Due to the increasing pressure of ground transportation, there are more and more potential overloading problems in the transportation field. If the load of the vehicle is not controlled, the occurrence of an accident is almost inevitable. However, the traditional inspection methods for controlling vehicle load, especially for those transportation companies and drivers who comply with the rules, still have great shortcomings. Because even if there is no overweight, the truck driver still needs to stop and check to prove whether the load meets the standard. This routine inspection is not only annoying, but also wastes unnecessary time and money costs under the severe international freight competition.
By using modern Internet of Things technology, the risk of overloading a car can be reduced without intercepting and weighing a legally loaded car. CAT Traffic, a German company specializing in the production of special metrology equipment, has introduced a modern metrology technology for measuring vehicle overload.
This communication method needs to solve some technical obstacles of the mobile communication network . Therefore, CAT Traffic uses a lot of its own patents for knowledge and some mobile data communication experience of a company named mdex that provides M2M communication services. The company already has its own M2M communication platform in many high-security data centers.
The company built a special sensor on the road to measure the weight of the moving truck and reflect the weight and total weight of each axle on the car. This weighing device is connected to a video system, and if an overloaded car appears, it will send data to the monitoring station. It would be very useful if such a metering device was installed in front of the truck checkpoint.
On-going vehicle load data obtained at the load metering station can be optionally configured. For example, it can be used to screen out whether the three-axle vehicle load and axle load exceed the standard. It is also possible to judge whether the RV or caravan is overweight at the peak of people's vacation.
The staff of the competent government agency—the Federal Freight Office in Germany—can have information on the weight of vehicles in a particular parking lot, and even present this information as evidence in court when necessary.
"What we care about is how to effectively monitor the load and the size of the vehicle in commercial transportation on the road. Because the wireless network can reliably transmit the weight and image information, and has a high degree of flexibility, so that we can be targeted Fully supervise the vehicles, "said Ronnie Hauser, project manager of the German Federal Freight Office.
The communication between the previous weighing system and the monitoring station is mostly carried out through cables. At present, CAT Traffic is increasingly turning to establish communication with the weighing system for the staff of the regulatory agency through the mobile communication network UMTS / HSPA. Mobile communication devices have obvious advantages in terms of speed and flexibility.
The staff of the monitoring station can directly access the server of the upstream system through the mobile device. Usually a laptop with a UMTS stick or UMTS mobile router is used. The upstream system is equipped with a special router by CAT Traffic.
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