Changes for page FlowArm LSS

Last modified by Eric Nantel on 2024/07/03 09:39

From version < 134.1 >

edited by RB1
on 2020/01/03 10:13

To version < 118.1 >

edited by Eric Nantel
on 2019/10/18 09:52

< >

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- LSS-UserColor.png

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++xwiki:XWiki.ENantel

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  {{lightbox image="LSS-FlowArm.png" width="400"/}}
--[[[[image:[email protected]]]>>https://www.robotshop.com/en/lss-flowarm-app-download.html||target="_blank"]]
++[[[[image:[email protected]]]>>https://www.lynxmotion.com/tools/LSS_FlowArm.zip]]
  **Page Contents**
@@ -8,7
          +8,7 @@
  = Description =
--The LSS FlowArm application is intended to allow easy control of the standard Lynxmotion Servo Erector Set (S.E.S.) v2 articulated robotic arm. The graphical interface shows multiple views of the arm which can be controlled via drag and drop, as well as by manually inputting coordinates. The full-featured built-in sequencer allows you create sequences which have the arm move automatically from one position ("frame") to the next. Make use of the "teach mode" to position the arm where you want and record frames which can be modified and played back. Associating each pattern with input keys means you can easily play back and test multiple sequences.
++The LSS FlowArm application is intended to allow easy control of the standard Lynxmotion Servo Erector Set (S.E.S.) v2 articulated robotic arm. The graphical interface shows multiple views of the arm which can be controlled via drag and drop, as well as by manually inputting coordinates. The full-featured built-in sequencer allows you create sequences which have the arm move automatically from one position ("frame") to the next. Make use of the "teach mode" to position the arm where you want and record frames which can be modified and played back. Associating each pattern with input keys means you can easily play back and test multiple sequences.
  FlowBotics Studio was used to create this app and includes hundreds of built-in components that allow you to interface your PC to many standard computer peripherals and robotics components, and you can quickly design new components for new hardware. Easily create new projects with custom GUI screens, knobs, buttons, switches, etc. that will run live from within FlowBotics Studio without needing to wait for compilation, or export as stand-alone executable files. FlowBotics Studio includes a powerful graphics engine that allows you to make custom graphical objects by using standard bitmaps or by drawing your own shapes on the screen. Using this system, you can build entirely custom interfaces like this one for your projects and integrate photographs, drawings, and graphs.
@@ -55,19
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  = Interface =
--Following are informations regarding the user interface of LSS FlowArm.
--
  == Header ==
  [[image:lss-flowarm-header.png||alt="lss-flowarm-header"]]
--=== Emergency stop  ===
++**EMERGENCY STOP**
  At any given time you can click this button to stop the arm. This will send a "LIMP" command directly to all servos.
--=== Store offsets (calibration) ===
++**STORE OFFSETS**
--The "STORE OFFSETS" button configures all of the servo offsets (this makes use of the CO command as part of the [[LSS Communication Protocol>>doc:lynxmotion-smart-servo.lss-communication-protocol.WebHome]]). Before pressing the button, orient the arm as shown below (with the gripper closed), and only then click the STORE OFFSETS button. This setup only need to be done once when first setting up the arm.
++The "STORE OFFSETS" button configures all of the servo offsets (this makes use of the CO command as part of the [[LSS Communication Protocol>>doc:lynxmotion-smart-servo.lss-communication-protocol.WebHome]]). Before pressing the button, orient the arm as shown below (with the gripper closed), and only then click the STORE OFFSETS button.
  * Base servo aligned with the x axis
  * Shoulder to elbow along z axis (straight up)
@@ -78,15
          +78,15 @@
  (% style="width:700px" %)
  |(% style="text-align:center; vertical-align:middle" %)[[image:lss-flowarm-offset-left.png||alt="lss-flowarm-left.png" height="300" width="300"]]|(% style="text-align:center; vertical-align:middle" %)[[image:lss-flowarm-offset-top.png||alt="lss-flowarm-top.png" height="300" width="300"]]
--=== Limp ===
++**LIMP**
  Causes all servos to slowly go LIMP (i.e. lose torque), gradually loosing torque until hitting the ground. It's important to note that the software will not constantly query all servos for their position, and as such the virtual arm on screen will not update frequently if at all. If you want the virtual arm on screen to update as you move the real arm, use TEACH mode described below.
--=== Halt & hold ===
++**STOP**
  Causes all servos to immediately stop their motion and hold their position.
--=== Teach ===
++**TEACH**
  Teach mode allows a user to physically move the arm and have the virtual arm on screen follow. This is used primarily to manually add frames to sequences, determine the optimal closed position for the gripper etc. In order to ensure the arm does not collapse, pressing the TEACH button will start a 5 second countdown during which the arm will slowly lose torque (angular force) until all servos are limp. When in teach mode, an orange outline appears over all on-screen fields which would cause a conflict and therefore cannot be used.
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  Once the arm is limp, it can be moved physically, and the application will regularly send position query commands to all of the servos and update the virtual arm on screen to match the servo's responses. Use the sequencer to record each position (frame) while in teach mode. For more information on the sequencer, refer to the sequencer section below.
--=== Grid / units ===
++**GRID / Units**
  Grid spacing can be toggled between Metric or Imperial. Options include 2cm, 3cm, 5cm and 1in, 2in and 3in.
--=== Baud ===
++**BAUD**
  The default (and suggested) baud rate is 115200, which is the baud rate at which the servos are shipped. Should a user have changed the baud rate on the servos, it can be selected using the drop down. Note that the baud rate must be configured to the same value for all servos in order to work.
--=== COM ===
++**COM**
  When the software is opened, a scan of all of your computer's COM ports is done automatically and a list of all available COM ports will be found in the drop down menu, along with OFF (stop searching for a COM port), and AUTO (the application tries to automatically find the correct COM port by sending a query command at the corresponding BAUD rate). Select which of your computer's COM ports is connected to the [[LSS Adapter>>doc:servo-erector-set-system.ses-electronics.ses-modules.lss-adapter-board.WebHome]] (which is provided with the standard SES v2 articulated robot arm). If you have a list of available COM ports and are unsure which is associated with the LSS Adapter, go to Device Manager in Windows, and view the list of USB devices connected. The LSS Adapter uses an FTDI USB to serial chip. Alternatively, simply unplug the USB from the arm and see which of the COM ports disappears from the list.
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  * If the red light is solid, then no correct COM port has been located.
  * If the green light is solid, the a COM port has been located.
--=== Window size ===
++**Window Size**
--[[image:lss-flowarm-size.jpg]]
++**[[image:lss-flowarm-size.jpg]]**
  A the top right of the window, there are three dark rectangles allowing you to change the application's window size.
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          +121,17 @@
  (% class="wikigeneratedid" id="HArmConfiguration" %)
  The arm shown on screen is based on the assembly guide. The aesthetics of the arms will be changing for the next release version of the LSS Flowarm software.
--=== Side view ===
++**Side View**
--The left view is a representation of the arm, where the orange circles represent the location of each axis of rotation. You can move the arm in this view by clicking on and dragging anywhere in that side view screen.
++The left view is a representation of the arm, where the orange circles represent the location of each axis of rotation. You can move the arm in this view by clicking on and dragging the wrist rotation servo.
  [[image:lss-flowarm-left.png||width="300"]]
--=== Top view ===
++**Top View**
--The top view shows the arm top down. You can move the arm within this view by clicking on and dragging the dot right next to the gripper.
++The top view shows the arm top down. You can move the arm within this view by clicking on and dragging the wrist rotation servo.
--[[image:lss-flowarm-top.png||width="300"]]
++**[[image:lss-flowarm-top.png||width="300"]]**
  == Shortcuts ==
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          +151,19 @@
  == Left Menu ==
--=== Gripper ===
++**Gripper**
  Assuming the gripper has been properly calibrated, The number below represents the opening at the tip. Fully closed should correspond to 0 degrees. We added a feature where the servo stop when it feel a current raising, this allows the user to ask for a full close and have a good grip on the item picked.
  [[image:lss-flowarm-gripper-view.png||alt="lss-flowarm-gripper-view.jpg"]]
--=== Wrist ===
++**Wrist**
  The wrist angle can be locked or unlocked. The field allows for user input (click the numbers) or fine adjustments using the arrows.
  [[image:lss-flowarm-wrist-view.png||alt="lss-flowarm-wrist-view.jpg"]]
--=== End effector position ===
++**End Effector Position**
  The position of the end effector can be controlled either by manually entering the information for R (radius), or the Cartesian x, y, z coordinates, or using the arrows.
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          +171,7 @@
  [[image:lss-flowarm-positioning.png||alt="lss-flowarm-positioning.jpg"]]
--== Data Log ==
++== **Data Log** ==
  The optional Data log (normally hidden) can be toggled on or off and allows the user to see all commands being sent to and received from the smart servos. The data can be saved to a file in a Comma Separated Values (.csv) format.
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  |(% style="width:257px" %)[[image:lss-flowarm-play.jpg]]|(% style="width:306px" %)Sequence Playback|(% style="width:758px" %)Restart sequence, play or stop
  |(% style="width:257px" %)[[image:lss-flowarm-inspector.png]]|(% style="width:306px" %)Frame Inspector|(% style="width:758px" %)Allows to modify the values sent in a particular frame manually.
--=== Sequences ===
++**Sequences**
  The sequencer allows you to make your robot move over time by transitioning from one position to another. Each transition we call a frame and a sequence of frames we call a sequence. You can create as many sequences as you like. You can play sequences back manually or using the keyboard inputs mentioned below. This section describes the sequence management functions of the Sequencer.
--=== Sequence List ===
++**Sequence List**
  [[image:lss-flowarm-pattern-list.jpg]]
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          +211,36 @@
  [[image:lss-flowarm-patterns.jpg]]
--=== Add a Sequence ===
++**Add a Sequence**
  To add a sequence click the add button. A new sequence will appear in the list and its name will open for editing.
--=== Remove a Sequence ===
++**Remove a Sequence**
  Click the remove sequence button to delete the currently selected sequence from the list. This action is irreversible so you will be asked for confirmation.
--=== Duplicate a Sequence ===
++**Duplicate a Sequence**
  If you want to make a new sequence based on an existing one then you can duplicate it.
--=== Saving Sequences ===
++**Saving Sequences**
  IMPORTANT: If you want to keep any sequences you create then you must export them otherwise they will be lost when you return to the project browser.
  To do this click the export button. You can choose whether to export all your sequences or just the currently selected one. Sequences are saved to files so you'll need to pick a filename and folder to save to. If a sequence uses sub sequences these will be saved even if you choose only to save the selected sequence.
--=== Loading Sequences ===
++**Loading Sequences**
  If you have saved sequences that you want to restore then click the Import button. You will be asked to choose a previously saved sequence file.
  The sequences in the file will be added to the list. They do not replace the sequence list. Also it doesn't
  matter how many sequences the file contains, all of them will be imported.
--=== Clear All Sequences ===
++**Clear All Sequences**
  If you want to start from scratch you can clear all the sequences from the list using the clear all button.
--== Frames ==
++== **Frames** ==
--[[image:lss-flowarm-frame.jpg]]
++**[[image:lss-flowarm-frame.jpg]]**
  We now know how to manage sequences now lets see how you build one. As we said earlier a sequence is made up of frames. A frame represents a transition between robot states over time.
  In addition to frames, you can also add other sequences to a sequence. This allows quite complex series of movements to be built up very quickly and easily.
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          +247,38 @@
  [[image:lss-flowarm-frames.jpg]]
--=== Adding Frames ===
++**Adding Frames**
  To add a frame click the Add button. A new frame will be added at the end of the sequence. The duration of the frame will be whatever the last frame duration was. The frame will record whatever position the robot is currently set to. You can add a sub sequence to the sequence by clicking the arrow to the right of the Add button. A drop list of the available sequences will appear. Select one and it will be added to the end of the sequence.
--=== Recording to a Frame ===
++**Recording to a Frame**
  When you add a frame it will record the state that the robot is currently in. If you want to change this state first select the frame by clicking on it. Next move the robot to the position you want to record. When you're happy press the record button. The frame will flash to indicate that it has been updated.
--=== Deleting Frames ===
++**Deleting Frames**
  To delete a sequence or frame from a sequence, click the Delete button.
--=== Naming Frames ===
++**Naming Frames**
  To name a frame, simply double-click the top blue part of it. You will then be able to enter a name by typing text directly. Save the new name by pressing the [Enter] key once donce. Warning: please note that when double-clicking a frame to name it, it will play the frame which may move your robotic arm suddenly. You may want to activate the STOP button first to prevent movement when naming frames.
--=== Timeline Locking ===
++**Timeline Locking**
  [[image:lss-flowarm-lock.jpg]]
  The timeline is locked by default. This means that frames will automatically run from one to the next – you cannot create space in between. Moving a frame past another one will move it along the order in the timeline. If the timeline is unlocked then you can move frames independently of each other and also create gaps of time in between.
--=== Moving and Resizing ===
++**Moving and Resizing**
  To move a frame on the timeline, simply click on it and drag it to the time you want it to start. The start time will be displayed as you drag. How frames move relative to each other is determined by whether the timeline is locked (see previous section). To resize a frame grab the right-hand edge and drag it. When moving or resizing the mouse snaps to the nearest unit on the timeline. If you hold SHIFT while moving or resizing no snap will be applied. When the timeline is unlocked then if you hold CTRL while dragging or resizing a frame all frames to
  the right of the selected frame will be moved so that the time interval between the selected frame and the next one is maintained.
--=== Auto Record ===
++**Auto Record**
  If you want changes you make to be automatically recorded you can lock the record button in place by double-clicking on it. Now whenever you change the robot position the currently elected frame will be updated. The record button will light up to show that auto record is on. To switch auto record off, double-click on the record button again.
--=== Copy and Paste ===
++**Copy and Paste**
  [[image:lss-flowarm-copy-paste.jpg]]
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          +285,17 @@
  Sometimes you might want to copy the robot state from one frame to another. To do this we have copy and paste. To copy the data from a frame, select it then click the Copy button.
  To duplicate the data on another frame, select the target frame and click the Paste button.
--=== Pause Before Frame ===
++**Pause Before Frame**
  You can insert a pause before a frame commences. This is useful if you want the sequencer to stop and wait for some external event before continuing. First select the frame then click the Operations button and select Toggle Pause Before Frame. A red line will show at the start of the frame to show the pause. To remove the pause select the frame again and select Toggle Pause Before Frame after clicking on the Operations button.
--=== Remove Gaps Between Frames ===
++**Remove Gaps Between Frames**
  [[image:lss-flowarm-settings.jpg]]
  If the timeline is unlocked then you can instantly remove all the gaps between frames and push them up against each other by clicking the Operations button and choosing Remove Gaps Between Frames from the menu.
--=== Frame Inspector ===
++**Frame Inspector**
  [[image:lss-flowarm-inspector-frame.png]]
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          +303,13 @@
  == Sequencer ==
--=== Reverse Frames ===
++**Reverse Frames**
  [[image:lss-flowarm-settings.jpg]]
  It's useful to be able to reverse the order of frames in a sequence. To do this click the Operations button and choose Reverse Frames.
--=== Sequence Playback ===
++**Sequence Playback**
  [[image:lss-flowarm-play.jpg]]
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          +317,7 @@
  [[image:lss-sequencer-handle.jpg||height="70" width="241"]]
--=== Assign an input to a sequence ===
++**Assign an input to a sequence**
  [[image:lss-flowarm-association.jpg]]
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          +324,9 @@
  You can assign an input to a sequence by choosing one in the drop-down list left of the sequence name. By default a sequence does not have a input associated with it. When you click on that box, you will be presented with a list of possible inputs. A sequence can only have one input associated with it. Similarly, an input can only be associated with one sequence at a time. If you choose an input in the list that is already associated, it will be removed from its previous sequence and assigned to the current one. By clicking on the sequence list, you will see which input is associated to each sequence to the right of their name:
  If a sequence is already playing when its associated input is triggered, it will ignore that input and continue playing as normal. If an input that is associated is triggered when a different sequence is playing, it will be stopped and the
--=== Decision Frame ===
++**Decision Frame**
--[[image:lss-flowarm-decision-frame.jpg]]
++**[[image:lss-flowarm-decision-frame.jpg]]**
  At the end of every sequence there is a permanent frame called the decision frame (it is orange for easy identification). Click on the top part (orange) to change the last action of the sequence. There are 3 options:
@@ -338,35
          +338,18 @@
  = Notifications =
--(% style="width:1300px" %)
--|(% style="text-align:center; width:450px" %)**Displayed Error**|(% style="text-align:center; width:100px" %)**LED Status**|(% style="text-align:center" %)**Informations**
--|{{lightbox image="lss-flowarm-notification-limp.png"/}}|(% colspan="1" rowspan="2" style="text-align:center; vertical-align:middle" %)(((
--[[image:LSS-UserColor.png||alt="LSS-Error-SafeMode.gif"]]
--User Defined
--)))|User clicked on the "LIMP" button or FlowArm noticed an error and put the arm in "LIMP" by himself.
--|{{lightbox image="lss-flowarm-notification-firmware.png"/}}|(((
--FlowArm noticed an earlier firmware version which is not compatible (SERVO 1 in this example).
++Safe Mode
--* As suggested, use the LSS-Config software to update the servo(s)
--)))
--|{{lightbox image="lss-flowarm-notification-current.png"/}}|(% colspan="1" rowspan="2" style="text-align:center; vertical-align:middle" %)(((
  [[image:LSS-Error-SafeMode.gif]]
--Red Flashing
--)))|(((
--FlowArm noticed a high current error on the specified servo (SERVO 4 in this example)
++(% style="width:700px" %)
++| |
++| |
++| |
--* Verify that noting is in the way of the servo that can block it's movement.
--* Try to "RELEASE SERVOS" which will "RESET" the servo(s) in error.
--)))
--|{{lightbox image="lss-flowarm-notification-temperature.png"/}}|(((
--FlowArm noticed a high temperature error on the specified servo (SERVO 5 in this example).
--
--* Let it cool down for a minute.
--* Try to "RELEASE SERVOS" which will "RESET" the servo(s) in error.
--)))
--
  = Troubleshooting =
  If you encounter any bugs or issues when installing or using the LSS FlowArm application, please submit a new post on the Lynxmotion community sub-forum here: [[https:~~/~~/www.robotshop.com/community/forum/c/lynxmotion/electronics-software>>url:https://www.robotshop.com/community/forum/c/lynxmotion/electronics-software]]
++
++{Work in progress}

LSS-UserColor.png

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