Journal of Electrical Engineering and Automation

When electric actuators operate for a long time in high-temperature and high-pressure environments, they face multiple challenges such as material performance degradation, seal failure, and abnormal control systems, which lead to a significant decline in their reliability. By analyzing the impact mechanism of high-temperature and high-pressure conditions on key components of electric actuators, and combining experimental and simulation data, this paper reveals their failure modes and main causes. On this basis, targeted structural optimization and material improvement schemes are proposed, which significantly enhance the high-temperature and high-pressure resistance of the equipment. The research results provide a theoretical basis and technical support for the design improvement and safe operation of electric actuators, and have important engineering application value.

Electric actuator; High-temperature and high-pressure; Reliability analysis; Structural improvement; Material optimization