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With the continuous improvement of living standards, people's demands on security also grow with each passing day. In order to achieve safety monitoring on important places or valuables, a new intelligence monitoring system was designed and implemented. It took the wireless sensor technology and the embedded control technology as the foundation. At the same… (More)
The old-fashioned elevator in our country in high-rise building house has certain proportion, is in urgent need of the reconstruction and upgrade. This subject from the elevator safety, elevator structure, automation technology application, and on the elevator reconstruction research, and put forward some ideas and reconstruction scheme.