diff options
7 files changed, 287 insertions, 393 deletions
diff --git a/src/modules/attitude_estimator_ekf/AttitudeEKF.m b/src/modules/attitude_estimator_ekf/AttitudeEKF.m index 1218cb65d..fea1a773e 100644 --- a/src/modules/attitude_estimator_ekf/AttitudeEKF.m +++ b/src/modules/attitude_estimator_ekf/AttitudeEKF.m @@ -166,15 +166,16 @@ P_apr=A_lin*P_apo*A_lin'+Q; %% update if zFlag(1)==1&&zFlag(2)==1&&zFlag(3)==1 - R=[r_gyro,0,0,0,0,0,0,0,0; - 0,r_gyro,0,0,0,0,0,0,0; - 0,0,r_gyro,0,0,0,0,0,0; - 0,0,0,r_accel,0,0,0,0,0; - 0,0,0,0,r_accel,0,0,0,0; - 0,0,0,0,0,r_accel,0,0,0; - 0,0,0,0,0,0,r_mag,0,0; - 0,0,0,0,0,0,0,r_mag,0; - 0,0,0,0,0,0,0,0,r_mag]; +% R=[r_gyro,0,0,0,0,0,0,0,0; +% 0,r_gyro,0,0,0,0,0,0,0; +% 0,0,r_gyro,0,0,0,0,0,0; +% 0,0,0,r_accel,0,0,0,0,0; +% 0,0,0,0,r_accel,0,0,0,0; +% 0,0,0,0,0,r_accel,0,0,0; +% 0,0,0,0,0,0,r_mag,0,0; +% 0,0,0,0,0,0,0,r_mag,0; +% 0,0,0,0,0,0,0,0,r_mag]; + R_v=[r_gyro,r_gyro,r_gyro,r_accel,r_accel,r_accel,r_mag,r_mag,r_mag]; %observation matrix %[zw;ze;zmk]; H_k=[ E, Z, Z, Z; @@ -184,7 +185,9 @@ if zFlag(1)==1&&zFlag(2)==1&&zFlag(3)==1 y_k=z(1:9)-H_k*x_apr; - S_k=H_k*P_apr*H_k'+R; + %S_k=H_k*P_apr*H_k'+R; + S_k=H_k*P_apr*H_k'; + S_k(1:9+1:end) = S_k(1:9+1:end) + R_v; K_k=(P_apr*H_k'/(S_k)); @@ -196,13 +199,16 @@ else R=[r_gyro,0,0; 0,r_gyro,0; 0,0,r_gyro]; + R_v=[r_gyro,r_gyro,r_gyro]; %observation matrix H_k=[ E, Z, Z, Z]; y_k=z(1:3)-H_k(1:3,1:12)*x_apr; - S_k=H_k(1:3,1:12)*P_apr*H_k(1:3,1:12)'+R(1:3,1:3); + % S_k=H_k(1:3,1:12)*P_apr*H_k(1:3,1:12)'+R(1:3,1:3); + S_k=H_k(1:3,1:12)*P_apr*H_k(1:3,1:12)'; + S_k(1:3+1:end) = S_k(1:3+1:end) + R_v; K_k=(P_apr*H_k(1:3,1:12)'/(S_k)); @@ -211,13 +217,14 @@ else else if zFlag(1)==1&&zFlag(2)==1&&zFlag(3)==0 - R=[r_gyro,0,0,0,0,0; - 0,r_gyro,0,0,0,0; - 0,0,r_gyro,0,0,0; - 0,0,0,r_accel,0,0; - 0,0,0,0,r_accel,0; - 0,0,0,0,0,r_accel]; +% R=[r_gyro,0,0,0,0,0; +% 0,r_gyro,0,0,0,0; +% 0,0,r_gyro,0,0,0; +% 0,0,0,r_accel,0,0; +% 0,0,0,0,r_accel,0; +% 0,0,0,0,0,r_accel]; + R_v=[r_gyro,r_gyro,r_gyro,r_accel,r_accel,r_accel]; %observation matrix H_k=[ E, Z, Z, Z; @@ -225,7 +232,9 @@ else y_k=z(1:6)-H_k(1:6,1:12)*x_apr; - S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'+R(1:6,1:6); + % S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'+R(1:6,1:6); + S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'; + S_k(1:6+1:end) = S_k(1:6+1:end) + R_v; K_k=(P_apr*H_k(1:6,1:12)'/(S_k)); @@ -233,12 +242,13 @@ else P_apo=(eye(12)-K_k*H_k(1:6,1:12))*P_apr; else if zFlag(1)==1&&zFlag(2)==0&&zFlag(3)==1 - R=[r_gyro,0,0,0,0,0; - 0,r_gyro,0,0,0,0; - 0,0,r_gyro,0,0,0; - 0,0,0,r_mag,0,0; - 0,0,0,0,r_mag,0; - 0,0,0,0,0,r_mag]; +% R=[r_gyro,0,0,0,0,0; +% 0,r_gyro,0,0,0,0; +% 0,0,r_gyro,0,0,0; +% 0,0,0,r_mag,0,0; +% 0,0,0,0,r_mag,0; +% 0,0,0,0,0,r_mag]; + R_v=[r_gyro,r_gyro,r_gyro,r_mag,r_mag,r_mag]; %observation matrix H_k=[ E, Z, Z, Z; @@ -246,7 +256,9 @@ else y_k=[z(1:3);z(7:9)]-H_k(1:6,1:12)*x_apr; - S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'+R(1:6,1:6); + %S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'+R(1:6,1:6); + S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'; + S_k(1:6+1:end) = S_k(1:6+1:end) + R_v; K_k=(P_apr*H_k(1:6,1:12)'/(S_k)); diff --git a/src/modules/attitude_estimator_ekf/attitudeKalmanfilter.prj b/src/modules/attitude_estimator_ekf/attitudeKalmanfilter.prj index a8315bf57..9ea520346 100644 --- a/src/modules/attitude_estimator_ekf/attitudeKalmanfilter.prj +++ b/src/modules/attitude_estimator_ekf/attitudeKalmanfilter.prj @@ -1,6 +1,6 @@ <?xml version="1.0" encoding="UTF-8"?>
<deployment-project plugin="plugin.matlabcoder" plugin-version="R2013a">
- <configuration target="target.matlab.coder" target-name="MEX, C, and C++ Code Generation" name="attitudeKalmanfilter" location="/home/thomasgubler/src/Firmware/src/modules/attitude_estimator_ekf" file="/home/thomasgubler/src/Firmware/src/modules/attitude_estimator_ekf/attitudeKalmanfilter.prj" build-checksum="2197173368">
+ <configuration target="target.matlab.coder" target-name="MEX, C, and C++ Code Generation" name="attitudeKalmanfilter" location="/home/thomasgubler/src/Firmware/src/modules/attitude_estimator_ekf" file="/home/thomasgubler/src/Firmware/src/modules/attitude_estimator_ekf/attitudeKalmanfilter.prj" build-checksum="1213478164">
<profile key="profile.mex">
<param.MergeInstrumentationResults>false</param.MergeInstrumentationResults>
<param.BuiltInstrumentedMex>false</param.BuiltInstrumentedMex>
@@ -112,7 +112,7 @@ <param.EnableVariableSizing>false</param.EnableVariableSizing>
<param.DynamicMemoryAllocation>option.DynamicMemoryAllocation.Threshold</param.DynamicMemoryAllocation>
<param.DynamicMemoryAllocationThreshold>65536</param.DynamicMemoryAllocationThreshold>
- <param.StackUsageMax>200000</param.StackUsageMax>
+ <param.StackUsageMax>4000</param.StackUsageMax>
<param.MultiInstanceCode>false</param.MultiInstanceCode>
<param.FilePartitionMethod>option.FilePartitionMethod.SingleFile</param.FilePartitionMethod>
<param.GenerateComments>true</param.GenerateComments>
@@ -215,7 +215,6 @@ <param.PurelyIntegerCode />
<param.DynamicMemoryAllocation />
<param.DynamicMemoryAllocationThreshold />
- <param.StackUsageMax />
<param.MultiInstanceCode />
<param.GenerateComments />
<param.MATLABFcnDesc />
@@ -492,7 +491,7 @@ <vista>false</vista>
<linux>true</linux>
<solaris>false</solaris>
- <osver>3.15.5-1-ARCH</osver>
+ <osver>3.16.1-1-ARCH</osver>
<os32>false</os32>
<os64>true</os64>
<arch>glnxa64</arch>
diff --git a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp index 667b74d1d..766171a0f 100755 --- a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp +++ b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp @@ -132,7 +132,7 @@ int attitude_estimator_ekf_main(int argc, char *argv[]) attitude_estimator_ekf_task = task_spawn_cmd("attitude_estimator_ekf", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, - 14000, + 7200, attitude_estimator_ekf_thread_main, (argv) ? (const char **)&argv[2] : (const char **)NULL); exit(0); diff --git a/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF.c b/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF.c index d568e5737..68db382cf 100644 --- a/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF.c +++ b/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF.c @@ -3,7 +3,7 @@ * * Code generation for function 'AttitudeEKF' * - * C source code generated on: Fri Jul 25 14:06:41 2014 + * C source code generated on: Thu Aug 21 11:17:28 2014 * */ @@ -438,67 +438,66 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char float fv4[3]; float x_apr[12]; signed char I[144]; - float A_lin[144]; + static float A_lin[144]; static const signed char iv1[36] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; - float b_A_lin[144]; + static float b_A_lin[144]; float v[12]; - float P_apr[144]; - float b_P_apr[108]; + static float P_apr[144]; + float a[108]; + static const signed char b_a[108] = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }; + + float S_k[81]; static const signed char b[108] = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }; + float b_r_gyro[9]; float K_k[108]; - float a[81]; - static const signed char b_a[108] = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }; - - float b_r_gyro[81]; - float c_a[81]; - float d_a[36]; - static const signed char e_a[36] = { 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, + float b_S_k[36]; + static const signed char c_a[36] = { 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; static const signed char b_b[36] = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; - float c_r_gyro[9]; - float b_K_k[36]; + float c_r_gyro[3]; + float B[36]; int r3; float a21; - float f_a[36]; - float c_P_apr[72]; + float Y[36]; + float d_a[72]; + static const signed char e_a[72] = { 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0 }; + static const signed char c_b[72] = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0 }; - float c_K_k[72]; - static const signed char g_a[72] = { 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, - 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0 }; + float d_r_gyro[6]; + float c_S_k[6]; + float b_K_k[72]; + static const signed char f_a[72] = { 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, + 0, 0, 0, 0, 0, 1 }; - float b_z[6]; static const signed char d_b[72] = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }; - static const signed char h_a[72] = { 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, - 0, 0, 0, 0, 0, 1 }; - - float i_a[6]; - float c_z[6]; + float b_z[6]; /* LQG Postion Estimator and Controller */ /* Observer: */ @@ -898,138 +897,71 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char /* % update */ /* 'AttitudeEKF:167' if zFlag(1)==1&&zFlag(2)==1&&zFlag(3)==1 */ if ((zFlag[0] == 1) && (zFlag[1] == 1) && (zFlag[2] == 1)) { - /* 'AttitudeEKF:169' R=[r_gyro,0,0,0,0,0,0,0,0; */ - /* 'AttitudeEKF:170' 0,r_gyro,0,0,0,0,0,0,0; */ - /* 'AttitudeEKF:171' 0,0,r_gyro,0,0,0,0,0,0; */ - /* 'AttitudeEKF:172' 0,0,0,r_accel,0,0,0,0,0; */ - /* 'AttitudeEKF:173' 0,0,0,0,r_accel,0,0,0,0; */ - /* 'AttitudeEKF:174' 0,0,0,0,0,r_accel,0,0,0; */ - /* 'AttitudeEKF:175' 0,0,0,0,0,0,r_mag,0,0; */ - /* 'AttitudeEKF:176' 0,0,0,0,0,0,0,r_mag,0; */ - /* 'AttitudeEKF:177' 0,0,0,0,0,0,0,0,r_mag]; */ + /* R=[r_gyro,0,0,0,0,0,0,0,0; */ + /* 0,r_gyro,0,0,0,0,0,0,0; */ + /* 0,0,r_gyro,0,0,0,0,0,0; */ + /* 0,0,0,r_accel,0,0,0,0,0; */ + /* 0,0,0,0,r_accel,0,0,0,0; */ + /* 0,0,0,0,0,r_accel,0,0,0; */ + /* 0,0,0,0,0,0,r_mag,0,0; */ + /* 0,0,0,0,0,0,0,r_mag,0; */ + /* 0,0,0,0,0,0,0,0,r_mag]; */ + /* 'AttitudeEKF:178' R_v=[r_gyro,r_gyro,r_gyro,r_accel,r_accel,r_accel,r_mag,r_mag,r_mag]; */ /* observation matrix */ /* [zw;ze;zmk]; */ - /* 'AttitudeEKF:180' H_k=[ E, Z, Z, Z; */ - /* 'AttitudeEKF:181' Z, Z, E, Z; */ - /* 'AttitudeEKF:182' Z, Z, Z, E]; */ - /* 'AttitudeEKF:184' y_k=z(1:9)-H_k*x_apr; */ - /* 'AttitudeEKF:187' S_k=H_k*P_apr*H_k'+R; */ - /* 'AttitudeEKF:188' K_k=(P_apr*H_k'/(S_k)); */ - for (r2 = 0; r2 < 12; r2++) { - for (i = 0; i < 9; i++) { - b_P_apr[r2 + 12 * i] = 0.0F; - for (r1 = 0; r1 < 12; r1++) { - b_P_apr[r2 + 12 * i] += P_apr[r2 + 12 * r1] * (float)b[r1 + 12 * i]; - } - } - } - + /* 'AttitudeEKF:181' H_k=[ E, Z, Z, Z; */ + /* 'AttitudeEKF:182' Z, Z, E, Z; */ + /* 'AttitudeEKF:183' Z, Z, Z, E]; */ + /* 'AttitudeEKF:185' y_k=z(1:9)-H_k*x_apr; */ + /* S_k=H_k*P_apr*H_k'+R; */ + /* 'AttitudeEKF:189' S_k=H_k*P_apr*H_k'; */ for (r2 = 0; r2 < 9; r2++) { for (i = 0; i < 12; i++) { - K_k[r2 + 9 * i] = 0.0F; + a[r2 + 9 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - K_k[r2 + 9 * i] += (float)b_a[r2 + 9 * r1] * P_apr[r1 + 12 * i]; + a[r2 + 9 * i] += (float)b_a[r2 + 9 * r1] * P_apr[r1 + 12 * i]; } } for (i = 0; i < 9; i++) { - a[r2 + 9 * i] = 0.0F; + S_k[r2 + 9 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - a[r2 + 9 * i] += K_k[r2 + 9 * r1] * (float)b[r1 + 12 * i]; + S_k[r2 + 9 * i] += a[r2 + 9 * r1] * (float)b[r1 + 12 * i]; } } } + /* 'AttitudeEKF:190' S_k(1:9+1:end) = S_k(1:9+1:end) + R_v; */ b_r_gyro[0] = r_gyro; - b_r_gyro[9] = 0.0F; - b_r_gyro[18] = 0.0F; - b_r_gyro[27] = 0.0F; - b_r_gyro[36] = 0.0F; - b_r_gyro[45] = 0.0F; - b_r_gyro[54] = 0.0F; - b_r_gyro[63] = 0.0F; - b_r_gyro[72] = 0.0F; - b_r_gyro[1] = 0.0F; - b_r_gyro[10] = r_gyro; - b_r_gyro[19] = 0.0F; - b_r_gyro[28] = 0.0F; - b_r_gyro[37] = 0.0F; - b_r_gyro[46] = 0.0F; - b_r_gyro[55] = 0.0F; - b_r_gyro[64] = 0.0F; - b_r_gyro[73] = 0.0F; - b_r_gyro[2] = 0.0F; - b_r_gyro[11] = 0.0F; - b_r_gyro[20] = r_gyro; - b_r_gyro[29] = 0.0F; - b_r_gyro[38] = 0.0F; - b_r_gyro[47] = 0.0F; - b_r_gyro[56] = 0.0F; - b_r_gyro[65] = 0.0F; - b_r_gyro[74] = 0.0F; - b_r_gyro[3] = 0.0F; - b_r_gyro[12] = 0.0F; - b_r_gyro[21] = 0.0F; - b_r_gyro[30] = r_accel; - b_r_gyro[39] = 0.0F; - b_r_gyro[48] = 0.0F; - b_r_gyro[57] = 0.0F; - b_r_gyro[66] = 0.0F; - b_r_gyro[75] = 0.0F; - b_r_gyro[4] = 0.0F; - b_r_gyro[13] = 0.0F; - b_r_gyro[22] = 0.0F; - b_r_gyro[31] = 0.0F; - b_r_gyro[40] = r_accel; - b_r_gyro[49] = 0.0F; - b_r_gyro[58] = 0.0F; - b_r_gyro[67] = 0.0F; - b_r_gyro[76] = 0.0F; - b_r_gyro[5] = 0.0F; - b_r_gyro[14] = 0.0F; - b_r_gyro[23] = 0.0F; - b_r_gyro[32] = 0.0F; - b_r_gyro[41] = 0.0F; - b_r_gyro[50] = r_accel; - b_r_gyro[59] = 0.0F; - b_r_gyro[68] = 0.0F; - b_r_gyro[77] = 0.0F; - b_r_gyro[6] = 0.0F; - b_r_gyro[15] = 0.0F; - b_r_gyro[24] = 0.0F; - b_r_gyro[33] = 0.0F; - b_r_gyro[42] = 0.0F; - b_r_gyro[51] = 0.0F; - b_r_gyro[60] = r_mag; - b_r_gyro[69] = 0.0F; - b_r_gyro[78] = 0.0F; - b_r_gyro[7] = 0.0F; - b_r_gyro[16] = 0.0F; - b_r_gyro[25] = 0.0F; - b_r_gyro[34] = 0.0F; - b_r_gyro[43] = 0.0F; - b_r_gyro[52] = 0.0F; - b_r_gyro[61] = 0.0F; - b_r_gyro[70] = r_mag; - b_r_gyro[79] = 0.0F; - b_r_gyro[8] = 0.0F; - b_r_gyro[17] = 0.0F; - b_r_gyro[26] = 0.0F; - b_r_gyro[35] = 0.0F; - b_r_gyro[44] = 0.0F; - b_r_gyro[53] = 0.0F; - b_r_gyro[62] = 0.0F; - b_r_gyro[71] = 0.0F; - b_r_gyro[80] = r_mag; + b_r_gyro[1] = r_gyro; + b_r_gyro[2] = r_gyro; + b_r_gyro[3] = r_accel; + b_r_gyro[4] = r_accel; + b_r_gyro[5] = r_accel; + b_r_gyro[6] = r_mag; + b_r_gyro[7] = r_mag; + b_r_gyro[8] = r_mag; for (r2 = 0; r2 < 9; r2++) { + b_O[r2] = S_k[10 * r2] + b_r_gyro[r2]; + } + + for (r2 = 0; r2 < 9; r2++) { + S_k[10 * r2] = b_O[r2]; + } + + /* 'AttitudeEKF:191' K_k=(P_apr*H_k'/(S_k)); */ + for (r2 = 0; r2 < 12; r2++) { for (i = 0; i < 9; i++) { - c_a[i + 9 * r2] = a[i + 9 * r2] + b_r_gyro[i + 9 * r2]; + a[r2 + 12 * i] = 0.0F; + for (r1 = 0; r1 < 12; r1++) { + a[r2 + 12 * i] += P_apr[r2 + 12 * r1] * (float)b[r1 + 12 * i]; + } } } - mrdivide(b_P_apr, c_a, K_k); + mrdivide(a, S_k, K_k); - /* 'AttitudeEKF:191' x_apo=x_apr+K_k*y_k; */ + /* 'AttitudeEKF:194' x_apo=x_apr+K_k*y_k; */ for (r2 = 0; r2 < 9; r2++) { maxval = 0.0F; for (i = 0; i < 12; i++) { @@ -1048,7 +980,7 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char x_apo[r2] = x_apr[r2] + maxval; } - /* 'AttitudeEKF:192' P_apo=(eye(12)-K_k*H_k)*P_apr; */ + /* 'AttitudeEKF:195' P_apo=(eye(12)-K_k*H_k)*P_apr; */ memset(&I[0], 0, 144U * sizeof(signed char)); for (i = 0; i < 12; i++) { I[i + 12 * i] = 1; @@ -1074,53 +1006,56 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char } } } else { - /* 'AttitudeEKF:193' else */ - /* 'AttitudeEKF:194' if zFlag(1)==1&&zFlag(2)==0&&zFlag(3)==0 */ + /* 'AttitudeEKF:196' else */ + /* 'AttitudeEKF:197' if zFlag(1)==1&&zFlag(2)==0&&zFlag(3)==0 */ if ((zFlag[0] == 1) && (zFlag[1] == 0) && (zFlag[2] == 0)) { - /* 'AttitudeEKF:196' R=[r_gyro,0,0; */ - /* 'AttitudeEKF:197' 0,r_gyro,0; */ - /* 'AttitudeEKF:198' 0,0,r_gyro]; */ + /* 'AttitudeEKF:199' R=[r_gyro,0,0; */ + /* 'AttitudeEKF:200' 0,r_gyro,0; */ + /* 'AttitudeEKF:201' 0,0,r_gyro]; */ + /* 'AttitudeEKF:202' R_v=[r_gyro,r_gyro,r_gyro]; */ /* observation matrix */ - /* 'AttitudeEKF:201' H_k=[ E, Z, Z, Z]; */ - /* 'AttitudeEKF:203' y_k=z(1:3)-H_k(1:3,1:12)*x_apr; */ - /* 'AttitudeEKF:205' S_k=H_k(1:3,1:12)*P_apr*H_k(1:3,1:12)'+R(1:3,1:3); */ - /* 'AttitudeEKF:206' K_k=(P_apr*H_k(1:3,1:12)'/(S_k)); */ + /* 'AttitudeEKF:205' H_k=[ E, Z, Z, Z]; */ + /* 'AttitudeEKF:207' y_k=z(1:3)-H_k(1:3,1:12)*x_apr; */ + /* S_k=H_k(1:3,1:12)*P_apr*H_k(1:3,1:12)'+R(1:3,1:3); */ + /* 'AttitudeEKF:210' S_k=H_k(1:3,1:12)*P_apr*H_k(1:3,1:12)'; */ for (r2 = 0; r2 < 3; r2++) { for (i = 0; i < 12; i++) { - d_a[r2 + 3 * i] = 0.0F; + b_S_k[r2 + 3 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - d_a[r2 + 3 * i] += (float)e_a[r2 + 3 * r1] * P_apr[r1 + 12 * i]; + b_S_k[r2 + 3 * i] += (float)c_a[r2 + 3 * r1] * P_apr[r1 + 12 * i]; } } - } - for (r2 = 0; r2 < 3; r2++) { for (i = 0; i < 3; i++) { - b_O[r2 + 3 * i] = 0.0F; + O[r2 + 3 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - b_O[r2 + 3 * i] += d_a[i + 3 * r1] * (float)b_b[r1 + 12 * r2]; + O[r2 + 3 * i] += b_S_k[r2 + 3 * r1] * (float)b_b[r1 + 12 * i]; } } } + /* 'AttitudeEKF:211' S_k(1:3+1:end) = S_k(1:3+1:end) + R_v; */ c_r_gyro[0] = r_gyro; - c_r_gyro[1] = 0.0F; - c_r_gyro[2] = 0.0F; - c_r_gyro[3] = 0.0F; - c_r_gyro[4] = r_gyro; - c_r_gyro[5] = 0.0F; - c_r_gyro[6] = 0.0F; - c_r_gyro[7] = 0.0F; - c_r_gyro[8] = r_gyro; + c_r_gyro[1] = r_gyro; + c_r_gyro[2] = r_gyro; + for (r2 = 0; r2 < 3; r2++) { + b_muk[r2] = O[r2 << 2] + c_r_gyro[r2]; + } + + for (r2 = 0; r2 < 3; r2++) { + O[r2 << 2] = b_muk[r2]; + } + + /* 'AttitudeEKF:212' K_k=(P_apr*H_k(1:3,1:12)'/(S_k)); */ for (r2 = 0; r2 < 3; r2++) { for (i = 0; i < 3; i++) { - O[i + 3 * r2] = b_O[i + 3 * r2] + c_r_gyro[i + 3 * r2]; + b_O[i + 3 * r2] = O[r2 + 3 * i]; } for (i = 0; i < 12; i++) { - b_K_k[r2 + 3 * i] = 0.0F; + B[r2 + 3 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - b_K_k[r2 + 3 * i] += P_apr[i + 12 * r1] * (float)b_b[r1 + 12 * r2]; + B[r2 + 3 * i] += P_apr[i + 12 * r1] * (float)b_b[r1 + 12 * r2]; } } } @@ -1128,58 +1063,58 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char r1 = 0; r2 = 1; r3 = 2; - maxval = (real32_T)fabs(O[0]); - a21 = (real32_T)fabs(O[1]); + maxval = (real32_T)fabs(b_O[0]); + a21 = (real32_T)fabs(b_O[1]); if (a21 > maxval) { maxval = a21; r1 = 1; r2 = 0; } - if ((real32_T)fabs(O[2]) > maxval) { + if ((real32_T)fabs(b_O[2]) > maxval) { r1 = 2; r2 = 1; r3 = 0; } - O[r2] /= O[r1]; - O[r3] /= O[r1]; - O[3 + r2] -= O[r2] * O[3 + r1]; - O[3 + r3] -= O[r3] * O[3 + r1]; - O[6 + r2] -= O[r2] * O[6 + r1]; - O[6 + r3] -= O[r3] * O[6 + r1]; - if ((real32_T)fabs(O[3 + r3]) > (real32_T)fabs(O[3 + r2])) { + b_O[r2] /= b_O[r1]; + b_O[r3] /= b_O[r1]; + b_O[3 + r2] -= b_O[r2] * b_O[3 + r1]; + b_O[3 + r3] -= b_O[r3] * b_O[3 + r1]; + b_O[6 + r2] -= b_O[r2] * b_O[6 + r1]; + b_O[6 + r3] -= b_O[r3] * b_O[6 + r1]; + if ((real32_T)fabs(b_O[3 + r3]) > (real32_T)fabs(b_O[3 + r2])) { i = r2; r2 = r3; r3 = i; } - O[3 + r3] /= O[3 + r2]; - O[6 + r3] -= O[3 + r3] * O[6 + r2]; + b_O[3 + r3] /= b_O[3 + r2]; + b_O[6 + r3] -= b_O[3 + r3] * b_O[6 + r2]; for (i = 0; i < 12; i++) { - f_a[3 * i] = b_K_k[r1 + 3 * i]; - f_a[1 + 3 * i] = b_K_k[r2 + 3 * i] - f_a[3 * i] * O[r2]; - f_a[2 + 3 * i] = (b_K_k[r3 + 3 * i] - f_a[3 * i] * O[r3]) - f_a[1 + 3 * - i] * O[3 + r3]; - f_a[2 + 3 * i] /= O[6 + r3]; - f_a[3 * i] -= f_a[2 + 3 * i] * O[6 + r1]; - f_a[1 + 3 * i] -= f_a[2 + 3 * i] * O[6 + r2]; - f_a[1 + 3 * i] /= O[3 + r2]; - f_a[3 * i] -= f_a[1 + 3 * i] * O[3 + r1]; - f_a[3 * i] /= O[r1]; + Y[3 * i] = B[r1 + 3 * i]; + Y[1 + 3 * i] = B[r2 + 3 * i] - Y[3 * i] * b_O[r2]; + Y[2 + 3 * i] = (B[r3 + 3 * i] - Y[3 * i] * b_O[r3]) - Y[1 + 3 * i] * + b_O[3 + r3]; + Y[2 + 3 * i] /= b_O[6 + r3]; + Y[3 * i] -= Y[2 + 3 * i] * b_O[6 + r1]; + Y[1 + 3 * i] -= Y[2 + 3 * i] * b_O[6 + r2]; + Y[1 + 3 * i] /= b_O[3 + r2]; + Y[3 * i] -= Y[1 + 3 * i] * b_O[3 + r1]; + Y[3 * i] /= b_O[r1]; } for (r2 = 0; r2 < 3; r2++) { for (i = 0; i < 12; i++) { - b_K_k[i + 12 * r2] = f_a[r2 + 3 * i]; + b_S_k[i + 12 * r2] = Y[r2 + 3 * i]; } } - /* 'AttitudeEKF:209' x_apo=x_apr+K_k*y_k; */ + /* 'AttitudeEKF:215' x_apo=x_apr+K_k*y_k; */ for (r2 = 0; r2 < 3; r2++) { maxval = 0.0F; for (i = 0; i < 12; i++) { - maxval += (float)e_a[r2 + 3 * i] * x_apr[i]; + maxval += (float)c_a[r2 + 3 * i] * x_apr[i]; } b_muk[r2] = z[r2] - maxval; @@ -1188,13 +1123,13 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char for (r2 = 0; r2 < 12; r2++) { maxval = 0.0F; for (i = 0; i < 3; i++) { - maxval += b_K_k[r2 + 12 * i] * b_muk[i]; + maxval += b_S_k[r2 + 12 * i] * b_muk[i]; } x_apo[r2] = x_apr[r2] + maxval; } - /* 'AttitudeEKF:210' P_apo=(eye(12)-K_k*H_k(1:3,1:12))*P_apr; */ + /* 'AttitudeEKF:216' P_apo=(eye(12)-K_k*H_k(1:3,1:12))*P_apr; */ memset(&I[0], 0, 144U * sizeof(signed char)); for (i = 0; i < 12; i++) { I[i + 12 * i] = 1; @@ -1204,7 +1139,7 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char for (i = 0; i < 12; i++) { maxval = 0.0F; for (r1 = 0; r1 < 3; r1++) { - maxval += b_K_k[r2 + 12 * r1] * (float)e_a[r1 + 3 * i]; + maxval += b_S_k[r2 + 12 * r1] * (float)c_a[r1 + 3 * i]; } A_lin[r2 + 12 * i] = (float)I[r2 + 12 * i] - maxval; @@ -1220,111 +1155,85 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char } } } else { - /* 'AttitudeEKF:211' else */ - /* 'AttitudeEKF:212' if zFlag(1)==1&&zFlag(2)==1&&zFlag(3)==0 */ + /* 'AttitudeEKF:217' else */ + /* 'AttitudeEKF:218' if zFlag(1)==1&&zFlag(2)==1&&zFlag(3)==0 */ if ((zFlag[0] == 1) && (zFlag[1] == 1) && (zFlag[2] == 0)) { - /* 'AttitudeEKF:214' R=[r_gyro,0,0,0,0,0; */ - /* 'AttitudeEKF:215' 0,r_gyro,0,0,0,0; */ - /* 'AttitudeEKF:216' 0,0,r_gyro,0,0,0; */ - /* 'AttitudeEKF:217' 0,0,0,r_accel,0,0; */ - /* 'AttitudeEKF:218' 0,0,0,0,r_accel,0; */ - /* 'AttitudeEKF:219' 0,0,0,0,0,r_accel]; */ + /* R=[r_gyro,0,0,0,0,0; */ + /* 0,r_gyro,0,0,0,0; */ + /* 0,0,r_gyro,0,0,0; */ + /* 0,0,0,r_accel,0,0; */ + /* 0,0,0,0,r_accel,0; */ + /* 0,0,0,0,0,r_accel]; */ + /* 'AttitudeEKF:227' R_v=[r_gyro,r_gyro,r_gyro,r_accel,r_accel,r_accel]; */ /* observation matrix */ - /* 'AttitudeEKF:223' H_k=[ E, Z, Z, Z; */ - /* 'AttitudeEKF:224' Z, Z, E, Z]; */ - /* 'AttitudeEKF:226' y_k=z(1:6)-H_k(1:6,1:12)*x_apr; */ - /* 'AttitudeEKF:228' S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'+R(1:6,1:6); */ - /* 'AttitudeEKF:229' K_k=(P_apr*H_k(1:6,1:12)'/(S_k)); */ - for (r2 = 0; r2 < 12; r2++) { - for (i = 0; i < 6; i++) { - c_P_apr[r2 + 12 * i] = 0.0F; - for (r1 = 0; r1 < 12; r1++) { - c_P_apr[r2 + 12 * i] += P_apr[r2 + 12 * r1] * (float)c_b[r1 + 12 * - i]; - } - } - } - + /* 'AttitudeEKF:230' H_k=[ E, Z, Z, Z; */ + /* 'AttitudeEKF:231' Z, Z, E, Z]; */ + /* 'AttitudeEKF:233' y_k=z(1:6)-H_k(1:6,1:12)*x_apr; */ + /* S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'+R(1:6,1:6); */ + /* 'AttitudeEKF:236' S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'; */ for (r2 = 0; r2 < 6; r2++) { for (i = 0; i < 12; i++) { - c_K_k[r2 + 6 * i] = 0.0F; + d_a[r2 + 6 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - c_K_k[r2 + 6 * i] += (float)g_a[r2 + 6 * r1] * P_apr[r1 + 12 * i]; + d_a[r2 + 6 * i] += (float)e_a[r2 + 6 * r1] * P_apr[r1 + 12 * i]; } } for (i = 0; i < 6; i++) { - d_a[r2 + 6 * i] = 0.0F; + b_S_k[r2 + 6 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - d_a[r2 + 6 * i] += c_K_k[r2 + 6 * r1] * (float)c_b[r1 + 12 * i]; + b_S_k[r2 + 6 * i] += d_a[r2 + 6 * r1] * (float)c_b[r1 + 12 * i]; } } } - b_K_k[0] = r_gyro; - b_K_k[6] = 0.0F; - b_K_k[12] = 0.0F; - b_K_k[18] = 0.0F; - b_K_k[24] = 0.0F; - b_K_k[30] = 0.0F; - b_K_k[1] = 0.0F; - b_K_k[7] = r_gyro; - b_K_k[13] = 0.0F; - b_K_k[19] = 0.0F; - b_K_k[25] = 0.0F; - b_K_k[31] = 0.0F; - b_K_k[2] = 0.0F; - b_K_k[8] = 0.0F; - b_K_k[14] = r_gyro; - b_K_k[20] = 0.0F; - b_K_k[26] = 0.0F; - b_K_k[32] = 0.0F; - b_K_k[3] = 0.0F; - b_K_k[9] = 0.0F; - b_K_k[15] = 0.0F; - b_K_k[21] = r_accel; - b_K_k[27] = 0.0F; - b_K_k[33] = 0.0F; - b_K_k[4] = 0.0F; - b_K_k[10] = 0.0F; - b_K_k[16] = 0.0F; - b_K_k[22] = 0.0F; - b_K_k[28] = r_accel; - b_K_k[34] = 0.0F; - b_K_k[5] = 0.0F; - b_K_k[11] = 0.0F; - b_K_k[17] = 0.0F; - b_K_k[23] = 0.0F; - b_K_k[29] = 0.0F; - b_K_k[35] = r_accel; + /* 'AttitudeEKF:237' S_k(1:6+1:end) = S_k(1:6+1:end) + R_v; */ + d_r_gyro[0] = r_gyro; + d_r_gyro[1] = r_gyro; + d_r_gyro[2] = r_gyro; + d_r_gyro[3] = r_accel; + d_r_gyro[4] = r_accel; + d_r_gyro[5] = r_accel; for (r2 = 0; r2 < 6; r2++) { + c_S_k[r2] = b_S_k[7 * r2] + d_r_gyro[r2]; + } + + for (r2 = 0; r2 < 6; r2++) { + b_S_k[7 * r2] = c_S_k[r2]; + } + + /* 'AttitudeEKF:238' K_k=(P_apr*H_k(1:6,1:12)'/(S_k)); */ + for (r2 = 0; r2 < 12; r2++) { for (i = 0; i < 6; i++) { - f_a[i + 6 * r2] = d_a[i + 6 * r2] + b_K_k[i + 6 * r2]; + d_a[r2 + 12 * i] = 0.0F; + for (r1 = 0; r1 < 12; r1++) { + d_a[r2 + 12 * i] += P_apr[r2 + 12 * r1] * (float)c_b[r1 + 12 * i]; + } } } - b_mrdivide(c_P_apr, f_a, c_K_k); + b_mrdivide(d_a, b_S_k, b_K_k); - /* 'AttitudeEKF:232' x_apo=x_apr+K_k*y_k; */ + /* 'AttitudeEKF:241' x_apo=x_apr+K_k*y_k; */ for (r2 = 0; r2 < 6; r2++) { maxval = 0.0F; for (i = 0; i < 12; i++) { - maxval += (float)g_a[r2 + 6 * i] * x_apr[i]; + maxval += (float)e_a[r2 + 6 * i] * x_apr[i]; } - b_z[r2] = z[r2] - maxval; + d_r_gyro[r2] = z[r2] - maxval; } for (r2 = 0; r2 < 12; r2++) { maxval = 0.0F; for (i = 0; i < 6; i++) { - maxval += c_K_k[r2 + 12 * i] * b_z[i]; + maxval += b_K_k[r2 + 12 * i] * d_r_gyro[i]; } x_apo[r2] = x_apr[r2] + maxval; } - /* 'AttitudeEKF:233' P_apo=(eye(12)-K_k*H_k(1:6,1:12))*P_apr; */ + /* 'AttitudeEKF:242' P_apo=(eye(12)-K_k*H_k(1:6,1:12))*P_apr; */ memset(&I[0], 0, 144U * sizeof(signed char)); for (i = 0; i < 12; i++) { I[i + 12 * i] = 1; @@ -1334,7 +1243,7 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char for (i = 0; i < 12; i++) { maxval = 0.0F; for (r1 = 0; r1 < 6; r1++) { - maxval += c_K_k[r2 + 12 * r1] * (float)g_a[r1 + 6 * i]; + maxval += b_K_k[r2 + 12 * r1] * (float)e_a[r1 + 6 * i]; } A_lin[r2 + 12 * i] = (float)I[r2 + 12 * i] - maxval; @@ -1350,119 +1259,93 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char } } } else { - /* 'AttitudeEKF:234' else */ - /* 'AttitudeEKF:235' if zFlag(1)==1&&zFlag(2)==0&&zFlag(3)==1 */ + /* 'AttitudeEKF:243' else */ + /* 'AttitudeEKF:244' if zFlag(1)==1&&zFlag(2)==0&&zFlag(3)==1 */ if ((zFlag[0] == 1) && (zFlag[1] == 0) && (zFlag[2] == 1)) { - /* 'AttitudeEKF:236' R=[r_gyro,0,0,0,0,0; */ - /* 'AttitudeEKF:237' 0,r_gyro,0,0,0,0; */ - /* 'AttitudeEKF:238' 0,0,r_gyro,0,0,0; */ - /* 'AttitudeEKF:239' 0,0,0,r_mag,0,0; */ - /* 'AttitudeEKF:240' 0,0,0,0,r_mag,0; */ - /* 'AttitudeEKF:241' 0,0,0,0,0,r_mag]; */ + /* R=[r_gyro,0,0,0,0,0; */ + /* 0,r_gyro,0,0,0,0; */ + /* 0,0,r_gyro,0,0,0; */ + /* 0,0,0,r_mag,0,0; */ + /* 0,0,0,0,r_mag,0; */ + /* 0,0,0,0,0,r_mag]; */ + /* 'AttitudeEKF:251' R_v=[r_gyro,r_gyro,r_gyro,r_mag,r_mag,r_mag]; */ /* observation matrix */ - /* 'AttitudeEKF:244' H_k=[ E, Z, Z, Z; */ - /* 'AttitudeEKF:245' Z, Z, Z, E]; */ - /* 'AttitudeEKF:247' y_k=[z(1:3);z(7:9)]-H_k(1:6,1:12)*x_apr; */ - /* 'AttitudeEKF:249' S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'+R(1:6,1:6); */ - /* 'AttitudeEKF:250' K_k=(P_apr*H_k(1:6,1:12)'/(S_k)); */ - for (r2 = 0; r2 < 12; r2++) { - for (i = 0; i < 6; i++) { - c_P_apr[r2 + 12 * i] = 0.0F; - for (r1 = 0; r1 < 12; r1++) { - c_P_apr[r2 + 12 * i] += P_apr[r2 + 12 * r1] * (float)d_b[r1 + 12 - * i]; - } - } - } - + /* 'AttitudeEKF:254' H_k=[ E, Z, Z, Z; */ + /* 'AttitudeEKF:255' Z, Z, Z, E]; */ + /* 'AttitudeEKF:257' y_k=[z(1:3);z(7:9)]-H_k(1:6,1:12)*x_apr; */ + /* S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'+R(1:6,1:6); */ + /* 'AttitudeEKF:260' S_k=H_k(1:6,1:12)*P_apr*H_k(1:6,1:12)'; */ for (r2 = 0; r2 < 6; r2++) { for (i = 0; i < 12; i++) { - c_K_k[r2 + 6 * i] = 0.0F; + d_a[r2 + 6 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - c_K_k[r2 + 6 * i] += (float)h_a[r2 + 6 * r1] * P_apr[r1 + 12 * i]; + d_a[r2 + 6 * i] += (float)f_a[r2 + 6 * r1] * P_apr[r1 + 12 * i]; } } for (i = 0; i < 6; i++) { - d_a[r2 + 6 * i] = 0.0F; + b_S_k[r2 + 6 * i] = 0.0F; for (r1 = 0; r1 < 12; r1++) { - d_a[r2 + 6 * i] += c_K_k[r2 + 6 * r1] * (float)d_b[r1 + 12 * i]; + b_S_k[r2 + 6 * i] += d_a[r2 + 6 * r1] * (float)d_b[r1 + 12 * i]; } } } - b_K_k[0] = r_gyro; - b_K_k[6] = 0.0F; - b_K_k[12] = 0.0F; - b_K_k[18] = 0.0F; - b_K_k[24] = 0.0F; - b_K_k[30] = 0.0F; - b_K_k[1] = 0.0F; - b_K_k[7] = r_gyro; - b_K_k[13] = 0.0F; - b_K_k[19] = 0.0F; - b_K_k[25] = 0.0F; - b_K_k[31] = 0.0F; - b_K_k[2] = 0.0F; - b_K_k[8] = 0.0F; - b_K_k[14] = r_gyro; - b_K_k[20] = 0.0F; - b_K_k[26] = 0.0F; - b_K_k[32] = 0.0F; - b_K_k[3] = 0.0F; - b_K_k[9] = 0.0F; - b_K_k[15] = 0.0F; - b_K_k[21] = r_mag; - b_K_k[27] = 0.0F; - b_K_k[33] = 0.0F; - b_K_k[4] = 0.0F; - b_K_k[10] = 0.0F; - b_K_k[16] = 0.0F; - b_K_k[22] = 0.0F; - b_K_k[28] = r_mag; - b_K_k[34] = 0.0F; - b_K_k[5] = 0.0F; - b_K_k[11] = 0.0F; - b_K_k[17] = 0.0F; - b_K_k[23] = 0.0F; - b_K_k[29] = 0.0F; - b_K_k[35] = r_mag; + /* 'AttitudeEKF:261' S_k(1:6+1:end) = S_k(1:6+1:end) + R_v; */ + d_r_gyro[0] = r_gyro; + d_r_gyro[1] = r_gyro; + d_r_gyro[2] = r_gyro; + d_r_gyro[3] = r_mag; + d_r_gyro[4] = r_mag; + d_r_gyro[5] = r_mag; + for (r2 = 0; r2 < 6; r2++) { + c_S_k[r2] = b_S_k[7 * r2] + d_r_gyro[r2]; + } + for (r2 = 0; r2 < 6; r2++) { + b_S_k[7 * r2] = c_S_k[r2]; + } + + /* 'AttitudeEKF:262' K_k=(P_apr*H_k(1:6,1:12)'/(S_k)); */ + for (r2 = 0; r2 < 12; r2++) { for (i = 0; i < 6; i++) { - f_a[i + 6 * r2] = d_a[i + 6 * r2] + b_K_k[i + 6 * r2]; + d_a[r2 + 12 * i] = 0.0F; + for (r1 = 0; r1 < 12; r1++) { + d_a[r2 + 12 * i] += P_apr[r2 + 12 * r1] * (float)d_b[r1 + 12 * i]; + } } } - b_mrdivide(c_P_apr, f_a, c_K_k); + b_mrdivide(d_a, b_S_k, b_K_k); - /* 'AttitudeEKF:253' x_apo=x_apr+K_k*y_k; */ + /* 'AttitudeEKF:265' x_apo=x_apr+K_k*y_k; */ for (r2 = 0; r2 < 3; r2++) { - b_z[r2] = z[r2]; + d_r_gyro[r2] = z[r2]; } for (r2 = 0; r2 < 3; r2++) { - b_z[r2 + 3] = z[6 + r2]; + d_r_gyro[r2 + 3] = z[6 + r2]; } for (r2 = 0; r2 < 6; r2++) { - i_a[r2] = 0.0F; + c_S_k[r2] = 0.0F; for (i = 0; i < 12; i++) { - i_a[r2] += (float)h_a[r2 + 6 * i] * x_apr[i]; + c_S_k[r2] += (float)f_a[r2 + 6 * i] * x_apr[i]; } - c_z[r2] = b_z[r2] - i_a[r2]; + b_z[r2] = d_r_gyro[r2] - c_S_k[r2]; } for (r2 = 0; r2 < 12; r2++) { maxval = 0.0F; for (i = 0; i < 6; i++) { - maxval += c_K_k[r2 + 12 * i] * c_z[i]; + maxval += b_K_k[r2 + 12 * i] * b_z[i]; } x_apo[r2] = x_apr[r2] + maxval; } - /* 'AttitudeEKF:254' P_apo=(eye(12)-K_k*H_k(1:6,1:12))*P_apr; */ + /* 'AttitudeEKF:266' P_apo=(eye(12)-K_k*H_k(1:6,1:12))*P_apr; */ memset(&I[0], 0, 144U * sizeof(signed char)); for (i = 0; i < 12; i++) { I[i + 12 * i] = 1; @@ -1472,7 +1355,7 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char for (i = 0; i < 12; i++) { maxval = 0.0F; for (r1 = 0; r1 < 6; r1++) { - maxval += c_K_k[r2 + 12 * r1] * (float)h_a[r1 + 6 * i]; + maxval += b_K_k[r2 + 12 * r1] * (float)f_a[r1 + 6 * i]; } A_lin[r2 + 12 * i] = (float)I[r2 + 12 * i] - maxval; @@ -1488,13 +1371,13 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char } } } else { - /* 'AttitudeEKF:255' else */ - /* 'AttitudeEKF:256' x_apo=x_apr; */ + /* 'AttitudeEKF:267' else */ + /* 'AttitudeEKF:268' x_apo=x_apr; */ for (i = 0; i < 12; i++) { x_apo[i] = x_apr[i]; } - /* 'AttitudeEKF:257' P_apo=P_apr; */ + /* 'AttitudeEKF:269' P_apo=P_apr; */ memcpy(&P_apo[0], &P_apr[0], 144U * sizeof(float)); } } @@ -1502,57 +1385,57 @@ void AttitudeEKF(unsigned char approx_prediction, unsigned char } /* % euler anglels extraction */ - /* 'AttitudeEKF:266' z_n_b = -x_apo(7:9)./norm(x_apo(7:9)); */ + /* 'AttitudeEKF:278' z_n_b = -x_apo(7:9)./norm(x_apo(7:9)); */ maxval = norm(*(float (*)[3])&x_apo[6]); a21 = norm(*(float (*)[3])&x_apo[9]); for (i = 0; i < 3; i++) { - /* 'AttitudeEKF:267' m_n_b = x_apo(10:12)./norm(x_apo(10:12)); */ + /* 'AttitudeEKF:279' m_n_b = x_apo(10:12)./norm(x_apo(10:12)); */ muk[i] = -x_apo[i + 6] / maxval; zek[i] = x_apo[i + 9] / a21; } - /* 'AttitudeEKF:269' y_n_b=cross(z_n_b,m_n_b); */ + /* 'AttitudeEKF:281' y_n_b=cross(z_n_b,m_n_b); */ wak[0] = muk[1] * zek[2] - muk[2] * zek[1]; wak[1] = muk[2] * zek[0] - muk[0] * zek[2]; wak[2] = muk[0] * zek[1] - muk[1] * zek[0]; - /* 'AttitudeEKF:270' y_n_b=y_n_b./norm(y_n_b); */ + /* 'AttitudeEKF:282' y_n_b=y_n_b./norm(y_n_b); */ maxval = norm(wak); for (r2 = 0; r2 < 3; r2++) { wak[r2] /= maxval; } - /* 'AttitudeEKF:272' x_n_b=(cross(y_n_b,z_n_b)); */ + /* 'AttitudeEKF:284' x_n_b=(cross(y_n_b,z_n_b)); */ zek[0] = wak[1] * muk[2] - wak[2] * muk[1]; zek[1] = wak[2] * muk[0] - wak[0] * muk[2]; zek[2] = wak[0] * muk[1] - wak[1] * muk[0]; - /* 'AttitudeEKF:273' x_n_b=x_n_b./norm(x_n_b); */ + /* 'AttitudeEKF:285' x_n_b=x_n_b./norm(x_n_b); */ maxval = norm(zek); for (r2 = 0; r2 < 3; r2++) { zek[r2] /= maxval; } - /* 'AttitudeEKF:276' xa_apo=x_apo; */ + /* 'AttitudeEKF:288' xa_apo=x_apo; */ for (i = 0; i < 12; i++) { xa_apo[i] = x_apo[i]; } - /* 'AttitudeEKF:277' Pa_apo=P_apo; */ + /* 'AttitudeEKF:289' Pa_apo=P_apo; */ memcpy(&Pa_apo[0], &P_apo[0], 144U * sizeof(float)); /* rotation matrix from earth to body system */ - /* 'AttitudeEKF:279' Rot_matrix=[x_n_b,y_n_b,z_n_b]; */ + /* 'AttitudeEKF:291' Rot_matrix=[x_n_b,y_n_b,z_n_b]; */ for (r2 = 0; r2 < 3; r2++) { Rot_matrix[r2] = zek[r2]; Rot_matrix[3 + r2] = wak[r2]; Rot_matrix[6 + r2] = muk[r2]; } - /* 'AttitudeEKF:282' phi=atan2(Rot_matrix(2,3),Rot_matrix(3,3)); */ - /* 'AttitudeEKF:283' theta=-asin(Rot_matrix(1,3)); */ - /* 'AttitudeEKF:284' psi=atan2(Rot_matrix(1,2),Rot_matrix(1,1)); */ - /* 'AttitudeEKF:285' eulerAngles=[phi;theta;psi]; */ + /* 'AttitudeEKF:294' phi=atan2(Rot_matrix(2,3),Rot_matrix(3,3)); */ + /* 'AttitudeEKF:295' theta=-asin(Rot_matrix(1,3)); */ + /* 'AttitudeEKF:296' psi=atan2(Rot_matrix(1,2),Rot_matrix(1,1)); */ + /* 'AttitudeEKF:297' eulerAngles=[phi;theta;psi]; */ eulerAngles[0] = (real32_T)atan2(Rot_matrix[7], Rot_matrix[8]); eulerAngles[1] = -(real32_T)asin(Rot_matrix[6]); eulerAngles[2] = (real32_T)atan2(Rot_matrix[3], Rot_matrix[0]); diff --git a/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF.h b/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF.h index fc0275210..7094da1da 100644 --- a/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF.h +++ b/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF.h @@ -3,7 +3,7 @@ * * Code generation for function 'AttitudeEKF' * - * C source code generated on: Fri Jul 25 14:06:41 2014 + * C source code generated on: Thu Aug 21 11:17:28 2014 * */ diff --git a/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF_types.h b/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF_types.h index 63eb7e501..3f7522ffa 100644 --- a/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF_types.h +++ b/src/modules/attitude_estimator_ekf/codegen/AttitudeEKF_types.h @@ -3,7 +3,7 @@ * * Code generation for function 'AttitudeEKF' * - * C source code generated on: Fri Jul 25 14:06:41 2014 + * C source code generated on: Thu Aug 21 11:17:28 2014 * */ diff --git a/src/modules/attitude_estimator_ekf/codegen/rtwtypes.h b/src/modules/attitude_estimator_ekf/codegen/rtwtypes.h index 9245a24c8..b5a02a7a6 100644 --- a/src/modules/attitude_estimator_ekf/codegen/rtwtypes.h +++ b/src/modules/attitude_estimator_ekf/codegen/rtwtypes.h @@ -3,7 +3,7 @@ * * Code generation for function 'AttitudeEKF' * - * C source code generated on: Fri Jul 25 14:06:41 2014 + * C source code generated on: Thu Aug 21 11:17:28 2014 * */ |