Mot so bai tap VHDL

1. Vit chng trnh VHDL tnh ton biu thc sau: 2axy b

Vi a = 0.01 v b = 2

Yu cu:

1. Vit chng trnh VHDL dng tun t, tn hiu u vo 16 bit, u ra 32 bit.

2. M phng bng vector waveform file

3. M phng bng Matlab-Modelsim

2. Vit chng trnh VHDL tnh ton biu thc sau: 2axy bx c

Vi a = 0.02, b = 0.122 v c = 2

Yu cu:




3. Vit chng trnh VHDL tnh ton biu thc sau: 3 2ax xy b cx d

Vi a = 0.02, b = 0.122, c = 0.003 v d = 0.01

Yu cu:




4. Vit chng trnh VHDL tnh ton biu thc sau: 4 3 2ax x xy b c dx e

Vi a = 0.02, b = 0.122, c = 0.003, d = 0.5 v e = 0.01

Yu cu:




5. Vit chng trnh VHDL nhn hai ma trn sau:

1 11 12 1

2 21 22 2

Y A A X

Y A A X

Yu cu:




4. Kim tra kt qu lp trnh bng cc h s sau:

12

1.2 0.3 0.5

0.12 0.5 0.5

Y

Y


1 11 12 13 1

2 21 22 23 2

31 32 33 33

Y A A A X

Y A A A X

A A A XY

Yu cu:





1

2

3

1.2 0.3 0.3 0.5

0.12 0.5 0.5 0.5

0.5 0.6 0.7 0.5

Y

Y

Y


11 12 11 12 11 12

21 22 21 22 21 22

Y Y A A X X

Y Y A A X X

Yu cu:





11 12

21 22

1.2 0.3 1.2 0.3

0.12 0.5 0.12 0.5

Y Y

Y Y

8. Vit chng trnh VHDL tnh ton ma trn sau:

1 111 12 13 14

2 221 22 22 22

33 31 32 33 34

41 42 43 44 44

Y XA A A A

Y XA A A A

XY A A A A

A A A A XY

Yu cu:





0.02 0.03 0.04 0.05 0.2

0.01 0.02 0.03 0.04 0.4

0.03 0.04 0.05 0.06 0.6

0.04 0.05 0.06 0.07 0.8

9. Vit chng trnh VHDL tnh ton ma trn sau:

11 12 13 11 12 13 11 12 13

21 22 23 21 22 23 21 22 23

31 32 33 31 32 33 31 32 33

Y Y Y A A A X X X

Y Y Y A A A X X X

Y Y Y A A A X X X

Yu cu:





0.5 0.6 0.7 0.15 0.16 0.17

0.6 0.7 0.8 0.16 0.17 0.18

0.2 0.3 0.4 0.12 0.13 0.14

10. Cho s mch sau:

Yu cu

1. Vit chng trnh VHDL m t s trn.


11. Cho php bin i Park nh sau:

os

os

d

q

i iC Sin

i iSin C

Yu cu:

1. To bng d liu hm sin v hm cos.



12. Cho php bin i Clark nh sau:

2 1 1

3 3 3

1 10

3 3

a

b

c

ii

ii

i

Yu cu:



13. Cho php bin i Park ngc nh sau:

cos sin

sin cos

de e

qe e

vv

vv

Yu cu:

1. To bng d liu cho hm sin v hm cos.



14. Cho php bin i Clark ngc nh sau:

1

2

3

ef

ef

ef

1 3

2 2

1 3

2 2

1 0r

r

r

vv

vv

v

Yu cu:



15. Cho hm sin v hm cos nh sau:

1

2

cos

sin

ey

y

Yu cu:

1. To bng d liu cho hm sin v hm cos.



16. Cho phng trnh nh sau:

1 1 2 2 3 3* * *Y a x a x a x

Yu cu:





A0 = 0.1, A1 = 0.2001, A2 = -0.4525, X0= 0.2001, X1= 0.2001, X2 = 0.1

Phn 2

Cu 1 Cho mt h thng iu khin c cu trc nh sau:

B PI c thit k vi tn s trch mu l 100 Hz. Khi Plant c thit k vi cc thng

tin:

10; 2n

Lu : s dng hm bilinear chuyn qua dng ri rc

Yu cu:

H thng lin tc

H thng ri rc

1. Vit chng trnh VHDL m t b iu khin PI trn, tn hiu u vo 16 bit,

u ra 16 bit.


3. Chn cc thng s Kp v Ki ng ra (Output) bm tt gi tr t u vo

(Input)



tin:

20; 2n


Yu cu:


u ra 16 bit.



(Input)


H thng lin tc

H thng ri rc


tin:

30; 3n


Yu cu:


u ra 16 bit.



(Input)


H thng lin tc

H thng ri rc

B PID c thit k vi tn s trch mu l 300 Hz. Khi Plant c thit k vi cc

thng tin:

30; 3n


Yu cu:

1. Vit chng trnh VHDL m t b iu khin PID trn, tn hiu u vo 16 bit,

u ra 16 bit.


3. Chn cc thng s Kp, Ki v Kd ng ra y(n) bm tt gi tr t u vo x(n)


+1

1

z1

z

y(n)

-

x(n)1

1

i

z1

zK

plantpK

)z1(K 1d

+e(n) +

+

u(n)

up(n)

ui(n)

ud(n)

PID controller

Plant

ModelSim

SimuLink

H thng lin tc

H thng ri rc


thng tin:

40; 4n


Yu cu:


u ra 16 bit.




+1

1

z1

z

y(n)

-

x(n)1

1

i

z1

zK

plantpK

)z1(K 1d

+e(n) +

+

u(n)

up(n)

ui(n)

ud(n)

PID controller

Plant

ModelSim

SimuLink

H thng lin tc

H thng ri rc


thng tin:

50; 5n


Yu cu:


u ra 16 bit.



Cu 7 Cho b iu ch rng xung (PWM)

+1

1

z1

z

y(n)

-

x(n)1

1

i

z1

zK

plantpK

)z1(K 1d

+e(n) +

+

u(n)

up(n)

ui(n)

ud(n)

PID controller

Plant

ModelSim

SimuLink

H thng lin tc

H thng ri rc

Yu cu:

1. Vit chng trnh VHDL m t b iu ch rng xung trn.



Counter

(8-bit)

Khi so snh

Gi tr so snh T (0~255)

Q(0~255)

Sys_clk

200Hz

T

Q

0

255

Y

Y

Y

256/200 sec

Yu cu:




Counter (12-bit)

Khi so snh


Q(0~4095)

Sys_clk

200Hz

T

Q

0

4095

Y

Y

Y

4096/200 sec

Yu cu:



Cu 10 Cho b lc thng thp bc hai nh sau:

2 2

986( )

62.8 986G s

s s

Yu cu:

1. Xy dng mch lc thng thp bc 4 t mch lc thng thp bc hai trn.

2. Chuyn mch lc xy dng bc 1 qua dng ri rc s dng hm Bilinear vi

tn s trch mu 100Hz.

3. Vit chng trnh VHDL m t mch lc thng thp bc 4 xy dng bc 1.

4. M phng bng Matlab-Modelsim vi tn hiu u vo l tng ca hai hm sin

c cu trc v dng sng nh sau:

Counter (16-bit)

Khi so snh


Q(0~65535)

Sys_clk

200Hz

T

Q

0

65535

Y

Y

Y

Example:

65536/200 sec

5. Dng hm transfer v discrete transfer trong matlab thit k b lc xy dng

bc 1 v bc 2 so snh vi kt qu m phng Matlab/ModelSim.


2 2

986( )

62.8 986G s

s s

Yu cu:



tn s trch mu 200Hz.







VHDL code

Output

signal

Input signal

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5-1

-0.5

0

0.5

1

Time (ms)

VHDL code

Output

signal

Input signal

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5-1

-0.5

0

0.5

1

Time (ms)

2 2

986( )

62.8 986G s

s s

Yu cu:



tn s trch mu 300Hz.






Cu 13 Cho hm step response

Cu 14 Cho hm m

Cu 15 Tra bng Sin & Cosine

Vit chng trnh VHDL tra bng c gi tr Sine v Cosine

1

2

( )*2048

( )*2048

y Sin

y Cos

Bng gi tr hm Sine

VHDL code

Output

signal

Input signal

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5-1

-0.5

0

0.5

1

Time (ms)

Bng gi tr hm Cosin

on code c hm Sine v Cosine

Cung cp a ch u vo c hm Sine v Cosine

th so snh kt qu m phng bng VHDL v hm Sine ca Matlab

0 0.02 0.04 0.06 0.08 0.1 0.120

100

200

300

400

Time (s)

Waveform of sine

function from Matlab

and VHDL

0 0.02 0.04 0.06 0.08 0.1 0.12-10

-5

0

5

10

0 0.02 0.04 0.06 0.08 0.1 0.12-3000

-2000

-1000

0

1000

2000

3000

Time (s)

Time (s)

(b)

(a)

th so snh kt qu m phng bng VHDL v hm Cosine ca Matlab

Cu 16

Waveform of cosine

function from Matlab

and VHDL

0 0.02 0.04 0.06 0.08 0.1 0.12-3000

-2000

-1000

0

1000

2000

3000

0 0.02 0.04 0.06 0.08 0.1 0.12-2

-1.5

-1

-0.5

0

0.5

1

Time (s)

Time (s)

(a)

(b)

Documents

Mot so bai tap VHDL