Pulse control is the core method for achieving high-precision motion control of servo motors and servo
cylinders. These three components form a complete control chain of "command-power output-linear execu
tion," specifically related as follows:
I. Basic Adaptation of Pulse Control and Servo Motors
Pulse control is the mainstream position control mode for servo motors. An external controller sends pulse
signals to the servo driver. The number of pulses determines the total rotation angle of the motor, and the
pulse frequency determines the motor speed. Combined with a direction signal, forward and reverse rotati
on can be switched.
Servo motors have built-in encoders that provide real-time feedback of position pulses to form a closed-lo
op verification, automatically correcting the deviation between the pulse command and the actual motion,
avoiding missed steps, and ensuring control accuracy.
This mode requires no complex bus configuration, has simple wiring, and is a universal control solution for
small to medium-sized automation scenarios.
II. Adaptation Logic of Pulse Control and Servo Cylinders
Servo cylinders are modular linear actuators integrating servo motors, lead screws, and sensors. They can
directly receive pulse signals to complete linear motion control. Many mature servo cylinder products on th
e market already support pulse control.
Under pulse control, the number of pulses directly corresponds to the linear stroke of the electric cylinder
piston rod, and the pulse frequency corresponds to the extension and retraction speed of the electric cylin
der. Combined with directional signals, the extension and retraction of the piston rod can be precisely contr
olled, achieving positioning accuracy down to the micrometer level.
Pulse-controlled servo electric cylinders support multi-position presets and can move to different target po
sitions sequentially according to a program, adapting to scenarios such as automated assembly and goods
storage/retrieval.
III. Collaborative Working Relationship Among the Three Pulse control serves as a unified command source,
simultaneously driving the servo motor (rotary power output) and the servo electric cylinder (linear power
output). Both can achieve联动 control within the same pulse system.
The pulse signal is first transmitted to the servo driver to drive the servo motor to rotate. Inside the electric
cylinder, a ball screw converts the motor's rotational motion into precise linear reciprocating motion. The en
tire system achieves high-precision closed-loop control of both position and speed.
This collaborative solution requires no complex bus protocol conversion and can directly interface with con
ventional controllers such as PLCs. Installation and debugging are convenient, and it is widely used in indus
trial scenarios such as precision pressing and high-speed sorting.
