Advances in Spacecraft Technologies Part 1 pot

... simulator are tested in X direction and in Y direction respectively. 10 -1 10 0 10 1 10 2 -15 -10 -5 0 dB Frequency, Hz 10 -1 10 0 10 1 10 2 -200 -10 0 0 Φ, deg Frequency, ... diagram in X direction 10 -1 10 0 10 1 10 2 -6 -4 -2 0 dB Frequency, Hz 10 0 10 1 10 2 - 200 - 10 0 0 Φ, deg Frequency, Hz Fig. 40. Bode di...

Ngày tải lên: 20/06/2014, 06:20

... -1 10 0 10 1 10 2 -15 -10 -5 0 dB Frequency, Hz 10 -1 10 0 10 1 10 2 -200 -10 0 0 Φ, deg Frequency, Hz Fig. 39. Bode diagram in X direction 10 -1 10 0 10 1 ... February, 2 011 Printed in India A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Advances i...

Ngày tải lên: 20/06/2014, 00:20

... Wear, 19 92, 15 3: 91 10 5. ISSN: 0043 -16 48. Gupta, P. K. (19 91) . Cage unbalance and wear in ball bearings. Wear 19 91; 14 7: 93 10 4. ISSN: 0043 -16 48. Gupta, P. K. (19 88). Frictional instabilities in ... et.al., 19 91; Boesiger and Warner, 19 91; Gupta, 19 88 and 19 91) . The retainer instability problem in attitude control wheels can be eliminated by using retainer...

Ngày tải lên: 20/06/2014, 00:20

... presented in Fig. 11 with the fault detection index defined in Table 1. Advances in Spacecraft Technologies 208 0 5 10 15 -20 -10 0 10 20 J 11 0 5 10 15 -20 -10 0 10 20 J 22 0 5 10 15 -20 -10 0 10 20 J 33 0 ... in Spacecraft Technologies 210 0 5 10 15 -2 -1 0 1 2 x 10 -3 b 1 0 5 10 15 -2 -1 0 1 2 x 10 -3 b 2 0 5 1...

Ngày tải lên: 20/06/2014, 00:20

... 0.0 319 0.0203 0. 016 3 0.0094 0.0079 0.0064 ()Hkm d 76.525 76.732 76.8 41 73.522 74.466 71. 113 70.828 71. 913 72.765 71. 180 ,DEx p C e 1. 713 1. 502 1. 452 1. 337 1. 336 1. 275 1. 229 1. 227 1. 206 1. 177 ... 1. 177 ,DCal C f 1. 743 1. 4 91 1.457 1. 411 1. 389 1. 279 1. 255 1. 233 1. 212 1. 211 (%)Error g 1. 75% 0.73% 0.34% 5.53% 3.97% 0. 31% 2 .12 % 0.49% 0...

Ngày tải lên: 20/06/2014, 00:20

... Experiment Average 2.080749 1. 980765 1. 880782 1. 9 716 522 Max 2. 216 739 2.62 012 1 3.03 815 4 2.842236 Min 1. 993266 1. 72 912 6 1. 2 415 12 1. 732459 Range 0.223473 0.890995 1. 796642 1. 109777 Table 3. Data ... objective spacecraft P is a 2 2 2mmm × × cube, and its body frame coordinates of feature points are respectively { } -1, -1, 1 , { } 1, 1, 1 − −− , { }...

Ngày tải lên: 20/06/2014, 00:20

... continuous and bounded. Then, the following theorem can be obtained. Theorem 1: Consider the following dynamic output controller () 11 1 1 11 11 111 111 1 11 1 33 11 11 , ,,,3, e e cpe nn n n zAzBr yCzCAzBr fkrky AR ... derivative of (38) along with the trajectories as () () () () () () () () 12 3 2 11 1 1 1 22 2 2 2 1 2 11 111 1 111 12 212 1 2 2 T TT TT T ec ec...

Ngày tải lên: 20/06/2014, 00:20

... 24(5): 11 86 11 98. 522 Advances in Spacecraft Technologies 22 Advances in Spacecraft Technologies -0.5 0 0.5 1 1.5 0 5 10 15 20 25 30 35 40 angle [rad] time [ s ] (a) α = 0.4 -0.5 0 0.5 1 1.5 0 5 10 ... 0.009 0.0 21 -0.039 3 6.073 4.620 0 -0. 218 -0.605 -0 .10 3 4 11 .60 9 .11 0 0 -0 .13 3 -0.423 -0. 213 5 18 .88 17 .39 0 0 .11 6 0. 211 -0 .14 0 6 25.29 28.32...

Ngày tải lên: 20/06/2014, 00:20

... Continuous Low Thrust 10 Advances in Spacecraft Technologies 0.5 1 1. 5 2 2.5 30 210 60 240 90 270 12 0 300 15 0 330 18 0 0 Veh .1 SA Veh .1 Coll. Rendezvous (a) Trajectories of the first spacecraft ... Advances in Spacecraft Technologies 0.5 1 1. 5 2 30 210 60 240 90 270 12 0 300 15 0 330 18 0 0 Veh .1 Veh.2 (a) Trajectories for a rendezvous between...

Ngày tải lên: 20/06/2014, 00:20

... 2 010 ): T (s)= ( s/aζω n ) +1 s 2 /ω 2 n + 2ζ(s/ω n ) +1 . (7) 4 Advances in PID Control free online editions of InTech Books and Journals can be found at www.intechopen.com 4 PID Control 0 5 10 15 1 −0.5 0 0.5 1 1.5 Time [s] Step ... terms T n (s)=T 1 (s)+T 2 (s), (9) = 1 s 2 + 2ζs + 1 + 1 aζ s s 2 + 2ζs + 1 , (10 ) where T 1 (s) can be viewed as the original ter...

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