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Author Topic: Simoscopy  (Read 24467 times)

Offline webby1

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Re: Simoscopy
« Reply #75 on: March 23, 2016, 02:39:48 PM »
New build using the same "concept" but different.

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Re: Simoscopy
« Reply #75 on: March 23, 2016, 02:39:48 PM »

Offline webby1

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Re: Simoscopy
« Reply #76 on: March 23, 2016, 04:19:58 PM »
Here is a screenshot of the power graph.

I ran it with the constant torque motor set to 10 and then -10

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Offline webby1

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Re: Simoscopy
« Reply #77 on: March 23, 2016, 09:59:27 PM »
I am trying to blow up the sim and find any errors that it may have,, so I increased the forces and masses for this run,, it looks like it follows my other runs but with this size of mass and forces it looks nifty :)

The orange graph line is what I am using for my input,, I set it up so I can pulse the input and the blue graph line is what I am using for the output.

In this setup I have the 2 motors fixed and then there is pin joint 59,, the only other fixed point.

The Fy is 8.387e+004,, it is blurry in the pic.

Offline webby1

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Re: Simoscopy
« Reply #78 on: March 24, 2016, 02:00:50 PM »
Since I can not find an error with this sim I made a few changes,, and I set it up so that it will self oscillate,, that is it automagically turns the motors on and off by itself so that it will cycle by just hitting the run button.

This is a full run on a lower frame count and covers several cycles and since the output is by a constant torque and the input is by a constant velocity there is no change in amplitude or frequency.

This shows a large gain in output compared to input.

I need to change the sim further so that it reflects what I have to build it with,, not the size but the parts I have to use.

I am also going to try and increase the frame count to get only 1 full cycle,, not so much the off time while the system is resetting because that is a conservative motion.


Offline webby1

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Re: Simoscopy
« Reply #79 on: March 24, 2016, 02:41:05 PM »
Here are 2 runs, single power cycle.

I will run it a few more times at this frame count and then take a data dump.

They show close numbers for the gain.

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Re: Simoscopy
« Reply #79 on: March 24, 2016, 02:41:05 PM »
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Offline webby1

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Re: Simoscopy
« Reply #80 on: March 24, 2016, 03:58:17 PM »
This is several cycles later,, I lost count.

Offline webby1

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Re: Simoscopy
« Reply #81 on: March 24, 2016, 05:18:46 PM »
and yet another run later on,,

This is so close to the previous,,

and showing 125% is above the range I have for myself,, and the error range I gave for the calculations.

Free Energy | searching for free energy and discussing free energy

Re: Simoscopy
« Reply #81 on: March 24, 2016, 05:18:46 PM »
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Offline webby1

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Re: Simoscopy
« Reply #82 on: March 24, 2016, 05:33:57 PM »
Here is a pic of the power graph for the run right after the 4th dump.

You will see at the start where the spring block is putting the force that is stored in the spring blocks from the reset,, the flywheel mass hits a spring block at the end of the output cycle, stores most of that energy and then sends the flywheel spinning backwards against no motor force and hits another spring block and that one sends it back the other way.

So,, you can see at the start where the spring block is putting in the stored potential,, then at the end you can see where the input is adding a little more into the spring block that stops the flywheel.

If I was so inclined I could try and tailor the on and off times better,, but why?? I don't need to since the sim clearly shows the gain.

Offline webby1

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Re: Simoscopy
« Reply #83 on: March 24, 2016, 09:40:24 PM »
So here are a few more cycles,,

I think running this for as long as I have should show that at least the sim is stable.

Offline webby1

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Re: Simoscopy
« Reply #84 on: March 25, 2016, 06:14:52 AM »
Made a change and came up with this,, this is 5 cycles at a lower accuracy via less frames per cycle,,

2:1 is better :)

Free Energy | searching for free energy and discussing free energy

Re: Simoscopy
« Reply #84 on: March 25, 2016, 06:14:52 AM »
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Offline webby1

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Re: Simoscopy
« Reply #85 on: March 25, 2016, 03:43:07 PM »
made another change and got this.

12 cycles are captured.

Offline webby1

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Re: Simoscopy
« Reply #86 on: March 25, 2016, 08:01:48 PM »
So that one gives 4982J/sec free,,

I have been tweaking with things and got more out,, but the increase in out also raised the input cost almost as much as the increase in out.

This whole thing is a fine balance of angles, mass, acceleration and resistance, aka output torque.

I think it would take a real ME to figure out what would be what for a given setup,, that is if you want so much out then you would need to do this,,

That is way above my pay-grade :)

I guess I will take what I have and try and build it,, after all,, that is the only way to prove if the sim is right or messed up.


Offline webby1

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Re: Simoscopy
« Reply #87 on: March 25, 2016, 11:15:44 PM »
Digging up what I have to build with,, I have a flywheel that is 1.82kg and 145mm diameter,, so with that I set the sim scaled up 110X to match with those,,, so these numbers should be 110 times larger than what the build can do,, unless the resistance, aka torque out,, can be raised higher with the same increase in input of course,,

Offline webby1

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Re: Simoscopy
« Reply #88 on: March 26, 2016, 04:48:28 PM »
Slowly getting an understanding of what I am playing with,, and with what I have to build I tried a small tweak to the sim still keeping it scaled to what I can build,, and also turning on air resistance to low,, I am going to turn gravity on but the rendering time goes way up so it will take a while to render,, so that will be a run with friction and gravity,, should be fun :)

Here is the first run with the air resistance turned on,, it is only 525%

ETA:

I just crunched the numbers from a second run with air,, and it was very close to the first, a little better actually.

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Offline webby1

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Re: Simoscopy
« Reply #89 on: March 26, 2016, 07:22:03 PM »
That took a while :)

I had to make small adjustments to stop the system from increasing in amplitude to the point of error,, only on the reset swing by the way.

So this run is with the air set to high,, I increased the output torque and changed one spring rest length a little bit longer.

All this dropped the output down to only 468%

Free Energy | searching for free energy and discussing free energy

Re: Simoscopy
« Reply #89 on: March 26, 2016, 07:22:03 PM »

 

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