ID |
原文 |
译文 |
52597 |
其基于自适应遗传算法(AGA)的自动调节机制,能根据电-机械转换器被控过程的输出特性,在线校正和整定控制器参数; |
Because of its automatic adjustment mechanism based on adaptive genetic algorithm(AGA), the controller parameters can be adjusted online according to the output characteristics of the controlled process of the electro-mechanical converter; |
52598 |
自抗扰位置控制器能有效抑制来自电-机械转换器内部电感、摩擦力,外部负载以及2D伺服阀工作的系统压力突变带来的各种干扰; |
active disturbance rejection control( ADRC) position controller can effectively suppress all kinds of disturbances caused by inductance, friction force, external load and system pressure mutation of 2 D servo valve; |
52599 |
同步跟踪控制实现了电-机械转换器转子在任意位置快速、精确的定位,成功解决分辨率和响应速度之间的矛盾。 |
the synchronous tracking control realizes the fast and accurate positioning of the rotor of the electro-mechanical converter at any position, and successfully solves the contradiction between resolution and response speed. |
52600 |
本文首先阐述电-机械转换器同步跟踪控制原理并建立了数学模型, |
Firstly, the principle of synchronous tracking control of electro-mechanical converter is described and the mathematical model is established. |
52601 |
然后介绍了AAP、自抗扰位置控制器设计及参数优化思路, |
Then, AAP, ADRC position controller design and parameter optimization are introduced. |
52602 |
最后为了检验方法的有效性并测试控制效果,用Matlab/Simulink对比例积分微分(PID)和AAP控制下的电-机械转换器仿真并对比分析,搭建了电-机械转换器和2D伺服阀测试平台。 |
Finally, in order to test the effectiveness of the method and test the control effect, the electro-mechanical converter controlled by proportion integration differentiation(PID) and AAP is simulated and analyzed by Matlab/Simulink, and the test platform of electro-mechanical converter and 2 D servo valve are built. |
52603 |
实验测得AAP控制的电-机械转换器上升时间为4.4 ms,对应-3 dB、-90°处的频宽约为240 Hz,控制的2D伺服阀上升时间为6.9 ms,对应-3 dB、-90°处的频宽约为105 Hz, |
The experimental results show that the rise time of the electro-mechanical converter controlled by AAP algorithm is 4. 4 ms and the bandwidth corresponding to-3 d B, -90 ° is 240 Hz, the rise time of 2 D servo valve controlled by AAP is 6. 9 ms and the bandwidth corresponding to-3 d B, -90 ° is 105 Hz. |
52604 |
相较于传统PID算法控制,具有更好的动态性能、频率特性及鲁棒性。 |
Compared with the traditional PID algorithm control, it has better dynamic performance, frequency characteristics and robustness. |
52605 |
针对航运企业所租赁的集装箱还箱问题,为减小还箱成本,基于租箱返还的船舶调度优化问题进行了研究。 |
Aiming at the problem of returning containers leased by shipping companies, to reduce the cost of return, a ship scheduling optimization problem based on lease container return is studied. |
52606 |
考虑了航运企业各港口的货量及航线网络分布等约束,重点兼顾了租箱还箱期限的限制, |
Considering the constraints of the shipping companies' cargo volumes in different ports and route network distribution, the restriction of the time limit for returning the lease containers is focused on. |