12 Questions 70 Answers 0 Followers
Questions related from Zhenyu Zhao
A lot of deep learning algorithms (i.e. CNN, RNN, DBN, etc.) for bearing lifespan prediction have been reported. Each one has its respective pros and cons. But is there any technique that has been...
22 October 2021 2,372 2 View
The vibration sensor (e.g. accelerator) is commonly used to monitor the vibration signal of a bearing for condition monitoring and fault diagnosis. If there any Standard for bearing vibration...
22 October 2021 8,021 1 View
The vibration caused by a bearing is usually used as a key parameter to evaluate the health and operating conditions of the bearing. To achieve this purpose, a threshold value of vibration signal...
13 October 2021 6,752 6 View
A lot of time-frequency methods have been reported, such as STFT and wavelets, etc. Comprehensive comparisons among these methods are necessary to help us to select the most suitable one in our...
03 October 2021 2,321 5 View
For battery impedance measurement, except for measuring the voltage and current with respective sensors according to Ohm's Law, are there any other approaches?
29 September 2021 9,979 6 View
Up to date, what is the rated/maximum power of different electric vehicles on the market (if possible, can list some examples)? And how is the development trend in the future?
22 September 2021 6,751 4 View
Bearings are one of the critical components in rotary machines such as motors, wind turbines, helicopters, automobiles, and gearboxes. Most of these machine failures are caused by bearing faults....
06 September 2021 1,086 5 View
What will happen if a clamp-on current probe/transformer works always under saturated state? Except affecting the measurement results of current probe/transformer, is there any other negative...
24 February 2020 9,729 4 View
What are the pros and cons of existing induction motor inter-turn short-circuit fault diagnosis methods? i.e. motor current signature analysis (MCSA), flux monitoring, air-gap torque monitoring,...
05 September 2019 365 5 View
The fault diagnosis and condition monitoring of many electrical assets (e.g. induction machine, transformer, power converter, etc.) have critical importance for early diagnosis to prevent severe...
01 January 1970 8,605 4 View
Bearings are one of the key components in many industrial applications. Research on bearings has been going on for many years but has not stopped. What are the current and future research hotpots...
01 January 1970 8,551 3 View
01 January 1970 3,503 14 View
