Dirección Electro Asistida ¿Qué es y cómo funciona? Dirección Eléctrica
Introduction to Electroacoustic Steering System
This section introduces the electroacoustic steering system (IPS) used in Hyundai vehicles since 2003. The IPS provides safer and more comfortable driving experience, as well as fuel efficiency.
Electroacoustic Steering System
- The IPS is a system that incorporates electroacoustic steering in Hyundai vehicles.
- It uses an electric motor of 12 volts to turn the steering in both directions, allowing for approximately 520 degrees of rotation.
- The system includes a torque position sensor and an angle position sensor to calculate the exact point and amount of current needed for steering.
- At higher speeds, above 100 km/h, the system reduces power assistance to ensure safer driving.
- Programming is done when installing control units or position sensors for the steering system.
Benefits of Electroacoustic Steering System
This section discusses the benefits of the electroacoustic steering system, including improved fuel efficiency and reliability.
Fuel Efficiency
- The IPS contributes to significant fuel savings by increasing mileage per gallon of fuel consumed.
- The control unit manages the current supplied to the motor based on engine power requirements.
Reliability
- The IPS ensures reliable steering by accurately calculating and supplying appropriate current based on driver input.
- High currents, up to 60 amperes, can be provided when necessary for better handling.
- At speeds above 100 km/h, power assistance is reduced to enhance stability and reliability.
Data Analysis and Parameters Monitoring
This section explains various parameters monitored by the control unit in real-time data analysis for Hyundai Elantra MD (2015).
Monitored Parameters
- Battery Voltage: Monitored as a fundamental parameter for determining current supply to the motor.
- Torque Sensor: Measures the force applied to the steering system.
- Absolute Angle Position: Indicates the position of the steering wheel during driving.
- Displacement Angle: Measures the deviation from the ideal steering angle.
- Steering Wheel Speed: Reflects how quickly the driver turns the steering wheel.
- Current on Motor: Shows the current supplied by the control unit to the 12-volt motor.
- Consign Value: Desired current value for optimal performance.
- Torque Consign Value: Desired torque value for smooth driving.
- Computer and Motor Temperature: Monitors temperature levels to prevent overheating.
Control Unit and Temperature Management
This section discusses temperature management in the control unit and its impact on system performance.
Control Unit Temperature
- The control unit has a circuit with transistors capable of generating high temperatures, which need to be controlled through proper cooling measures.
- If temperatures rise too high, the control unit disables power assistance to ensure safety.
System Operation and Parameters Monitoring
This section demonstrates system operation and real-time monitoring of parameters during engine startup.
System Operation
- When starting the engine, battery voltage increases as power is supplied to various components, including IPS.
- The movement of the steering wheel generates current readings that reflect desired and actual values monitored by the control unit.
Parameter Monitoring
- The current readings indicate how closely desired values match actual values, providing insights into system performance and potential faults.
Steering Wheel Position and Speed
This section explains how steering wheel position and speed are measured in relation to vehicle dynamics.
Steering Wheel Position
- With wheels aligned straight ahead, a slight negative angle deviation indicates minimal misalignment from mechanical alignment standards.
- Negative values indicate deviation to the left, while positive values indicate deviation to the right.
Steering Wheel Speed
- The speed at which the steering wheel is turned reflects how quickly the driver moves it.
- Even when the steering wheel is held in a fixed position, a high speed value indicates rapid movement in previous moments.
Current and Transistor Protection
This section discusses current levels and transistor protection in the electroacoustic steering system.
Current Levels
- The control unit supplies current to the 12-volt motor for steering assistance.
- Normal current levels do not exceed 80 amperes to prevent damage to transistors.
Transistor Protection
- Excessive temperature in the control unit can lead to disabling of power assistance for steering.
- Proper cooling measures are necessary to maintain optimal performance and prevent overheating.
Timestamps may vary slightly due to differences in video playback.