Difference between revisions of "Upright"
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=[http://scripts.mit.edu/~biomechatronics/wiki/index.php?title=BLMD6C BLMD6C]= | =[http://scripts.mit.edu/~biomechatronics/wiki/index.php?title=BLMD6C BLMD6C]= | ||
*more details for uprights here. | *more details for uprights here. | ||
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+ | =Software Modifications= | ||
+ | * QEI changed from 4x to 2x mode as: | ||
+ | ** 1) encoder has higher resolution | ||
+ | ** 2) gear ratio is higher. | ||
+ | ** even in 2x mode, max planterflexion results in count of -27k, close to limit of -32k |
Revision as of 01:16, 20 June 2008
Sensors
- SG1 (torque) -> SG channel 1 (2.0k, 500x)
- SG2 (compression) -> SG channel 2 (8.2k, 122x)
- SG3 (series) -> SG channel 3 (5.9k, 170x)
- INA326 gain : 2 * R2/R1 = (2 * 500k/xx)
AKCPU2Z Modifications
- verify JR1 is in position in 2-3
- change RB1 from 470 ohm to 0.0 ohms.
UPSG1
- U1-U3 populated with 4.096V reference, X60003CIG3Z-41T1CT-ND
BLMD6C
- more details for uprights here.
Software Modifications
- QEI changed from 4x to 2x mode as:
- 1) encoder has higher resolution
- 2) gear ratio is higher.
- even in 2x mode, max planterflexion results in count of -27k, close to limit of -32k