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Innovation

The Second Key Step Towards Becoming an Autonomous Car


Autonomous Car is an innovative drive system that combines the Automated Driving Systems (ADSs) and Advanced Driver – Assistance Systems (ADAS).

ADAS

Advanced Driver – Assistance System

The Advanced Driver – Assistant System (ADAS) is classified as a 2nd level automation system (Partial Automation). This level means the vehicle can autonomously control its speed and steering via ADAS. However, the driver is still considered to have primary control, and must therefore observe obstacles, assess road conditions and respond as needed.

What is Advanced Driver – Assistance Systems (ADAS)?

What is Advanced Driver – Assistance Systems (ADAS)?

Advanced Driver – Assistance Systems (ADAS) is an active safety system that helps prevent, avoid and reduce risks on the road. The system makes driving safer by reducing the risk of accidents and improving driver confidence.

To improve the system’s overall performance, ADAS will integrate with the following electronics:

  • Microcontroller Units (MCU)
  • Electronic Control Units (ECU)
  • Power Semiconductor Devices

ADAS mostly works to reduce human error, which is the major cause of road accidents. It also provides and improves driving confidence and safety through the various systems alarms. The system can also automatically takeover control to prevent an accident when a high risk event occurs.

Advanced Driver – Assistance Systems (ADAS) combines advanced safety features for vehicles and drivers in 3 main systems: LAS (Lane Assist System), FDA (Front Drive Assist) and RDA (Rear Drive Assist). The feature comprises a total of 11 integrated sub-systems to help drivers feel safer and more confident on every journey.

LAS

Lane Assist System

LDW (Lane Departure Warning)
LDP (Lane Departure Prevention)
LKA (Lane Keep Assist)

The system keeps the car safely in the centre of the lane. Using a front-mounted camera attached to the base of the rearview mirror, the system will survey its surroundings and road conditions to the front of the vehicle. When the conditions meet certain criteria, the system will alert the driver or even help control the vehicle. The system increases road safety and driver confidence using the follow 3 sub-systems.

LDW (Lane Departure Warning)
LDP (Lane Departure Prevention)
LKA (Lane Keep Assist)

LDW (Lane Departure Warning)

Using the front camera, LDW detects clearly visible lane markers and will work when the speed of the car is greater than 60 km/h If the car’s wheels are nearing or already overlapping a lane marker, the system will alert the driver with an audio alarm, a dashboard warning light displaying the side overlapping the line and a vibration on the steering wheel in order to warn the driver to input steering corrections.

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LDP (Lane Departure Prevention)

LDP detects clearly visible lane markers and will work when the speed of the car is greater than 60 km/h If the car’s wheels are nearing or already overlapping a lane marker, the system will automatically help control the vehicle by adjusting the steering wheel angle while also alerting the driver in order to get the vehicle back in the lane.

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LKA (Lane Keep Assist)

Using the front camera, LKA detects clearly visible left and right lane markers and will automatically adjust the steering wheel angle in order to keep the vehicle in the middle of the lane. LKA will operate when the speed of the car is greater than 60 km/h. In addition, if the system detects that the driver does not have continuous control of the steering wheel, the system will send an alarm and display warnings on the instrument panel in order to remind the driver to keep hold the steering wheel.

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The system keeps the car safely in the centre of the lane. Using a front-mounted camera attached to the base of the rearview mirror, the system will survey its surroundings and road conditions to the front of the vehicle. When the conditions meet certain criteria, the system will alert the driver or even help control the vehicle. The system increases road safety and driver confidence using the follow 3 sub-systems.

FDA

Front Drive Assist

ACC (Adaptive Cruise Control)
TJA (Traffic Jam Assist)
FCW (Forward Collision Warning)
IHC (Intelligent High – Beam Control)

FDA is a system that primarily operates through the front sensor and will adjust settings and controls the should it detect worsening road and traffic conditions ahead. FDA is able to control the vehicle’s speed and increases driving comfort in heavy traffic and reduces the risk of colliding with the vehicle in front. The 4 sub-systems comprise the following.

ACC (Adaptive Cruise Control)

ACC helps control driving speeds and automatically adjust the speed to maintain proper distance from the vehicle in front. Cruise control can be set from 30 – 150 km/h with 3 distance settings to maintain separation from the vehicle in front. In the case where there is no vehicle, ACC will maintain the set speed. But when it encounters a slower vehicle, the system will also slow down to match the speed of the front car while maintaining a safe distance as set by the driver.

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TJA (Traffic Jam Assist)

To use TJA, the driver must first turn-on ACC (Adaptive Cruise Control), which can be done while the vehicle is moving, by pulling the Cruise Control lever towards the driver twice. Using the front camera, TJA detects clearly visible left and right lane markers to keep the vehicle in the lane while deploying radar to survey its surroundings to maintain an even separation from the car in front. When the traffic is moving slowly, TJA will automatically match the speed of the vehicle to the vehicle in front to facilitate ease of driving. However, for maximum safety, the driver must stay alert, in-control and observant of their surroundings while the system is deployed.

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FCW (Forward Collision Warning)

FCW will alert the driver when there is a risk of a collision with the front vehicle. FCW will operate when the vehicle speed is greater than 30 km/h and turn-on the front radar and camera to check the distance between the vehicle and the vehicle in front. If the distance is too close and there is a collision risk, FCW will send an alert while displaying a warning on the instrument panel to tell the driver to slow down or touch the brakes. FCW increases road safety by helping the driver avoid collisions and road accidents.

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IHC (Intelligent High – Beam Control)

IHC is a function that uses the front camera to detect light intensity on the surrounding road. The system will automatically turn on the high beam when there are no lights in the surroundings and no lights from other cars. When the system detects lights from cars in front, it will automatically dip the high beam to prevent disturbing other drivers sharing the road. IHC will turn-on the high beam again when there is no car in front to increase the driver's vision.

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ACC (Adaptive Cruise Control)
TJA (Traffic Jam Assist)
FCW (Forward Collision Warning)
IHC (Intelligent High – Beam Control)

ACC (Adaptive Cruise Control)

ACC helps control driving speeds and automatically adjust the speed to maintain proper distance from the vehicle in front. Cruise control can be set from 30 – 150 km/h with 3 distance settings to maintain separation from the vehicle in front. In the case where there is no vehicle, ACC will maintain the set speed. But when it encounters a slower vehicle, the system will also slow down to match the speed of the front car while maintaining a safe distance as set by the driver.

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TJA (Traffic Jam Assist)

To use TJA, the driver must first turn-on ACC (Adaptive Cruise Control), which can be done while the vehicle is moving, by pulling the Cruise Control lever towards the driver twice. Using the front camera, TJA detects clearly visible left and right lane markers to keep the vehicle in the lane while deploying radar to survey its surroundings to maintain an even separation from the car in front. When the traffic is moving slowly, TJA will automatically match the speed of the vehicle to the vehicle in front to facilitate ease of driving. However, for maximum safety, the driver must stay alert, in-control and observant of their surroundings while the system is deployed.

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FCW (Forward Collision Warning)

FCW will alert the driver when there is a risk of a collision with the front vehicle. FCW will operate when the vehicle speed is greater than 30 km/h and turn-on the front radar and camera to check the distance between the vehicle and the vehicle in front. If the distance is too close and there is a collision risk, FCW will send an alert while displaying a warning on the instrument panel to tell the driver to slow down or touch the brakes. FCW increases road safety by helping the driver avoid collisions and road accidents.

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IHC (Intelligent High – Beam Control)

IHC is a function that uses the front camera to detect light intensity on the surrounding road. The system will automatically turn on the high beam when there are no lights in the surroundings and no lights from other cars. When the system detects lights from cars in front, it will automatically dip the high beam to prevent disturbing other drivers sharing the road. IHC will turn-on the high beam again when there is no car in front to increase the driver's vision.

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RDA

Rear Drive Assist

LCA (Lane Change Assist)
BSD (Blind Spot Detection)
RCTA (Rear Cross Traffic Alert)
DOW (Door Open Warning)

Using sensors installed to the rear, RDA helps prevent blind spots. The system can detect surrounding traffic conditions to both the vehicle’s sides and rear to cover every blind spot. When it detects an object or obstacle, RDA will alert the driver with cabin warning lights and flashing lights on the side mirror in which an object was detected. The system conveniently increases driver awareness and reduces the chance of collisions and accidents. RDA comprises the following 4 sub-systems.

LCA (Lane Change Assist)
BSD (Blind Spot Detection)
RCTA (Rear Cross Traffic Alert)
DOW (Door Open Warning)

LCA (Lane Change Assist)

After activating the turn signal, LCA will detect approaching vehicles in the side lanes and will alert the driver in the form of flashing lights on the side of the approaching vehicle. LCA will operate at speeds of greater than 30 km/h

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BSD (Blind Spot Detection)

BSD will detect vehicles in the driver’s blind spot in the left and right side mirrors. If found BSD will signal a bright warning light to warn the driver to avoid a potential collision. BSD will operate at speeds of greater than 30 km/h

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RCTA (Rear Cross Traffic Alert)

While reversing, RCTA will detect cars approaching the left and right rear of the vehicle. If found RCTA will signal a warning light on the side of the approaching vehicle while displaying a warning symbol on the instrument panel to tell the driver to avoid a potential collision. RCTA will operate when the vehicle speed is less than 9 km/h

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DOW (Door Open Warning)

DOW will begin operating when the car is parked. The system will send a warning light to the driver if it detects another vehicle within the radius in order to avoid collisions with surrounding vehicles when opening the door.

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Using sensors installed to the rear, RDA helps prevent blind spots. The system can detect surrounding traffic conditions to both the vehicle’s sides and rear to cover every blind spot. When it detects an object or obstacle, RDA will alert the driver with cabin warning lights and flashing lights on the side mirror in which an object was detected. The system conveniently increases driver awareness and reduces the chance of collisions and accidents. RDA comprises the following 4 sub-systems.