MEMS design optimizing method
An optimization method and a technology for optimizing variables, applied in computing, special data processing applications, instruments, etc., can solve problems such as inability to apply multiple optimization algorithms and long optimization process time
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Embodiment 1
[0046] A design optimization method for a MEMS micro-gyroscope, comprising the following steps:
[0047] 1. Given the MEMS device structure, determine its performance index y to be investigated m (m=1, 2, ...M) and optimization variable x i (i=1, 2, . . . n). In this embodiment, the MEMS micro-gyroscope is used as the design optimization object. Schematic diagram of the structure of the MEMS micro-gyroscope, see figure 2 . The performance index to be investigated is the resonant frequency fx of the drive mode and the resonant frequency fy of the detection mode. The optimization variables are thickness t, beam width w, beam 1 length l 1 , beam 2 length l 2 , beam 3 length l 3 . For a diagram of optimization variables, see image 3 . Optimize variable value range see Figure 4 .
[0048] 2. Based on the cell library, use the basic cell model to construct the system model of the MEMS device. This embodiment is based on the ARCHITECT unit library, using the basic uni...
Embodiment 2
[0064] A design optimization method for a MEMS microresonator, comprising the following steps:
[0065] 1. Given the MEMS device structure, determine its performance index y to be investigated m (m=1, 2, ...M) and optimization variable x i (i=1, 2, . . . n). In this embodiment, the MEMS micro-resonator is used as the design optimization object. Schematic diagram of the structure of the MEMS microresonator see Figure 10 . The performance index to be investigated is to make the resonant frequency fy in the y direction. The optimization variables are horizontal beam length lb, horizontal beam width wb, vertical beam length lt, vertical beam width wt, mass length lsy connected to the electrostatic comb, mass width wsy connected to the electrostatic comb, and middle mass width wsa . For a diagram of optimization variables, see Figure 11 . Optimize variable value range see Figure 12 .
[0066] 2. Based on the cell library, use the basic cell model to construct the syste...
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