The auto industry is undergoing earth-shaking changes, in addition to electric cars which are revolutionizing the power of cars, the Internet of Vehicle (IoV), which enables cars to access the Internet, is also a revolutionary change in how cars operate. This article introduces you to the concepts and related solutions for IoV applications.
Add Internet Access Capability to Automobiles Collect and Manage Vehicle Information
IoV refers to the technology of mobile internet of things of vehicles, which is the application of the internet of things in the traffic field. Through the mobile network wireless communication technology, the vehicle internal information is connected in series. With the technology of satellite positioning, sensor, electronic tag and wireless network communication data processing etc., to extract and effectively utilize the static and dynamic information of all vehicles, pedestrians and road environments, and integrate the data into the back-end platform for intelligent management and service. Its application service can not only provide the relevant information of the driver's car, but also be widely used in traffic safety, traffic service, city management, logistics transportation, intelligent charging and so on.
The IoV system mainly includes four parts, a host computer, a Vehicle-borne telematics BOX (T-BOX for short), a mobile phone APP and a back-end system. The host computer is mainly used for audio-visual entertainment and vehicle information display. The vehicle-borne T-BOX is mainly used for communicating with the back-end system / mobile phone APP to realize the display and control of the vehicle information on the mobile phone APP.
If a user sends the control command through the mobile phone terminal APP, the back-end system of the Telemmatics Service Provider (TSP) sends a monitoring request to the vehicle-borne T-BOX, and after the vehicle acquires the control command, the control message will be sent through the CAN bus to realize the control of the vehicle. Finally, the operation result is fed back to the mobile phone APP of the user, such as remote start of the vehicle, turn on the air conditioner, adjustment of the seat to the proper position, etc.
In addition, that T-BOX can also realize the follow functions: Provide vehicle condition report, driving report, fuel consumption statistics, fault warning, violation inquiry, position track, drive behavior, security & theft prevention, reservation service, remote vehicle searching, using a mobile phone to control the car doors, windows, lights, locks, horns, twin flashing, folding mirrors, sunroof, monitoring central-control warnings and airbag status, etc.
Arrow ESC (Engineering Solutions Center) has launched a telematics solution for IoV applications. This T-BOX solution is based on the Cypress S6J342AFTA platform, providing superior processing capabilities for data collection and management. The functional modules of the solution also include vehicle motion sensors (accelerometers, gyroscopes), a WIFI + BT module providing wifi hotspots, monitoring of vehicle position in conjunction with GPS, and a 4G module for communicating with the cloud for remote monitoring, the user can read data and control the vehicle through the cloud by a mobile device. It also has a backup battery may provide power when the main power of the vehicle is suddenly cut off.
The Arrow ESC T-BOX solution adopts S6J342AFTA microcontroller based on an ARM® Cortex® -R5F, having up to 1MB flash memory and 128KB RAM with backup RAM. With the access speed of 80MHz internal flash memory, the flash memory can be reserved for up to 20 years, with up to 6 channels of CAN FD and 14 channels of multi-function serial port. It supports 64-channel 12-bit A/D converter with conversion rate of 1 Msps, supports low power consumption and low standby current in partial wake-up mode. ASIL-B supports ISO26262 specification with operating temperature up to 125 ℃.
The LTE mobile communication module of the Arrow ESC T-BOX solution adopts the vehicle level 4G all-network communication module A70 of Neoway Company, The A70 is an automotive chipset based on Qualcomm MDM9628, supports OpenLinux platform of powerful computing capacity and is equipped with automotive-level RF PA, RF switches, memory, etc. It can provide abundant application storage space and running memory and integrated development tools interface for client, support FOTA air upgrade and antenna detection application, and provide encryption / decryption API interface.
A70 conforms to IATF 16949 standard, and is designed in accordance with the requirement of high quality and high reliability. It can provide customers with long life cycle and warranty support, and provide close technical support and a certain degree of customized service. It is developed by APQP program with strict high quality and strong security features, with AEC-Q100 three-level capability, long service life. It supports GSM / GPRS / CMDA; EVDO / HSPA + TD-SCDMA; LTE FDD / LTE TDD and other networks, and supports GPS / GLONASS / BEIDOU satellite positioning. The A70 adopts LGA packaging and is certified by ISO16750, providing abundant API interface and secondary development function. The performance of the A70 is stable and reliable, and it can work stably in the harsh high and low temperature, vibration and electromagnetic environment of the vehicle.
The WIFI and BT modules of the Arrow ESC T-BOX solution adopt the IVT I84, its system integrates the single-stream IEEE802.11ac mode, and supports WLAN operation at a speed of up to 433.3Mbps. It supports Bluetooth 4.1 and 3.0 + EDR as well as IEEE 802.11a / b / g / n / ac, and is certified by Bluetooth system and WLAN. Also supports Android / Win CE / Linux operating system.
In aspect of sensor, it adopts an ADXRS810 angular rate sensor (gyroscope), which has high vibration suppression capability in a wide frequency range, can provide 2000 g of electric shock impact capability, has SPI digital output, supports 16-bit data word, as well as continuous self-test and fail-safe functions. In addition, it is also equipped with ADXL312 three-axis accelerometer, which has 13-bit high-resolution measurement capability, the highest resolution reaches up to+ / - 12g.
The Arrow ESC T - BOX solution is an ideal choice for the clients that interested in the development of IoV applications. For more detailed information, please contact Arrow ESC.