Laboratory

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  • actuator
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actuator

Classification：

Automotive Electronic Products

Summary

Actuator testing in automotive electronics is a critical process to validate the performance and rel

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Detailed Introduction

Actuator testing in automotive electronics is a critical process to validate the performance and reliability of mechanical devices that execute control signals. As the "actors" of electronic control systems (e.g., throttle actuators, brake caliper motors, seat adjustment motors), tests include: 1. Functional Verification: Inputting control signals to check if actuator movements match design logic (e.g., linearity between throttle position and signal voltage, brake actuator response speed); 2. Performance Testing: Evaluating output accuracy (position control error), load capacity (rated torque/thrust), and dynamic response (startup delay, operational smoothness); 3. Environmental Adaptability Testing: Simulating extreme temperatures (-40℃~85℃), vibration (high-frequency shaker tests), humidity (thermal-humidity cycles), and dusty/oily environments to verify component sealing, lubrication durability, and material aging resistance; 4. Durability and Fatigue Testing: Subjecting actuators to millions of cyclic operations (e.g., repeated seat adjustments, frequent throttle openings) to detect wear of mechanical parts (gears, bearings, brushes) and insulation life of motor windings; 5. Electromagnetic Compatibility (EMC) Testing: Assessing immunity to vehicle electromagnetic interference (conducted/radiated immunity) to prevent signal distortion or misoperation. Additionally, fault simulation tests (power interruption, coil short circuits) validate system fault tolerance, ensuring safe redundancy under abnormal conditions. This testing is crucial for the stable operation of powertrain control, braking systems, and comfort functions.
Actuator testing in automotive electronics is a critical process to validate the performance and reliability of mechanical devices that execute control signals. As the "actors" of electronic control systems (e.g., throttle actuators, brake caliper motors, seat adjustment motors), tests include: 1. Functional Verification: Inputting control signals to check if actuator movements match design logic (e.g., linearity between throttle position and signal voltage, brake actuator response speed); 2. Performance Testing: Evaluating output accuracy (position control error), load capacity (rated torque/thrust), and dynamic response (startup delay, operational smoothness); 3. Environmental Adaptability Testing: Simulating extreme temperatures (-40℃~85℃), vibration (high-frequency shaker tests), humidity (thermal-humidity cycles), and dusty/oily environments to verify component sealing, lubrication durability, and material aging resistance; 4. Durability and Fatigue Testing: Subjecting actuators to millions of cyclic operations (e.g., repeated seat adjustments, frequent throttle openings) to detect wear of mechanical parts (gears, bearings, brushes) and insulation life of motor windings; 5. Electromagnetic Compatibility (EMC) Testing: Assessing immunity to vehicle electromagnetic interference (conducted/radiated immunity) to prevent signal distortion or misoperation. Additionally, fault simulation tests (power interruption, coil short circuits) validate system fault tolerance, ensuring safe redundancy under abnormal conditions. This testing is crucial for the stable operation of powertrain control, braking systems, and comfort functions.

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