Fuzzy Logic B.U. Fuzzy Logic B.U. 02/29/00 Motor Std. Contro

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Fuzzy Logic B.U. Fuzzy Logic B.U. 02/29/00 Motor Std. Contro

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Motor Speed Position Fuzzy Control
Fuzzy Logic B.U.
Fuzzy Logic B.U. 02/29/00
Motor Std. Control Fuzzy Control
TRADITIONAL CONTROL
FUZZY CONTROL
NEG. NEG. ZERO POS.
ZERO
POS.
State Feedback
Error Speed THEN Vout
THIS CONTROL ACHIEVED USING
FUZZY RULES OBTAIN HIGHER PERFORMANCES IMPLEMENTED USING VERY SIMPLE HARDWARE STRUCTURE
Fuzzy Logic B.U. 02/29/00
Motor Fuzzy Model
motor normally represented second order linear system. this non-linearity static frictions considered. Furthermore power actuator modeled. these reasons seem more convenient linguistic model system. using Fuzzy Logic simple fuzzy model obtained. Only rules have been used identify system behavior
Fuzzy Logic B.U. 02/29/00
Motor Fuzzy Model: results
Speed
Time (Sec.) Measured Data Fuzzy Model
Fuzzy Logic B.U. 02/29/00
Fuzzy Controller Description
Fuzzification
Error
Rules Inference
er_n der_n THEN vout v_nn er_n der_z THEN vout v_nz er_n der_p THEN vout v_np er_z der_z THEN vout v_zz er_p der_n THEN vout v_pn er_p der_z THEN vout v_pz er_p der_p THEN vout v_pp er_z der_n THEN vout v_zn er_z der_p THEN vout v_zp
Defuzzification
Statoric Voltage
Speed
Fuzzy Logic B.U. 02/29/00
Fuzzy Control Results
Ref.
Time (Sec.) Fuzzy Cont. Std. Cont.
Fuzzy Logic B.U. 02/29/00
Fuzzy Control Results
Position
Ref.
Time (Sec.) Fuzzy Cont. Std. Cont.
Fuzzy Logic B.U. 02/29/00
Brushless Motor Speed Control ST52x301
Brushless Motor
CON8 74LS00 74LS00 74LS00 SPEED REFERENCE AIN0 AIN1 AIN2 AIN3 AGND AVDD AGND 0.22uF CEL04 1N4148 100uF rc05 TO92 BC308 2.2K rc05 1N4148 10nF 100uF DO41 Vref Vboot L6234 4.3V 2.2K rc05 CEL04 10uH 0.1uF 10uF 0.1uF AGND Masse AVDD 22pF AIN0 AIN1 AIN2 AIN3 AIN[0.3] 8SIP100
ST52T301
MAIN2 MAIN1 TRES TCTRL TCLK AIN0 AIN1 AIN2 AIN3 MODE TEST RESET AVDD AVSS OSCOUT 5MHz 22pF READY IO_MODE TRIACOUT TIMEROUT AIN_OUT OSCIN
BusI/O CON7 7sip100
BG(44)
Fuzzy Logic B.U. 02/29/00
Brushless Motor Speed Control ST52x301
Fuzzy Logic B.U. 02/29/00
Speed Measurement ST52x301
Hall Sensor signal
Start Timer
Stop Timer
timer counter value proportional rotor speed. Ext. Interrupt used start stop timer counting. Timer count then used Main Program control definition.
Fuzzy Logic B.U. 02/29/00
ST52x301 Timer Setting
Start/Stop signal timer driven Hall Sensor Signal using EXT. Interrupt. Then speed measured using value Timer Counter
Fuzzy Logic B.U. 02/29/00
Duty Cycle modulation ST52x301
value defined fuzzy controller variation duty cycle. This value then integrated send driver motor speed control.
Fuzzy Logic B.U. 02/29/00

Fuzzy Logic B.U. Fuzzy Logic B.U. 02/29/00 Motor Std. Contro

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