Advances in Spacecraft Technologies Part 11 pot
Advances in Spacecraft Technologies Part 11 pot
... following theorem can be obtained. Theorem 1: Consider the following dynamic output controller () 11 1 1 111 1 111 1111 111 33 111 1 , ,,,3, e e cpe nn n n zAzBr yCzCAzBr fkrky AR BR CR n ××× ⎧ =+ ⎪ ⎪ == ... closely approximates the instantaneous DSGI. For problems involving time invariant steady state trajectory 400 Advances in Spacecraft Technologies Advances in Spac...
Ngày tải lên: 20/06/2014, 00:20
Advances in Spacecraft Technologies Part 3 potx
... designs of bearing units available such as rotating shaft design and rotating housing design. In rotating shaft design, the bearing housing is rigidly mounted on Advances in Spacecraft Technologies ... rotating housing bearing unit used in a momentum wheel. In bearing units, ball bearings with non-metallic retainers [cages] are generally used. However, retainerless bearings...
Ngày tải lên: 20/06/2014, 00:20
Advances in Spacecraft Technologies Part 6 pot
... written in vector form as [] [] T 123 T 12 13 21 23 31 32 λ = λλλ δ = δδδδδδ (13) Part 2 Cutting Edge State Estimation Techniques Advances in Spacecraft Technologies 222 estimates in ... 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 -1...
Ngày tải lên: 20/06/2014, 00:20
Advances in Spacecraft Technologies Part 9 pot
... near-continuum flow while the Knudsen number diminishes from 0.5Kn ∞ = to 0.01Kn ∞ = . Advances in Spacecraft Technologies 344 Fig. 19. Minimum Drag Coefficient Profile For A Cylinder ... Gas-Kinetic Unified Algorithm for Re-Entering Complex Flows Covering Various Flow Regimes by Solving Boltzmann Model Equation 311 Fig. 16. Continuum Navier-Stokes solutions past cy...
Ngày tải lên: 20/06/2014, 00:20
Advances in Spacecraft Technologies Part 10 potx
... MPGI singularity have been provided in the context of GDI control. One solution is made by deactivating the particular part of the GDI control law in the vicinity of singularity, resulting in discontinuous ... system dynamics without distinguishing between types of nonlinearities. For instance, a nonlinearity may cause the spacecraft at a particular time instant to accelerate in a...
Ngày tải lên: 20/06/2014, 00:20
Advances in Spacecraft Technologies Part 14 potx
... Planning 3-d collision-free dynamic robotic motion through iterative reshaping, Robotics, IEEE Transactions on 24(5): 118 6 119 8. 522 Advances in Spacecraft Technologies 22 Advances in Spacecraft Technologies -0.5 0 0.5 1 1.5 0 ... 40 estimated moment of inertia [kgm ] time [ s ] Fig. 17. Time response of the estimated moment of inertia of the main body. 520 Advances in...
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Advances in Spacecraft Technologies Part 16 pot
... respectively 592 Advances in Spacecraft Technologies 12 Advances in Spacecraft Technologies vehicles in proximate, highly elliptic orbits, Advances in the Astronautical Seciences 119 : 879–895. Park, ... for each spacecraft is presented in Fig. 4. 593 Rendezvous Between Two Active Spacecraft with Continuous Low Thrust 6 Advances in Spacecraft Technologies...
Ngày tải lên: 20/06/2014, 00:20
Advances in Spacecraft Technologies Part 1 pot
... 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 in Spacecraft Technologies, ... re-emerging troubles of actual spacecraft docking to help finding solution, checking the initial docking conditions of spacecraft docking process, testing the action and...
Ngày tải lên: 20/06/2014, 06:20
Advances in PID Control Part 11 pot
... stability margin is investigated. In this case, the integrator is included, so the phase starts -90deg. In addition, the phase is shifted by the influence of dead time element He(s) as shown in Fig. ... capacitance vs. stability margin. 0 2 4 6 8 10 12 200 250 300 350 400 450 500 Capacitance(uF) Gain Margin(dB 0 10 20 30 40 50 60 Phase Margin(deg ) Ga in Ma rgin Phase Margin...
Ngày tải lên: 19/06/2014, 12:20
Advances in Satellite Communications Part 11 pot
... required to refine the initial solution. In particular, such an approach could lead to sub-optimum designs owing to the presence of local minima in the pertaining cost function. In order to overcome ... rectangular waveguides operating in the single-mode regime. In other words, the OMT should in fact be described using the four-port scattering matrix shown in Fig. 5.1 (Peveri...
Ngày tải lên: 19/06/2014, 19:20