Pulse-width Modulated Signals (PWM)
Many actuator systems in motor vehicles require variable power levels for the devices being controlled.
Actuators which need to assume intermediate values between the ON and OFF limits are controlled by means of pulse-width modulated signals. With our training system trainees document their measurement results, signals and fault protocols and analyse, evaluate and present their findings. This way they are able to isolate faults and
propose suitable strategies for fault rectification.
- Knowing the principle of pulse-width modulation
- List use cases of PWM in automotive engineering
- Power matching with PWM
- Explain the difference between direct and pulsed current
- Measurement of PWM signal characteristics: frequency,
amplitude, pulse-width (duty cycle), edge and signal shapes - Identify control and working circuits
- Measurement of PWM signals
- Diagnosis of PWM-controlled components