| 1. | The line speed stability of the designed digital controller keeps in good agreement with the requirements in local well logging , and the workload is also decreased
所设计的数字控制器的速度稳定性完全满足测井工作需要，降低了劳动强度。 |
| 2. | The rotary speed stability of engine in idle speed state is analyzed and studied further by using fuzzy control theory , bp neural network and pid theory
用模糊控制理论、 pid调节、 bp神经网络对发动机怠速的速度稳定性进行了深入分析和研究。 |
| 3. | For the sake of having a fine stiffness and speed stability in this system , we designed a rotational speed regulation loop inside the position loop and adopted pi regulation algorithm as a basic algorithm of speed loop controller
为了使系统能够有很好的刚性和速度稳定性，在位置环之内设置了一个转速调节环，并且以pi调节算法作为速度环控制器基本算法。 |
| 4. | In this system , according to the performance requires of servo - system in rapid character , high precision , drive - stiffness and high - speed stability , we adopted a closed - loop control structure that includes three closed - loops : position closed - loop , speed closed - loop and current closed - loop
根据伺服系统对快速性、高精度以及传动的刚性和高的速度稳定性等方面的性能要求，系统采用了位置、速度、电流三闭环的控制结构。 |
| 5. | The full - digital servo control system of satellite antenna has already passed the whole satellite payload system test . the result shows that the system has good speed stability , high precision scan period and can work reliably under the simulative space environment
本文所设计的卫星天线全数字伺服系统已通过卫星有效载荷系统的联试实验，结果表明：该系统具有较高的转速稳定性和高精度的扫描周期，可以在外太空模拟环境下长期可靠地运行。 |
| 6. | As a hardware . the gimble servosystem design is very important in the making of the optoelectronic tracking system . the precision of the position . speed and the speed stability are the key indexes . for the optic measurement system in the high space . the minimum stable speed and high precision are needed
转台伺服系统的位置精度，速度精度和速度平稳性是光电跟踪系统设计的重要指标，而对深空光测系统，则要求其具有稳定的最低速度以及低速时高的工作精度。 |
| 7. | At the same time , we mainly design the hardware and the software of the two control systems . the high quality singlechip of at89c2051 and at89c51 are used as the main microprocessor of the control system . using digital method achieved the speed adjustment and the close - loop speed control which ensure the accuracy of speed adjustment and the speed stability at a def inite speed range
同时就两套无刷直流电动机控制器的硬件电路和软件程序问题进行了重点工程设计，采用了高性能的at89c2051和at89c51单片机作为微处理器，用数字软件技术对电机进行调速和转速闭环控制，使电机在一定范围内能够进行精确调速和速度稳定控制。 |
| 8. | This product applies to the flat glass - grinding straight - edge , coarse grinding , finishing grinding , polishing once completed , tracked drive inverter used to control motor speed , smooth and reliable , cement blocks sliding box when sliding double - linear ball guide , ball screw double - action speed stability and precision
本产品适用于磨削平板玻璃的双直线平边，粗磨、精磨、抛光一次完成，履带驱动采用变频电机调速控制，平稳可靠，磨头座滑动箱体滑动时采用双直线滚珠导轨，双滚珠丝杆传动，移动速度稳定、精确。 |
