| 1. | A special type of unsteady motions which bear a resemblance to plane wave solutions of the linear theory of elasticity can be constructed . 一种特殊类型的、和线性弹性理论中的平面波解有点相象的非稳态运动可以建立起来。 |
| 2. | The steady motion and the transient motion of the controlled muhibody system with delay and without delay are computed with examples 实例计算延迟和无延迟受控多体系统的稳态运动和瞬态运动。 |
| 3. | The system controller is synthesized by the ideal formulation of the state , output , control variables on the basic motion and the pid regulator 由准稳态运动的期望状态、输出、控制和调节器组成系统控制器。 |
| 4. | The flight control laws for the large amplitude maneuvering of the fighter are designed respectively for four kind of flight quasi - steady state motions 分别以四种准稳态运动为基准,设计了大幅值机动运动控制律。 |
| 5. | The conception of the flight quasi - steady state motion and the design method based on it are proposed in the characteristic of the large amplitude maneuvering of the fighter 摘要根据战斗机大幅值机动运动特点,提出了准稳态运动概念及其设计方法。 |
| 6. | The nonlinear motion of the flight quasi - steady state is as a basic motion to be analyzed and simplified to formula the ideal state , output and control variables , and to produce its linear model 以准稳态运动为基准,对其运动非线性分析,并适当简化,生成准稳态运动的期望状态、输出、控制和小扰动线性化模型。 |
| 7. | Using 2 - d strip method and the high - speed slender body theory , the heaving motion responses in regular wave of ship with combined appendage are computed . the results are compared with the results of naked ship hull , and the anti - pitching effect of combined appendage is validated . a method of optimizing the seakeeping is provided from the aspect of the ship hull 因此本文针对船舶耐波性能的优化,提出了一种减纵摇组合附体,将半潜艏和艏鳍安装在常规单体船上,初步阐述了半潜艏和艏鳍的水动力作用机理,并按照二维切片法和高速细长体理论计算了加装组合附体后,船舶在规则波中的垂向稳态运动响应,与裸船体的结果进行了比较,验证组合附体的减摇效果,从船体本身出发提供了?种优化船舶耐波性的方法; 3 |
| 8. | On the basis of this analysis the radiation and diffraction forces of the ship are calculated using these three methods and compared . at the same time vertical ship motions in regular wave are solved by these three methods . the results are compared to test each method ' s availability and suitability , thus the theoretical basis of optimize design of sea - keeping performance is provided 分别介绍了二维切片法、高速细长体理论和三维理论的基本原理,分析了三种不同方法各自的适用性,在此基础上分别计算了船舶的辐射力和绕射力,比较了这三种方法的计算结果,为不同营运目的的船舶耐波性计算提供陕速有效而实用的计算方法;同时应用三种方法计算了船舶在规则波中的垂向稳态运动响应,比较三种方法的计算结果,测试各种方法的有效性和适用性,为船舶耐波性的优化设计提供原始的理论基础; 2 |