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14-Alexandrite
March 18, 2020
Question

Solve

  • March 18, 2020
  • 1 reply
  • 4464 views

Hi

I write a new calculus sheet, with it, i want to calculate a kinematic for parallel glide structure(  is it a Clavel's Delta robot variation)

 

In my sheet, i don't understand why prime don't solve the last equation

see attached file

Anyone can help me ?

1 reply

25-Diamond I
March 18, 2020

The reason is that OP.i is a matrix and so is the RHS of your equation!

 

If you clear OP.i (and L) for symbolic calcs, you get a symbolic result

Werner_E_0-1584532602128.png

 

XDN14-AlexandriteAuthor
14-Alexandrite
March 18, 2020

Great ! ( i don't know clear function.)

It is possible to use it in program for calculate  all value for

B1_z ; B2_z ; B3_z

I need to calculate it for each leg

I don't know to make it in one program. I want this program give me B1_z ; B2_z ; B3_z for control robot

 

XDN14-AlexandriteAuthor
14-Alexandrite
March 18, 2020

Another question:

it is possible to keep only positive root, and , it is possible to assign this solve result to a new variable ?