怎样高效地报告Bug

Summary

  • The first aim of a bug report is to let the programmer see the failure with their own eyes. If you can't be with them to make it fail in front of them, give them detailed instructions so that they can make it fail for themselves.
  • In case the first aim doesn't succeed, and the programmer can't see it failing themselves, the second aim of a bug report is to describe what went wrong. Describe everything in detail. State what you saw, and also state what you expected to see. Write down the error messages, especially if they have numbers in.
  • When your computer does something unexpected, freeze. Do nothing until you're calm, and don't do anything that you think might be dangerous.
  • By all means try to diagnose the fault yourself if you think you can, but if you do, you should still report the symptoms as well.
  • Be ready to provide extra information if the programmer needs it. If they didn't need it, they wouldn't be asking for it. They aren't being deliberately awkward. Have version numbers at your fingertips, because they will probably be needed.
  • Write clearly. Say what you mean, and make sure it can't be misinterpreted.
  • Above all, be precise. Programmers like precision.

  作者想要传授的技巧简单说来就只有“详细”两个字,我们能够准确地描述出问题所在,程序开发者们才能有更多的精力去解决Bug而不是寻找Bug。

 

  https://www.chiark.greenend.org.uk/~sgtatham/bugs.html

转载于:https://www.cnblogs.com/AbsolutelyPerfect/p/8452075.html

资源下载链接为: https://pan.quark.cn/s/790f7ffa6527 在一维运动场景中,小车从初始位置 x=-100 出发,目标是到达 x=0 的位置,位置坐标 x 作为受控对象,通过增量式 PID 控制算法调节小车的运动状态。 系统采用的位置迭代公式为 x (k)=x (k-1)+v (k-1) dt,其中 dt 为仿真过程中的恒定时间间隔,因此速度 v 成为主要的调节量。通过调节速度参数,实现对小车位置的精确控制,最终生成位置 - 时间曲线的仿真结果。 在参数调节实验中,比例调节系数 Kp 的影响十分显著。从仿真曲线可以清晰观察到,当增大 Kp 值时,系统的响应速度明显加快,小车能够更快地收敛到目标位置,缩短了稳定时间。这表明比例调节在加快系统响应方面发挥着关键作用,适当增大比例系数可有效提升系统的动态性能。 积分调节系数 Ki 的调节则呈现出不同的特性。实验数据显示,当增大 Ki 值时,系统运动过程中的波动幅度明显增大,位置曲线出现更剧烈的震荡。但与此同时,小车位置的变化速率也有所提高,在动态调整过程中能够更快地接近目标值。这说明积分调节虽然会增加系统的波动性,但对加快位置变化过程具有积极作用。 通过一系列参数调试实验,清晰展现了比例系数和积分系数在增量式 PID 控制系统中的不同影响规律,为优化控制效果提供了直观的参考依据。合理匹配 Kp 和 Ki 参数,能够在保证系统稳定性的同时,兼顾响应速度和调节精度,实现小车位置的高效控制。
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