Soil Mixer 2019/Controller - Revision history

Aidan Williamson: /* Hydraulic Circuit Simulation */

2019-12-28T15:01:23Z

Hydraulic Circuit Simulation

← Older revision		Revision as of 15:01, 28 December 2019
Line 65:		Line 65:
	Older simulations: [[/Hydraulic Simulation Archive]]		Older simulations: [[/Hydraulic Simulation Archive]]

	{\|		{\|class="wikitable"
	!Production-Ready Circuit		!Production-Ready Circuit
			\|-
			\|<html><video controls loop src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%2012-24-1.webm" height="100%" width="100%"></video></html>
			\|-
	!Stepping Through This Circuit		!Stepping Through This Circuit
			!Automated For Viewing Convenience
	\|-		\|-
	~~\|<html><video controls loop src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%2012-24-1.webm" height="480" width="640"></video></html>~~
	\|{{YoutubePopup\|mH2onJqJIl8\|big}}		\|{{YoutubePopup\|mH2onJqJIl8\|big}}
			\|{{YoutubePopup\|xVSR72DBsYI\|big}}
			\|-
			\|Manually stepping through circuit with narration
			\|Automated, silent. Cylinder switched using pressure switch
	\|}		\|}

Aidan Williamson: /* Hydraulic Circuit Simulation */

2019-12-26T18:07:43Z

Hydraulic Circuit Simulation

← Older revision		Revision as of 18:07, 26 December 2019
Line 60:		Line 60:
	===20Nm Load on Motor===		===20Nm Load on Motor===
	20nm load derived on mixer main page in design review section		20nm load derived on mixer main page in design review section

			Download Circuit: [[File:SoilMixerFluidSIMCircuits.zip]]

	Older simulations: [[/Hydraulic Simulation Archive]]		Older simulations: [[/Hydraulic Simulation Archive]]

	~~'''~~Production-Ready Circuit~~:'''<br/>~~		{\|
	<html><video controls loop src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%2012-24-1.webm" height="480" width="640"></video></html>		!Production-Ready Circuit
			!Stepping Through This Circuit
			\|-
			\|<html><video controls loop src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%2012-24-1.webm" height="480" width="640"></video></html>
			\|{{YoutubePopup\|mH2onJqJIl8\|big}}
			\|}

Aidan Williamson: /* Hydraulic Circuit Simulation */

2019-12-24T18:03:08Z

Hydraulic Circuit Simulation

@@ Line 63: / Line 63: @@
 Older simulations: [[/Hydraulic Simulation Archive]]
-{|
+'''Production-Ready Circuit:'''<br/>
-|+style="font-size:150%"|'''Soil Mixer Circuit Simulations'''
+<html><video controls loop src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%2012-24-1.webm" height="480" width="640"></video></html>

Aidan Williamson: /* 20Nm Load on Motor */

2019-12-21T06:35:24Z

20Nm Load on Motor

← Older revision		Revision as of 06:35, 21 December 2019
Line 81:		Line 81:
	\|-		\|-
	\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Flow%20Control%20Motor-1.webm" type="video/webm"></video></html>		\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Flow%20Control%20Motor-1.webm" type="video/webm"></video></html>
	\|		\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Long%20But%20Good-1.webm" type="video/webm"></video></html>
	\|-		\|-
	\|Put the motor in parallel with the cylinder valve put put a flow control on the motor to force flow to the cylinder. This may cause too much heat for the flow control.		\|Put the motor in parallel with the cylinder valve put put a flow control on the motor to force flow to the cylinder. This may cause too much heat for the flow control.
	\|The flow control valve is shows to have its limitations when the motor gets loaded. The cylinder is a low pressure path for the fluid when the motor is loaded.		\|The flow control valve is shows to have its limitations when the motor gets loaded. The cylinder is a low pressure path for the fluid when the motor is loaded.
	\|}		\|}

Aidan Williamson: /* Hydraulic Circuit Simulation */

2019-12-21T05:27:54Z

Hydraulic Circuit Simulation

← Older revision		Revision as of 05:27, 21 December 2019
Line 78:		Line 78:
	\|-		\|-
	!Series Circuit with Flow Control		!Series Circuit with Flow Control
			!Series Circuit with Flow Control vs Sequence Valve Circuit - Response to Motor Load
	\|-		\|-
	\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Flow%20Control%20Motor-1.webm" type="video/webm"></video></html>		\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Flow%20Control%20Motor-1.webm" type="video/webm"></video></html>
			\|
	\|-		\|-
	\|Put the motor in parallel with the cylinder valve put put a flow control on the motor to force flow to the cylinder. This may cause too much heat for the flow control.		\|Put the motor in parallel with the cylinder valve put put a flow control on the motor to force flow to the cylinder. This may cause too much heat for the flow control.
			\|The flow control valve is shows to have its limitations when the motor gets loaded. The cylinder is a low pressure path for the fluid when the motor is loaded.
	\|}		\|}

Aidan Williamson: /* Hydraulic Circuit Simulation */

2019-12-21T02:28:44Z

Hydraulic Circuit Simulation

← Older revision		Revision as of 02:28, 21 December 2019
Line 59:		Line 59:

	===20Nm Load on Motor===		===20Nm Load on Motor===
	~~Check out these videos first.~~ 20nm load derived on mixer main page in design review section		20nm load derived on mixer main page in design review section

	Older simulations: [[/Hydraulic Simulation Archive]]		Older simulations: [[/Hydraulic Simulation Archive]]
Line 76:		Line 76:
	\|Whereas the third circuit has difficulty retracting the cylinder under heavy motor loads, this circuit has no such condition. Flow rate through motor significantly decreased when cylinder is traveling as all cylinder flow is lost to tank.		\|Whereas the third circuit has difficulty retracting the cylinder under heavy motor loads, this circuit has no such condition. Flow rate through motor significantly decreased when cylinder is traveling as all cylinder flow is lost to tank.
	\|If the motor is loaded more than 20Nm(maybe 40Nm, the cylinder cannot retract. I'm not entirely sure why this is yet. If the motor is loaded at 20Nm then the circuit behaves well and all flow from cylinder goes to motor during cylinder travel.		\|If the motor is loaded more than 20Nm(maybe 40Nm, the cylinder cannot retract. I'm not entirely sure why this is yet. If the motor is loaded at 20Nm then the circuit behaves well and all flow from cylinder goes to motor during cylinder travel.
			\|-
			!Series Circuit with Flow Control
			\|-
			\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Flow%20Control%20Motor-1.webm" type="video/webm"></video></html>
			\|-
			\|Put the motor in parallel with the cylinder valve put put a flow control on the motor to force flow to the cylinder. This may cause too much heat for the flow control.
	\|}		\|}

Aidan Williamson: /* Hydraulic Circuit Simulation */

2019-12-20T15:10:43Z

Hydraulic Circuit Simulation

← Older revision		Revision as of 15:10, 20 December 2019
Line 60:		Line 60:
	===20Nm Load on Motor===		===20Nm Load on Motor===
	Check out these videos first. 20nm load derived on mixer main page in design review section		Check out these videos first. 20nm load derived on mixer main page in design review section

			Older simulations: [[/Hydraulic Simulation Archive]]

	{\|		{\|
	\|+style="font-size:150%"\|'''Soil Mixer Circuit Simulations'''		\|+style="font-size:150%"\|'''Soil Mixer Circuit Simulations'''

Aidan Williamson: /* Old Crappy Hydraulic Simulations */ - moving to another page

2019-12-20T15:08:14Z

Old Crappy Hydraulic Simulations: - moving to another page

← Older revision		Revision as of 15:08, 20 December 2019
Line 74:		Line 74:
	\|If the motor is loaded more than 20Nm(maybe 40Nm, the cylinder cannot retract. I'm not entirely sure why this is yet. If the motor is loaded at 20Nm then the circuit behaves well and all flow from cylinder goes to motor during cylinder travel.		\|If the motor is loaded more than 20Nm(maybe 40Nm, the cylinder cannot retract. I'm not entirely sure why this is yet. If the motor is loaded at 20Nm then the circuit behaves well and all flow from cylinder goes to motor during cylinder travel.
	\|}		\|}

	~~==Old Crappy Hydraulic Simulations==~~
	~~===12/19/2019 (Getting Better Models)===~~
	{\|
	~~\|+style="font-size:150%\|'''Cylinder/Motor Circuits with Gear Pump'''~~
	~~!Series Circuit - 2500PSI Bypass Valve~~
	~~!Sequence Valve Circuit 1 Open Center Valve~~
	~~!Sequence Valve Circuit 2 Closed Center Valve~~
	\|-
	\|<html><video width="100%" height="100%" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%202500Psi%20Main%20Bypass%20Valve-1.webm" type="video/webm"></video></html>
	\|<html><video width="100%" height="100%" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Sequence%20Valve%20Circuit%201000Psi%20Open%20Center%20Valve-1.webm" type="video/webm"></video></html>
	\|<html><video width="100%" height="100%" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Sequence%20Valve%20Circuit%201000Psi-1.webm" type="video/webm"></video></html>
	\|-
	~~\|Motor gets no flow when cylinder bottoms out~~
	~~\|1000PSI Sequence Valve Setting~~
	~~\|1000PSI Sequence Valve Setting~~
	\|-
	\|-
	~~!Sequence Valve Circuit- Changing Variables~~
	~~!Sequence Valve Circuits with Loaded Motor~~
	~~!Series Circuit with Loaded Motor~~
	\|-
	\|<html><video width="100%" height="100%" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Changing%20A%20Sequence%20Valve%20Circuit-1.webm" type="video/webm"></video></html>
	\|<html><video width="100%" height="100%" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Loaded%20Motor%20Sequence%20Valve-1.webm" type="video/webm"></video></html>
	\|<html><video width="100%" height="100%" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%20Loaded%20Motor-1.webm"></video></html>
	\|-
	\|
	~~\|In this video the sequence valve is set to ~500psi and I change parameters in the circuit including external torque on motor.~~
	\|Sorry about the audio. Interesting results. The load on the motor may be low because the hammers pivot out of the way. I'm not sure how to go about calculating it but I could figure out the minimum diameter of the rotor (hammers pivoted) and start there.
	\|}

	~~===12/18/2019 (Lesser Quality Models)===~~
	~~Using demo version of FluidSIM~~

	{\|
	~~\|+style="font-size:150%\|'''Series Circuits'''~~
	~~!Series Circuit with three way flow controller on motor~~
	~~!With flow (q) and pressure (p) during the simulation~~
	\|-
	\|<html><video width="100%" height="100%" loop controls muted><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%201-1.webm" type="video/webm"></video></html>
	\|<html><video width="100%" height="100%" loop controls mute><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%202-1.webm" type="video/webm"></video></html>
	\|}

	{\|
	~~\|+style="font-size:150%\|'''Sequence Valve Circuits'''~~
	~~!Using a pressure relief valve in the simulator as a sequence valve.~~
	~~!Outlet from cylinder valve is plumbed through a check valve to motor.~~
	!
	!
	\|-
	\|<html><video width="100%" height="100%" loop controls mute><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Mixer%20Sequence%20Valve%20Circuit%201-1.webm" type="video/webm"></video></html>
	\|<html><video width="100%" height="100%" loop controls mute><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Mixer%20Sequence%20Valve%20-%20check%20valve.webm"></video></html>
	\|-
	~~\|high pressure remains at the pump outlet throughout simulation. something must be missing from the system or the valves aren't set right.~~
	~~\| Increases motor flow during retraction of cylinder. Interesting effect- I didn't expect it. This circuit isn't great because pump outlet pressure is constantly above 2700psi.~~
	\|}


	~~In both the above videos the setting of the two pressure relief valves changes motor speed and cylinder travel speed. I try to set it to minimize flow through main bypass valve.~~

Aidan Williamson at 15:07, 20 December 2019

2019-12-20T15:07:00Z

@@ Line 6: / Line 6: @@
 *Needs to cycle a dc motor for cement dosing
 *Water mister solenoid
 =Hydraulics=
-==Hydraulic Diagram==
+==Hydraulic Calculations==
 '''Hydraulic Cylinder Volumes.''' 2.5x12x1.25 Cylinder <br/>
 Cap End Volume:((2.5in)/2)^2 * 3.14 * 12in =58.875 cu in <br/>
@@ Line 47: / Line 48: @@
 |0.76s
 |}
 ===20Nm Load on Motor===
@@ Line 65: / Line 75: @@
 |}
 ===12/19/2019 (Getting Better Models)===
 {|
@@ Line 122: / Line 133: @@
 In both the above videos the setting of the two pressure relief valves changes motor speed and cylinder travel speed. I try to set it to minimize flow through main bypass valve.

Aidan Williamson: /* 20Nm Load on Motor */

2019-12-20T15:03:10Z

20Nm Load on Motor

← Older revision		Revision as of 15:03, 20 December 2019
Line 56:		Line 56:
	!Sequence Valve Circuit Open Center Valve		!Sequence Valve Circuit Open Center Valve
	\|-		\|-
	\|<html><video width="~~100%~~" height="~~100%~~" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/20Nm%20Series-1.webm" type="video/webm"></video></html>		\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/20Nm%20Series-1.webm" type="video/webm"></video></html>
	\|<html><video width="~~100%~~" height="~~100%~~" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/20Nm%20Sequence%20Closed%20Center-1.webm" type="video/webm"></video></html>		\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/20Nm%20Sequence%20Closed%20Center-1.webm" type="video/webm"></video></html>
	\|<html><video width="~~100%~~" height="~~100%~~" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/20Nm%20Sequence%20Open%20Center-1.webm" type="video/webm"></video></html>		\|<html><video width="350" height="350" loop controls ><source src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/20Nm%20Sequence%20Open%20Center-1.webm" type="video/webm"></video></html>
	\|-		\|-
	\|13.25 GPM through valve. Motor speed up to 4K RPM on cyl retract. When cylinder bottoms out, fluid has no path to tank and flow stops through the system.		\|13.25 GPM through valve. Motor speed up to 4K RPM on cyl retract. When cylinder bottoms out, fluid has no path to tank and flow stops through the system.