| 1. | The design of measurement circuit of solid - axes photoelectric encoder 实轴增量式光电编码器测量电路的设计 |
| 2. | From the four aspects of the processing circuit , this paper introduced the properties of the output circuit of the solid - axes photoelectric encoder and explicated the design idea , scheme and implementation 摘要介绍了如何设计增量式光电编码器的输出信号处理电路,并从该电路设计的四个方面着手,较为详细地阐述了电路组成的构思、设计及实现过程。 |
| 3. | Current turntable control system usually adopts digital - analog control method . with the development of computer science and photoelectric encoder , numeralization of control system has become the trend for designing turntable control system 现有的转台控制系统一般采用数? ?模混合控制方式,随着计算机技术与光电编码器的飞速发展,控制系统的数字化已成为转台控制系统设计实现的发展趋势。 |
| 4. | Basing on the operating characteristics of the pmsm machine tool spindle drive system , a novel frequency multiplication circuits which can be switch to 2 or 4 times of base frequency is proposed in the paper . it resolves the paradox of using a same photoelectric encoder under high and low speed operating condition of motors 它能够根据指令实时的对编码器反馈回来的电机速度信号进行2倍频或4倍频处理,解决了用同一个编码器来检测电机低速和高速的矛盾。 |
| 5. | On the basis of describing the situation of current logging technology and considering the atrocious environment and the superiority of video imaging well - logging , the logging system consists of hardware and software sub - system in this paper . according to the objective condition of logging , the design of hardware has taken special treatments : high - temperature - proof protection with particular equipment for the whole circuit , video collection with ccd , temperature signal gathering by pt resistance and v / f transform , depth measurement through photoelectric encoder and jitter elimination circuit 在系统的硬件设计中,针对油田测井的客观环境,进行了特殊处理:对整体测量电路采用特种装备进行耐高温保护;对井下的视频信号采用ccd摄像头进行采集;对井下温度信号利用铂电阻和v f变换实现采集;对深度信号采用光电码盘及去抖电路进行精确测量。 |
| 6. | On the base of particular introduction of several ac servocontrol technologies , the system adopts the permanent magnet synchronous machine as the driver motor and the permanent magnet brush - less motor as the momentum balance motor . the hardware and software of the system have been designed and debugged on the cpu of special motor controller - tms320f240 . the servo driven motor uses absolute situation photoelectric encoder as situation feedback device in order to assure the system precision 论文在分析了几种交流伺服系统的技术基础上,对该系统驱动机构方案进行了认真的研究与论证,根据系统的要求和特点提出了永磁同步电机作为伺服电机,永磁无刷直流电机作为动量矩平衡电机的系统设计方案,完成了tms320f240dsp为核心的系统硬件的设计与调试。 |
| 7. | And the inverter becomes smarter . during the designing , the pulse - processing ciucuit is preset which processes the feedback pulse from photoelectric encoder for close - looping the system in future . by using the circuit and quadrature mode of timer 1 in 80c196mc , incremental encoder can be embedded into the velocity regulation system more easily and the domain the inverter can be used in is enlarged too 在系统设计过程中,考虑到了变频调速器进一步改进为闭环系统的需要,在电路中预设了光电码盘反馈脉冲的处理电路,通过这个电路的处理,并利用80c196mc中定时计数器1的90相移计数工作方式,可大大简化使用增量式光电码盘时脉冲处理的复杂度,这也扩大了本文中变频调速器的应用范围。 |
| 8. | Abstract : analyzed mechanics for vibration of photoelectric encoder and its influence , introduced the ordinary method for vibration - reduced , based on this , a new designing method for vibration - reduced of photoelectric encoder is put forward based on asynchronous - circuit designed , and a application - example is given 文摘:分析了光电编码器的振动机理及影响,介绍了目前使用的减振方法,并在此基础上,提出了一种基于异步逻辑设计的光电编码器减振电路设计方法,给出了其具体的应用事例。 |
| 9. | Abstract : regarding the practical problems in applications of photoelectric encoder and the solutions a detecting method for displacement with higher accuracy and the implementing circuit are stated and designed . with the control of underdrived robot arm as an example the concrete application is introduced 文摘:就光电编码器的实际应用问题及解决方法,提出并设计了一套适用于精度要求较高的位移检测方法及实现电路,文末以欠驱动机器臂的控制为例,介绍其具体应用。 |