diff --git a/senpy/plugins/conversion/centroids.py b/senpy/plugins/conversion/centroids.py
index bb02a76..2dd1c97 100644
--- a/senpy/plugins/conversion/centroids.py
+++ b/senpy/plugins/conversion/centroids.py
@@ -6,6 +6,33 @@ logger = logging.getLogger(__name__)
 
 
 class CentroidConversion(EmotionConversionPlugin):
+    def __init__(self, info):
+        if 'centroids' not in info:
+            raise Error('Centroid conversion plugins should provide '
+                        'the centroids in their senpy file')
+        if 'onyx:doesConversion' not in info:
+            if 'centroids_direction' not in info:
+                raise Error('Please, provide centroids direction')
+
+            cf, ct = info['centroids_direction']
+            info['onyx:doesConversion'] = [{
+                'onyx:conversionFrom': cf,
+                'onyx:conversionTo': ct
+            }, {
+                'onyx:conversionFrom': ct,
+                'onyx:conversionTo': cf
+            }]
+
+        if 'aliases' in info:
+            aliases = info['aliases']
+            ncentroids = {}
+            for k1, v1 in info['centroids'].items():
+                nv1 = {}
+                for k2, v2 in v1.items():
+                    nv1[aliases.get(k2, k2)] = v2
+                ncentroids[aliases.get(k1, k1)] = nv1
+            info['centroids'] = ncentroids
+        super(CentroidConversion, self).__init__(info)
 
     def _forward_conversion(self, original):
         """Sum the VAD value of all categories found."""
@@ -25,7 +52,7 @@ class CentroidConversion(EmotionConversionPlugin):
         dimensions = list(self.centroids.values())[0]
 
         def distance(e1, e2):
-            return sum((e1[k] - e2.get(self.aliases[k], 0)) for k in dimensions)
+            return sum((e1[k] - e2.get(k, 0)) for k in dimensions)
 
         emotion = ''
         mindistance = 10000000000000000000000.0
@@ -40,11 +67,12 @@ class CentroidConversion(EmotionConversionPlugin):
     def convert(self, emotionSet, fromModel, toModel, params):
 
         cf, ct = self.centroids_direction
-        logger.debug('{}\n{}\n{}\n{}'.format(emotionSet, fromModel, toModel, params))
+        logger.debug(
+            '{}\n{}\n{}\n{}'.format(emotionSet, fromModel, toModel, params))
         e = EmotionSet()
-        if fromModel == cf:
+        if fromModel == cf and toModel == ct:
             e.onyx__hasEmotion.append(self._forward_conversion(emotionSet))
-        elif fromModel == ct:
+        elif fromModel == ct and toModel == cf:
             for i in emotionSet.onyx__hasEmotion:
                 e.onyx__hasEmotion.append(self._backwards_conversion(i))
         else:
diff --git a/senpy/plugins/conversion/emotion/ekman2fsre.senpy b/senpy/plugins/conversion/emotion/ekman2fsre.senpy
new file mode 100644
index 0000000..3cc0c17
--- /dev/null
+++ b/senpy/plugins/conversion/emotion/ekman2fsre.senpy
@@ -0,0 +1,39 @@
+---
+name: Ekman2FSRE
+module: senpy.plugins.conversion.centroids
+description: Plugin to convert emotion sets from Ekman to VAD
+version: 0.1
+# No need to specify onyx:doesConversion because centroids.py adds it automatically from centroids_direction
+centroids:
+  anger:
+    A: 6.95
+    D: 5.1
+    V: 2.7
+  disgust:
+    A: 5.3
+    D: 8.05
+    V: 2.7
+  fear:
+    A: 6.5
+    D: 3.6
+    V: 3.2
+  happiness:
+    A: 7.22
+    D: 6.28
+    V: 8.6
+  sadness:
+    A: 5.21
+    D: 2.82
+    V: 2.21
+centroids_direction:
+  - emoml:big6
+  - emoml:fsre-dimensions
+aliases: # These are aliases for any key in the centroid, to avoid repeating a long name several times
+  A: emoml:arousal
+  V: emoml:valence
+  D: emoml:dominance
+  anger: emoml:big6anger
+  disgust: emoml:big6disgust
+  fear: emoml:big6fear
+  happiness: emoml:big6happiness
+  sadness: emoml:big6sadness
\ No newline at end of file
diff --git a/senpy/plugins/conversion/emotion/ekman2vad.senpy b/senpy/plugins/conversion/emotion/ekman2vad.senpy
index 4246ba7..a1f21f0 100644
--- a/senpy/plugins/conversion/emotion/ekman2vad.senpy
+++ b/senpy/plugins/conversion/emotion/ekman2vad.senpy
@@ -1,38 +1,39 @@
 ---
-name: Ekman2VAD
+name: Ekman2PAD
 module: senpy.plugins.conversion.centroids
 description: Plugin to convert emotion sets from Ekman to VAD
 version: 0.1
-onyx:doesConversion:
-  - onyx:conversionFrom: emoml:big6
-    onyx:conversionTo: emoml:fsre-dimensions
-  - onyx:conversionFrom: emoml:fsre-dimensions
-    onyx:conversionTo: emoml:big6
+# No need to specify onyx:doesConversion because centroids.py adds it automatically from centroids_direction
 centroids:
-  emoml:big6anger:
+  anger:
     A: 6.95
     D: 5.1
     V: 2.7
-  emoml:big6disgust:
+  disgust:
     A: 5.3
     D: 8.05
     V: 2.7
-  emoml:big6fear:
+  fear:
     A: 6.5
     D: 3.6
     V: 3.2
-  emoml:big6happiness:
+  happiness:
     A: 7.22
     D: 6.28
     V: 8.6
-  emoml:big6sadness:
+  sadness:
     A: 5.21
     D: 2.82
     V: 2.21
 centroids_direction:
   - emoml:big6
-  - emoml:fsre-dimensions
-aliases:
+  - emoml:pad
+aliases: # These are aliases for any key in the centroid, to avoid repeating a long name several times
   A: emoml:arousal
   V: emoml:valence
-  D: emoml:dominance
\ No newline at end of file
+  D: emoml:dominance
+  anger: emoml:big6anger
+  disgust: emoml:big6disgust
+  fear: emoml:big6fear
+  happiness: emoml:big6happiness
+  sadness: emoml:big6sadness
\ No newline at end of file