The Internet of Vehicles is emerging in China. It is estimated that by 2015, China's automobile production plan will reach 25 million vehicles, and the penetration rate of vehicle networking applications and services will approach the critical point of 10%. The market scale is expected to exceed 150 billion yuan. The Internet of Vehicles will become a mobile Internet market. The value of the super blue sea. The development of the Internet of Vehicles is based on the vehicle-mounted intelligent terminal. The four application areas of the vehicle-mounted intelligent terminal are safety, assisted driving, vehicle service and information and entertainment, and the functional requirements are increasingly numerous. The Internet of Vehicles integrates multiple application technologies. In the Internet of Vehicles, a car is an always-on network node that collects information about the state of the car and continuously and dynamically interacts with the network. This means that the car must be equipped with sensors (speed sensors, acceleration sensors), in-vehicle networking devices (ie CAN bus controllers), diagnostic devices. Of course, there must also be positioning devices (ie, multiple satellite positioning standard devices to improve positioning accuracy) and communication devices (for connecting in-vehicle user terminals: Bluetooth and Wi-Fi wireless connections and common fixed line connections; for Internet/cloud communication) : ie 3G/4G, 802.11p module). Finally, there must also be a car interface (ie touch screen).
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Intelligent transportation system is a world-famous application in the field of modern information technology transportation. It involves many aspects, including at least: information collection, information service, vehicle driving recorder, vehicle navigation, vehicle reversing monitoring, vehicle RFID IC reading. Cards and safe assisted driving. In today's recognized technical solutions, the technologies involved in the above functions are developed on separate platforms that are independent of each other. For example, in the aspect of road information collection, real-time video and road vehicle sensor technology are adopted, and information service adopts roadside variable information card and professional traffic broadcasting scheme. Among these technical solutions, road navigation is inseparable from the installation of on-board equipment on vehicles, and information collection and other functions are inseparable from the construction of large-scale road systems.
People's technical concept, it is almost impossible to complete these functions by the vehicle terminal. But now, the latest in-vehicle intelligent terminal developed by Shanghai Chenhan Electronics is a high-industrial-grade vehicle terminal designed for the mission-critical tasks in the harsh environment. Built-in car 4-channel audio and video hard disk recorder, car GPS navigator, car Radio, car amplifier, bus station, car MP3/MP4, car reversing monitoring, car Bluetooth hands-free phone, car RFID IC card reader, car driving recorder, car 3G wireless Internet, car WIFI hotspot, dual screen display Such functions are widely used in school buses, urban public transportation, taxis, special dangerous goods transport vehicles, long-distance buses, port container transport vehicles and other commercial vehicles to achieve vehicle operation scheduling and monitoring and management functions. The main functions of the intelligent transportation system can be completed at a low cost level, covering the existing application types, and also greatly expanding the vehicle terminal application.
In-vehicle network (a CAN controller that collects vehicle status information and directs peripherals to perform diagnostics); sensors (accelerometers, gyroscopes, tire pressure monitoring systems – uploads as accurate data as possible to the cloud); onboard data interfaces (ie Bluetooth and Wifi, allowing mobile phones and smart terminals to access the Internet, or displaying the human-machine interface or application on the personal terminal on the car display screen; audio and video processing (for voice recognition and voice-activated interactive interface for active image-based security) Information); positioning device (supports multiple positioning standards such as GPS, GNSS, Galileo, Beidou, and multi-satellite systems to improve the positioning accuracy of safety systems); communication devices for automobiles and automobiles/infrastructure (3G/4G mobile phones, Wi-Fi) 802.11p, RFID (RFID), these application integration is the basis of the Internet of Vehicles, so the vehicle intelligent terminal must implement these functions. Of course, with the advent of these technologies (many of which are RF technologies) and the increase in chip functionality and process complexity, power consumption and electromagnetic compatibility are no small challenges. Another problem is that even though the aforementioned functions are in the consumer electronics category, reliability and quality are automotive-level requirements.
Shanghai Chenhan sees the car as an intelligent mobile network node concept, and will continue to develop improved technologies to enable customers and auto manufacturers to achieve flexibility, openness (in terms of vehicle safety and control), scalable platforms, and application convergence. To provide a car networking experience.
Turn our car into a "tablet with wheels" while maintaining automotive-grade quality, safety and reliability.
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