WANG YUCHAO / Mbed 2 deprecated Motor_DRV8323RH_for_20190

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Dependencies:   mbed FastPWM3

Diff: SVM/SVM.cpp

Revision:
6:4ee1cdc43aa8
Parent:
5:51c6560bf624
Child:
10:370851e6e132
--- a/SVM/SVM.cpp	Sat Mar 12 18:45:22 2016 +0000
+++ b/SVM/SVM.cpp	Sat Mar 12 19:55:52 2016 +0000
@@ -2,6 +2,8 @@
 #include "mbed.h"
 #include "SVM.h"
 #include "Inverter.h"
+#define min(x,y,z) (x < y ? (x < z ? x : z) : (y < z ? y : z))
+#define max(x,y,z) (x > y ? (x > z ? x : z) : (y > z ? y : z))
 
 SPWM::SPWM(Inverter *inverter, float V_Bus){
     _inverter = inverter;
@@ -28,10 +30,19 @@
     }
     
 void SVPWM::Update_DTC(float V_A, float V_B, float V_C){
+    
+    float Voff = (min(V_A, V_B, V_C) + max(V_A, V_B, V_C))/2.0f;
+    
+    V_A = V_A - Voff;
+    V_B = V_B - Voff;
+    V_C = V_C - Voff;
+    
     float DTC_A = V_A/_V_Bus + .5f;
     float DTC_B = V_B/_V_Bus + .5f;
     float DTC_C = V_C/_V_Bus + .5f;
     
+    
+    
     if(DTC_A > .95f) DTC_A = .95f;
     else if(DTC_A < .05f) DTC_A = .05f;
     if(DTC_B > .95f) DTC_B = .95f;