Source Code
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These source-code files were obtained by digitally photographing
an Artemis 72 (Apollo 15-17 Command Module) program listing from a private
collection and then
modifying pre-existing Comanche 55 (Apollo 11) source files to
incorporate changes. Photography was by Ron Burkey, and transcription
was performed by a team of volunteers. Note that the page images
presented online are of reduced quality, and that additional images
may be available. Report any conversion errors or legibility
problems in page images to info@sandroid.org.
Notations on the program listing read, in part:GAP: ASSEMBLE REVISION 072 OF AGC PROGRAM ARTEMIS BY NASA 2021114-011 11:40 FEB. 26, 1971Note that the date is the date of the printout, not the date of the program revision. |
045052,000002: ## Copyright: Public domain.
045053,000003: ## Filename: AUTOMATIC_MANEUVERS.agc
045054,000004: ## Purpose: Part of the source code for Artemis (i.e., Colossus 3),
045055,000005: ## build 072. This is for the Command Module's (CM)
045056,000006: ## Apollo Guidance Computer (AGC), for
045057,000007: ## Apollo 15-17.
045058,000008: ## Assembler: yaYUL
045059,000009: ## Contact: Sergio Navarro <sergionavarrog@gmail.com>
045060,000010: ## Website: www.ibiblio.org/apollo/index.html
045061,000011: ## Page Scans: www.ibiblio.org/apollo/ScansForConversion/Artemis072/
045062,000012: ## Mod history: 2009-08-27 SN Adapted from corresponding Comanche 055 file.
045063,000013: ## 2009-09-06 JL Fixed typos.
045064,000014: ## 2010-02-20 RSB Un-##'d this header.
045065,000015: ## 2017-01-21 RSB Proofed comment text by diff'ing vs Comanche 55
045066,000016: ## and corrected errors found.
045067,000017:
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Page 1024 |
045069,000019: 21,2000 SETLOC DAPS3
045070,000020: 21,2000 BANK
045071,000021:
045072,000022: 21,3272 COUNT* $$/DAPAM
045073,000023: 21,3272 E6,1510 EBANK= KMPAC
045074,000024: 21,3272 34753 AHFNOROT CAF BIT14
045075,000025: 21,3273 05654 TC C31BTCHK
045076,000026: 21,3274 13310 TCF FREECONT
045077,000027: 21,3275 31501 CA RCSFLAGS # SEE IF RATE FILTER HAS BEEN INITIALIZED
045078,000028: 21,3276 74753 MASK BIT14
045079,000029: 21,3277 10000 CCS A # IF SO, PROCEED WITH ATTITUDE CONTROL
045080,000030: 21,3300 12541 TCF REINIT # IF NOT, RECYCLE TO INITIALIZE FILTER
045081,000031: # AUTOMATIC CONTROL YET
045082,000032: 21,3301 34754 CAF BIT13
045083,000033: 21,3302 05654 TC C31BTCHK
045084,000034: 21,3303 13404 TCF HOLDFUNC
045085,000035: 21,3304 31340 AUTOCONT CA HOLDFLAG # IF HOLDFLAG IS +, GO TO GRABANG.
045086,000036: 21,3305 00006 EXTEND # OTHERWISE, GO TO ATTHOLD.
045087,000037: 21,3306 63334 BZMF ATTHOLD
045088,000038: 21,3307 13410 TCF GRABANG
045089,000039:
045090,000040: # MINIMUM IMPULSE CONTROL
045091,000041:
045092,000042: 21,3310 34770 FREECONT CAF ONE
045093,000043: 21,3311 55340 TS HOLDFLAG # RESET HOLDFLAG
045094,000044: # INHIBIT AUTOMATIC STEERING
045095,000045: 21,3312 00006 EXTEND
045096,000046: 21,3313 00032 READ CHAN32
045097,000047: 21,3314 54001 TS L
045098,000048: 21,3315 40000 COM
045099,000049: 21,3316 71633 MASK CHANTEMP
045100,000050: 21,3317 23633 LXCH CHANTEMP
045101,000051: 21,3320 73063 RHCMINP MASK MANROT
045102,000052: 21,3321 03152 TC STICKCHK
045103,000053: 21,3322 51656 INDEX RMANNDX
045104,000054: 21,3323 34614 CA MINTAU # MINTAU +0
045105,000055: 21,3324 55561 TS TAU # +1 +14MS MINIMUM IMPULSE
045106,000056: 21,3325 51657 INDEX PMANNDX # +2 -14MS TIME
045107,000057: 21,3326 34614 CA MINTAU # +3 +0
045108,000058: 21,3327 55562 TS TAU1
045109,000059: 21,3330 51660 INDEX YMANNDX
045110,000060: 21,3331 34614 CA MINTAU
045111,000061: 21,3332 55563 TS TAU2
045112,000062: 21,3333 13105 TCF T6PROGM
045113,000063:
045114,000064:
045115,000065: 4000 SETLOC FFTAG12
045116,000066: 4000 BANK
045117,000067:
045118,000068: 4614 COUNT* $$/DAPAM
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Page 1025 |
045120,000070:
045121,000071: 4614 00000 MINTAU DEC 0 B-14
045122,000072: 4615 00027 DEC23 DEC 23 B-14 # = 14 MS
045123,000073: 4616 77750 DECNEG23 DEC -23 B-14 # = -14 MS
045124,000074: 4617 00000 DEC 0 B-14
045125,000075:
045126,000076:
045127,000077: 21,2000 SETLOC DAPS3
045128,000078: 21,2000 BANK
045129,000079:
045130,000080: 21,3334 COUNT* $$/DAPAM
045131,000081:
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Page 1026 |
045133,000083: # CALCULATION OF ATTITUDE ERRORS-
045134,000084:
045135,000085: # - * - - -
045136,000086: # AK = AMGB (CDUX - THETADX) + BIAS
045137,000087:
045138,000088: # IE *AK * * 1 SIN(PSI) 0 ** CDUX - THETADX * *BIAS *
045139,000089: # * * * ** * * *
045140,000090: # *AK1* = * 0 COS(PSI)COS(PHI) SIN(PHI)** CDUY - THETADY * + *BIAS1*
045141,000091: # * * * ** * * *
045142,000092: # *AK2* * 0 -COS(PSI)SIN(PHI) COS(PHI)** CDUZ - THETADZ * *BIAS2*
045143,000093:
045144,000094: # THE BIASES ARE ADDED ONLY WHILE PERFORMING AUTOMATIC MANEUVERS (ESP KALCMANU) TO PROVIDE ADDITIONAL LEAD
045145,000095: # AND PREVENT OVERSHOOT WHEN STARTING AN AUTOMATIC MANEUVER. NORMALLY THE REQUIRED LEAD IS ONLY 1-2 DEGREES.
045146,000096: # BUT DURING HIGH RATE MANEUVERS IT CAN BE AS MUCH AS 7 DEGREES. THE BIASES ARE COMPUTED BY KALCMANU AND REMAIN
045147,000097: # FIXED UNTIL THE MANEUVER IS COMPLETED AT WHICH TIME THEY ARE RESET TO ZERO.
045148,000098:
045149,000099: 21,3334 30032 ATTHOLD CA CDUX
045150,000100: 21,3335 00006 EXTEND
045151,000101: 21,3336 21572 MSU THETADX
045152,000102: 21,3337 55567 TS ERRORX
045153,000103: 21,3340 30033 CA CDUY
045154,000104: 21,3341 00006 EXTEND
045155,000105: 21,3342 21573 MSU THETADY
045156,000106: 21,3343 55502 TS T5TEMP
045157,000107: 21,3344 00006 EXTEND
045158,000108: 21,3345 71640 MP AMGB1
045159,000109: 21,3346 27567 ADS ERRORX
045160,000110: 21,3347 31502 CA T5TEMP
045161,000111: 21,3350 00006 EXTEND
045162,000112: 21,3351 71641 MP AMGB4
045163,000113: 21,3352 55570 TS ERRORY
045164,000114: 21,3353 31502 CA T5TEMP
045165,000115: 21,3354 00006 EXTEND
045166,000116: 21,3355 71643 MP AMGB7
045167,000117: 21,3356 55571 TS ERRORZ
045168,000118: 21,3357 30034 CA CDUZ
045169,000119: 21,3360 00006 EXTEND
045170,000120: 21,3361 21574 MSU THETADZ
045171,000121: 21,3362 55502 TS T5TEMP
045172,000122: 21,3363 00006 EXTEND
045173,000123: 21,3364 71642 MP AMGB5
045174,000124: 21,3365 27570 ADS ERRORY
045175,000125: 21,3366 31502 CA T5TEMP
045176,000126: 21,3367 00006 EXTEND
045177,000127: 21,3370 71644 MP AMGB8
045178,000128: 21,3371 27571 ADS ERRORZ
045179,000129: 21,3372 41340 CS HOLDFLAG
045180,000130: 21,3373 00006 EXTEND
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Page 1027 |
045182,000132: 21,3374 63452 BZMF JETS
045183,000133: 21,3375 31564 CA BIAS # AD BIASES ONLY IF PERFORMING AUTOMATIC
045184,000134: 21,3376 27567 ADS ERRORX
045185,000135: 21,3377 31565 CA BIAS1
045186,000136: 21,3400 27570 ADS ERRORY
045187,000137: 21,3401 31566 CA BIAS2
045188,000138: 21,3402 27571 ADS ERRORZ
045189,000139: 21,3403 13452 TCF JETS
045190,000140:
045191,000141:
045192,000142: 21,3404 11340 HOLDFUNC CCS HOLDFLAG
045193,000143: 21,3405 13410 TCF +3
045194,000144: 21,3406 13334 TCF ATTHOLD
045195,000145: 21,3407 13410 TCF +1
045196,000146: 21,3410 34772 GRABANG CAF ZERO # ZERO WBODYS AND BIASES
045197,000147: 21,3411 55525 TS WBODY
045198,000148: 21,3412 55526 TS WBODY +1
045199,000149: 21,3413 55527 TS WBODY1
045200,000150: 21,3414 55530 TS WBODY1 +1
045201,000151: 21,3415 55531 TS WBODY2
045202,000152: 21,3416 55532 TS WBODY2 +1
045203,000153: 21,3417 55564 TS BIAS
045204,000154: 21,3420 55565 TS BIAS1
045205,000155: 21,3421 55566 TS BIAS2
045206,000156:
045207,000157: 21,3422 31501 CA RCSFLAGS
045208,000158: 21,3423 73064 MASK OCT16000
045209,000159: 21,3424 00006 EXTEND # IS RATE DAMPING COMPLETED
045210,000160: 21,3425 13433 BZF ENDDAMP # IF SO, GO TO ENDDAMP
045211,000161: 21,3426 34772 CAF ZERO # OTHERWISE, ZERO ERRORS
045212,000162: 21,3427 55567 TS ERRORX
045213,000163: 21,3430 55570 TS ERRORY
045214,000164: 21,3431 55571 TS ERRORZ
045215,000165: 21,3432 13452 TCF JETS
045216,000166:
045217,000167: 21,3433 55340 ENDDAMP TS HOLDFLAG # SET HOLDFLAG +0
045218,000168: 21,3434 00006 EXTEND
045219,000169: 21,3435 30033 DCA CDUX # PICK UP CDU ANGLES FOR ATTITUDE HOLD
045220,000170: 21,3436 53573 DXCH THETADX # REFERENCES
045221,000171: 21,3437 30034 CA CDUZ
045222,000172: 21,3440 55574 TS THETADZ
045223,000173: 21,3441 13334 TCF ATTHOLD
045224,000174:
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Page 1028 |
045226,000176: # JET SWITCHING LOGIC AND CALCULATION OF REQUIRED ROTATION COMMANDS
045227,000177:
045228,000178: # DETERMINE THE LOCATION OF THE RATE ERROR AND THE ATTITUDE ERROR RELATIVE TO THE SWITCHING LOGIC IN THE PHASE
045229,000179: # PLANE.
045230,000180: # COMPUTE THE CHANGE IN RATE CORRESPONDING TO THE ATTITUDE ERROR NECESSARY TO DRIVE THE THE S/C INTO THE
045231,000181: # APPROPRIATE DEADZONE.
045232,000182:
045233,000183:
045234,000184: # .
045235,000185: # R22 RATE . ERROR
045236,000186: # WL+H .
045237,000187: # ********************************* . ***** SWITCH LINES ENCLOSING DEADZONES
045238,000188: # R23 WL * .
045239,000189: # --------------------------------- * . ----- DESIRED RATE LINES
045240,000190: # R23 WL-H - *.
045241,000191: # ****************** - . R20, R21, R22, ETC REGIONS IN PHASE
045242,000192: # * - .* R18 R20 R21 PLANE FOF COMPUTING DESIRED RESPONSE
045243,000193: # * . *
045244,000194: # *- . *
045245,000195: # R22 R24*- R23 . *
045246,000196: # *- . *
045247,000197: # * . *
045248,000198: # + -ADB . * AF ATTITUDE
045249,000199: # .........................+--+---------------+--+........................
045250,000200: # AF * . +ADB + ERROR
045251,000201: # * . *
045252,000202: # * . -*
045253,000203: # * . -*
045254,000204: # * . -*
045255,000205: # * . *
045256,000206: # *. - *
045257,000207: # . - *****************
045258,000208: # .* -
045259,000209: # . * --------------------------------
045260,000210: # . *
045261,000211: # . ********************************
045262,000212: # .
045263,000213:
045264,000214: # FIG. 1 PHASE PLANE SWITCHING LOGIC
045265,000215:
045266,000216:
045267,000217: # CONSTANTS FOR JET SWITCHING LOGIC
045268,000218:
045269,000219: 21,3442 00114 WLH/SLOP DEC .00463 # = WL+H/SLOPE = .83333 DEG $180
045270,000220: 21,3443 5006 WL-H/SLP = DEC45 # = WL-H/SLOPE = .5 DEG $180
045271,000221: 21,3443 00022 06426 WLH 2DEC .0011111111 # = WL+H = 0.5 DEG/SEC $450
045272,000222: 21,3445 00012 35415 WLMH 2DEC .0006666666 # = WL-H = 0.3 DEG/SEC $450
045273,000223: 21,3447 00016 22021 WL 2DEC .0008888888 # = WL = 0.4 DEG/SEC $450
045274,000224:
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Page 1029 |
045276,000226: 21,3451 12173 SLOPE2 DEC .32 # = 0.8 DEG/SEC/DEG $450/180
045277,000227: 21,3452 31655 JETS CA ADB
045278,000228: 21,3453 64766 AD FOUR # AF = FLAT REGION = .044 DEG
045279,000229: 21,3454 55502 TS T5TEMP # ADB+AF
045280,000230: 21,3455 34767 CAF TWO
045281,000231: 21,3456 55506 JLOOP TS SPNDX
045282,000232: 21,3457 60000 DOUBLE
045283,000233: 21,3460 55507 TS DPNDX
045284,000234: 21,3461 00006 EXTEND
045285,000235: 21,3462 50000 INDEX A
045286,000236: 21,3463 31534 DCA ADOT
045287,000237: 21,3464 53516 DXCH EDOT
045288,000238: 21,3465 31340 CA HOLDFLAG # HOLDFLAG = +0 MEANS THAT DAP IS IN
045289,000239: 21,3466 00006 EXTEND # ATTITUDE HOLD AND RATE DAMPING IS OVER.
045290,000240: 21,3467 13474 BZF INHOLD # IF THIS IS THE CASE, BYPASS ADDITION
045291,000241: # OF WBODY AND GO TO INHOLD
045292,000242: 21,3470 00006 EXTEND
045293,000243: 21,3471 51507 INDEX DPNDX
045294,000244: 21,3472 41526 DCS WBODY
045295,000245: 21,3473 21516 DAS EDOT # = ADOT-WBODY
045296,000246: 21,3474 51506 INHOLD INDEX SPNDX
045297,000247: 21,3475 31567 CA ERRORX
045298,000248: 21,3476 55517 TS AERR # AERR = BIAS + AK
045299,000249:
045300,000250: 21,3477 11515 CCS EDOT
045301,000251: 21,3500 13510 TCF POSVEL
045302,000252: 21,3501 13503 TCF SIGNCK1
045303,000253: 21,3502 13520 TCF NEGVEL
045304,000254: 21,3503 11516 SIGNCK1 CCS EDOT +1
045305,000255: 21,3504 13510 TCF POSVEL
045306,000256: 21,3505 13510 TCF POSVEL
045307,000257: 21,3506 13520 TCF NEGVEL
045308,000258: 21,3507 13520 TCF NEGVEL
045309,000259: 21,3510 00006 POSVEL EXTEND
045310,000260: 21,3511 31516 DCA EDOT
045311,000261: 21,3512 53521 DXCH EDOTVEL
045312,000262: 21,3513 31502 CA T5TEMP
045313,000263: 21,3514 55523 TS ADBVEL # +(ADB+AF)
045314,000264: 21,3515 31517 CA AERR
045315,000265: 21,3516 55522 TS AERRVEL
045316,000266: 21,3517 03527 TC J6.
045317,000267: 21,3520 00006 NEGVEL EXTEND
045318,000268: 21,3521 41516 DCS EDOT
045319,000269: 21,3522 53521 DXCH EDOTVEL
045320,000270: 21,3523 41502 CS T5TEMP
045321,000271: 21,3524 55523 TS ADBVEL # -(ADB+AF)
045322,000272: 21,3525 41517 CS AERR
045323,000273: 21,3526 55522 TS AERRVEL
045324,000274:
045325,000275: 21,3527 00006 J6. EXTEND
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Page 1030 |
045327,000277: 21,3530 61655 SU ADB
045328,000278: 21,3531 63442 AD WLH/SLOP
045329,000279: 21,3532 00006 EXTEND
045330,000280: 21,3533 63562 BZMF J8
045331,000281:
045332,000282: 21,3534 41502 CS T5TEMP # (ADB+AF)
045333,000283: 21,3535 61522 AD AERRVEL
045334,000284: 21,3536 00006 EXTEND
045335,000285: 21,3537 63541 BZMF +2
045336,000286: 21,3540 13553 TCF J7
045337,000287: 21,3541 00006 EXTEND
045338,000288: 21,3542 41521 DCS EDOTVEL
045339,000289: 21,3543 00006 EXTEND
045340,000290: 21,3544 11654 DV SLOPE
045341,000291: 21,3545 00006 EXTEND
045342,000292: 21,3546 61522 SU AERRVEL
045343,000293: 21,3547 61655 AD ADB
045344,000294: 21,3550 00006 EXTEND
045345,000295: 21,3551 63641 BZMF J18
045346,000296: 21,3552 13715 TCF J23
045347,000297:
045348,000298: 21,3553 45006 J7 CS WL-H/SLP
045349,000299: 21,3554 00006 EXTEND
045350,000300: 21,3555 61502 SU T5TEMP # (ADB+AF)
045351,000301: 21,3556 61522 AD AERRVEL
045352,000302: 21,3557 00006 EXTEND
045353,000303: 21,3560 63645 BZMF J20
045354,000304: 21,3561 13656 TCF J21
045355,000305:
045356,000306: 21,3562 00006 J8 EXTEND
045357,000307: 21,3563 43444 DCS WLH
045358,000308: 21,3564 53514 DXCH WTEMP
045359,000309: 21,3565 00006 EXTEND
045360,000310: 21,3566 31521 DCA EDOTVEL
045361,000311: 21,3567 21514 DAS WTEMP
045362,000312: 21,3570 11513 CCS WTEMP
045363,000313: 21,3571 13704 TCF J22
045364,000314: 21,3572 13574 TCF SIGNCK2
045365,000315: 21,3573 13600 TCF NJ22
045366,000316: 21,3574 11514 SIGNCK2 CCS WTEMP +1
045367,000317: 21,3575 13704 TCF J22
045368,000318: 21,3576 13704 TCF J22
045369,000319: 21,3577 13600 TCF NJ22
045370,000320:
045371,000321: 21,3600 00006 NJ22 EXTEND
045372,000322: 21,3601 31521 DCA EDOTVEL
045373,000323: 21,3602 00006 EXTEND
045374,000324: 21,3603 11654 DV SLOPE
045375,000325: 21,3604 61502 AD T5TEMP # (ADB+AF)
045376,000326: 21,3605 61522 AD AERRVEL
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Page 1031 |
045378,000328: 21,3606 10000 CCS A
045379,000329: 21,3607 13715 TCF J23
045380,000330: 21,3610 13715 TCF J23
045381,000331: 21,3611 13613 TCF +2
045382,000332: 21,3612 13715 TCF J23
045383,000333:
045384,000334: 21,3613 00006 EXTEND
045385,000335: 21,3614 43446 DCS WLMH # WL - H
045386,000336: 21,3615 53514 DXCH WTEMP
045387,000337: 21,3616 00006 EXTEND
045388,000338: 21,3617 31521 DCA EDOTVEL
045389,000339: 21,3620 21514 DAS WTEMP
045390,000340: 21,3621 11513 CCS WTEMP
045391,000341: 21,3622 13715 TCF J23
045392,000342: 21,3623 13625 TCF SIGNCK3
045393,000343: 21,3624 13631 TCF NJ23
045394,000344: 21,3625 11514 SIGNCK3 CCS WTEMP +1
045395,000345: 21,3626 13715 TCF J23
045396,000346: 21,3627 13715 TCF J23
045397,000347: 21,3630 13631 TCF NJ23
045398,000348:
045399,000349: 21,3631 31522 NJ23 CA AERRVEL
045400,000350: 21,3632 61502 AD T5TEMP # (ADB+AF)
045401,000351: 21,3633 65006 AD WL-H/SLP
045402,000352: 21,3634 10000 CCS A
045403,000353: 21,3635 13727 TCF J24
045404,000354: 21,3636 13727 TCF J24
045405,000355: 21,3637 13704 TCF J22
045406,000356: 21,3640 13704 TCF J22
045407,000357:
045408,000358: 21,3641 00006 J18 EXTEND
045409,000359: 21,3642 41516 DCS EDOT
045410,000360: 21,3643 53511 DXCH KMPAC
045411,000361: 21,3644 13740 TCF JTIME
045412,000362:
045413,000363: 21,3645 41517 J20 CS AERR
045414,000364: 21,3646 61523 AD ADBVEL
045415,000365: 21,3647 00006 EXTEND
045416,000366: 21,3650 73451 MP SLOPE2 # (HYSTERESIS SLOPE)
045417,000367: 21,3651 53511 DXCH KMPAC
045418,000368: 21,3652 00006 EXTEND
045419,000369: 21,3653 41516 DCS EDOT
045420,000370: 21,3654 21511 DAS KMPAC
045421,000371: 21,3655 13740 TCF JTIME
045422,000372:
045423,000373: 21,3656 11515 J21 CCS EDOT
045424,000374: 21,3657 13675 TCF JP
045425,000375: 21,3660 13662 TCF SIGNCK4
045426,000376: 21,3661 13666 TCF JN
045427,000377: 21,3662 11516 SIGNCK4 CCS EDOT +1
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Page 1032 |
045429,000379: 21,3663 13675 TCF JP
045430,000380: 21,3664 13675 TCF JP
045431,000381: 21,3665 13666 TCF JN
045432,000382: 21,3666 00006 JN EXTEND
045433,000383: 21,3667 41516 DCS EDOT
045434,000384: 21,3670 53511 DXCH KMPAC
045435,000385: 21,3671 00006 EXTEND
045436,000386: 21,3672 33450 DCA WL
045437,000387: 21,3673 21511 DAS KMPAC
045438,000388: 21,3674 13740 TCF JTIME
045439,000389:
045440,000390: 21,3675 00006 JP EXTEND
045441,000391: 21,3676 41516 DCS EDOT
045442,000392: 21,3677 53511 DXCH KMPAC
045443,000393: 21,3700 00006 EXTEND
045444,000394: 21,3701 43450 DCS WL
045445,000395: 21,3702 21511 DAS KMPAC
045446,000396: 21,3703 13740 TCF JTIME
045447,000397:
045448,000398: 21,3704 11515 J22 CCS EDOT
045449,000399: 21,3705 13666 TCF JN
045450,000400: 21,3706 13710 TCF SIGNCK5
045451,000401: 21,3707 13675 TCF JP
045452,000402: 21,3710 11516 SIGNCK5 CCS EDOT +1
045453,000403: 21,3711 13666 TCF JN
045454,000404: 21,3712 13666 TCF JN
045455,000405: 21,3713 13675 TCF JP
045456,000406: 21,3714 13675 TCF JP
045457,000407:
045458,000408: 21,3715 51506 J23 INDEX SPNDX
045459,000409: 21,3716 44754 CS BIT13 # RESET RATE DAMPING FLAG
045460,000410: 21,3717 71501 MASK RCSFLAGS # BIT13 FOR ROLL (SPNDX = 0)
045461,000411: 21,3720 55501 TS RCSFLAGS # BIT12 FOR PITCH (SPNDX = 1)
045462,000412: # BIT11 FOR YAW (SPNDX = 2)
045463,000413:
045464,000414: 21,3721 51506 INDEX SPNDX
045465,000415: 21,3722 33060 CAF OCT01400 # IS THERE TO BE A FORCED FIRING ON THIS
045466,000416: 21,3723 71501 MASK RCSFLAGS # AXIS
045467,000417: 21,3724 00006 EXTEND
045468,000418: 21,3725 13761 BZF DOJET +2 # NO, GO TO DOJET +2 AND DO NOTHING
045469,000419:
045470,000420: 21,3726 13641 TCF J18 # YES, GO TO J18 AND FORCE A FIRING
045471,000421:
045472,000422: 21,3727 41517 J24 CS AERR
045473,000423: 21,3730 00006 EXTEND
045474,000424: 21,3731 61523 SU ADBVEL
045475,000425: 21,3732 00006 EXTEND
045476,000426: 21,3733 73451 MP SLOPE2 # (HYSTERESIS SLOPE)
045477,000427: 21,3734 53511 DXCH KMPAC
045478,000428: 21,3735 00006 EXTEND
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Page 1033 |
045480,000430: 21,3736 41516 DCS EDOT
045481,000431: 21,3737 21511 DAS KMPAC
045482,000432:
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Page 1034 |
045484,000434: # COMPUTE THE JET ON TIME NECESSARY TO ACCOMPLISH THE DESIRED CHANGE IN RATE, IE
045485,000435:
045486,000436: # T = J/M(DELTA W)
045487,000437: # J
045488,000438:
045489,000439: # DELTA W = DESIRED CHANGE IN S/C ANGULAR RATE AS DETERMINED BY THE
045490,000440: # SWITCHING LOGIC, AT THIS POINT STORED IN KMPAC.
045491,000441:
045492,000442: # J/M = S/C INERTIA TO TORQUE 9ATIO SCALED BY
045493,000443: # (57.3/450)(B24/1600)(1/.8)
045494,000444: # FOR 1 JET OPERATION (M = 700 FT-LB).
045495,000445: # IE J/M = J(SLUG-FTFT) X 0.00000085601606
045496,000446:
045497,000447: # THE CORRESPONDING COMPUTER VARIABLES ESTABLISHED BY
045498,000448: # KEYBOARD ENTRY ARE
045499,000449: # J/M (ROLL)
045500,000450: # J/M1 (PITCH)
045501,000451: # J/M2 (YAW)
045502,000452:
045503,000453: # T = JET ON-TIME SCALED 16384/1600 SEC
045504,000454: # J
045505,000455:
045506,000456: # THE COMPUTER VARIABLES ARE
045507,000457: # TAU (ROLL)
045508,000458: # TAU1 (PITCH)
045509,000459: # TAU2 (YAW)
045510,000460:
045511,000461:
045512,000462: 21,3740 51506 JTIME INDEX SPNDX # PICK UP S/C INERTIA/TORQUE RATIO
045513,000463: 21,3741 31623 CA J/M # SCALED (57.3/450)(B24/1600)
045514,000464: 21,3742 02060 TC SMALLMP # FOR 1-JET OPERATION
045515,000465: 21,3743 34756 CA BIT11
045516,000466: 21,3744 02060 TC SMALLMP
045517,000467: 21,3745 11510 CCS KMPAC
045518,000468: 21,3746 13752 TCF +4
045519,000469: 21,3747 13756 TCF TAUNORM
045520,000470: 21,3750 13754 TCF +4
045521,000471: 21,3751 13756 TCF TAUNORM
045522,000472: 21,3752 34750 CA POSMAX
045523,000473: 21,3753 13757 TCF DOJET
045524,000474: 21,3754 34752 CA NEGMAX
045525,000475: 21,3755 13757 TCF DOJET
045526,000476:
045527,000477: 21,3756 31511 TAUNORM CA KMPAC +1
045528,000478: 21,3757 51506 DOJET INDEX SPNDX
045529,000479: 21,3760 55561 TS TAU
045530,000480: 21,3761 11506 +2 CCS SPNDX
045531,000481: 21,3762 13456 TCF JLOOP
045532,000482: 21,3763 00006 T6PROG EXTEND # WHEN THE ROTATION COMMANDS (TAUS)
045533,000483: 21,3764 33770 DCA JETADDR # HAVE BEEN DETERMINED
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Page 1035 |
045535,000485: 21,3765 52113 DXCH T5LOC # RESET T5LOC FOR PHASE3
045536,000486: 21,3766 15323 TCF RESUME
045537,000487:
045538,000488: 21,3767 E6,1510 EBANK= KMPAC
045539,000489: 21,3767 02541 36066 JETADDR 2CADR JETSLECT
End of include-file AUTOMATIC_MANEUVERS.agc. Parent file is MAIN.agc