EDC asendab mehaanilist kontrolli kuberner koos elektromagnetilise juhtseadmega. EDC on jagatud need peamised komponentide rühmade osas. · Electronic sensors for registering operating conditions and changes. Electronic andurid registreerimise käitamistingimuste ja muudatusi. A wide array of physical inputs is converted into electrical signal outputs. Mitmekesised füüsilise sisendite muundub elektrilise signaali väljundid. · Actuators or solenoids which convert the control unit's electrical output signal into mechanical control movement. Actuators või solenoidid , mis muudavad kontrolli üksuse elektri-väljundsignaali mehaaniliseks liikumise kontrollimiseks. · ECM (Electronic Control Module ) or Engine ECU (Electronic Control Unit) with microprocessors which process information from various sensors in accordance with programmed software and outputs required electrical signals into actuators and
Measuring Period versus Frequency 95 Mixing 97 Voltage-to-Frequency Converters 99 Clock Resolution 102 5 Output Control Methods 103 Open-Loop Control 103 Negative Feedback and Control 103 Microprocessor-Based Systems 104 On-Off Control 105 Proportional Control 108 PID Control 110 Motor Control 123 Measuring and Analyzing Control Loops 130 6 Solenoids, Relays, and Other Analog Outputs 137 Solenoids 137 Heaters 143 Coolers 148 Fans 149 LEDs 151 7 Motors 161 Stepper Motors 161 DC Motors 180 Brushless DC Motors 184 Tradeoffs between Motors 198 Motor Torque 201 vi Contents 8 EMI 203 Ground Loops 203
overseas market models (see illustration). connections at the vacuum switches and The system's function is to improve the air solenoids and disconnect them. and fuel mixture when the engine is cold in 7 Where applicable disconnect the switch low ambient temperatures. It achieves this by
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