강의자료실 - 강의자료실

Fluid System Design:

(Electric Circuit Analysis)

Department of Mechanical Engineering Chosun University

Yang Jun Kang, Ph.D.

engineering-and-computer-science/6-002-circuits-and-electronics-spring-2007 “OCW.MIT.EDU”: MIT Open Courseware

1. Lumped parameter model

“ We could solve it with the hard way”

“Maxwell equations”

_{Electric field  D=ε}

0E Magnetic field  B=μ0H

dA

n

B

A B





⋅

=

∫

φ

dV

q

V

∫

=

ρ

E

D



=

ε

₀



KVL KCL

Volt

Current

2/31

1. Lumped parameter model

Quantitative analysis

1. Lumped parameter model

“Ohm’s law”

4/31

1. Lumped parameter model

“R” is a lumped element abstraction for the bulb

2. Node method

Demonstration

3. 1st _{Order System}

∫

idt

dt

dv

C

i

=

15/31

4. 2nd _{Order System 24/31} ) ( ) ( 0 0 0 0 0 t j t j _{cV je} e V dt d c dt dv c i = = ω = ω ω 0 0

ω

cV

i

=