Li Qingfa
8 Papers
36 Citations
Li Qingfa is an academic researcher. The author has contributed to research in topics: Elevator & Control unit. The author has an hindex of 3, co-authored 8 publications.
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Papers
Patent
Elevator self-diagnosis and pre-diagnosis system and method based on time-frequency transformation algorithm
Lin Suixian,He Zhichao,Nie Yibo,Li Qingfa,Huang Dihua +4 more
- 14 Dec 2016
TL;DR: In this article, an elevator selfdiagnosis and pre-diagnosis system and a method based on a time-frequency transformation algorithm is presented, which consists of a sensor and an elevator control system.
13
Patent
System and method for cloud group control of elevator
Nie Yibo,Lin Suixian,Liu Huiliang,Huang Dihua,Li Qingfa +4 more
- 21 Oct 2015
TL;DR: In this paper, a system for cloud group control of an elevator is described, which comprises an elevator main control unit, a cloud group controller unit and a layer selecting terminal unit.
12
Patent
Sensor-based intelligent automatic regulating system and method
Lin Suixian,Nie Yibo,Li Qingfa,Kuang Genglian,He Zhichao +4 more
- 07 Sep 2016
TL;DR: In this paper, a sensor-based intelligent automatic regulating system and method is presented, which consists of an elevator control system and a sensor detection module, wherein the sensor detection modules comprises a six-axis gyroscope and a data processor which are arranged on an elevator car.
4
Patent
Elevator guide rail automatic checkout device and real time remote monitoring system
Zhang Haijun,Lin Suixian,Nie Yibo,Li Qingfa,Liu Huiliang +4 more
- 28 Oct 2015
TL;DR: In this article, the utility model discloses an elevator guide rail automatic checkout device and real time remote monitoring system, the device is including four three-axis gyroscope of group, data processing module, host computer and automatically controlled cabinet.
3
Patent
Automatic control system is called outward together to elevator of discernment floor position
Lin Suixian,Nie Yibo,Liu Huiliang,Li Qingfa,Chen Jianhao +4 more
- 16 Mar 2016
TL;DR: In this article, the utility model discloses an automatic control system is called together together to elevator of discernment floor position, the system includes voltage detection unit, calls main control unit, communication unit and elevator main control units together outward, voltage detector unit with call the main control Unit outward together and be connected for detect the mains voltage that current input elevator was called together outward.
2