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ADAS Product Design

Advanced Driver Assistance System (ADAS) is a technology that collects environmental data inside and outside the vehicle at the first time by using various sensors installed on the vehicle, and processes static and dynamic objects identification, detection and tracking, so as to enable drivers to detect possible dangers in the fastest time, so as to attract attention, and active security technology to improve security. ADAS sensors mainly include camera, radar, laser and ultrasound, which can detect light, heat, pressure or other variables used to monitor the state of the vehicle, usually located in the front and rear bumpers, side-view mirrors, inside the driver's pole or on the windshield. Early ADAS technology mainly used passive alarm. When vehicles detected potential danger, they would alert drivers to pay attention to abnormal vehicle or road conditions. Active intervention is also common for the latest ADAS technology.




Consistence of ADAS Technology:


Advanced Driver Assistance System (ADAS) Basic Rear-view Camera

Rear-view camera system can help drivers find objects or people behind the car, so as to backtrack and parking smoothly under the condition of ensuring safety. The advanced system deploys a 1 megapixel high dynamic range (HDR) camera, and achieves cost-effective high-speed Ethernet connection and video compression through unshielded twisted pair. Other system requirements include appropriate physical interface and power supply. Intelligent rear-view camera can analyze video content locally to realize object and pedestrian detection. In addition, they support comprehensive local image processing and graphics overlay creation. They can measure object distances and trigger braking intervention. This function can help drivers backing up safely and make it convenient for them to park in the parking space. FIC solution has the characteristics of high integration and low power consumption, and supports the development of minimal size camera module. Smart rear-view camera and simple analog camera use the same interface, providing an attractive way to upgrade.

Advanced Driver Assistance System (ADAS) Forward-looking Camera

The camera system in the Advanced Driver Assistance System can analyze video content to provide lane departure warning (LDW), automatic lane maintenance assistance (LKA), high/low light control and traffic sign recognition (TSR). In the forward-looking black-and-white camera, the image sensor will provide the incoming video frames to the dual-core MCU equipped with DSP extension for image processing. Other system requirements include appropriate physical communication interface, power supply, optional DRAM and embedded flash memory that can reduce system cost.

ADAS Sensors





Advanced Auxiliary Driving System is based on different sensor technologies. 77 GHz radar sensor has been used in active cruise control system (ACC) of high-end luxury cars for many years. The sensor of the system can measure the speed of the vehicle in front and the interval between the two vehicles. At the same time, it can monitor the speed and interval of the vehicle itself. The airborne lidar sensor, which has been applied in the market of mid-class cars and economic cars, is an economical choice for remote sensors. Compared with radar, this sensor emits laser pulses and detects light reflected back from other objects. The interval between other objects can be calculated by the time of signal delay.

The working frequency of the short-range radar sensor is 244Hz, which is used to monitor the objects around the vehicle. This sensor is usually installed on the side of the vehicle. Its information is used for blind spot detection (BSD) and parallel line assistance (LCA) functions. For example, when objects appear in the blind spot or vehicles in adjacent lanes enter the blind spot, the driver will be warned. Next, its information can be combined with navigation system to better achieve vehicle guidance. The 24GHz radar sensor installed in front or rear of the vehicle can be used to prevent collision.

Video sensors can monitor image information, such as the size and shape of side objects. Video sensors can monitor other road users, traffic signals and signs. The information sent by the sensor can realize the function of lane departure warning and traffic number recognition.

Other infrastructures such as traffic signals, turnings or hillsides can be obtained through public maps. Ultrasound sensors are used in low-speed situations, such as parking, without requiring a high detection range. And internal data can be collected and provided to other vehicles. Vehicle-to-vehicle communication is used for data transmission to monitor vehicle flow density.

In addition, data obtained by different sensors can be fused with each other to increase system functions or enhance existing functions. For example, the fusion of radar, camera and airborne radar with navigation data is very important to improve vehicle performance. By combining the information from the camera and the map, the recognition rate of traffic signal recognition system can be improved. The detected traffic signals are then compared with eHorizon's data. eHorizon can support ADAS by providing specific information about road infrastructure based on navigation data. Calculating confidence levels can determine which traffic signals are displayed to drivers. Fusion of these sensors can also achieve a new function, namely Sensitive Guidance, which is a navigation system integrated with radar or camera systems. The output of the navigation system is adapted to traffic conditions, radar or camera sensors, such as monitoring vehicles in blind spots or other lanes.







FIC is the leading supplier of Automotive Electronic Design that enables Advanced Driver Assist Systems (ADAS), with major car maker partners including some of the world's Tops. Beyond ADAS, our technology and design capabilities have rapidly innovated to also support the products to be high stable and reliable.


Our dedicated professional team is continuing our 40 year tradition of leveraging the newest technology, including DFx, traceability and High Density Assembly,.. etc to create the hardware and software needed to help our ODM/OEM partners enable success. These partners choose FIC Group due to our track-record of innovation, but also because our systems have been validated to the highest level of quality.


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