Rotation Hand Controller - Revision history

imported>Tschachim: New control handling

2008-07-30T20:28:24Z

New control handling

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-The '''Rotation Hand Controller (RHC)''' provides the capability of manual control of spacecraft rotation in either direction about each axis. Also the RHC may be used for manual thrust vector control (see [[SPS]]). In the real CSM there were two identical Rotation Hand Controllers, in Project Apollo - NASSP both are simulated simultaneously by using one joystick or Orbiter's attitude controls (joystick, keyboard) when configured with the [[Launchpad Configuration Options]].
+The '''Rotation Hand Controller (RHC)''' provides the capability of manual control of spacecraft rotation in either direction about each axis. Also the RHC may be used for manual thrust vector control (see [[SPS]]). In the real CSM there were two identical Rotation Hand Controllers, in Project Apollo - NASSP both are simulated simultaneously by using one joystick or Orbiter's attitude controls (joystick, keyboard) as configured with the [[Launchpad Configuration Options]].
 == RHC commands ==
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 The RHC direct switches are powered with DC power if one or both of the ROT CONTR PWR DIRECT 1 or 2 switches {{Panel label|name=B}} are switched to MNA/MNB or the ROT CONTR PWR DIRECT 1 switch is switched to MNA or the ROT CONTR PWR DIRECT 2 switch is switched to MNB<cite>III</cite>.
 <biblio force=false>

imported>Tschachim: fixed footnotes

2008-06-04T22:03:58Z

fixed footnotes

← Older revision		Revision as of 22:03, 4 June 2008
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	#II The ROT CONTR PWR NORMAL 1 switch receives AC power from the SCS AC1 circuit breakers on panel 8, the ROT CONTR PWR NORMAL 2 switch receives AC power from the SCS ECA/TVC AC2 circuit breakers on panel 8. For both switches the [[ECA]] needs to be powered, too.		#II The ROT CONTR PWR NORMAL 1 switch receives AC power from the SCS AC1 circuit breakers on panel 8, the ROT CONTR PWR NORMAL 2 switch receives AC power from the SCS ECA/TVC AC2 circuit breakers on panel 8. For both switches the [[ECA]] needs to be powered, too.
	#III The ROT CONTR PWR DIRECT 1 switch receives DC power from either both the SCS CONTR/DIRECT 1 MNA and MNB circuit breakers on panel 8 when switched to MNA/MNB or from the SCS CONTR/DIRECT 1 MNA circuit breaker on panel 8 only when switched to MNA. The ROT CONTR PWR DIRECT 2 switch receives DC power from either both the SCS CONTR/DIRECT 2 MNA and MNB circuit breakers on panel 8 when switched to MNA/MNB or from the SCS CONTR/DIRECT 2 MNB circuit breaker on panel 8 only when switched to MNB.		#III The ROT CONTR PWR DIRECT 1 switch receives DC power from either both the SCS CONTR/DIRECT 1 MNA and MNB circuit breakers on panel 8 when switched to MNA/MNB or from the SCS CONTR/DIRECT 1 MNA circuit breaker on panel 8 only when switched to MNA. The ROT CONTR PWR DIRECT 2 switch receives DC power from either both the SCS CONTR/DIRECT 2 MNA and MNB circuit breakers on panel 8 when switched to MNA/MNB or from the SCS CONTR/DIRECT 2 MNB circuit breaker on panel 8 only when switched to MNB.
	#[[References]]		#[[References]]
	</biblio>		</biblio>

imported>Tschachim: /* Direct power */ typo

2008-06-04T22:00:56Z

Direct power: typo

← Older revision		Revision as of 22:00, 4 June 2008
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	=== Direct power ===		=== Direct power ===

	The RHC ~~breakout~~ switches are powered with DC power if one or both of the ROT CONTR PWR DIRECT 1 or 2 switches {{Panel label\|name=B}} are switched to MNA/MNB or the ROT CONTR PWR DIRECT 1 switch is switched to MNA or the ROT CONTR PWR DIRECT 2 switch is switched to MNB<cite>III</cite>.		The RHC direct switches are powered with DC power if one or both of the ROT CONTR PWR DIRECT 1 or 2 switches {{Panel label\|name=B}} are switched to MNA/MNB or the ROT CONTR PWR DIRECT 1 switch is switched to MNA or the ROT CONTR PWR DIRECT 2 switch is switched to MNB<cite>III</cite>.

	== Joystick and Orbiter's controls support ==		== Joystick and Orbiter's controls support ==

imported>Tschachim: /* Power supply */ Clarfication

2008-06-04T21:59:55Z

Power supply: Clarfication

← Older revision		Revision as of 21:59, 4 June 2008
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	[[Image:RHC_switch_location.jpg\|thumb\|right\|Location of RHC switches]]		[[Image:RHC_switch_location.jpg\|thumb\|right\|Location of RHC switches]]

	An RHC needs to be powered before it can be used, of course. Since the simulated RHC is both RHC 1 and 2, the simulated RHC is working if one or both RHCs are powered. The power for the direct switches is independant of the normal power supply.		An RHC needs to be powered before it can be used, of course. Since the simulated RHC is both RHC 1 and 2, the simulated RHC is working if one or both RHCs are powered. The power for the direct switches and direct RCS thruster solenoids is independant of the normal power supply.

	=== Normal power ===		=== Normal power ===

imported>Tschachim: typos

2008-06-04T21:55:58Z

typos

← Older revision		Revision as of 21:55, 4 June 2008
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	[[Image:RHC_switch_location.jpg\|thumb\|right\|Location of RHC switches]]		[[Image:RHC_switch_location.jpg\|thumb\|right\|Location of RHC switches]]

	An RHC needs to be powered before it can be used, of course. Since the simulated RHC is both RHC 1 and 2, the simulated RHC is working if ~~either~~ or both RHCs are powered. The power for the direct switches is independant of the normal power supply.		An RHC needs to be powered before it can be used, of course. Since the simulated RHC is both RHC 1 and 2, the simulated RHC is working if one or both RHCs are powered. The power for the direct switches is independant of the normal power supply.

	=== Normal power ===		=== Normal power ===

	The RHC breakout switches are powered with DC power if ~~either~~ or both of the ROT CONTR PWR NORMAL 1 or 2 switches {{Panel label\|name=A}} are switched to AC/DC<cite>I</cite>. The transducers are powered with AC power if ~~either~~ or both of the ROT CONTR PWR NORMAL 1 or 2 switches {{Panel label\|name=A}} are switched to AC/DC or AC<cite>II</cite>.		The RHC breakout switches are powered with DC power if one or both of the ROT CONTR PWR NORMAL 1 or 2 switches {{Panel label\|name=A}} are switched to AC/DC<cite>I</cite>. The transducers are powered with AC power if one or both of the ROT CONTR PWR NORMAL 1 or 2 switches {{Panel label\|name=A}} are switched to AC/DC or AC<cite>II</cite>.

	=== Direct power ===		=== Direct power ===

	The RHC breakout switches are powered with DC power if ~~either~~ or both of the ROT CONTR PWR DIRECT 1 or 2 switches {{Panel label\|name=B}} are switched to MNA/MNB or the ROT CONTR PWR DIRECT 1 switch is switched to MNA or the ROT CONTR PWR DIRECT 2 switch is switched to MNB<cite>III</cite>.		The RHC breakout switches are powered with DC power if one or both of the ROT CONTR PWR DIRECT 1 or 2 switches {{Panel label\|name=B}} are switched to MNA/MNB or the ROT CONTR PWR DIRECT 1 switch is switched to MNA or the ROT CONTR PWR DIRECT 2 switch is switched to MNB<cite>III</cite>.

	== Joystick and Orbiter's controls support ==		== Joystick and Orbiter's controls support ==
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	#I The ROT CONTR PWR NORMAL switches receive DC power from both the SCS CONTR/AUTO MNA and MNB circuit breakers on panel 8.		#I The ROT CONTR PWR NORMAL switches receive DC power from both the SCS CONTR/AUTO MNA and MNB circuit breakers on panel 8.
	#II The ROT CONTR PWR NORMAL 1 switch receives AC power from the SCS AC1 circuit breakers on panel 8, the ROT CONTR PWR NORMAL 2 switch receives AC power from the SCS ECA/TVC AC2 circuit breakers on panel 8. For both switches the [[ECA]] needs to be powered, too.		#II The ROT CONTR PWR NORMAL 1 switch receives AC power from the SCS AC1 circuit breakers on panel 8, the ROT CONTR PWR NORMAL 2 switch receives AC power from the SCS ECA/TVC AC2 circuit breakers on panel 8. For both switches the [[ECA]] needs to be powered, too.
	#III The ROT CONTR PWR DIRECT 1 switch receives DC power from either both the SCS CONTR/DIRECT 1 MNA and MNB circuit breakers on panel 8 when switched to MNA/MNB or ~~only~~ from the SCS CONTR/DIRECT 1 MNA circuit breaker on panel 8 when switched to MNA. The ROT CONTR PWR DIRECT 2 switch receives DC power from either both the SCS CONTR/DIRECT 2 MNA and MNB circuit breakers on panel 8 when switched to MNA/MNB or ~~only~~ from the SCS CONTR/DIRECT 2 MNB circuit breaker on panel 8 when switched to MNB.		#III The ROT CONTR PWR DIRECT 1 switch receives DC power from either both the SCS CONTR/DIRECT 1 MNA and MNB circuit breakers on panel 8 when switched to MNA/MNB or from the SCS CONTR/DIRECT 1 MNA circuit breaker on panel 8 only when switched to MNA. The ROT CONTR PWR DIRECT 2 switch receives DC power from either both the SCS CONTR/DIRECT 2 MNA and MNB circuit breakers on panel 8 when switched to MNA/MNB or from the SCS CONTR/DIRECT 2 MNB circuit breaker on panel 8 only when switched to MNB.
	#[[References]]		#[[References]]
	</biblio>		</biblio>

imported>Tschachim: Clarification

2008-06-04T21:49:32Z

Clarification

← Older revision		Revision as of 21:49, 4 June 2008
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	[[Image:RHC_diagram.jpg\|thumb\|right\|The command switches of the RHC<cite>AOH</cite>]]		[[Image:RHC_diagram.jpg\|thumb\|right\|The command switches of the RHC<cite>AOH</cite>]]

	The axes of the real RHC are the same as the axes of a joystick, so if a joystick is configured it can be used as usual. In case of Orbiter's attitude controls they are used as configured in Orbiter. Within the RHC there are three command sources per axis:		The axes of the real RHC are the same as the axes of of a typical 3-axes joystick, so if a joystick is configured it can be used as usual. In case of Orbiter's attitude controls they are used as configured in Orbiter. Within the RHC there are three command sources per axis:

	* '''Breakout Switches''' - A switch closure occurs whenever the RHC is moved 1.5° from its null position (about 12% of total deflection). Separate switches are provided in each axis and for each direction of rotation. These six breakout switches are used to provide: command signals to the [[CMC]], [[SCS]] minimum impulse and acceleration commands, [[BMAG]] cage signals and proportional rate command enabling.		* '''Breakout Switches''' - A switch closure occurs whenever the RHC is moved 1.5° from its null position (about 12% of total deflection). Separate switches are provided in each axis and for each direction of rotation. These six breakout switches are used to provide: command signals to the [[CMC]], [[SCS]] minimum impulse and acceleration commands, [[BMAG]] cage signals and proportional rate command enabling.

imported>Tschachim: ... done for now

2008-06-04T21:46:24Z

... done for now

← Older revision		Revision as of 21:46, 4 June 2008
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	* '''Direct Switches''' - Direct switches will close whenever the RHC is moved a nominal 11.5° from its null position (about 92% of total deflection). Direct switch closure will produce acceleration commands through the RCS direct solenoids.		* '''Direct Switches''' - Direct switches will close whenever the RHC is moved a nominal 11.5° from its null position (about 92% of total deflection). Direct switch closure will produce acceleration commands through the RCS direct solenoids.

	When a digital control like a keyboard is used as RHC input, an attitude command is simulated as full deflection, i.e. both the brakeout and the direct switches are closed and the transducers produce full signal strength.

	== Power supply ==		== Power supply ==
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	The RHC breakout switches are powered with DC power if either or both of the ROT CONTR PWR DIRECT 1 or 2 switches {{Panel label\|name=B}} are switched to MNA/MNB or the ROT CONTR PWR DIRECT 1 switch is switched to MNA or the ROT CONTR PWR DIRECT 2 switch is switched to MNB<cite>III</cite>.		The RHC breakout switches are powered with DC power if either or both of the ROT CONTR PWR DIRECT 1 or 2 switches {{Panel label\|name=B}} are switched to MNA/MNB or the ROT CONTR PWR DIRECT 1 switch is switched to MNA or the ROT CONTR PWR DIRECT 2 switch is switched to MNB<cite>III</cite>.

			== Joystick and Orbiter's controls support ==

			Rotational control is provided by joysticks or Orbiter's attitude controls. In case of joysticks, the [[Launchpad Configuration Options]] allow the use of one or two joysticks. If only one joystick is configured, it acts as RHC or [[THC]] depending on Orbiter's attitude control mode. The axes of the real RHC are the same as the axes of a typical 3-axes joystick.

			With the '''"Use Orbiter controls as RHC/THC"''' option enabled in the [[Launchpad Configuration Options]], the Orbiter controls (keyboard, joystick etc. as you have configured it) are used as input for the RHC while in Orbiter's rotational attitude mode. In this case Orbiter's joystick axes and keys assignments to the rotational movements of the spacecraft apply.

			When a digital control like a keyboard is used as RHC input, an attitude command is simulated as full deflection, i.e. both the brakeout and the direct switches are closed and the transducers produce full signal strength.

			With this option disabled, rotational thruster firing with the [[w:numeric keypad\|numeric keypad]] or a joystick enabled in Orbiter is possible but unrealistic. In this case Orbiter controls the thrusters directly without using the auto or direct thruster control coils, so this is still working without electrical power, disabled coils etc. The RCS thrusters still need proper fuel supply though.

	<biblio force=false>		<biblio force=false>
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	</biblio>		</biblio>

			==External Links==

			* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750010202_1975010202.pdf Apollo experience report: Crew Station Integration. Volume 3: Spacecraft Hand Controller Development]

	[[Category:Stabilization and Control System]]		[[Category:Stabilization and Control System]]


	~~{{Stub}}~~

imported>Tschachim: Work in progress...

2008-06-04T19:07:26Z

Work in progress...

@@ Line 14: / Line 14: @@
 When a digital control like a keyboard is used as RHC input, an attitude command is simulated as full deflection, i.e. both the brakeout and the direct switches are closed and the transducers produce full signal strength.
 <biblio force=false>
-  #I The TRANS CONTR PWR switch receives power from the SCS CONTR/AUTO MNA/B circuit breakers on panel 8
+  #I The ROT CONTR PWR NORMAL switches receive DC power from both the SCS CONTR/AUTO MNA and MNB circuit breakers on panel 8.
   #[[References]]
 </biblio>

imported>Tschachim: Work in progress...

2008-06-03T23:21:15Z

Work in progress...

← Older revision		Revision as of 23:21, 3 June 2008
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	== RHC commands ==		== RHC commands ==

			[[Image:RHC_diagram.jpg\|thumb\|right\|The command switches of the RHC<cite>AOH</cite>]]

	The axes of the real RHC are the same as the axes of a joystick, so if a joystick is configured it can be used as usual. In case of Orbiter's attitude controls they are used as configured in Orbiter. Within the RHC there are three command sources per axis:		The axes of the real RHC are the same as the axes of a joystick, so if a joystick is configured it can be used as usual. In case of Orbiter's attitude controls they are used as configured in Orbiter. Within the RHC there are three command sources per axis:
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	When a digital control like a keyboard is used as RHC input, an attitude command is simulated as full deflection, i.e. both the brakeout and the direct switches are closed and the transducers produce full signal strength.		When a digital control like a keyboard is used as RHC input, an attitude command is simulated as full deflection, i.e. both the brakeout and the direct switches are closed and the transducers produce full signal strength.

			<biblio force=false>
			#I The TRANS CONTR PWR switch receives power from the SCS CONTR/AUTO MNA/B circuit breakers on panel 8
			#[[References]]
			</biblio>

imported>Tschachim: Work in progress...

2008-06-03T22:58:54Z

Work in progress...

← Older revision		Revision as of 22:58, 3 June 2008
Line 1:		Line 1:
	The '''Rotation Hand Controller (RHC)''' provides the capability of manual control of spacecraft rotation in either direction about each axis. Also the RHC may be used for manual thrust vector control (see [[SPS]]). In the real CSM two identical Rotation Hand Controllers ~~were provided~~, in Project Apollo - NASSP both are simulated simultaneously by using one joystick or Orbiter's attitude controls configured with the [[Launchpad Configuration Options]].		The '''Rotation Hand Controller (RHC)''' provides the capability of manual control of spacecraft rotation in either direction about each axis. Also the RHC may be used for manual thrust vector control (see [[SPS]]). In the real CSM there were two identical Rotation Hand Controllers, in Project Apollo - NASSP both are simulated simultaneously by using one joystick or Orbiter's attitude controls (joystick, keyboard) when configured with the [[Launchpad Configuration Options]].

	== RHC commands ==		== RHC commands ==
Line 5:		Line 5:
	The axes of the real RHC are the same as the axes of a joystick, so if a joystick is configured it can be used as usual. In case of Orbiter's attitude controls they are used as configured in Orbiter. Within the RHC there are three command sources per axis:		The axes of the real RHC are the same as the axes of a joystick, so if a joystick is configured it can be used as usual. In case of Orbiter's attitude controls they are used as configured in Orbiter. Within the RHC there are three command sources per axis:

	* '''Breakout Switches''' - A switch closure occurs whenever the RHC is moved 1.5° from its null position (about 12.5% of total deflection). Separate switches are provided in each axis and for each direction of rotation. These six breakout switches are used to provide: command signals to the [[CMC]], [[SCS]] minimum impulse and acceleration commands, [[BMAG]] cage signals and proportional rate command enabling.		* '''Breakout Switches''' - A switch closure occurs whenever the RHC is moved 1.5° from its null position (about 12% of total deflection). Separate switches are provided in each axis and for each direction of rotation. These six breakout switches are used to provide: command signals to the [[CMC]], [[SCS]] minimum impulse and acceleration commands, [[BMAG]] cage signals and proportional rate command enabling.

	* '''Transducers''' -		* '''Transducers''' - Transducers produce AC signals proportional to the RHC displacement from the null position. These signals are used to command spacecraft rotation rates during [[SCS]] proportional rate mode and to command [[SPS]] engine gimbal position during Manual Thrust Vector Control (MTVC).

			* '''Direct Switches''' - Direct switches will close whenever the RHC is moved a nominal 11.5° from its null position (about 92% of total deflection). Direct switch closure will produce acceleration commands through the RCS direct solenoids.

			When a digital control like a keyboard is used as RHC input, an attitude command is simulated as full deflection, i.e. both the brakeout and the direct switches are closed and the transducers produce full signal strength.


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	[[Category:Stabilization and Control System]]		[[Category:Stabilization and Control System]]


	{{Stub}}		{{Stub}}