diff --git a/config/hokuyo_utm30lx_eth.yaml b/config/hokuyo_utm30lx_eth.yaml
index 7458f3171580ba9a6aab59c537f03e641a2364fe..b303910cf9d8f331f593e4e827fb6e6fe788c283 100644
--- a/config/hokuyo_utm30lx_eth.yaml
+++ b/config/hokuyo_utm30lx_eth.yaml
@@ -10,8 +10,8 @@ error_limit: 4
 diagnostics_tolerance: 0.05
 diagnostics_window_time: 5.0
 get_detailed_status: false
-tf_prefix: '/'
-frame_id: '/front_hokuyo_scan_frame'
+tf_prefix: 'helena'
+frame_id: 'rear_hokuyo_scan_frame'
 time_offset: 0.0
 angle_min: -2.36
 angle_max: 2.36
diff --git a/config/hokuyo_utm30lx_usb.yaml b/config/hokuyo_utm30lx_usb.yaml
index 4a271ca9175da2f178fe3f9c791633089146ac8d..3dec89be6cb5f28b8f460cf0fc2e20a7b527fbde 100644
--- a/config/hokuyo_utm30lx_usb.yaml
+++ b/config/hokuyo_utm30lx_usb.yaml
@@ -10,8 +10,8 @@ error_limit: 4
 diagnostics_tolerance: 0.05
 diagnostics_window_time: 5.0
 get_detailed_status: false
-tf_prefix: '/'
-frame_id: '/rear_hokuyo_scan_frame'
+tf_prefix: 'helena'
+frame_id: 'front_hokuyo_scan_frame'
 time_offset: 0.0
 angle_min: -2.36
 angle_max: 2.36
diff --git a/config/pioneer_params.yaml b/config/pioneer_params.yaml
index 546935cb18fc20a2345f9fa3df69a0c73745c632..26e5d9af7df202202668e5d7e76dcd5512b813c1 100644
--- a/config/pioneer_params.yaml
+++ b/config/pioneer_params.yaml
@@ -13,7 +13,7 @@ publish_aria_lasers: false
 #DriftFactor: 
 #RevCount: 
 cmd_vel_timeout: 0.6
-odom_frame: 'odom'
-base_link_frame: 'base_link'
-bumpers_frame: 'bumbers'
-sonar_frame: 'sonar'
+odom_frame: 'helena/odom'
+base_link_frame: 'helena/base_footprint'
+bumpers_frame: 'helena/bumbers'
+sonar_frame: 'helena/sensors_base'
diff --git a/launch/bringup.launch b/launch/bringup.launch
index b25db83bfcf9f4a328274e5ed1c9008fd81bd623..eebdf7033890fd18b594b4d9973144568f01934d 100644
--- a/launch/bringup.launch
+++ b/launch/bringup.launch
@@ -16,7 +16,18 @@
 
   <arg name="output" default="log"/>
   <arg name="launch_prefix" default=""/>
- 
+
+  <remap from="/$(arg ns)/rosaria/cmd_vel" to="/$(arg ns)/cmd_vel"/>
+  <remap from="/$(arg ns)/rosaria/pose"    to="/$(arg ns)/odom"/>
+
+  <include file="$(find iri_pioneer3_bringup)/launch/bringup.launch"
+            if="$(arg platform)" >
+    <arg name="ns"            value="$(arg ns)"/>
+    <arg name="config_file"   value="$(arg pioneer_config_file)"/>
+    <arg name="output"        value="$(arg output)"/>
+    <arg name="launch_prefix" value="$(arg launch_prefix)"/>
+  </include>
+
   <group ns="$(arg ns)">
 
     <group ns="sensors">
@@ -59,14 +70,6 @@
     </group>
 
     <group ns="devices">
-      
-      <include file="$(find iri_pioneer3_bringup)/launch/bringup.launch"
-               if="$(arg platform)" >
-        <arg name="ns"            value="$(arg ns)"/>
-        <arg name="config_file"   value="$(arg pioneer_config_file)"/>
-        <arg name="output"        value="$(arg output)"/>
-        <arg name="launch_prefix" value="$(arg launch_prefix)"/>
-      </include> 
 
       <!--TODO pan & tilt -->
 
@@ -76,5 +79,4 @@
 
   </group>
 
-</launch>
-
+</launch>
\ No newline at end of file
diff --git a/rviz/helena.rviz b/rviz/helena.rviz
index e9d1ff0c94b7e5410c385a13d01778bd7b384b80..c2d6b3681b924f0133983119e31e4b21de8e00d2 100644
--- a/rviz/helena.rviz
+++ b/rviz/helena.rviz
@@ -5,7 +5,7 @@ Panels:
     Property Tree Widget:
       Expanded:
         - /Global Options1
-        - /Status1
+        - /Sensors1
       Splitter Ratio: 0.5
     Tree Height: 633
   - Class: rviz/Selection
@@ -26,7 +26,9 @@ Panels:
     Experimental: false
     Name: Time
     SyncMode: 0
-    SyncSource: ""
+    SyncSource: FrontLaserScan
+Toolbars:
+  toolButtonStyle: 2
 Visualization Manager:
   Class: ""
   Displays:
@@ -75,6 +77,8 @@ Visualization Manager:
           Value: true
         helena/front_sonar:
           Value: true
+        helena/odom:
+          Value: true
         helena/rear_hokuyo_base:
           Value: true
         helena/rear_hokuyo_scan_frame:
@@ -97,43 +101,48 @@ Visualization Manager:
           Value: true
         helena/top_plate:
           Value: true
+        map:
+          Value: true
       Marker Scale: 0.25
       Name: TF
       Show Arrows: true
       Show Axes: true
       Show Names: true
       Tree:
-        helena/base_footprint:
-          helena/base_link:
-            helena/front_left_axle:
-              helena/front_left_hub:
-                helena/front_left_wheel:
-                  {}
-            helena/front_right_axle:
-              helena/front_right_hub:
-                helena/front_right_wheel:
-                  {}
-            helena/front_sonar:
-              {}
-            helena/rear_left_axle:
-              helena/rear_left_hub:
-                helena/rear_left_wheel:
-                  {}
-            helena/rear_right_axle:
-              helena/rear_right_hub:
-                helena/rear_right_wheel:
-                  {}
-            helena/rear_sonar:
-              {}
-            helena/sensors_base:
-              helena/front_hokuyo_base:
-                helena/front_hokuyo_scan_frame:
-                  {}
-              helena/rear_hokuyo_base:
-                helena/rear_hokuyo_scan_frame:
-                  {}
-            helena/top_plate:
-              {}
+        helena/odom:
+          helena/base_footprint:
+            helena/base_link:
+              helena/front_left_axle:
+                helena/front_left_hub:
+                  helena/front_left_wheel:
+                    {}
+              helena/front_right_axle:
+                helena/front_right_hub:
+                  helena/front_right_wheel:
+                    {}
+              helena/front_sonar:
+                {}
+              helena/rear_left_axle:
+                helena/rear_left_hub:
+                  helena/rear_left_wheel:
+                    {}
+              helena/rear_right_axle:
+                helena/rear_right_hub:
+                  helena/rear_right_wheel:
+                    {}
+              helena/rear_sonar:
+                {}
+              helena/sensors_base:
+                helena/front_hokuyo_base:
+                  helena/front_hokuyo_scan_frame:
+                    {}
+                helena/rear_hokuyo_base:
+                  helena/rear_hokuyo_scan_frame:
+                    {}
+              helena/top_plate:
+                {}
+        map:
+          {}
       Update Interval: 0
       Value: true
     - Alpha: 0.899999976
@@ -293,66 +302,100 @@ Visualization Manager:
       Topic: /helena/odom
       Unreliable: false
       Value: true
-    - Alpha: 1
-      Autocompute Intensity Bounds: true
-      Autocompute Value Bounds:
-        Max Value: 10
-        Min Value: -10
-        Value: true
-      Axis: Z
-      Channel Name: intensity
-      Class: rviz/LaserScan
-      Color: 255; 0; 0
-      Color Transformer: FlatColor
-      Decay Time: 0
-      Enabled: true
-      Invert Rainbow: false
-      Max Color: 255; 255; 255
-      Max Intensity: 999999
-      Min Color: 0; 0; 0
-      Min Intensity: 1.50313361e-19
-      Name: FrontLaserScan
-      Position Transformer: XYZ
-      Queue Size: 10
-      Selectable: true
-      Size (Pixels): 3
-      Size (m): 0.00999999978
-      Style: Points
-      Topic: /helena/front_hokuyo_scan
-      Unreliable: false
-      Use Fixed Frame: true
-      Use rainbow: true
-      Value: true
-    - Alpha: 1
-      Autocompute Intensity Bounds: true
-      Autocompute Value Bounds:
-        Max Value: 10
-        Min Value: -10
-        Value: true
-      Axis: Z
-      Channel Name: intensity
-      Class: rviz/LaserScan
-      Color: 255; 170; 0
-      Color Transformer: FlatColor
-      Decay Time: 0
+    - Class: rviz/Group
+      Displays:
+        - Alpha: 1
+          Autocompute Intensity Bounds: true
+          Autocompute Value Bounds:
+            Max Value: 10
+            Min Value: -10
+            Value: true
+          Axis: Z
+          Channel Name: intensity
+          Class: rviz/LaserScan
+          Color: 255; 0; 0
+          Color Transformer: FlatColor
+          Decay Time: 0
+          Enabled: true
+          Invert Rainbow: false
+          Max Color: 255; 255; 255
+          Max Intensity: 999999
+          Min Color: 0; 0; 0
+          Min Intensity: 1.50313361e-19
+          Name: FrontLaserScan
+          Position Transformer: XYZ
+          Queue Size: 10
+          Selectable: true
+          Size (Pixels): 3
+          Size (m): 0.00999999978
+          Style: Points
+          Topic: /helena/sensors/front_laser_scan
+          Unreliable: false
+          Use Fixed Frame: true
+          Use rainbow: true
+          Value: true
+        - Alpha: 1
+          Autocompute Intensity Bounds: true
+          Autocompute Value Bounds:
+            Max Value: 10
+            Min Value: -10
+            Value: true
+          Axis: Z
+          Channel Name: intensity
+          Class: rviz/LaserScan
+          Color: 255; 170; 0
+          Color Transformer: FlatColor
+          Decay Time: 0
+          Enabled: true
+          Invert Rainbow: false
+          Max Color: 255; 255; 255
+          Max Intensity: 999999
+          Min Color: 0; 0; 0
+          Min Intensity: 1.50313361e-19
+          Name: RearLaserScan
+          Position Transformer: XYZ
+          Queue Size: 10
+          Selectable: true
+          Size (Pixels): 3
+          Size (m): 0.00999999978
+          Style: Points
+          Topic: /helena/sensors/rear_laser_scan
+          Unreliable: false
+          Use Fixed Frame: true
+          Use rainbow: true
+          Value: true
+        - Alpha: 1
+          Autocompute Intensity Bounds: true
+          Autocompute Value Bounds:
+            Max Value: 1.86796319
+            Min Value: -5.28491831
+            Value: true
+          Axis: X
+          Channel Name: x
+          Class: rviz/PointCloud2
+          Color: 255; 255; 255
+          Color Transformer: Intensity
+          Decay Time: 0
+          Enabled: false
+          Invert Rainbow: false
+          Max Color: 255; 255; 255
+          Max Intensity: 1.85023665
+          Min Color: 0; 0; 0
+          Min Intensity: -5.28405237
+          Name: SonarPointCloud2
+          Position Transformer: XYZ
+          Queue Size: 10
+          Selectable: true
+          Size (Pixels): 20
+          Size (m): 0.00999999978
+          Style: Points
+          Topic: /helena/rosaria/sonar_pointcloud2
+          Unreliable: false
+          Use Fixed Frame: true
+          Use rainbow: true
+          Value: false
       Enabled: true
-      Invert Rainbow: false
-      Max Color: 255; 255; 255
-      Max Intensity: 999999
-      Min Color: 0; 0; 0
-      Min Intensity: 1.50313361e-19
-      Name: RearLaserScan
-      Position Transformer: XYZ
-      Queue Size: 10
-      Selectable: true
-      Size (Pixels): 3
-      Size (m): 0.00999999978
-      Style: Points
-      Topic: /helena/rear_hokuyo_scan
-      Unreliable: false
-      Use Fixed Frame: true
-      Use rainbow: true
-      Value: true
+      Name: Sensors
   Enabled: true
   Global Options:
     Background Color: 48; 48; 48
@@ -368,17 +411,17 @@ Visualization Manager:
     - Class: rviz/FocusCamera
     - Class: rviz/Measure
     - Class: rviz/SetInitialPose
-      Topic: /initialpose
+      Topic: /helena/initialpose
     - Class: rviz/SetGoal
-      Topic: /move_base_simple/goal
+      Topic: /helena/move_base_simple/goal
     - Class: rviz/PublishPoint
       Single click: true
-      Topic: /clicked_point
+      Topic: /helena/clicked_point
   Value: true
   Views:
     Current:
       Class: rviz/Orbit
-      Distance: 11.6034374
+      Distance: 10
       Enable Stereo Rendering:
         Stereo Eye Separation: 0.0599999987
         Stereo Focal Distance: 1