diff options
| author | Shlomo Hecht <shlomo@twine-s.com> | 2018-11-29 14:58:05 +0200 |
|---|---|---|
| committer | Shlomo Hecht <shlomo@twine-s.com> | 2018-11-29 14:58:05 +0200 |
| commit | f8416707278aabcebcccbbe4e1a8a9b5d66e0f82 (patch) | |
| tree | 1c4d17422f85ffd0faca5e4b1e4c3eed1898cfb3 /Software/Embedded_SW/Embedded/Modules/Control | |
| parent | ac3c227bb5d12339fee6fb4c243f3a5f67217915 (diff) | |
| download | Tango-f8416707278aabcebcccbbe4e1a8a9b5d66e0f82.tar.gz Tango-f8416707278aabcebcccbbe4e1a8a9b5d66e0f82.zip | |
advanced PID in thread and heaters - use only with modified congiguration
Diffstat (limited to 'Software/Embedded_SW/Embedded/Modules/Control')
| -rw-r--r-- | Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.c | 36 | ||||
| -rw-r--r-- | Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.h | 4 |
2 files changed, 40 insertions, 0 deletions
diff --git a/Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.c b/Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.c index f37759943..72774461a 100644 --- a/Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.c +++ b/Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.c @@ -36,4 +36,40 @@ float PIDAlgorithmCalculation(float _setPoint,float _mesuredParam , PID_Config_P return output; } +float AdvancedPIDAlgorithmCalculation(float _setPoint,float _mesuredParam , PID_Config_Params *params, float *_pre_error, float *_integral) +{ + float error; + float derivative; + float output; + + //Calculate P,I,D + error = _setPoint - _mesuredParam; + + //In case of error too small then stop integration + if(abs(error) > params->epsilon) + { + *_integral = *_integral + error*params->dt; + } + + derivative = (error - *_pre_error)/params->dt; + float IntegralErrorMultiplier; + float ProportionalErrorMultiplier; + + output = params->Kp*error/params->ProportionalErrorMultiplier + params->Ki**_integral/params->IntegralErrorMultiplier + params->Kd*derivative; + + //Saturation Filter + if(output > params->MAX) + { + output = params->MAX; + } + else if(output < params->MIN) + { + output = params->MIN; + } + + //Update error + *_pre_error = error; + + return output; +} diff --git a/Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.h b/Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.h index 03c363131..4792be9ec 100644 --- a/Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.h +++ b/Software/Embedded_SW/Embedded/Modules/Control/PIDAlgo.h @@ -12,7 +12,11 @@ typedef struct float Kp; float Kd; float Ki; + float IntegralErrorMultiplier; + float ProportionalErrorMultiplier; + }PID_Config_Params; float PIDAlgorithmCalculation(float _setPoint,float _mesuredParam , PID_Config_Params *params, float *_pre_error, float *_integral); +float AdvancedPIDAlgorithmCalculation(float _setPoint,float _mesuredParam , PID_Config_Params *params, float *_pre_error, float *_integral); #endif /* MODULES_PIDALGO_H_ */ |
