چكيده به لاتين
The geometric dimensions of a MEMS gyroscope optimized for use in transverse vehicle dynamics systems. The investigated gyroscope is a dual-mass structure with electrostaticaly mechanism that utilizes pinion and studs for thrust and measurement, respectively. It was also assumed that a gyroscope would be used in the conventional membrane process with a line width of 1 micrometer. In this research, from the design point of view, the geometric optimization of the selected gyroscope is consistent with the manufacturing technology that can be used in automobile systems. In this regard, several separate models of gyroscope and car systems were made. In the first model, which is called the physical model, the gyroscope is estimated from the geometric dimensions of the virtual gyroscope samples, oscillatory identifiers (mass, frequency and damping). In the following, with the help of the Frequency Domain dynamic response relationships, eight glycoscope functionalities (scale factor, linearity criterion, upper bound, dynamic range, bias error, resolution, and eventually phase and range of dynamic error) are estimated. Then, using these functional identifiers, the goal function is optimized. In another step, the sensitivity analysis of the weighting coefficients of the target function is provided. Optimization for the objective function with the weighted coefficients results in finding optimal gyroscopes based on the functional identifier. With the help of the second model of the gyroscope, the optimal gyroscope (optimal candidates) is installed in the vehicle's road-holding maneuvering simulation (DLC) on a virtual vehicle model and measures the angular velocity of the vehicle. At the end of the root mean of second power (RMS), the error rate of yo reads every gyroscope in the test of overtaking, the final criterion is the optimal gyro weaving. In the meantime, simulations, modeling and joint programming have been made to ensure that the car's uncertainties are true. Including the setting of the steering angle for driving the car in an override maneuver in accordance with ISO 1-3888 and the estimation of self-design identifiers in the two degrees of freedom with the help of the maneuver output in the CarSim software. Another clear indication in this study is the synchronization of the gyroscope's mechanism of motivation and measurement with the optimized mechanism by the X-Fab laboratory, because this synchronization has become more and more applicable to the research result in the industry.
