Changes for page FlowArm LSS

Last modified by Eric Nantel on 2024/07/03 09:39
From version < 93.1 >
edited by Eric Nantel
on 2019/10/17 15:14
To version < 61.1 >
edited by Coleman Benson
on 2019/09/18 14:01
< >
Change comment: There is no comment for this version

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1 -{{lightbox image="LSS-FlowArm.png" width="400"/}}
1 +[[image:LSS-FlowArm.png||width="350"]]
2 2  
3 -[[[[image:lynxmotion-wiki-attachments.WebHome@DownloadNow.png]]>>https://www.lynxmotion.com/tools/LSS_FlowArm.zip]]
3 +[[image:wiki-download.png]]
4 4  
5 5  **Page Contents**
6 6  
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28 28  
29 29  Before assembling the arm, each of the IDs assigned to the servos must correspond with what is needed in the software.
30 30  
31 -{{lightbox image="https://www.robotshop.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v2-robots/ses-v2-arms/lss-articulated-arm/lss-articulated-arm-servo-setup/WebHome/SESV2-LSS-ARTICULATED-ARM-IDS.PNG" width="350"/}}
31 +* Base: 1
32 +* Shoulder: 2
33 +* Elbow: 3
34 +* Wrist: 4
35 +* Gripper: 5
32 32  
33 33  To do so, the [[LSS Configuration Software>>doc:lynxmotion-smart-servo.lss-configuration-software.WebHome]] is used. Follow the procedure outlined here: [[doc:lynxmotion-smart-servo.lss-configuration-software.lss-config-configure-ids.WebHome]]
34 34  
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36 36  * Servos have been assembled in correct orientation (as per assembly manual)
37 37  * Servo offsets have been updated if necessary (see procedure below).
38 38  
43 +The next important step is "STORE OFFSETS" explained below.
44 +
39 39  == Connecting via USB ==
40 40  
41 -The simplest way to connect is directly using the [[LSS-Adapter>>doc:servo-erector-set-system.ses-electronics.ses-modules.lss-adapter-board.WebHome]] (or any RS232 to USB interface). Here are the steps you need to follow in order to set this up. Follow the steps below:
47 +The simplest way to connect is directly using an RS232 to USB cable. Here are the steps you need to follow in order to set this up. Follow the steps below:
42 42  
43 43  1. Connect the USB cable to the LSS Adapter board on your robot
44 44  1. Plug the USB connector into the PC
45 -1. Connect your LSS to the LSS-Adapter with the Lynxmotion cable
46 46  1. Connect the power to the LSS Adapter via the yellow XT60 plug
47 47  1. Power on the robot (On/Off switch)
48 48  1. Start the LSS FlowArm software
49 -1. Select the appropriate COM port from the drop-down list & the baudrate (115200)
54 +1. Select the appropriate COM port from the drop-down list
50 50  1. The software sends a query to servo ID1 and once a reply is received, it determines connection has been established.
51 51  
52 52  == Connecting via Bluetooth ==
53 53  
54 -If you have purchased a Bluetooth module which is in XBee format, ensure to have the right baudrate on your bluetooth adapter, the default is 115 200 for the LSS.
59 +If you have purchased a Bluetooth module which is in XBee format, ensure
55 55  
56 56  = Interface =
57 57  
58 58  == Header ==
59 59  
60 -[[image:lss-flowarm-header.png||alt="lss-flowarm-header"]]
65 +[[image:lss-flowarm-header.jpg]]
61 61  
62 -**EMERGENCY STOP**
63 -
64 -At any given time you can click this button to stop the arm. This will send a "LIMP" command directly to all servos.
65 -
66 66  **STORE OFFSETS**
67 67  
68 68  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.
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73 73  * Wrist servo along R axis (parallel to elbow to wrist)
74 74  * Gripper servo closed
75 75  
76 -(% style="width:700px" %)
77 -|(% 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"]]
77 +[[image:lss-flowarm-offsets.jpg]]
78 78  
79 79  **LIMP**
80 80  
81 -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.
81 +Causes all servos to immediately go LIMP (i.e. lose torque). The arm will collapse. 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.
82 82  
83 83  **STOP**
84 84  
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123 123  
124 124  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.
125 125  
126 -[[image:lss-flowarm-left.png||width="300"]]
126 +[[image:lss-flowarm-side-view.jpg]]
127 127  
128 128  **Top View**
129 129  
130 130  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.
131 131  
132 -**[[image:lss-flowarm-top.png||width="300"]]**
132 +**[[image:lss-flowarm-top-view.jpg]]**
133 133  
134 134  === Shortcuts ===
135 135  
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151 151  
152 152  **Gripper**
153 153  
154 -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.
154 +Assuming the gripper has been properly calibrated, The number below represents the opening at the tip. Fully closed should correspond to 0 degrees. In order to grasp an object, DO NOT have the servo rotate to a position which it cannot reach. In order to ensure the gripper servo does not go into error mode, the gripper should not exert much force on the object.
155 155  
156 -[[image:lss-flowarm-gripper-view.png||alt="lss-flowarm-gripper-view.jpg"]]
156 +1. Close the gripper to a position just slightly larger than the object
157 +1. Using the arrows, close the gripper until friction between the foam and the object prevent the object from falling out or moving.
158 +1. DO NOT apply too much pressure, or else the servo's current will spike and it will go into error mode and need to be reset.
159 +1. Use the last position as the "fully closed" position for the gripper for that object, in that specific orientation.
157 157  
161 +[[image:lss-flowarm-gripper-view.jpg]]
162 +
158 158  **Wrist**
159 159  
160 160  The wrist angle can be locked or unlocked. The field allows for user input (click the numbers) or fine adjustments using the arrows.
161 161  
162 -[[image:lss-flowarm-wrist-view.png||alt="lss-flowarm-wrist-view.jpg"]]
167 +[[image:lss-flowarm-wrist-view.jpg]]
163 163  
164 164  **End Effector Position**
165 165  
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193 193  |(% style="width:257px" %)[[image:lss-flowarm-lock.jpg]]|(% style="width:306px" %)Lock |(% style="width:758px" %)Timeline locking
194 194  |(% style="width:257px" %)[[image:lss-flowarm-loop.jpg]]|(% style="width:306px" %)Repeat / Loop Pattern|(% style="width:758px" %)Play once or loop; Set the playback speed using the up and down arrows.
195 195  |(% style="width:257px" %)[[image:lss-flowarm-play.jpg]]|(% style="width:306px" %)Sequence Playback|(% style="width:758px" %)Restart sequence, play or stop
196 -|(% 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.
197 197  
198 198  **Sequences**
199 199  
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293 293  
294 294  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.
295 295  
296 -**Frame Inspector**
297 -
298 -[[image:lss-flowarm-inspector-frame.png]]
299 -
300 -If any adjustments are required on a particular joint (servo) this function allows you to manually change them. Click on the particular frame and the commands can be edited.
301 -
302 302  == Sequencer ==
303 303  
304 304  **Reverse Frames**
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