Lightweight Threshing Rack under Multisource Excitation Based on Modal Optimization Method

Table 4

Equipment and quantity required for modal test.

Serial number	Equipment	Quantity	Parameter	Use
1	Hammer	1	Model: 086C03	Pulse excitation signal
2	3-way acceleration sensor	9	Model: 356A24	Pick-up data signal
			Output signal: analog type
			Material: metal
			Number of input channels: 36
3	Data collection system	1	Input method: ICP input	Data signal acquisition
			Sampling accuracy: 130 dB
4	Modal analysis software	1	Model: DHDAS	Analysis of modal parameters
5	Computer	1	—	Calculating modal parameters
6	Data line	—	—	Passing data