本文给出一种基于STM32F03控制电路的替代设计方案.该控制电路可用于实现对具有RS422通信方式的设备进行控制的功能,该电路具有3路RS422通信接口,可同时控制3个不同的设备进行工作.方案采用ARM芯片HWD32F103替代STM32F103,采用接口芯片SM3490替代ADM2582.文章阐述了控制电路的原理及软件控制流程,总结了电路调试过程中出现的问题及解决措施.该电路经过工程验证,具有可靠性高,功能性能良好的特点.该电路选用的器件均为国内研发生产,是基于STM32F103控制电路进行自主研发设计时一个不错的选择方案.
自动调平控制技术是为了解决动基座上的搜跟系统360°全域周扫过程中,俯仰与大地水平角度实时保持的问题.该系统是在速率闭环稳定的基础上,采用倾角传感器构成空间位置环,形成位置与速率双闭环,实现系统瞄准线的自动调平.针对平台控制的关键?自动调平技术,着重分析了倾角传感器与平台万向架角度构成的空间位置环,理论推导出搜跟系统的瞄准线与水平面夹角的关系,并进行系统控制分析和仿真.最终仿真分析结果与实际测试结果基本吻合,满足系统的指标要求.
In orderto meet the needs of photoelectric tracking system dynamic performance testing, to solve the problems existing in the process of test,put forward will PowerPC processor for dynamic characteristics of integrated test equipment to achieve moving target data efficiently and accurately capture and display.The introduction of the dynamic characteristics of PowerPC processor integrated test equipment data acquisition and display system has the characteristics of strong data processing ability, strong expansibility,stable and reliable target motion state, and has broad application prospects.
Aiming at the problem of mechanical resonance in the mirror for 1/2 mechanical transmission process,put forward the mechanical resonant reduced or eliminated mechanical resonant method.Through the analysis of the reflector stable system control structure model,and deduced the transfer function and dynamic equation,combining the actual structure the reflector,analyzes mechanical resonant emergence mechanism,discussion on the resonance frequency and mechanical structure mirror stable servo system in a relationship,and taking certain type tank length mirror as example progress validate analysis.The results show that the system doesn't appear instability of the structure design of the phenomenon,should take reasonable design and the beginning of more advanced simulation,to suppress or eliminate mechanical resonant.
In Order to eliminate gear transmission shortcomings,proposes the use of position control to realize the extinction white light aiming channel as spin.Based on the systematic like tilt index requirement,design digital control circuits,take PID control algorithm by software design,and the application experiment.The experimental results show that the design meets design requirements,with high precision and reliability of servo effect is small,etc.
In order to overcome the flaw of hard control of manipulator with the simple linear output characteristic curve,it takes the method of modifying manipulator's output characteristic curve,which adopts the technique of memory function transformation.First introduces manipulator's output modifying scheme,then give a circuit design schematic of nonlinear correcting circuit.The application result shows that the technical index could be med and the design mission could be completed.