High and low temperature self-adaptive drive-by-wire chassis control system of unmanned vehicle

Through the power module, environmental perception adaptive control module and multimodal thermal management technology, the problem of improving the failure rate and decreasing control accuracy of unmanned vehicles in high and low temperature environments is solved, stable operation and efficient fault diagnosis are achieved at extreme temperatures, and the service life of unmanned vehicles is extended.

CN120469206APending Publication Date: 2025-08-12GUIZHOU AEROSPACE TIANMA ELECTRICAL TECH
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Patent Information

Application Number
CN202510375694.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2025-08-12

AI Technical Summary

Technical Problem

Unmanned vehicles have caused problems such as mechanical components deformation, electronic component performance drift, and battery capacity drop in high and low temperature environments to increase failure rate, expand sensor positioning errors, and decrease control accuracy. The existing technology has failed to provide an effective adaptive control solution.

Method used

The power module, environmental perception adaptive control module, sensor data acquisition and preprocessing module and multimodal thermal management module are adopted, combined with LSTM neural network, Kalman filter and multimodal thermal management technology, dynamically adjust the motor output torque and compensate battery capacity to realize redundant control and thermal management to ensure the stable operation of the system at extreme temperatures.

Benefits of technology

It enhances the environmental adaptability of unmanned vehicles in a wide temperature range of -40℃ to 85℃, extends the life of key components, improves control accuracy and fault diagnosis capabilities, and control accuracy deviation at extreme temperatures is ≤ 10% of the normal temperature environment.

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Abstract

The invention discloses a drive-by-wire chassis control system of a high and low temperature self-adaptive unmanned vehicle. The drive-by-wire chassis control system comprises a power module, an environment perception self-adaptive control module, a sensor data acquisition and preprocessing module and a multi-mode thermal management module, the sensor data acquisition and preprocessing module is connected with the sensor assembly and the environment perception self-adaptive control module, receives a signal of the sensor assembly, transmits the signal to the environment perception self-adaptive control module, and receives feedback data of the environment perception self-adaptive control module to control the power module; the environment perception adaptive control module realizes environment perception around the unmanned vehicle through a laser radar, an ultrasonic sensor, image equipment and a directional antenna; the environment adaptability of the unmanned vehicle is enhanced, the service life of the unmanned vehicle is prolonged, and the service life of key components of the unmanned vehicle is prolonged to 80% or above of the normal-temperature environment; the performance guarantee is improved, and the control precision deviation at extreme temperature is less than or equal to 10% of normal temperature environment.
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