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Diagnosis of Internal Combustion Engine Performance


DEPARTMENT : Department of Physics

Diagnosis of Internal Combustion Engine Performance
PRODUCER : Prof. Jeffrey Cheung
LENGTH : 4 min.
ACCESS : Open to all
SUMMARY : Professor Jeffrey Cheung has developed a program that provides a quick, simple and low-cost method to evaluate the performance and condition of an internal combustion engine and determine whether maintenance is needed.

The evaluation is easy to perform, which is just placing a small measuring device embedded with accelerometer (such as a smartphone) at the “sweet spot” of the vehicle where allows the vibration measurement without excessive noise. The three-axis accelerometer of the device will measure the vibration magnitude of the vehicle and collect data. (It's like feeling the "pulse" of a vehicle)

The collected data will be sent to the developed program for analysis and compared with the data in the database. The engine's status and performance can be evaluated.  

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