source:truck tracking webfleet solutions release time:2023-02-08 Hits: Popular:realtime gps tracker online
From the perspective of mainstream models on the current market, the main anti -theft methods include engine anti -theft lock system (IMMO), remote control door locks (RKE), keyless access control (PKE), two -way smart key, infrared detection, airflow detection, and GPS satellite positioning, etc. Among them, IMMO and GPS are most widely used.
The engine anti -theft lock system is developed on the basis of universal VATS. The idea of VATS is inherited on the principle of anti -theft, that is, the password of the chip in the key is matched with the password in the starting electric door to control the starting motor to achieve the start of the engine to achieve the reach The purpose of anti -theft. "IMMO controls the engine mainly through the engine control unit ECU. The entire scheme includes low -frequency transceiver, MCU, regulator, and communication interface chip (such as CAN, LIN transceiver)." Zhang Jianchen pointed out, "Under the limit of size, so many components need to be implemented with a special circuit board. To this end, we launch a new generation of single -chip solutions Abic2, including Lin transceiver, regulator and numbers. Logic units realize the remote ECU communication of a single chip, and only three lines (POWER, GND, and Lin) can achieve the IMMO function. "
The application of remote control door locks (RKE) technology in the automotive field is the most common. At present, most models from high -end to low -end in the market have this function. The principle of this technology is to control the door through the body control module BCM, and you only need to press the button on the key to close or open the door. With the development of technology, some mid -to -high -end models such as Cadillac STS, Ford Mondeo, and Peugeot 307 integrate this function with the engine anti -theft lock system. Zhang Jianchen said that in order to save the cost and space of the key, NXP took the lead in launching a single -chip solution that integrates IMMO and RKE. ) The verified anti -theft security function and the convenience of remote control door locks, "said.
The keyless access control system (PKE) is developed on the basis of RKE. As a new generation of anti -theft technology, it is gradually developing and growing. At present, it has gradually entered the mid -range car market from the high -end car market. PKE, such as Ford Mondi, Nissan, and new Mazda and other medium -sized models have also adopted this technology. Zhang Jianchen explained that PKE is not a traditional key, but a smart key, similar to a smart card. When the driver steps into the specified range, the system opens the door automatically by identifying a legal authorized driver. After getting in the car, the driver only needs to press a button to start the ignition switch. "As the first semiconductor manufacturer to mass -produced PKE solutions, NXP can currently provide a complete solution. The mainstream chip PCF7952 has the characteristics of high integration, low power consumption, and integrates all the functions of IMMO, RKE and PKE," he introduced road.
Two -way smart key is a more intelligent anti -theft technology that achieves two -way communication function by increasing the RF module. However, due to the high cost, large -scale applications in the market remain time. Safety is greatly enhanced. The traditional one -way key is facing the danger of being intercepted or attacked when transmitting signals to the car. When using a two -way solution, automobile manufacturers can use various encrypted safety transport algorithms to encrypt the key and the transmission data between the automotive room.
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