Simulation analysis method and system for motion characteristics of free piston linear generator

A technology of linear generators and motion characteristics, which is applied in the directions of machines/engines, design optimization/simulation, mechanical equipment, etc., and can solve problems such as high experimental costs and difficult implementation

Active Publication Date: 2021-05-07
ZIBO SUPER MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention can effectively solve the problems of high cost and difficult implementation of the current FPLG experiment. Through analysis, the motion characteristics of the FPLG system and the parameters and influence laws affecting the motion characteristics can be obtained, and the calculation process is fast and convenient.

Method used

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  • Simulation analysis method and system for motion characteristics of free piston linear generator
  • Simulation analysis method and system for motion characteristics of free piston linear generator
  • Simulation analysis method and system for motion characteristics of free piston linear generator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A method for simulating and analyzing motion characteristics of a free-piston linear generator, in this embodiment, a back-mounted FPLG is used for illustration. At present, the existing back-mounted FPLG is equipped with motors at both ends of the generator core shaft (such as figure 1 ), a generator is arranged in the middle, and the generator has two functions of a motor and a generator at the same time. The mover assembly includes piston, connecting rod and motor mover, etc.

[0047] However, it should be noted that, in order to make the technical solution clearer for those skilled in the art, the description is given by taking the back-mounted FPLG as an example, which does not mean that the method in this embodiment can only be used for this type of generator.

[0048] This method includes establishment of FPLG motion characteristic simulation analysis model, model parameter setting, simulation loading conditions of motion characteristics under different working ...

Embodiment 2

[0134] A simulation analysis system for motion characteristics of a free-piston linear generator, comprising:

[0135] The model building module is configured to establish a simulation analysis model of the motion characteristics of the free-piston linear generator based on the dynamics principle and comprehensively considering the electromagnetic force, friction force and cylinder pressure according to the force of the free-piston linear generator;

[0136] The parameter configuration module is configured to determine the parameters to be studied as variables, and set relevant parameters in terms of cylinder pressure, electromagnetic force and friction for the constructed motion characteristic simulation analysis model;

[0137] The working condition loading module is configured to determine the simulated loading conditions of the kinematic characteristics of different working conditions;

[0138] The simulation analysis module is configured to simulate the motion characteris...

Embodiment 3

[0140] A computer-readable storage medium, in which a plurality of instructions are stored, and the instructions are suitable for being loaded by a processor of a terminal device and executing the steps of the method for simulating and analyzing motion characteristics of a free-piston linear generator provided in Embodiment 1.

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Abstract

The invention provides a simulation analysis method and system for motion characteristic of a free piston linear generator. The method comprises the steps of building an FPLG mover motion characteristic simulation model based on a dynamics principle according to the stress characteristics of an FPLG system, analyzing a model parameter setting method according to the structure and working principle of the FPLG system, analyzing the loading conditions of the motion characteristic simulation of different working conditions, and finally, researching a result extraction and analysis method. According to the method, the problems of high cost and difficult implementation of the current FPLG experiment can be effectively solved, the motion characteristics of the FPLG system, the parameters influencing the motion characteristics and the influence rule can be obtained through analysis of the simulation method, and the calculation process is rapid and convenient.

Description

technical field [0001] The invention belongs to the technical field of free-piston linear generators, in particular to a method and system for simulating and analyzing motion characteristics of free-piston linear generators. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] The free piston linear generator (FPLG) converts the heat energy generated by the internal combustion engine into electrical energy output through the motor, which can replace the auxiliary power unit of the extended-range hybrid electric vehicle. As a new power device, the free piston linear generator is a new energy source in the future. An important research direction of automobile power system. [0004] The FPLG system mainly includes an internal combustion engine and a linear generator in terms of structure. The internal combustion engine in the FPLG has similar the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B63/04G06F30/20
CPCF02B63/041G06F30/20
Inventor 唐娟程勇吕宏马宗正马翠英
Owner ZIBO SUPER MOTOR
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