LabVIEW LabVIEW Laboratory Virtual Instrument Engineering Workbench G LabVIEW DAQ LabVIEW LabVIEW LabVIEW LabVIEW ph LabVIEW DAQ LabVIEW PZT LabVIEW / =2 10-8 1
LabVIEW DAQ LabVIEW DAQ DAQ LabVIEW DAQ DAQ National Instruments AT-MIO-16E-10 Device Number =1 DAQ Connector Blocks Ribbon Cables DAQ 68 pins Connector Blocks 50 pins 50 channels analog/digital input analog/digital output +5V output external reference BNC Cables PC DAQ card Ribbon Cables Connector Blocks BNC Cables ( ) sine Connector Blocks LabVIEW LabVIEW AI Acquire Waveforms.vi Hz V Sine Hz V 2
Voltage (V) Hz V Sine Hz V LabVIEW LabVIEW Connector Blocks LabVIEW LabVIEW X = A cos ( t + ) 2 Y = B sin ( ) LabVIEW Icon-AO Generate Waveform Connector Blocks A= 3, B= 6, 2 2 / 100 (a) (b) (c) 3
(a) (b) (c) A= 3, B= 6, 2 / 100 2 (update rate) update rate 15000 updates/sec LabVIEW LabVIEW 4
LabVIEW (precision and resolution) 0.05V 0.1V (gain) LabVIEW X Y (a) (b) (c) (d) (a)100 (b)500 (c)1000 (d)10000 5
(Gain) (Precision) DAQ G G = DAQ ( ) DAQ 10V ~ +10V User Manual -5V ~ +5V 0V ~ +10V LabVIEW Icon AI Acquire Waveforms.vi Gain DAQ Gain DAQ 0.5 1 2 5 10 20 50 100 200 Gain DAQ LabVIEW Gain (Gain) (Precision) Range Gain Configuration 0 to +10V 0.5 1 2 5 10 20 50 100-10V to +10V 1 2 5 10 20 50 100 200 Actual Input Range -10 to +10V 0 to +10V 0 to +5 V 0 to +2 V 0 to +1 V 0 to +0.5V 0 to +0.2V 0 to +0.1V -10 to +10V -5 to +5 V -2 to +2 V -1 to +1 V -0.5 to +0.5V -0.2 to +0.2V -0.1 to +0.1V -0.05 to +0.05V 6 Precision 4.88 mv 2.44 mv 1.22 mv 488.28 µv 244.14 µv 122.07 µv 48.83 µv 24.41 µv 4.88 mv 2.44 mv 1.22 mv 488.28µV 244.14µV 122.07µV 48.83µV 24.41µV
precision 300Hz 10mV sine wave G = 1 G = 20 scale 301 3000samples/sec G = 1 precision 4.88mV 301 scale (a ) G = 20 precision 244.14µV (b ) sine wave Gain( precision) (a) sine wave LabVIEW 300Hz 10mV (a)(b) sample rate 30000#/sec 301 (a)gain=1 (b)gain=20 7 (b)
Analog Digital 12 bits 12 = 4096 10V (Precision) 10V 4096 = 2.44mV (Gain) Gain (Resolution) Precision (Time Resolution) sine wave sine wave 15 (a) 8 (b)
(a) = 100 Hz (sample rate) = 500 # / Sec (#) = 100 (b) = 100 Hz (sample rate) = 1000 # / Sec (#) = 100 (c) = 100 Hz (sample rate) = 1000 # / Sec (#) = 100 (c) (a)(b)(c) 2000 #/Sec sine wave 500#/Sec 1000 #/ Sec sine wave Analog Digital Precision Resolution 9
LabVIEW ( ) BMP LabVIEW LabVIEW D CCD BMP LabVIEW icon - IMAQ 3D LabVIEW 0~255 41 2 CCD 10
3D 3D peak 11
3D (a) (b) (c) (a) (b) (c) (d) LabVIEW D D LabVIEW (d) 12
13
14
15
16
17
18
19
20
1. LabVIEW 2. Lisa K.Wells and Jeffrey Travis LabVIEW 3. Lisa K.Wells and Jeffrey Travis LabVIEW 4. National Instruments Instrumentation Catalogue 1998 1998. 5. National Instruments DAQ-AT-MIO/AI E Series User Manual 1996. 6. National Instruments LabVIEW User Manual 1998. 7. National Instruments LabVIEW Windows User Manual December 1993. 8. National Instruments LabVIEW Function and VI Reference Manual 1997. 9. National Instruments LabVIEW Data Acquisition Basics Manual May 1997. 10. National Instruments LabVIEW ForWindows Data Acquisition VI Reference Manual December 1993. 11. National Instruments IMAQ Vision For G Reference Manual 12. National Instruments IMAQ Vision User Manual 21