def test_solar_torque_type(self):
sat = Satellite(np.array([1., 0., 0., 0., 0., 0., 0.]), 13.)
sat.setPos(np.array([7070e3, 0., 0.]))
v_sv_i = np.array([1.0, 0.0, 0.0])
sat.setSun_i(v_sv_i)
sat.setLight(0)
result = dist.vTSdB(sat)
self.assertEqual(type(result), np.ndarray)
def test_solar_torque_value(self):
state = np.array([1., 0., 0., 0., 0.1, -0.02, -0.2])
mySat = Satellite(state, 128.05)
v_sv_i = np.array([1.0, 0.0, 0.0]) #sun vector in eci frame
mySat.setSun_i(v_sv_i)
result = dist.solar_torque(mySat)
print result
self.assertTrue(
np.allclose(result,
[0.00000000e+00, -3.66624000e-11, 3.17376000e-10]))
def test_solar_torque_value(self): qBI = np.array([0.,0.,0.,1.]) wBIb = np.array([0.1,-0.02,-0.2]) v_pos_i = np.array([7070e3,0.,0.]) v_vel_i = np.array([0,2e3,6e3]) qBO = fs.qBI2qBO(qBI,v_pos_i,v_vel_i) wBOB = fs.wBIb2wBOb(wBIb,qBO,v_w_IO_o) sat = Satellite(np.hstack((qBO,wBOB)),13.) sat.setQ_BI(qBI) v_sv_i=np.array([1.0,0.0,0.0]) #sun vector in eci frame sat.setSun_i(v_sv_i) sat.setLight(1) dist.solarTorqueb(sat) result = sat.getsolarDisturbance_b() self.assertTrue(np.allclose(result,[ 0.00000000e+00,-3.66624000e-11,3.17376000e-10]))
def test_solar_torque_type(self): qBI = np.array([0.,0.,0.,1.]) wBIb = np.array([0.,0.,0.]) v_pos_i = np.array([7070e3,0.,0.]) v_vel_i = np.array([0,2e3,6e3]) qBO = fs.qBI2qBO(qBI,v_pos_i,v_vel_i) wBOB = fs.wBIb2wBOb(wBIb,qBO,v_w_IO_o) sat = Satellite(np.hstack((qBO,wBOB)),13.) sat.setQ_BI(qBI) sat.setPos(np.array([7070e3,0.,0.])) v_sv_i=np.array([1.0,0.0,0.0]) sat.setSun_i(v_sv_i) sat.setLight(1) dist.solarTorqueb(sat) result = sat.getsolarDisturbance_b() self.assertEqual(type(result),np.ndarray)