The control input is thruster acceleration, u Next, let us consider an orbit transfer problem with Keplerian orbital elements. Define x = [glow M]", where M is the mean anomaly of the orbit and low = [a, e, i, 2, w], representing the slow variables. R³, whose components are aligned with the radial, transverse, and orbit angular momentum. Denote the relative state between the current and target orbits by slow =Talow-target. Table 3 lists slow at t = 0 and target- Table 3: Keplerian orbital elements of the spacecraft at epoch (t = 0) and the target (ECI frame) Orbital element semi-major axis Spacecraft a=10,000 Target Unit eccentricity inclination e = 0.3 i = 10 target = 60,000 etarget = 0.7 km itarget = 130 degree right ascension of ascending node =0 argument of periapsis Starget = 180 degree w=0 Wtarget = 270 degree slow Consider a candidate Lyapunov function V = xow Kбlow, where K >0. Discuss the positive definiteness of V, and derive the Lyapunov rate of this system. Derive a stabilizing controller for the system, and discuss the stability property of the controlled system (Lyapunov/asymptotic? local/global?), where assume that Balow, i.e., a matrix form of Gauss planetary equations for the slow variables, is full rank. Under no control magnitude constraint, perform the numerical integrations of the controlled system with K = 15, and discuss the results with relevant plots. Be sure to scale the length and time units appropriately and propagate the dynamics for at least 10 days.

Elements Of Electromagnetics
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The control input is thruster acceleration, u
Next, let us consider an orbit transfer problem with Keplerian orbital elements. Define x = [glow M]",
where M is the mean anomaly of the orbit and low = [a, e, i, 2, w], representing the slow variables.
R³, whose components are aligned with the radial,
transverse, and orbit angular momentum. Denote the relative state between the current and target
orbits by slow =Talow-target. Table 3 lists slow at t = 0 and target-
Table 3: Keplerian orbital elements of the spacecraft at epoch (t = 0) and the target (ECI frame)
Orbital element
semi-major axis
Spacecraft
a=10,000
Target
Unit
eccentricity
inclination
e = 0.3
i = 10
target = 60,000
etarget = 0.7
km
itarget = 130
degree
right ascension of ascending node =0
argument of periapsis
Starget
= 180
degree
w=0
Wtarget = 270
degree
slow
Consider a candidate Lyapunov function V = xow Kбlow, where K >0. Discuss the
positive definiteness of V, and derive the Lyapunov rate of this system.
Derive a stabilizing controller for the system, and discuss the stability property of the controlled
system (Lyapunov/asymptotic? local/global?), where assume that Balow, i.e., a matrix form of
Gauss planetary equations for the slow variables, is full rank.
Under no control magnitude constraint, perform the numerical integrations of the controlled
system with K = 15, and discuss the results with relevant plots. Be sure to scale the length and
time units appropriately
and propagate the dynamics for at least 10 days.
Transcribed Image Text:The control input is thruster acceleration, u Next, let us consider an orbit transfer problem with Keplerian orbital elements. Define x = [glow M]", where M is the mean anomaly of the orbit and low = [a, e, i, 2, w], representing the slow variables. R³, whose components are aligned with the radial, transverse, and orbit angular momentum. Denote the relative state between the current and target orbits by slow =Talow-target. Table 3 lists slow at t = 0 and target- Table 3: Keplerian orbital elements of the spacecraft at epoch (t = 0) and the target (ECI frame) Orbital element semi-major axis Spacecraft a=10,000 Target Unit eccentricity inclination e = 0.3 i = 10 target = 60,000 etarget = 0.7 km itarget = 130 degree right ascension of ascending node =0 argument of periapsis Starget = 180 degree w=0 Wtarget = 270 degree slow Consider a candidate Lyapunov function V = xow Kбlow, where K >0. Discuss the positive definiteness of V, and derive the Lyapunov rate of this system. Derive a stabilizing controller for the system, and discuss the stability property of the controlled system (Lyapunov/asymptotic? local/global?), where assume that Balow, i.e., a matrix form of Gauss planetary equations for the slow variables, is full rank. Under no control magnitude constraint, perform the numerical integrations of the controlled system with K = 15, and discuss the results with relevant plots. Be sure to scale the length and time units appropriately and propagate the dynamics for at least 10 days.
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