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Detection method for elevator balance coefficient [Invention]

The invention relates to a detection method for elevator balance coefficient, which calculates elevator balance coefficient K according to traction ratio of tractor, pulley radius, rated load of elevator, said output torque and gravity acceleration of detection location.The detection process of the invention is simple and the test speed is fast.

Sine-cosine Encoder Break Detection System [Utility Model]

The patented real-time detection of C+, C-, D+, D-signals of sine-cosine encoder is realized by hardware circuit and software algorithm. The patented method is simple and reliable.

Absolute Encoder Signal Processing Device [Utility Model]

This patent realizes information decoding of absolute value encoder and position correction of special algorithm by special circuit.The patent is simple to implement, low cost and high reliability.