Description

Standard attitude profile for satellite.

Object Model

Public Properties

Basic	Get the basic attitude properties.
External	Get the precomputed (external) attitude properties.
IntegratedAttitude	Returns a reference to the Integrated Attitude Tool.
Pointing	Get the target pointing attitude properties.

Interfaces

Implemented Interface
IAgVeAttitudeStandard

Example

Configure Target Slew for a satellite

[C#] Copy Code

IAgVeOrbitAttitudeStandard orbitAttStandard = satellite.Attitude as IAgVeOrbitAttitudeStandard; 

orbitAttStandard.Pointing.UseTargetPointing = true; 

orbitAttStandard.Pointing.Targets.Add("Facility/FacSlew"); 

orbitAttStandard.Pointing.TargetSlew.SetSlewModeType(AgEVeSlewMode.eVeSlewModeConstrained2ndOrderSpline); 

 

IAgVeAttSlewConstrained constrainedSlew = orbitAttStandard.Pointing.TargetSlew.SlewMode as IAgVeAttSlewConstrained; 

constrainedSlew.MaximumSlewTime = 20.0; //sec 

constrainedSlew.SlewTimingBetweenTargets = AgEVeSlewTimingBetweenTargets.eVeSlewTimingBetweenTargetsOptimal; 

 

IAgVeAttMaximumSlewRate maxRate = constrainedSlew.MaximumSlewRate; 

maxRate.Magnitude = 10.0; //deg/sec^2 

maxRate.PerAxisXEnabled = true; 

maxRate.PerAxisX = 5.0; //deg/sec^2 

maxRate.PerAxisYEnabled = true; 

maxRate.PerAxisY = 5.0; //deg/sec^2 

maxRate.PerAxisZEnabled = true; 

maxRate.PerAxisZ = 5.0; //deg/sec^2 

 

IAgVeAttMaximumSlewAcceleration maxAcceleration = constrainedSlew.MaximumSlewAcceleration; 

maxAcceleration.Magnitude = 10.0; //deg/sec^2 

maxAcceleration.PerAxisXAccelEnabled = true; 

maxAcceleration.PerAxisXAccel = 5.0; //deg/sec^2 

maxAcceleration.PerAxisYAccelEnabled = true; 

maxAcceleration.PerAxisYAccel = 5.0; //deg/sec^2 

maxAcceleration.PerAxisZAccelEnabled = true; 

maxAcceleration.PerAxisZAccel = 5.0; //deg/sec^2

Configure Target Slew for a satellite

[Visual Basic .NET] Copy Code

Dim orbitAttStandard As IAgVeOrbitAttitudeStandard = TryCast(satellite.Attitude, IAgVeOrbitAttitudeStandard)
 orbitAttStandard.Pointing.UseTargetPointing = True
 orbitAttStandard.Pointing.Targets.Add("Facility/FacSlew")
 orbitAttStandard.Pointing.TargetSlew.SetSlewModeType(AgEVeSlewMode.eVeSlewModeConstrained2ndOrderSpline)

Dim constrainedSlew As IAgVeAttSlewConstrained = TryCast(orbitAttStandard.Pointing.TargetSlew.SlewMode, IAgVeAttSlewConstrained)
 constrainedSlew.MaximumSlewTime = 20
'sec
 constrainedSlew.SlewTimingBetweenTargets = AgEVeSlewTimingBetweenTargets.eVeSlewTimingBetweenTargetsOptimal

Dim maxRate As IAgVeAttMaximumSlewRate = constrainedSlew.MaximumSlewRate
 maxRate.Magnitude = 10
'deg/sec^2
 maxRate.PerAxisXEnabled = True
 maxRate.PerAxisX = 5
'deg/sec^2
 maxRate.PerAxisYEnabled = True
 maxRate.PerAxisY = 5
'deg/sec^2
 maxRate.PerAxisZEnabled = True
 maxRate.PerAxisZ = 5
'deg/sec^2
Dim maxAcceleration As IAgVeAttMaximumSlewAcceleration = constrainedSlew.MaximumSlewAcceleration
 maxAcceleration.Magnitude = 10
'deg/sec^2
 maxAcceleration.PerAxisXAccelEnabled = True
 maxAcceleration.PerAxisXAccel = 5
'deg/sec^2
 maxAcceleration.PerAxisYAccelEnabled = True
 maxAcceleration.PerAxisYAccel = 5
'deg/sec^2
 maxAcceleration.PerAxisZAccelEnabled = True
 maxAcceleration.PerAxisZAccel = 5
'deg/sec^2

Set satellite attitude basic spinning

[MATLAB] Copy Code

% IAgSatellite satellite: Satellite object 
basic = satellite.Attitude.Basic; 
basic.SetProfileType('eProfileSpinning') 
basic.Profile.Body.AssignXYZ(0,0,1) 
basic.Profile.Inertial.AssignXYZ(0,1,0); 
basic.Profile.Rate = 6;  % rev/sec

Set satellite attitude targeting

[MATLAB] Copy Code

% IAgSatellite satellite: Satellite object 
attitudePointing = satellite.Attitude.Pointing; 
attitudePointing.UseTargetPointing = 1; 
attitudePointing.Targets.RemoveAll; 
attitudePointing.Targets.Add('AreaTarget/MyAreaTarget'); 
attitudePointing.TargetTimes.UseAccessTimes;

Set satellite attitude external

[MATLAB] Copy Code

% IAgSatellite satellite: Satellite object 
satellite.Attitude.External.Load('C:\Program Files\AGI\STK 11\Help\stktraining\text\AttitudeTimeEulerAngles_Example.a');

Set up target slewing

[MATLAB] Copy Code

% IAgSatellite satellite: Satellite object 
attitudeSlewing = satellite.Attitude.Pointing.TargetSlew; 
attitudeSlewing.SetSlewModeType('eVeSlewModeConstrained2ndOrderSpline'); 
 
constrainedSlew = attitudeSlewing.SlewMode; 
constrainedSlew.MaximumSlewTime = 20; % sec 
constrainedSlew.SlewTimingBetweenTargets = 'eVeSlewTimingBetweenTargetsOptimal'; 
 
maxRate = constrainedSlew.MaximumSlewRate; 
maxRate.Magnitude = 10; % deg/sec 
maxRate.PerAxisXEnabled = 1; 
maxRate.PerAxisX = 5; % deg/sec 
maxRate.PerAxisYEnabled = 1; 
maxRate.PerAxisY = 5; % deg/sec 
maxRate.PerAxisZEnabled = 1; 
maxRate.PerAxisZ = 5; % deg/sec 
 
maxAcceleration = constrainedSlew.MaximumSlewAcceleration; 
maxAcceleration.Magnitude = 10; % deg/sec^2 
maxAcceleration.PerAxisXAccelEnabled = 1; 
maxAcceleration.PerAxisXAccel = 5; % deg/sec^2 
maxAcceleration.PerAxisYAccelEnabled = 1; 
maxAcceleration.PerAxisYAccel = 5; % deg/sec^2 
maxAcceleration.PerAxisZAccelEnabled = 1; 
maxAcceleration.PerAxisZAccel = 5; % deg/sec^2

Set satellite attitude basic spinning

[Python] Copy Code

# IAgSatellite satellite: Satellite object 
basic = satellite.Attitude.Basic 
basic.SetProfileType(16) # eProfileSpinning 
basic.Profile.Body.AssignXYZ(0,0,1) 
basic.Profile.Inertial.AssignXYZ(0,1,0) 
basic.Profile.Rate = 6  # rev/sec

Set satellite attitude targeting

[Python] Copy Code

# IAgSatellite satellite: Satellite object 
attitudePointing = satellite.Attitude.Pointing 
attitudePointing.UseTargetPointing = 1 
attitudePointing.Targets.RemoveAll() 
attitudePointing.Targets.Add('AreaTarget/MyAreaTarget') 
attitudePointing.TargetTimes.UseAccessTimes = True

Set satellite attitude external

[Python] Copy Code

# IAgSatellite satellite: Satellite object 
satellite.Attitude.External.Load(r'C:\Program Files\AGI\STK 11\Help\stktraining\text\AttitudeTimeEulerAngles_Example.a')

CoClasses that Implement IAgVeOrbitAttitudeStandard

Name
AgVeOrbitAttitudeStandard

AGI STK Objects 11	Send comments on this topic.
IAgVeOrbitAttitudeStandard Interface