籍推荐系统\.venv\lib\site-packages\django\contrib\admin\decorators.py", line 107, in _model_admin_wrapper admin_site.register(models, admin_class=admin_class) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\contrib\admin\sites.py", line 125, in register raise AlreadyRegistered(msg) django.contrib.admin.exceptions.AlreadyRegistered: The model booklist is already registered with &#39;myApp.DbBooks&#39;.
03-12
堆栈中指向了File "D:\新书籍推荐系统\myApp\admin.py", line 38, in ，这里定义了一个BookAdmin类，继承自admin.ModelAdmin。然后在注册的时候，系统检测到booklist模型已经被注册过了，对应的应用是myApp.DbBooks...
MATLAB GUI设计平台：多算法雷达一维恒虚警检测CFAR可视化界面，实现噪声波形与目标检测回波-检测门限波形图的可视化
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利用MATLAB/Simulink构建小电流系统单相接地故障仿真模型的方法。主要探讨了三种不同的中性点接地方式（不接地、经消弧线圈接地、经小电阻接地）下，故障特征的变化情况。文中不仅提供了具体的模型搭建步骤，还展示了如何通过Simulink进行波形数据的采集与分析，如零序电流、零序电压及其五次谐波波形图的获取方法。此外，作者分享了一些实用技巧，比如正确配置Powergui模块以确保仿真精度。 适用人群：电力系统研究人员、高校师生以及从事电力工程相关工作的技术人员。 使用场景及目标：适用于需要深入理解不同类型中性点接地方式对电网稳定性影响的研究项目；也可作为教学案例帮助学生掌握电力系统故障诊断的基本原理和技术手段。 其他说明：文中涉及大量MATLAB/Simulink的具体操作细节，对于初学者来说可能具有一定难度，建议有一定编程基础后再行尝试。
基于MATLAB蚁群算法的配电网重构研究：提升供电可靠性与减少线损能力
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内容概要：本文探讨了利用MATLAB中的蚁群算法进行配电网重构的方法，旨在提升供电可靠性和减少线损。文中详细介绍了蚁群算法的基本原理及其在配电网重构中的具体应用，包括蚂蚁对象的定义、转移概率的计算、节点电压约束的处理以及信息素的迭代更新。通过对IEEE33节点系统的实验验证，展示了该算法的有效性和高效性。结果显示，在相同条件下，蚁群算法相比传统遗传算法不仅速度更快，而且能显著降低线损并减少失电负荷。 适合人群：从事电力系统研究的技术人员、高校相关专业师生、对智能算法感兴趣的开发者。 使用场景及目标：适用于需要优化配电网结构的实际工程中，特别是在追求更高供电质量和更低能耗的情况下。目标是通过改进现有配电网络，达到减少停电时间和损失电量的效果。 阅读建议：对于想要深入了解蚁群算法及其在电力系统中应用的人来说，本文提供了详细的理论解释和技术实现步骤。建议读者跟随文中提供的代码片段逐步理解和实践，同时关注参数调节对最终结果的影响。
西门子SMART200PLC与昆仑通泰触摸屏在气力输送系统的集成应用及控制程序解析
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西门子SMART200PLC与昆仑通泰触摸屏在气力输送系统中的集成应用。首先，文中探讨了两种不同的物料输送控制系统：一种基于西门子1200PLC和昆仑通泰触摸屏，另一种基于SMART200PLC和WINCC flexible SMARTV3SP2画面组态。两者均涉及称重仪表的模拟量采样和阀门控制，确保物料输送的稳定性和精确度。文中还提供了具体的代码示例，展示如何通过PLC编程实现对物料输送的精确控制。此外，文章强调了昆仑通泰触摸屏带来的直观操作体验以及系统中的安全措施。 适合人群：从事工业自动化领域的工程师和技术人员，尤其是对PLC编程和气力输送系统感兴趣的读者。 使用场景及目标：适用于需要深入了解PLC与触摸屏在气力输送系统中协同工作的技术人员，旨在提高物料输送效率和精度，优化生产流程。 其他说明：文中提到的具体技术和工具如WINCC flexible SMARTV3SP2、SIMATIC SMART200 PLC等，对于相关从业人员有较高的参考价值。
Matlab Simulink风储系统频域调频模型：含同步机、风机与储能装置的实时频率响应控制模型
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Matlab Simulink风储系统调频模型的技术实现及其运行特性。该模型涵盖同步机、风机和储能三个主要部分，通过虚拟惯性控制和虚拟下垂控制策略，模拟了风储系统的频率响应特性。模型不仅能够实时观测储能的状态容积（SOC），还能根据SOC变化调整有功出力，适应不同类型的负荷扰动。此外，文中还探讨了模型的应用背景、各关键环节的工作原理及控制策略，强调了其实时性和灵活性。 适合人群：从事风电储能系统研究和技术开发的专业人士，尤其是对Matlab Simulink有一定了解的研究人员。 使用场景及目标：适用于需要深入了解风储系统调频机制的研究项目，旨在优化风储系统的运行性能，提高系统的稳定性和可靠性。 其他说明：该模型已针对多种负荷扰动进行了参数调整，确保了其在实际应用场景中的有效性和准确性。
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