| 1. | Excavation and supporting technology in rise roadway with large - angle 大倾角上山巷道掘进支护技术 |
| 2. | Application of the large - angle heavy belt - type conveyor in kangbao mine 大倾角强力带式输送机在康保矿的应用 |
| 3. | Mining experiment of large - angle working face with light weight hydraulic powered caving supports 大倾角煤层轻型支架放顶煤开采试验 |
| 4. | So we using large - angle experiment system detect light scattering in side direction , the purpose is to study the problem of sub - micron particle size measurement 为此在原有工作的基础上结合大角度侧向探测系统来研究亚微米级颗粒粒度测量的问题。 |
| 5. | In underground engineering , the cavity axis should be designed to intersect fractures with large - angle ( 90 ) as it traverses fault and joints 摘要在地下工程中,当洞室穿越断层、节理等破碎带时,应尽可能使洞轴线走向与破裂面的走向呈大角度相交( 90 ) 。 |
| 6. | In the attitude determination experiment , star sensor hardware is introduced into the control loop to correct the gyro bias . in the attitude control experiment , firstly using reaction thrusters to perform large - angle slew and then 姿态确定实验中引入星敏感器实物到控制回路中对陀螺数学模型中的漂移进行修正;姿态控制实验中先进行喷气大角度控制后用飞轮进行稳定控制。 |
| 7. | Servo system adopts linear and non - linear system . namely servo system is non - linear system under the condition of large - angle maladjustment , and linear system under the condition of small - angle maladjustment , thereby guaranteeing the system ' s stability 即在大角度失调的情况下,伺服系统是一个非线性系统;而在小角度情况下为一个线性系统,保证伺服系统的稳定性。 |
| 8. | The small astronomical satellite has demands on both pointing accuracy and attitude maneuverability , so this thesis modeled the attitude control subsystem based on reaction wheels . under the fine precision pointing mode , a pd control law and a variable structure ( vs ) control law were studied respectively , and the simulation validated that vs control is more effective under fine precision pointing mode . furthermore , the vs controller for rapid large - angle maneuver was also designed 2 ) svom卫星同时对指向精度和姿态机动性有着很高的要求,因此本文建立了基于反作用飞轮的svom卫星姿态控制系统模型,在高精度惯性定向三轴稳定模式下分别设计了pd控制律和变结构控制律,通过仿真验证了变结构控制对于svom卫星的有效性,并基于变结构控制研究了svom卫星快速大角度机动的方法。 |