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authorThomas Gubler <thomasgubler@gmail.com>2014-03-27 22:34:23 +0100
committerThomas Gubler <thomasgubler@gmail.com>2014-03-27 22:34:23 +0100
commitd3ca12f136c9a890f7289d69bd783840dc86cfba (patch)
treeb5901740ff0efb753e835535b66749b162469ca0 /src/modules/fw_pos_control_l1/mtecs/mTecs_blocks.h
parentd102afba8bdb526b85dce6dc47034ddd170d7240 (diff)
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mtecs: BlockPDLimited: make sure dt > 0
Diffstat (limited to 'src/modules/fw_pos_control_l1/mtecs/mTecs_blocks.h')
-rw-r--r--src/modules/fw_pos_control_l1/mtecs/mTecs_blocks.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/modules/fw_pos_control_l1/mtecs/mTecs_blocks.h b/src/modules/fw_pos_control_l1/mtecs/mTecs_blocks.h
index a357b24e2..6e90a82ba 100644
--- a/src/modules/fw_pos_control_l1/mtecs/mTecs_blocks.h
+++ b/src/modules/fw_pos_control_l1/mtecs/mTecs_blocks.h
@@ -193,7 +193,7 @@ public:
virtual ~BlockPDLimited() {};
float update(float input) {
float difference = 0.0f;
- float output = getKP() * input + getKD() * getDerivative().update(input);
+ float output = getKP() * input + (getDerivative().getDt() > 0.0f ? getKD() * getDerivative().update(input) : 0.0f);
getOutputLimiter().limit(output, difference);
return output;