2012:Shooter and Collector - Revision history

Heydowns at 20:35, 24 January 2012

2012-01-24T20:35:30Z

← Older revision		Revision as of 13:35, 24 January 2012
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	= Shooter and Collector Master Task List =		= Shooter and Collector Master Task List =

			{\| style="width: 90%" border="1" cellpadding="1" cellspacing="1"
			\|-
			! Task
			! Student
			! Mentor
			\|-
			\| Determine camera height needed to see basket targets from back of key over 6 ft robot near us when facing basket.
			\| ''Need student''
			\| Jeff or Mr. Byers
			\|-
			\| ''Strategic'' Decide which side of robot turret "deadzone" will be on
			\| ''Need strategy-tied student''
			\| Jeff
			\|-
			\| Determine all sensors (shooter, turret, wings), document them on Shooter team design page, and order
			\| ''Need student''
			\| Daves, Jeff
			\|-
			\| Update battery mounting unit to remove compressor and to mount on back-side above frame rather than below<br/>
			\| Tommy
			\| Daves, Jeff
			\|-
			\| Start CAD model of electrical components/board
			\| ''Need student''
			\| Daves, Jeff
			\|-
			\| Define class structure for "smart" shooter class
			\| Peter
			\| Jeff, Mr. Byers
			\|-
			\| <br/>
			\| <br/>
			\| <br/>
			\|}

	= Shooter Design =		= Shooter Design =

	*Turret-mounted		*Turret-mounted
	**Approx. 280 degrees of rotation minimum <span style="color: red;">need final range</span>		**Approx. 280 degrees of rotation minimum <span style="color: red">need final range</span>
	**1-degree precision		**1-degree precision
	**Mechanical hardstops		**Mechanical hardstops
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	**Sensor for RPM on each		**Sensor for RPM on each
	***Provide sufficient resolution for rapid speed control update		***Provide sufficient resolution for rapid speed control update
	***<span style="color: red;">Identify sensor characteristics</span>		***<span style="color: red">Identify sensor characteristics</span>
	***If max ball velocity is 12m/s and if shooter wheel diameter is 6", then approx max rpm is 1500.		***If max ball velocity is 12m/s and if shooter wheel diameter is 6", then approx max rpm is 1500.

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	*Fixed position within frame, as close to perimeter as possible		*Fixed position within frame, as close to perimeter as possible
	*1 speed forward, 1 speed reverse		*1 speed forward, 1 speed reverse
	*Driven from a relay		*Driven from a relay
	*Pushes balls in and on to first conveyor section		*Pushes balls in and on to first conveyor section
	*Banebots RS-775 motor		*Banebots RS-775 motor
	*Banebots P60 4-to-1 transmission, geared down 2-to-1 for total of 8-to-1		*Banebots P60 4-to-1 transmission, geared down 2-to-1 for total of 8-to-1



Line 54:		Line 89:
	*Absolute positional sensor		*Absolute positional sensor
	*Limit switches on both ends		*Limit switches on both ends



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	**Banner-style sensor at the very inside-edge to indicate that "this ball has advanced fully in this stage"		**Banner-style sensor at the very inside-edge to indicate that "this ball has advanced fully in this stage"
	*Additional banner-style very close to intake end (just past beater bar contact point) to count balls and know when we can stop intake on beater bar		*Additional banner-style very close to intake end (just past beater bar contact point) to count balls and know when we can stop intake on beater bar

Heydowns at 18:15, 24 January 2012

2012-01-24T18:15:53Z

← Older revision		Revision as of 11:15, 24 January 2012
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			= Shooter and Collector Master Task List =


	= Shooter Design =		= Shooter Design =

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	*[http://www.grc.nasa.gov/WWW/k-12/airplane/foil3.html Foil Sim III] - Air flow simulator; useful for approximating drag effects on a ball		*[http://www.grc.nasa.gov/WWW/k-12/airplane/foil3.html Foil Sim III] - Air flow simulator; useful for approximating drag effects on a ball
	*[http://penfieldrobotics.com/wiki/index.php?title=File:2012_MotorInfoRevised.pdf Motor Specs from FIRST]		*[http://penfieldrobotics.com/wiki/index.php?title=File:2012_MotorInfoRevised.pdf Motor Specs from FIRST]

	~~= Shooter and Collector Master Task List =~~

	= Shooter and Collector's Engineering Notebook =		= Shooter and Collector's Engineering Notebook =

ElectricalMain at 02:01, 24 January 2012

2012-01-24T02:01:27Z

← Older revision		Revision as of 19:01, 23 January 2012
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	= Shooter Design =		= Shooter Design =

	*Turret-mounted		*Turret-mounted
	**Approx. 280 degrees of rotation minimum <span style="color: red">need final range</span>		**Approx. 280 degrees of rotation minimum <span style="color: red;">need final range</span>
	**1-degree precision		**1-degree precision
	**Mechanical hardstops		**Mechanical hardstops
Line 11:		Line 11:
	**Controlled by speed controller (needed for fine adjustment)		**Controlled by speed controller (needed for fine adjustment)

	*2-Wheel shooter		*2-Wheel shooter
	**Must be able to impart backspin		**Must be able to impart backspin
	**Fixed angle of shot -- approximately 70 degrees above floor		**Fixed angle of shot -- approximately 70 degrees above floor
Line 17:		Line 17:
	**Powered by Fisher-Price (968-9013) motor on speed controllers		**Powered by Fisher-Price (968-9013) motor on speed controllers
	**Transmission -- AM-0002		**Transmission -- AM-0002
	**Sensor for RPM on each		**Sensor for RPM on each
	***Provide sufficient resolution for rapid speed control update		***Provide sufficient resolution for rapid speed control update
	***<span style="color: red">Identify sensor characteristics</span>		***<span style="color: red;">Identify sensor characteristics</span>
			***If max ball velocity is 12m/s and if shooter wheel diameter is 6", then approx max rpm is 1500.

	*Camera mounted on turret		*Camera mounted on turret
	**Must have direct light source inline with lens		**Must have direct light source inline with lens
	**Must be able to tilt; does not need to be able to pan		**Must be able to tilt; does not need to be able to pan
	**Higher is better to see over robots in front of us		**Higher is better to see over robots in front of us

	~~[[2012:Shooter and Collector Camera]]~~

	= Beater Bar Design =		= Beater Bar Design =

Mechanical1 at 00:18, 23 January 2012

2012-01-23T00:18:57Z

← Older revision		Revision as of 17:18, 22 January 2012
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	*Camera mounted on turret		*Camera mounted on turret
	**Must have direct light source inline with lens		**Must have direct light source inline with lens
	**Must be able to tilt		**Must be able to tilt; does not need to be able to pan
	**Higher is better to see over robots in front of us		**Higher is better to see over robots in front of us
	**<span style="color: red">Do we need pan? </span>

	[[2012:Shooter and Collector Camera]]		[[2012:Shooter and Collector Camera]]

Mechanical1 at 00:17, 23 January 2012

2012-01-23T00:17:35Z

← Older revision		Revision as of 17:17, 22 January 2012
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	*Fixed position within frame, as close to perimeter as possible		*Fixed position within frame, as close to perimeter as possible
	*1 speed forward, 1 speed reverse ~~(<span style="color: red">full speed? can use~~ relay~~?</span>)~~		*1 speed forward, 1 speed reverse
			*Driven from a relay
	*Pushes balls in and on to first conveyor section		*Pushes balls in and on to first conveyor section
	*Banebots RS-775 motor		*Banebots RS-775 motor
Line 62:		Line 63:
	**1 Banebots RS-775 motors [http://banebots.com/p/M7-RS775-18]		**1 Banebots RS-775 motors [http://banebots.com/p/M7-RS775-18]
	**Coupled to Banebots P60 16-to-1 transmissions [http://banebots.com/pc/P60K-S7/P60K-44-0007]		**Coupled to Banebots P60 16-to-1 transmissions [http://banebots.com/pc/P60K-S7/P60K-44-0007]
			**Controlled by Speed Controllers (could have been SPIKEs, but would be nice to be able to slow them for diagnostics)
	**Banner-style sensor at the very inside-edge to indicate that "this ball has advanced fully in this stage"		**Banner-style sensor at the very inside-edge to indicate that "this ball has advanced fully in this stage"
	*Additional banner-style very close to intake end (just past beater bar contact point) to count balls and know when we can stop intake on beater bar		*Additional banner-style very close to intake end (just past beater bar contact point) to count balls and know when we can stop intake on beater bar

Mechanical1 at 22:40, 22 January 2012

2012-01-22T22:40:41Z

← Older revision		Revision as of 15:40, 22 January 2012
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	**Mechanical hardstops		**Mechanical hardstops
	**Absolute angular position sensor		**Absolute angular position sensor
			***Combination sensors - one on motor output shaft, one on turrent drive sprocket
	**Kit Window motor		**Kit Window motor
	**Geared down 48:188		**Geared down 48:188
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	*2-Wheel shooter		*2-Wheel shooter
	**Must be able to impart backspin		**Must be able to impart backspin
	**Fixed angle of shot -- approximately ~~60-~~70 degrees above floor		**Fixed angle of shot -- approximately 70 degrees above floor
	**Each wheel independently controlled (to control backspin)		**Each wheel independently controlled (to control backspin)
	**Powered by Fisher-Price (968-9013) motor on speed controllers		**Powered by Fisher-Price (968-9013) motor on speed controllers

Mechanical1 at 22:24, 22 January 2012

2012-01-22T22:24:33Z

← Older revision		Revision as of 15:24, 22 January 2012
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	**Kit Window motor		**Kit Window motor
	**Geared down 48:188		**Geared down 48:188
	**~~<span style="color: red">Need power~~ controller~~</span>~~		**Controlled by speed controller (needed for fine adjustment)

	*2-Wheel shooter		*2-Wheel shooter

Mechanical1 at 21:38, 22 January 2012

2012-01-22T21:38:05Z

← Older revision		Revision as of 14:38, 22 January 2012
Line 6:		Line 6:
	**Mechanical hardstops		**Mechanical hardstops
	**Absolute angular position sensor		**Absolute angular position sensor
	**Window motor		**Kit Window motor
			**Geared down 48:188
	**<span style="color: red">Need power controller</span>		**<span style="color: red">Need power controller</span>

Line 13:		Line 14:
	**Fixed angle of shot -- approximately 60-70 degrees above floor		**Fixed angle of shot -- approximately 60-70 degrees above floor
	**Each wheel independently controlled (to control backspin)		**Each wheel independently controlled (to control backspin)
	**Powered by Fisher-Price motor on speed controllers		**Powered by Fisher-Price (968-9013) motor on speed controllers
			**Transmission -- AM-0002
	**Sensor for RPM on each		**Sensor for RPM on each
	***Provide sufficient resolution for rapid speed control update		***Provide sufficient resolution for rapid speed control update

Mechanical1 at 17:42, 22 January 2012

2012-01-22T17:42:29Z

← Older revision		Revision as of 10:42, 22 January 2012
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	**Geared down 2-to-1 for additional torque (2-to-1 gives stall torque of 6200 oz-lbs = 380 inch-lbs)		**Geared down 2-to-1 for additional torque (2-to-1 gives stall torque of 6200 oz-lbs = 380 inch-lbs)
	**2-to-1 gearing gives unloaded single-actuation of about 0.433 sec '''unloaded'''		**2-to-1 gearing gives unloaded single-actuation of about 0.433 sec '''unloaded'''
			**Loaded (bridge) actuation is about 0.525 seconds
	*Mechanical hard-stops		*Mechanical hard-stops
	*Absolute positional sensor		*Absolute positional sensor

Mechanical1 at 17:40, 22 January 2012

2012-01-22T17:40:00Z

← Older revision		Revision as of 10:40, 22 January 2012
Line 31:		Line 31:
	*1 speed forward, 1 speed reverse (<span style="color: red">full speed? can use relay?</span>)		*1 speed forward, 1 speed reverse (<span style="color: red">full speed? can use relay?</span>)
	*Pushes balls in and on to first conveyor section		*Pushes balls in and on to first conveyor section
	*Banebots RS-775 motor ~~(<span style="color: red">need gearing</span>)~~		*Banebots RS-775 motor
			*Banebots P60 4-to-1 transmission, geared down 2-to-1 for total of 8-to-1


	= Wings/V-collector Design =		= Wings/V-collector Design =