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Automatic configuration of the dynamic model for common industrial robots

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Automatic Configuration of the Dynamic Model for Common Industrial Robots

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Abstract:+B5BG 6BAGEB? FB9GJ4E8 <A;8E8AG?L 78C8A7F BA G;8 @86;4A<64? FGEH6GHE8 B9 4 :<I8A EB5BG @4><A: <G 7<99<6H?G GB E8HF8 4A7 GB F;4E8 FB9GJ4E8 4@BA: 7<998E8AG EB5BG GLC8F -;8E89BE8 @BG<BA 6BAGEB? FLFG8@F 6B@8 <A I8EL ?4E:8 7<I8EF<G<8F FC86<9<6 :B4? B9 G;8 CEB=86G B7(E: <:<G4? (A 78@4A7 B@CHG<A: (E:4A<F@ 9BE +84? G<@8 ,LFG@F J<G;<A G;8 CE<BE<GL CEB:E4@@8 V(E:4A<6 B@CHG<A:W <F G;8 78I8?BC@8AG B9 4A BE:4A<6 EB5BG 6BAGEB? FLFG8@ -;<F <F 4 :8A8E4?<M87 4A7 F8?9 6BA9<:HE<A: 6BAGEB? FLFG8@ 4CC?<645?8 GB G;8 @BG<BA 6BAGEB? B9 4 J<78 6?4FF B9 7<998E8AG EB5BG GLC8F FC86<4??L <G 4HGB@4G8F G;8 FB?I<A: B9 G;8 6?H@FL ><A8@4G<6 4A7 7LA4@<6 8DH4G<BAF A868FF4EL 9BE @BG<BA 6BAGEB? 4A7 B998EF 9HA6G<BA4?<G<8F 9BE 4HGB@4G8 GE4=86GBEL :8A8E4G<BA -;<F C4C8E 9B6HF8F BA G;8 7LA4@<6 EB5BG @B78?

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1 Introduction

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(2)

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2 State of the Art

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(3)

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3 Organic Robot Control

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(4)

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3.1 Lagrangian equations

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(5)

i i i

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d

i n

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zz yz xz

yz yy

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I I I

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4A7 " 4F G;8 Z <78AG<GL @4GE<K -;<F @4GE<K <F G<@8 <AI4E<4AG

A i i

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r Q T I

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J;<6; 4E8 4 9HA6G<BA B9 G;8 @4FF 4A7 G;8 :8B@8GEL B9 G;8 @4A<CH?4GBE

(6)

i T i n

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y

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3.2 Programming Interface

?? 7LA4@<6F 6B@CBA8AGF <@C?8@8AG G;8 F4@8 <AG8E9468 ,B <G <F 84FL GB <AG8:E4G8 A8J 7LA4@<6F 6B@CBA8AGF BE GB FH5FG<GHG8 4 6B@CBA8AG J<G; 4ABG;8E BA8 -;8 9B??BJ<A:

6B78 9E4:@8AGF 78F6E<58 G;8 <AG8E9468F B9 G;8 7LA4@<6F 6B@CBA8AGF G;4G 4E8 4HGB@4G<64??L CEB7H687 9EB@ G;8 8DH4G<BAF B9 G;8 CE8I<BHF F86G<BA -;8 HF4:8 <F I8EL F<@C?8 5864HF8 G;8 7<E86G 4A7 <AI8EF8 7LA4@<6F <F C8E9BE@87 5L 64??<A: G;8F8 9HA6G<BAF -;8 <A<G<4?<M4G<BA B9 G;8 7LA4@<6F C4E4@8G8EF B9 4 EB5BG 4E@ 8: @4FF8F B9 G;8 ?<A>F <F 7BA8 <A 4ABG;8E @8G;B7

-;8 7<E86G 7LA4@<6F 6B@CHG8F G;8 @BI8@8AG B9 G;8 @4A<CH?4GBE 7H8 GB 8KG8EA4? 4A7

<AG8EA4? 9BE68FGBEDH8F -;8 <ACHGF GB G;8 7<E86G 7LA4@<6F 6B@CHG4G<BA 4E8 G;8 6HEE8AG

=B<AG CBF<G<BAF 4A7 I8?B6<G<8F 4A7 G;8 =B<AG 9BE68GBEDH8 I4?H8F -;8 BHGCHGF 4E8 G;8 E8FH?G<A: =B<AG 4668?8E4G<BAF -;8 @8G;B7 E8GHEAF GEH8 <9 G;8 4668?8E4G<BAF 6BH?7 58 64?6H?4G87 9BE 846; =B<AG B9 G;8 @4A<CH?4GBE 4A7 BG;8EJ<F8 94?F8

virtual bool directDynamics

(const Vector &positions, const Vector &velocities, Vector &accelarations, const Vector &torques) const=0 ,<@H?4G<BA E8DH<E8F FB?I<A: G;8 7LA4@<6 8DH4G<BAF 9BE 4668?8E4G<BA -;<F @8G;B7 <F HF89H? 9BE F<@H?4G<BA G;8 @BG<BA B9 4 EB5BG 4E@ -;8 <AI8EF8 7LA4@<6F 6B@CHG8F G;8 9BE68F 4A7 GBEDH8F J;<6; 4E8 A868FF4EL GB C8E9BE@ 4 68EG4<A @BG<BA -;8 <ACHGF GB G;8

<AI8EF8 7LA4@<6F 6B@CHG4G<BA 4E8 G;8 =B<AG CBF<G<BAF I8?B6<G<8F 4A7 4668?8E4G<BAF BI8E 4 FC86<9<87 GE4=86GBEL -;8 BHGCHGF 4E8 G;8 6BEE8FCBA7<A: =B<AG 9BE68GBEDH8 I4?H8F G;4G

(7)

;4I8 GB 58 <@CBF87 GB G;8 EB5BG GB 9B??BJ G;8 GE4=86GBEL -;<F @8G;B7 <F HF89H? 9BE 78G8E@<A<A: G;8 F8G CB<AGF B9 G;8 46GH4GBEF G;4G 4E8 E8DH<E87 9BE 4 78F<E87 @BG<BA 4A7 <F 4 FG4EG<A: CB<AG 9BE @B78? 54F87 6BAGEB?

virtual bool inverseDynamics

(const Vector &positions, const Vector &velocities, const Vector &accelarations, Vector &torques) const=0

3.3 Robotics Example

-;8 4HGB@4G<6 78E<I4G<BA B9 G;8 7LA4@<6 8DH4G<BAF ;4F 588A FH668FF9H??L <@C?8@8AG87 F 4A <??HFGE4G<BA J8 8K8@C?4E<?L ABJ 6BAF<78E 4 ,64E4 EB5BG 4E@ -;8 EB5BG ;4F 9BHE 78:E88F B9 9E887B@ <A G;8 4EG8F<4A FC468 -;8 ?<A> C4E4@8G8EF E8DH<E87 GB 64?6H?4G8 G;8 7LA4@<6 8DH4G<BAF 4E8 @4FF @< ?B64G<BA B9 G;8 68AGE8 B9 :E4I<GL 4A7 G;8 G8E@F B9 G;8

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(8)

4 Conclusion

"G <F ABG CE46G<64? BE 47I<F45?8 GB 78E<I8 G;8 7LA4@<6 @B78? B9 846; EB5BG @4A<CH?4GBE

@4AH4??L 4A7 64F8 5L 64F8 -;8E89BE8 <A G;<F C4C8E 4 @8G;B7B?B:L 9BE 4HGB@4G<64??L 78E<I<A: G;8 %4:E4A:<4A 8DH4G<BAF ;4F 588A <??HFGE4G87 "A C4EG<6H?4E J8 ;<:;?<:;G G;8 F8?9 6BA9<:HE4G<BA 4A7 FL@5B?<6 CEB68FF<A: 984GHE8F B9 BHE FLFG8@ 4F J8?? 4F G;8 4HGB@4G87 :8A8E4G<BA B9 G;8 7LA4@<6F 8DH4G<BAF :<I8A 4 78F6E<CG<BA B9 G;8 6BAGEB??87 EB5BG H8 GB G;8 4A4?LG<64? A4GHE8 J8 :8G 4 @BE8 :8A8E4? E8FH?G 4A7 64A 4HGB@4G8 G;<F CEB68FF J;<?8 AH@8E<64? @8G;B7F 4E8 B9G8A FC86<9<6 GB 4 68EG4<A CEB5?8@ &BE8BI8E J8 4?FB 4HGB@4G<64??L 7B6H@8AG ;BJ G;8 FB?HG<BAF J8E8 9BHA7

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Acknowledgements.-;8 JBE> BA J;<6; G;<F 4EG<6?8 <F 54F87 <F :E4AG87 5L G;8 8E@4A +8F84E6; BHA74G<BA J<G;<A G;8 F6BC8 B9 G;8 CE<BE<GL CEB:E4@@8 F88

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References

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