Side-by-Side Slide Plates With Direct-Drive Linear Motor Control
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Solution Overview
Problem
Existing automation systems using reciprocating slide plates face inefficiencies due to long transmission chains, complex structures, and poor stability, limiting quick response and accuracy in automated production lines.
Innovation Solution
A side-by-side seamlessly fitting group of slide plates driven by permanent magnet linear synchronous motors, integrated with a fuzzy active disturbance rejection controller, allows for direct drive and concurrent control of multiple motors, enhancing accuracy, stability, and quick response.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If conventional reciprocating slide plate mechanisms with drive motors and ball screws are used, then automation control is achieved, but the transmission chain becomes long and response speed decreases
Solution Approach 1:
The patent extracts and removes the intermediate transmission components (ball screws, transmission mechanisms) from the conventional drive system. By directly coupling the linear synchronous motor to the slide plate, it eliminates the long transmission chain while maintaining automation control, thus resolving the contradiction between automation and response speed.
Solution Approach 2:
The patent replaces the conventional mechanical transmission system (drive motor + ball screw + transmission chain) with a direct-drive linear synchronous motor system. This substitution eliminates mechanical transmission losses and intermediate components, achieving both automation control and fast response speed simultaneously.
2Speed
If cylinders are used to drive slide plates for quick response, then response speed improves, but equipment structure becomes complex and energy consumption increases
Solution Approach 1:
The patent extracts the complex intermediate transmission mechanisms from the drive system and replaces them with a compact linear synchronous motor. This direct-drive approach achieves quick response without requiring complex cylinder mechanisms, thereby reducing structural complexity while maintaining fast response speed.
Solution Approach 2:
The patent changes the fundamental drive mechanism from pneumatic/hydraulic cylinders to electromagnetic linear motors. This parameter change in the drive system enables direct linear motion generation without complex mechanical linkages, achieving quick response with simpler structure and lower energy consumption.
3Ease of operation
If multiple slide plates are controlled independently with separate drive mechanisms, then individual control is achieved, but overall system stability deteriorates due to interference
Solution Approach 1:
The patent merges multiple independent slide plate control systems into a unified control platform. By implementing coordinated control algorithms that manage multiple linear synchronous motors through a single control system, it achieves both independent control capability and improved system stability through centralized coordination that eliminates interference between individual plates.
4Manufacturing precision
If conventional transmission mechanisms are used to drive slide plates, then motion control is achieved, but manufacturing precision and positioning accuracy decrease due to transmission gaps
Solution Approach 1:
The patent replaces the mechanical transmission system (ball screws, gears, linkages) with a direct-drive linear synchronous motor system. This substitution eliminates transmission gaps and mechanical play entirely, achieving high positioning accuracy and manufacturing precision while actually reducing device complexity by removing intermediate transmission components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system achieves high positioning accuracy, simple mechanical structures, energy-saving characteristics, and quick response, enabling slide plates to work independently or jointly under varying loads without interference.
Implementation Method 1
permanent magnet linear synchronous motors driven by permanent magnet linear synchronous motors, integrated with a fuzzy active disturbance rejection controller, allows for direct drive and concurrent control of multiple motors
Data Source
AI summary
A side-by-side seamlessly fitting group of slide plates includes a frame, a support rod is horizontally arranged on a top side of the frame, a plurality of support plates are rotatably connected to an outer side of the support rod, a permanent magnet linear synchronous motor is arranged on a top surface of each support plate, a linear slide rail is arranged on a top surface of the permanent magnet linear synchronous motor, a slider is slidably connected to an outer side of the linear slide rail, a mounting plate and a slide plate are arranged on a top surface of the slider in sequence, sides of two adjacent ones of the slide plates seamlessly fit to each other, and a bent end of the mounting plate extends to a side surface of the permanent magnet linear synchronous motor and is threadedly connected to a connecting plate.