How to read a research paper How to read a research paperResearch papers are a peculiar kind of document; for the uninitiated, it will take some getting usedto. There are two types of research papers that we may read: conference 2023-03-14 academic #原创
Building Modular ROS Packages Building Modular ROS PackagesIntroduction The key power of the Catkin build tool is how it makes it easier to build modular software without having to keep track of the specific build products of 2023-03-10 slam > ROS #转载
Why does my robot navigate too close to walls and/or cuts corners? Question: Why does my robot navigate too close to walls and/or cuts corners?Short Answer: Define/Increase the inflation radius in your costmap configuration.Long Answer: At first glance, parameter min 2023-03-08 ROS QA #转载
ROS-melodic在catkin build时报错catkin: command not found ROS-melodic在catkin build时报错catkin: command not found解决方法1sudo apt-get install ros-melodic-catkin python-catkin-tools 2023-03-04 slam > ROS #原创
解决ubuntu在apt-get install时出错Could not get lock /var/lib/dpkg/lock-frontend sudo apt-get install 时会报错12E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is 2023-03-03 Linux #原创
gazebo打不开一直卡在Preparing your world 问题描述在运行某些程序的功能包的时候,gazebo启动的时候会一直卡在”Preparing your world”,然后就一直不动了,这是由于gazebo在下载某些模型导致的,多等上一会,或者执行下面的命令手动把模型下全,如果还是不能打开那说明要下载的模型不在这个列表里面,知道这个模型是什么可以去手动下载,如果不知道的话就只有多等一会看能不能下完打开了。 解决办法123cd ~/.gazebo/g 2023-03-03 slam > gazebo #转载
ROS-melodic升级gazebo11 卸载Gazebo9123sudo apt-get remove ros-melodic-gazebo*sudo apt-get remove libgazebo*sudo apt-get remove gazebo* 安装Gazebo111sudo sh -c 'echo "deb http://packages.osrfoundation.org/gazebo/ubuntu- 2023-03-03 slam > gazebo #转载
opencv形态学处理morphologyEx 1234int morph_elem = 0;cv::Mat element = cv::getStructuringElement( morph_elem, cv::Size( 3, 3 ), cv::Point( -1, -1 ) );cv::Mat dst;cv::morphologyEx( src, dst, 3, element ); 2023-02-22 opencv #原创
c++中fillPoly函数使用 fillPoly函数需要二维嵌套std::vector<std::vector<cv::Point>>ppts;否则无法正常使用。若使用std::vector<cv::Point> pts会导致程序中断,但不会在编译器中报错。123456cv::Mat image = cv::Mat::ones(512, 512, CV_8UC3)std::vector< 2023-02-22 opencv #原创
刚体位姿 MathJax.Hub.Config({ tex2jax: { skipTags: ['script', 'noscript', 'style', 'textarea', 'pre'], inlineMath: [['$','$']] } }); 2023-02-21 机器人运动控制 #原创
差速底盘机器人运动分析 MathJax.Hub.Config({ tex2jax: { skipTags: ['script', 'noscript', 'style', 'textarea', 'pre'], inlineMath: [['$','$']] } }); 2023-02-19 机器人运动控制 #原创
线速度与角速度之间的关系 MathJax.Hub.Config({ tex2jax: { skipTags: ['script', 'noscript', 'style', 'textarea', 'pre'], inlineMath: [['$','$']] } }); 2023-02-18 机器人运动控制 #原创
Linux使用find统计代码行数 Linux一行代码统计项目代码行数1find . -name "*.cpp" -or -name "*.cc" -or -name "*.h" -or -name "*.hpp" |xargs cat|wc -l 2023-02-17 Linux #原创
ubuntu18.04中ROS版本为melodic环境安装cartographer 1.安装环境本文是在ubuntu18.04下重新安装了melodic,然后成功安装并运行了cartographer 2.依赖安装按照cartographer的官网提供的依赖安装12345678910111213141516171819# Install the required libraries that are available as debs.sudo apt-get updatesudo 2023-02-17 slam > cartographer #转载
rosdepc安装 rosdep更新失败,使用rosdepc,原文在这https://www.guyuehome.com/35408 安装使用12345sudo pip install rosdepcsudo apt-get install python-pip sudo pip install rosdepcsudo rosdepc initrosdepc update 2023-02-17 软件安装 #转载
ubuntu下安装glog并修改源码打印自定义logo 1.下载源码https://github.com/google/glog 2.解压glog-masterunzip xxx.zip/tar -zxvf xxx.tar.gz 3.编译123456cd glog-mastermkdir buildcd buildcmake ..makesudo make install 4.生成logo代码kalvin在线把logo转换成ACSII 5.kalvin 2023-02-14 软件安装 #原创
Hello World Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Quick 2023-02-13