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Pulse generating device

A technology for generating device and pulse, applied in the field of pulse generating device, which can solve the problems of inability to generate pulse waves, wrong number of pulse waves, etc.

Inactive Publication Date: 2013-03-13
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the same computing cycle, the digital differential analyzer will not be able to generate pulse waves corresponding to the second control command, resulting in an error in the number of pulse waves

Method used

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Experimental program
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Embodiment Construction

[0010] Please refer to figure 1 It is a structural diagram of a preferred embodiment of the pulse generating device 10 of the present invention, which includes a pulse command register 20 and a digital differential analyzer 30 . Please also refer to figure 2 , the pulse command register 20 includes a first register 21 , a second register 22 and an adder 23 . Please also refer to image 3 , the digital differential analyzer 30 includes a shift register 31, a counter 32 and an adder 34 comprising a comparator 33, and the values ​​of the shift register 31, counter 32 and comparator 33 are set initially . The pulse command register 20 is used to receive and store two pulse commands ΔP sent from the central processing unit (not shown in the figure) within one operation cycle, and send the two pulse commands ΔP to the digital Differential Analyzer 30. The digital differential analyzer 30 is used to receive the pulse command sent by the pulse command register 20 , and output pu...

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Abstract

A pulse generator includes a pulse command register and a digital differential analyzer (DDA). The pulse command register includes a first register, a second register, and an adder. The first register receives and stores a pulse command from a CPU in an operating cycle. The second register receives and stores the pulse command shifted from the first register when the first register receives a second pulse command from the CPU in the operating cycle. The adder sums the pulse commands of the first register and the second register and the result is transmitted to the DDA. The DDA determines whether a pulse is to be generated after calculation according to the result from the adder of the pulse command register.

Description

technical field [0001] The invention relates to a pulse generating device, in particular to a pulse generating device for controlling the movement of a servo motor. Background technique [0002] Digital Differential Analysis (DDA) refers to the use of discrete calculus to calculate the instructions issued by the continuous system in order to achieve the purpose of average distribution. This digital differential analyzer can generate pulse commands to control the movement of general stepping motors or servo motors. The digital differential analyzer accepts the control command from the central processing unit (Central Process Unit: CPU), and the digital differential analyzer executes the control command in one operation cycle. Pulses are output uniformly within the period. [0003] Theoretically, the digital differential analyzer can accept a control command sent from the central processing unit in each operation cycle, and the cycle of the central processing unit sending th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K3/01H02P8/00
CPCG06F1/025
Inventor 陈世章陈信安洪荣聪林佑任洪荣煌赖幼仙
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD