Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 Re: Help Me ! » help needed!!! » 2007-06-21 10:48:28

see m making a reconfigurabe robot which will transform itself from a 4 legged robot to wheeled one when needed.. nw my legs have 2 limbs.. d problem dat m facing is dat i have a heavy base.. nw the robot will collapse at the junction of two limbs due to its own weight.. i wished to design a mechanical analog using d vague ideas which i tld u... using this i wz tryin 2 balance the vertical weight at ne position n still have the relative motion bt two limbs at ne angle between two limbs.. if itz still nt clear.. may b i can send u 3d model of my leg wid explanation at ur email add if u can give me ne.. newayz thanx a lottt for taking interest

#2 Re: Help Me ! » help needed!!! » 2007-06-21 10:43:36

see i m sry actually i wz thinkin frm d point of view of the actual application in the project fabrication of robot where i dnt have my coordinate axis.. i wz takin it in flat 2-d.. see i just randomly fixed the first curve as a circle.. take it as a full circle(or non changing wen rotating abt origin).. it will nt influence my fabrication.. ya i m talking abt the common normal at contact between functions.. i knw my question is vague.. may b u can help if i tell u d mechanical details n wat i actually wnt 2 achieve..

#3 Help Me ! » help needed!!! » 2007-06-20 06:18:43

noobie13
Replies: 4

hi!! i m new 2 dis forum n i need ur help..
suppose i want 2 curves(of definate length) rotating about origin and i need that at any point of time the common normal at the point of contact should be vertical... if i fix a curve let it be a semicircle from the part of x2+y2=4 and i need to find the equation of the other curve dat can satisfy the given condition..
actually i m doing mechanical engg n i really really need dis to make my project n i dnt think so i hv read dis much maths till my sec yr.... plzz if ne1 can help??

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