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4.Voice control autonomous driving
Voice control autonomous driving
Voice control autonomous drivingExperimental ObjectiveExperimental Procedure and ResultsMain source code analysis
Experimental Objective
Understand and learn to use fixed basic semantics to enable the car to patrol the line according to the color of the semantics.
Experimental Procedure and Results
- First, enter the following command in the terminal:
xcd /home/pi/project_demo/10.Basic_voice_control/4.Speech_Car_line_patrol/python3 Speech_Auto_line.py- After entering this interface, wake up the car using the wake-up phrase: Hi, Yahboom in English.
- After successfully waking up, the car responds: "Hi, I'm here" in English.
- Then, control the car using fixed commands to patrol the line according to the corresponding color.
Fixed statement table
| Wake-up phrase (international users) | Operation phenomenon | Answers by Car (English version) |
|---|---|---|
| Close tracking mode | The car stops | OK, tracking mode is closed |
| Tracking the red line | The car will follow the red patrol line | OK, I will track the red line |
| Tracking the green line | The car will follow the green patrol line | OK, I will track the green line |
| Tracking the blue line | The car will follow the blue patrol line | OK, I will track the blue line |
| Tracking the yellow line | The car will follow the yellow patrol line | OK, I will track the yellow line |
Main source code analysis
xxxxxxxxxxif __name__ == "__main__": tracker = ColorLineTracker() mySpeech = Speech() try: while True: time.sleep(0.2) num = mySpeech.speech_read() if num !=999 : #print(num) if num == 0: mySpeech.void_write(num) if num == 22: tracker.stop() mySpeech.void_write(num) elif num == 23: mySpeech.void_write(num) print('red') tracker.start('red') elif num == 24: mySpeech.void_write(num) print('green') tracker.start('green') elif num == 25: mySpeech.void_write(num) print('blue') tracker.start('blue') elif num == 26: mySpeech.void_write(num) print('yellow') tracker.start('yellow') except KeyboardInterrupt: tracker.stop() print('Speech end!')speech_read: Identifies the color of the line being tracked based on fixed semantics. ColorLineTracker: Starts tracking the line.