Method and early warning device for rollover-proof dynamic detection for truck at curves

Abstract

The invention relates to a method and an early warning device for rollover-proof dynamic detection for a truck at curves. The method comprises the following steps: 1) setting the early warning device for rollover-proof dynamic detection for the truck at curves, wherein the early warning device comprises a steering wheel corner measuring device, a heading angle speed measuring device, an inclination measuring device and an electronic control unit comprising a singlechip, a mass center height dynamic detection module and a rollover-proof early warning module are preset in the singlechip, and a rollover warning range is preset in the rollover-proof early warning module; 2) acquiring a steering wheel corner signal, a heading angle speed signal of the truck along the vertical direction, a side inclination signal of a truck carriage, a side inclination signal of a truck rear axle and a longitudinal speed signal of the truck; 3) calculating the side acceleration and mass center height of the truck by the mass center height dynamic detection module; 4) calculating a rollover acceleration threshold value according to the mass center height by the rollover-proof early warning module; 5) comparing the difference of the side acceleration and the rollover acceleration threshold value of the truck and the preset rollover warning range and sending out corresponding warning instructions by the rollover-proof early warning module; and 6) after the rollover-proof early warning module finishes warning, returning to the step 2). The method and the early warning device have high reliability and wide application range.

Description

technical field [0001] The invention relates to a truck safety monitoring method and device, in particular to a truck curve anti-rollover dynamic detection method and an early warning device. Background technique [0002] When the truck is transporting goods, the height of its center of mass often changes due to the different types and weights of the goods loaded. If the height of the center of mass is high and the vehicle speed is fast, the truck is prone to rollover accidents when driving on a curve, causing heavy casualties and property losses. Therefore, domestic and foreign are actively researching on the operation safety and monitoring technology of trucks, such as the intelligent vehicle speed system, which realizes automatic control of vehicle speed according to road conditions and vehicle performance parameters, so that the vehicle can safely pass through curves; another example Based on vehicle-road coordination safety control technology, through vehicle-road comm...

AI Technical Summary

Problems solved by technology

Therefore, for the current detection technology of the height of the center of mass of the truck, there are mainly the following problems: First, because the type and weight of the goods loaded on the truck often change, the existing detection technology is not targeted, when the loaded goods change It is difficult to know the actual height of the center of mass of the truck; second, it is difficult to guarantee the real-time accuracy of the height of the center of mass of the truck detected by the existing technology, which leads to the inaccuracy of the vehicle safety control algorithm based on the height of the center of mass of the truck, so it cannot effectively protect the truck. Operate safely on bends

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