2009-06-08.log

--- Day changed Mon Jun 08 2009
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kanzureit looks like for bond graphs (the retarded American brother of linear graph theory?), there's a "canonical form" which just means the state equations are derived from this overall giant matrix multiplication expression dealy07:05
kanzurehuh. "There is a famous BBC Radio game program which requires contestants to speak on a subject without hesitation, deviation or repetition - to follow a rational train of thought - for Just a Minute. Next to impossible. As William - roving stream of consciousness - James acknowledged."07:05
kanzure[14] J. Liu, Design of stable systems with uncertainties and constrained performance variations, International Journal of Control 67 (1) (1997) 23–32.07:11
kanzure"linear time-invariant state-space model"07:13
kanzurequery: "state equations" "bond graph" "linear time-invariant"07:22
kanzure"Towards automated conceptual design of physical dynamic systems07:22
kanzure"07:22
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kanzure"The method could not be performed on the resource because the server is unable to store the representation needed to successfully complete the request. There is insufficient free space left in your storage allocation."07:24
kanzurethanks for nothing, informaworld07:24
kanzure"A unified modeling approach using bond graph method and its application for model order reduction and simulation.pdf" has matlab code at the end demonstrating what they meant in the paper. they derive the equations of state for a given system.07:29
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kanzure"For instance, chemical engineers often assume that mixing is instantaneous and that packed distillation columns may be modeled using discrete trays."07:39
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kanzureadl.serveftp.org/papers/review/07:56
kanzurehttp://adl.serveftp.org/papers/review/07:56
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kanzurehttp://ccrma-www.stanford.edu/~jos/fp/Converting_State_Space_Form_Hand.html08:44
kanzureDifference equation to state space form: http://ccrma.stanford.edu/~jos/StateSpace/Difference_Equation_State_Space.html08:44
kanzurehttp://en.wikipedia.org/wiki/State_space_(controls)08:45
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kanzurerawr18:25
PeerInfinityhi :)18:25
kanzurefear my awesome understanding of screen18:25
* PeerInfinity fears :)18:25
kanzurethanks18:25
kanzurenow write me a particle simulator18:25
PeerInfinitysounds like fun :)18:25
nshkanz, i've written you a particle simulator18:38
nshunfortunately, it's to scale18:38
nshin fact it's just a particle18:38
nshno charge, i have billions18:38
kanzurelovely!@18:41
kanzurewhen can I have it shipped here18:41
nshdon't have to, it's functionally identical to billions right where you are18:52
kanzuremazing18:52
nshaye; i accept donations18:52
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kanzureok, what's everyone's favorite graphics library?20:17
kanzureI'm thinking of doing something 2D20:17
kanzureI have more experience with allegro than I do SDL (unfortunately)20:17
kanzureoh. vtk.20:22
drazak_Hg beating heart20:22
kanzuremercury beating who?20:22
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drazak_kanzure: Hg+H2SO4+oxidizing agent+iron nail=mercury making beating motion20:38
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