Units and parameters

# Units and parameters - V/A Ohm v= R*i C capacitance[As/V]= F Farad C*dv/dt= i L inductance[Vs/A]= H Henry L*di/dt= v FLUID POWER Basic variable set

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BASIC UNITS FOR FOUR DOMAINS ME457 MECHANICAL TRANSLATION Basic variable set F force N Newton x displacement m meter t time s second Derived variable set v velocity m/s Linear parameters b damping Ns/m F= b*v k stiffness N/m F= k*x m inertia Ns^2/m M*dv/dt= F MECHANICAL ROTATION Basic variable set T torque Nm θ angular displacement rad radian t time s second Derived variable set ω angular velocity rad/s Linear parameters b r damping Ns/m F= b r *v k r stiffness N/m F= k r *x J mass moment of inertia Ns^2/m J*d ω /dt= T ELECTRICAL CIRCUITS Basic variable set v voltage V Volts q charge C Coulomb t time s second Derived variable set i current [C/s]= A Ampere Linear parameters R resistance
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Unformatted text preview: V/A Ohm v= R*i C capacitance [As/V]= F Farad C*dv/dt= i L inductance [Vs/A]= H Henry L*di/dt= v FLUID POWER Basic variable set F force N Newton x displacement m meter t time s second Derived variable set P pressure N/m^2 Q flow rate m^3/s Linear parameters Rf fluid damping Ns/m^5 P= Rf*Q Cf fluid compliance m^5/N Cf*dP/dt= Q If fluid inertia Ns^2/m If*dQ/dt= P W:\www.egr.msu.edu\htdocs\classes\me457\rosenber\lectures\Unit2 Structured Modeling\ Units and parameters.xls Mt MR EC FP 1/14/2006...
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## This note was uploaded on 07/25/2008 for the course ME 457 taught by Professor Rosenberg during the Spring '07 term at Michigan State University.

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