2009:Electrical 1.13.09 - Revision history

Heydowns: Electrical 1.13.09 moved to 2009:Electrical 1.13.09

2010-11-14T21:38:36Z

Electrical 1.13.09 moved to 2009:Electrical 1.13.09

← Older revision	Revision as of 14:38, 14 November 2010
(No difference)

ElectricalMain at 18:27, 14 January 2009

2009-01-14T18:27:40Z

← Older revision		Revision as of 11:27, 14 January 2009
Line 12:		Line 12:

	*Tested Banner Sensors for effectiveness with ball sensing<br>		*Tested Banner Sensors for effectiveness with ball sensing<br>
	*Seems to be a relatively low chance of a false negative<br>		*Seems to be a relatively low chance of a false negative<br>
	*False negatives can be avoided by using multiple sensors for detection of a single ball<br>		*False negatives can be avoided by using multiple sensors for detection of a single ball<br>
	*Cleaned up wiring mock board<br>		*Cleaned up wiring mock board<br>

ElectricalMain at 18:26, 14 January 2009

2009-01-14T18:26:43Z

← Older revision		Revision as of 11:26, 14 January 2009
Line 12:		Line 12:

	*Tested Banner Sensors for effectiveness with ball sensing<br>		*Tested Banner Sensors for effectiveness with ball sensing<br>
	*Seems to be a ~~very~~ low chance of a false negative<br>		*Seems to be a relatively low chance of a false negative<br>
	*False negatives can be avoided by using multiple sensors for detection of a single ball<br>		*False negatives can be avoided by using multiple sensors for detection of a single ball<br>
	*Cleaned up wiring mock board<br>		*Cleaned up wiring mock board<br>
	*Connected and extended PWM encoders on mock board<br>		*Connected and extended PWM encoders on mock board<br>
Line 55:		Line 55:
	*Does programming drive train team want to control coast/brake on speed controllers?  Does programming mechanical want to control coast/brake on speed controllers?  Account for this in the next task.		*Does programming drive train team want to control coast/brake on speed controllers?  Does programming mechanical want to control coast/brake on speed controllers?  Account for this in the next task.
	*How many digital inputs are we going to need?  Can we use only one side car?		*How many digital inputs are we going to need?  Can we use only one side car?
	*Re-crimp the 6AWG wire to the power distribution panel on the mock board.		*Re-crimp the 6AWG wire to the power distribution panel on the mock board.
	*Sean Kemp MUST upload the BOM excel file to the wiki.		*Sean Kemp MUST upload the BOM excel file to the wiki.

ElectricalMain at 18:25, 14 January 2009

2009-01-14T18:25:08Z

← Older revision		Revision as of 11:25, 14 January 2009
Line 20:		Line 20:
	----		----

	'''SENSOR BREAKDOWN:'''		'''SENSOR BREAKDOWN:'''

	'''ABSOLUTELY NECESSARY'''<br>		'''ABSOLUTELY NECESSARY'''<br>
Line 55:		Line 55:
	*Does programming drive train team want to control coast/brake on speed controllers?  Does programming mechanical want to control coast/brake on speed controllers?  Account for this in the next task.		*Does programming drive train team want to control coast/brake on speed controllers?  Does programming mechanical want to control coast/brake on speed controllers?  Account for this in the next task.
	*How many digital inputs are we going to need?  Can we use only one side car?		*How many digital inputs are we going to need?  Can we use only one side car?
			*Re-crimp the 6AWG wire to the power distribution panel on the mock board.
	*Sean Kemp MUST upload the BOM excel file to the wiki.		*Sean Kemp MUST upload the BOM excel file to the wiki.

ElectricalMain at 16:34, 14 January 2009

2009-01-14T16:34:09Z

← Older revision		Revision as of 09:34, 14 January 2009
Line 16:		Line 16:
	*Cleaned up wiring mock board<br>		*Cleaned up wiring mock board<br>
	*Connected and extended PWM encoders on mock board<br>		*Connected and extended PWM encoders on mock board<br>
	*Met with programming and various teams regarding sensor feedback.  The general consensus is to account for all sensors and remove them as we find they aren't being used.~~<br>~~		*Met with programming and various teams regarding sensor feedback.  The general consensus is to account for all sensors and remove them as we find they aren't being used.
	*'''ABSOLUTELY NECESSARY'''<br>
			----

			'''SENSOR BREAKDOWN:'''

			'''ABSOLUTELY NECESSARY'''<br>

	*Ball flipper (at top of conveyor, used to select shoot/hopper) - most likely a small shaft encoder '''TBD'''.  If we're shooting, we want the flipper to be at the appropriate speed before we push the ball upwards, since motors don't get to the desired speed instantaneously.<br>		*Ball flipper (at top of conveyor, used to select shoot/hopper) - most likely a small shaft encoder '''TBD'''.  If we're shooting, we want the flipper to be at the appropriate speed before we push the ball upwards, since motors don't get to the desired speed instantaneously.<br>
	*Trap doors - two limit switches per motor used for door - '''likely leaf switches provided in KoP'''.  Sure you could use one switch to detect open/closed, but if you have two switches per door, you can detect open/closed/in-between...<br>		*Trap doors - two limit switches per motor used for door - '''likely leaf switches provided in KoP'''.  Sure you could use one switch to detect open/closed, but if you have two switches per door, you can detect open/closed/in-between...<br>
	*Ball stop sensor - '''most likely a pair of Allen Bradley 7000 series banner sensors (beam break)'''.  This is used to detect if a ball has reached the top of the conveyor column.  It's functionality is similar to ROFL-Bot's ball stop sensor.  It is basically there to allow the programmers to know that a ball is there and is ready to be shot.<br>		*Ball stop sensor - '''most likely a pair of Allen Bradley 7000 series banner sensors (beam break)'''.  This is used to detect if a ball has reached the top of the conveyor column.  It's functionality is similar to ROFL-Bot's ball stop sensor.  It is basically there to allow the programmers to know that a ball is there and is ready to be shot.<br>
	*'''NICE TO HAVE'''<br>
			'''NICE TO HAVE'''<br>

	*"What-Ball-Position-Is-Filled-In-Conveyor Sensor". This would be '''''very nice'''''and '''''quite easy'''''.  This would allow for the programmers/drivers to know how full the conveyor is.  this  The design of the conveyor system is supposed to keep on pushing balls into it until we reach "best case" scenario, being that the (or both) entire columns are filled to the top.  - '''likely a pair of Allen Bradley 7000 series banner sensors per ball'''<br>		*"What-Ball-Position-Is-Filled-In-Conveyor Sensor". This would be '''''very nice'''''and '''''quite easy'''''.  This would allow for the programmers/drivers to know how full the conveyor is.  this  The design of the conveyor system is supposed to keep on pushing balls into it until we reach "best case" scenario, being that the (or both) entire columns are filled to the top.  - '''likely a pair of Allen Bradley 7000 series banner sensors per ball'''<br>
	*Encoders for the two conveyors.  This seems like it would be a nice to have but not necessary.  [please add any comments why it is "absolutely necessary"]<br>		*Encoders for the two conveyors.  This seems like it would be a nice to have but not necessary.  [please add any comments why it is "absolutely necessary"]<br>
	*'''WILL WE NEED THESE?'''<br>
			'''WILL WE NEED THESE?'''<br>

	*Shaft encoders for idler wheels...  Haven't heard back if we'll need these.<br>		*Shaft encoders for idler wheels...  Haven't heard back if we'll need these.<br>

Line 43:		Line 53:
	*Interface with Omron Photosensors and figure out if they are sufficient for conveyor encoders.  We should also find app notes on these, to see some examples of how they are used.<br>		*Interface with Omron Photosensors and figure out if they are sufficient for conveyor encoders.  We should also find app notes on these, to see some examples of how they are used.<br>
	*Reasearch/Investigate how to mount/put together the US Digital encoders in the KoP.  Also try to find similar encoders.		*Reasearch/Investigate how to mount/put together the US Digital encoders in the KoP.  Also try to find similar encoders.
	*Does programming drive train team want to control coast/brake on speed controllers?  Does programming mechanical want to control coast/brake on speed controllers?  Account for this in the next task.		*Does programming drive train team want to control coast/brake on speed controllers?  Does programming mechanical want to control coast/brake on speed controllers?  Account for this in the next task.
	*How many digital inputs are we going to need?  Can we use only one side car?		*How many digital inputs are we going to need?  Can we use only one side car?
	*Sean Kemp MUST upload the BOM excel file to the wiki.		*Sean Kemp MUST upload the BOM excel file to the wiki.

ElectricalMain at 16:29, 14 January 2009

2009-01-14T16:29:20Z

← Older revision		Revision as of 09:29, 14 January 2009
Line 43:		Line 43:
	*Interface with Omron Photosensors and figure out if they are sufficient for conveyor encoders.  We should also find app notes on these, to see some examples of how they are used.<br>		*Interface with Omron Photosensors and figure out if they are sufficient for conveyor encoders.  We should also find app notes on these, to see some examples of how they are used.<br>
	*Reasearch/Investigate how to mount/put together the US Digital encoders in the KoP.  Also try to find similar encoders.		*Reasearch/Investigate how to mount/put together the US Digital encoders in the KoP.  Also try to find similar encoders.
			*Does programming drive train team want to control coast/brake on speed controllers?  Does programming mechanical want to control coast/brake on speed controllers?  Account for this in the next task.
	*How many digital inputs are we going to need?  Can we use only one side car?		*How many digital inputs are we going to need?  Can we use only one side car?
	*Sean Kemp MUST upload the BOM excel file to the wiki.		*Sean Kemp MUST upload the BOM excel file to the wiki.

ElectricalMain at 14:38, 14 January 2009

2009-01-14T14:38:52Z

ElectricalMain at 14:37, 14 January 2009

2009-01-14T14:37:14Z

← Older revision		Revision as of 07:37, 14 January 2009
Line 11:		Line 11:
	'''Tasks Completed:'''<br>		'''Tasks Completed:'''<br>

	*Tested Sensors<br>		*Tested Banner Sensors for effectiveness with ball sensing<br>
	*Cleaned up wiring mock<br>		*Seems to be a very low chance of a false negative<br>
	*Connected and extended PWM encoders		*False negatives can be avoided by using multiple sensors for detection of a single ball<br>
			*Cleaned up wiring mock board<br>
			*Connected and extended PWM encoders on mock board<br>
			*Met with programming and various teams regarding sensor feedback.  The general consensus is to account for all sensors and remove them as we find they aren't being used.<br>
			*'''ABSOLUTELY NECESSARY'''<br>
			*Ball flipper (at top of conveyor, used to select shoot/hopper) - most likely a small shaft encoder '''TBD'''.  If we're shooting, we want the flipper to be at the appropriate speed before we push the ball upwards, since motors don't get to the desired speed instantaneously.<br>
			*Trap doors - two limit switches per motor used for door - '''likely leaf switches provided in KoP'''.  Sure you could use one switch to detect open/closed, but if you have two switches per door, you can detect open/closed/in-between...<br>
			*Ball stop sensor - '''most likely a pair of Allen Bradley 7000 series banner sensors (beam break)'''.  This is used to detect if a ball has reached the top of the conveyor column.  It's functionality is similar to ROFL-Bot's ball stop sensor.  It is basically there to allow the programmers to know that a ball is there and is ready to be shot.<br>
			*'''NICE TO HAVE'''<br>
			*"What-Ball-Position-Is-Filled-In-Conveyor Sensor". This would be '''''very nice'''''and '''''quite easy'''''.  This would allow for the programmers/drivers to know how full the conveyor is.  this  The design of the conveyor system is supposed to keep on pushing balls into it until we reach "best case" scenario, being that the (or both) entire columns are filled to the top.  - '''likely a pair of Allen Bradley 7000 series banner sensors per ball'''<br>
			*Encoders for the two conveyors.  This seems like it would be a nice to have but not necessary.  [please add any comments why it is "absolutely necessary"]<br>
			*'''WILL WE NEED THESE?'''<br>
			*Shaft encoders for idler wheels...  Haven't heard back if we'll need these.<br>

	<br>		<br>
Line 20:		Line 32:

	'''Tasks In Progress:'''<br>		'''Tasks In Progress:'''<br>

	*task
	*task

	<br>		<br>
Line 30:		Line 39:
	'''Tasks to Complete: '''<br>		'''Tasks to Complete: '''<br>

	*~~task~~		*Figure out the best orientation for the main battery (talk with drivetrain, and electrical team as they will likely be the ones changing batteries most often) and attach the hardware to the batteries to best match the battery orientation when in the chassis.<br>
	*~~task~~		*Josh Gannon mentioned trying to flesh out an area to mount electronics and how to shape our boards to maximize strength...  Work with him on this re-design.<br>
			*Interface with Omron Photosensors and figure out if they are sufficient for conveyor encoders.  We should also find app notes on these, to see some examples of how they are used.<br>
			*Reasearch/Investigate how to mount/put together the US Digital encoders in the KoP.  Also try to find similar encoders.

	<br>		<br>
Line 39:		Line 50:
	'''Images & Additional Updates:'''		'''Images & Additional Updates:'''

	~~(Use the upload file button on the toolbox to the left to upload the file, then insert an image using the button above~~. ~~ Sizing can be done using the length~~/~~width pixel size)~~		[http://www.datasheetarchive.com/pdf-download/Datasheet-05/DSA0072047.html 7000 Series Banner Sensor]

			[http://www.iprocessmart.com/Omron_cd/PDF/D21SPY415199.pdf Omron EE-SPY415]

	<br>		<br>

ElectricalMain at 12:22, 14 January 2009

2009-01-14T12:22:57Z

← Older revision		Revision as of 05:22, 14 January 2009
Line 1:		Line 1:
	XX.XX.2009		1.13.2009

	'''Start time: '''<br>		'''Start time: 7:00 pm'''<br>

	'''End time: '''<br>		'''End time: 9 pm'''<br>

	'''Members present: '''<br>		'''Members present: '''Rika, Sean, Crystal, Michael, Apples, Oranges<br>

	----		----
Line 11:		Line 11:
	'''Tasks Completed:'''<br>		'''Tasks Completed:'''<br>

	*~~task~~<br>		*Tested Sensors<br>
	*~~task~~		*Cleaned up wiring mock<br>
			*Connected and extended PWM encoders

	<br>		<br>

Leadership: Added Template

2009-01-11T19:20:34Z

Added Template

New page

XX.XX.2009

'''Start time: ''' 

'''End time: ''' 

'''Members present: ''' 

----

'''Tasks Completed:''' 

*task 
*task

 

----

'''Tasks In Progress:''' 

*task
*task

 

----

'''Tasks to Complete: ''' 

*task
*task

 

----

'''Images & Additional Updates:'''

(Use the upload file button on the toolbox to the left to upload the file, then insert an image using the button above.  Sizing can be done using the length/width pixel size)

 

----

[[Electrical Main|Electrical Main Main Page]]

← Older revision		Revision as of 07:38, 14 January 2009
Line 12:		Line 12:

	*Tested Banner Sensors for effectiveness with ball sensing<br>		*Tested Banner Sensors for effectiveness with ball sensing<br>
	*Seems to be a very low chance of a false negative<br>		*Seems to be a very low chance of a false negative<br>
	*False negatives can be avoided by using multiple sensors for detection of a single ball<br>		*False negatives can be avoided by using multiple sensors for detection of a single ball<br>
	*Cleaned up wiring mock board<br>		*Cleaned up wiring mock board<br>
	*Connected and extended PWM encoders on mock board<br>		*Connected and extended PWM encoders on mock board<br>
	*Met with programming and various teams regarding sensor feedback.  The general consensus is to account for all sensors and remove them as we find they aren't being used.<br>		*Met with programming and various teams regarding sensor feedback.  The general consensus is to account for all sensors and remove them as we find they aren't being used.<br>
	*'''ABSOLUTELY NECESSARY'''<br>		*'''ABSOLUTELY NECESSARY'''<br>
	*Ball flipper (at top of conveyor, used to select shoot/hopper) - most likely a small shaft encoder '''TBD'''.  If we're shooting, we want the flipper to be at the appropriate speed before we push the ball upwards, since motors don't get to the desired speed instantaneously.<br>		*Ball flipper (at top of conveyor, used to select shoot/hopper) - most likely a small shaft encoder '''TBD'''.  If we're shooting, we want the flipper to be at the appropriate speed before we push the ball upwards, since motors don't get to the desired speed instantaneously.<br>
	*Trap doors - two limit switches per motor used for door - '''likely leaf switches provided in KoP'''.  Sure you could use one switch to detect open/closed, but if you have two switches per door, you can detect open/closed/in-between...<br>		*Trap doors - two limit switches per motor used for door - '''likely leaf switches provided in KoP'''.  Sure you could use one switch to detect open/closed, but if you have two switches per door, you can detect open/closed/in-between...<br>
	*Ball stop sensor - '''most likely a pair of Allen Bradley 7000 series banner sensors (beam break)'''.  This is used to detect if a ball has reached the top of the conveyor column.  It's functionality is similar to ROFL-Bot's ball stop sensor.  It is basically there to allow the programmers to know that a ball is there and is ready to be shot.<br>		*Ball stop sensor - '''most likely a pair of Allen Bradley 7000 series banner sensors (beam break)'''.  This is used to detect if a ball has reached the top of the conveyor column.  It's functionality is similar to ROFL-Bot's ball stop sensor.  It is basically there to allow the programmers to know that a ball is there and is ready to be shot.<br>
	*'''NICE TO HAVE'''<br>		*'''NICE TO HAVE'''<br>
	*"What-Ball-Position-Is-Filled-In-Conveyor Sensor". This would be '''''very nice'''''and '''''quite easy'''''.  This would allow for the programmers/drivers to know how full the conveyor is.  this  The design of the conveyor system is supposed to keep on pushing balls into it until we reach "best case" scenario, being that the (or both) entire columns are filled to the top.  - '''likely a pair of Allen Bradley 7000 series banner sensors per ball'''<br>		*"What-Ball-Position-Is-Filled-In-Conveyor Sensor". This would be '''''very nice'''''and '''''quite easy'''''.  This would allow for the programmers/drivers to know how full the conveyor is.  this  The design of the conveyor system is supposed to keep on pushing balls into it until we reach "best case" scenario, being that the (or both) entire columns are filled to the top.  - '''likely a pair of Allen Bradley 7000 series banner sensors per ball'''<br>
	*Encoders for the two conveyors.  This seems like it would be a nice to have but not necessary.  [please add any comments why it is "absolutely necessary"]<br>		*Encoders for the two conveyors.  This seems like it would be a nice to have but not necessary.  [please add any comments why it is "absolutely necessary"]<br>
	*'''WILL WE NEED THESE?'''<br>		*'''WILL WE NEED THESE?'''<br>
	*Shaft encoders for idler wheels...  Haven't heard back if we'll need these.<br>		*Shaft encoders for idler wheels...  Haven't heard back if we'll need these.<br>

Line 39:		Line 39:
	'''Tasks to Complete: '''<br>		'''Tasks to Complete: '''<br>

	*Figure out the best orientation for the main battery (talk with drivetrain, and electrical team as they will likely be the ones changing batteries most often) and attach the hardware to the batteries to best match the battery orientation when in the chassis.<br>		*Figure out the best orientation for the main battery (talk with drivetrain, and electrical team as they will likely be the ones changing batteries most often) and attach the hardware to the batteries to best match the battery orientation when in the chassis.<br>
	*Josh Gannon mentioned trying to flesh out an area to mount electronics and how to shape our boards to maximize strength...  Work with him on this re-design.<br>		*Josh Gannon mentioned trying to flesh out an area to mount electronics and how to shape our boards to maximize strength...  Work with him on this re-design.<br>
	*Interface with Omron Photosensors and figure out if they are sufficient for conveyor encoders.  We should also find app notes on these, to see some examples of how they are used.<br>		*Interface with Omron Photosensors and figure out if they are sufficient for conveyor encoders.  We should also find app notes on these, to see some examples of how they are used.<br>
	*Reasearch/Investigate how to mount/put together the US Digital encoders in the KoP.  Also try to find similar encoders.		*Reasearch/Investigate how to mount/put together the US Digital encoders in the KoP.  Also try to find similar encoders.
			*How many digital inputs are we going to need?  Can we use only one side car?
			*Sean Kemp MUST upload the BOM excel file to the wiki.

	<br>		<br>
Line 52:		Line 54:
	[http://www.datasheetarchive.com/pdf-download/Datasheet-05/DSA0072047.html 7000 Series Banner Sensor]		[http://www.datasheetarchive.com/pdf-download/Datasheet-05/DSA0072047.html 7000 Series Banner Sensor]

	[http://www.iprocessmart.com/Omron_cd/PDF/D21SPY415199.pdf Omron EE-SPY415]		[http://www.iprocessmart.com/Omron_cd/PDF/D21SPY415199.pdf Omron EE-SPY415]

	<br>		<br>