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使用Python进行液压缸模拟 |
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请不要编写与Python无关的主题和关于此主题的模拟。
我的帖子将按照承诺提供RMC项目。 http://deltamotion.com/peter/Videos/FlyingShear/FlyingShear.zip http://deltamotion.com/peter/Vid ... mpleFlyingShear.zip 您无法运行这些文件,但可以打开它们。 忽略错误。 | |
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a = F/m
a = (Pa*Aa-Pb*Ab)/m |
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行者hydraulic 发表于 2018-6-8 01:21 不要混淆执行器和阀门的开环增益。 执行器的开环增益取决于系统压力。 这就是为什么使用蓄能器应该保持系统压力恒定的原因。 我有一个0 811 404 803用于制作视频。 如果我增加系统压力,我的液压执行机构将移动超过1米/秒。 我的液压缸直径只有50毫米,杆径约38毫米。 请注意,根据频率的不同,带宽有所不同。 我与博世力士乐博士的工程师谈了这件事。 他说这是由于有限的线轴速度。 我总是使用+/- 90%进行计算 Do not confuse the open loop gain of the actuator and the valve. The open loop gain for the actuator depends a lot on the system pressure. This is why the system pressure should be kept constant using accumulators. I have a 0 811 404 803 I use for making videos. My hydraulic actuator will move over 1 m/s if I increase the system pressure. My hydraulic cylinder diameter is only 50mm and the rod diamter is about 38mm. Notice that there is a difference in the bandwidth depending on the frequency. I talked to a Bosch-Rexroth Phd engineer about this. He said it is due to limited spool speed. I always use the +/- 90% for calculations. | |
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a = F/m
a = (Pa*Aa-Pb*Ab)/m |
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Thanks a lot. It's a good way to learn both close loop control methods and python.
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这才是真正的液压控制技术
点评
简单问题复杂化,电动缸、EHA就没有这些麻烦事。数字液压就像电动缸一样简单,所以也没有了这些麻烦事。
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PEN 发表于 2018-2-3 03:32 Peter, hello, through your sharing, I have a great interest and curiosity about this kind of control concept. Can you provide python code with speed feed forward? | |
back2049 发表于 2018-2-1 13:14 请问您能提供关于速度前馈的代码吗,我刚接触python 功底还不够 恳请大神指教 | |
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我以为前馈代码是在python代码中。
我会尽快检查。 | |
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a = F/m
a = (Pa*Aa-Pb*Ab)/m |
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我检查过,python代码有前馈。
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PEN 发表于 2019-3-20 22:30 Mr.Pen, very thanks for your python code, but i only find P,PI,PID methods in closedloop class,except feedforward method. | |
PEN 发表于 2019-3-20 22:30 Mr.Pen, very tanks for your python code, but i only find P,PI,PID methods in closedloop class,except feedforward method. | |

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