This article mainly talks about the technology of automatic parking from several aspects. The first part is the development history of automatic parking, the second part is the internal structure of automatic parking and the scheme of some manufacturers. It is worth noting that in different countries, the willingness to implement automation in different scenarios is different. The only certainty is that everyone does not like parking, not to mention parking spaces and parking. This is the most urgent need in the entire car intelligent and automatic driving, and it is also an easy link.
â–³ Figure 1 The public acceptance of each automatic driving function, the demand for automatic parking is very high
The first part of the history of automatic parking development
The parking assist system can be divided into three major stages, namely passive, semi-autonomous parking assistance and fully automatic parking.
1) Passive : Remind the driver in front of the vehicle or obstacles behind the vehicle when parking. In the process of development, from the only early warning, the development of vehicles to the front of the forward movement detection also has early warning, adding visual images, adding auxiliary lines and warnings of surrounding blind areas. The most complicated combination is the combination of two systems, including reversing radar +360 Two functions of looking around.
â–³ Figure 2 passive parking system structure
The passive type mainly uses the ultrasonic sensor + buzzer + HMI icon to remind the driver of external obstacles and prevent the vehicle from colliding when reversing. It generally consists of the following functions:
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