CN103631984A - Aided design system and design method of railway vehicle traction system - Google Patents
Aided design system and design method of railway vehicle traction system Download PDFInfo
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- CN103631984A CN103631984A CN201310382572.6A CN201310382572A CN103631984A CN 103631984 A CN103631984 A CN 103631984A CN 201310382572 A CN201310382572 A CN 201310382572A CN 103631984 A CN103631984 A CN 103631984A
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Abstract
The invention relates to an aided design system and a design method of a railway vehicle traction system. The aided design system comprises a database module, a part function model library module and a structure configuration design module. The database module is used for storing determined electric capacities and performance parameters of all parts in the traction system in the design process. The part function model library module is used for storing and loading the steady state models and the dynamic state modules of main parts in the traction system. The structure configuration design module is used for recording index requirements of vehicle operation in the aided design system, the aided design system loads the steady state models of all the parts in the traction system according to the index requirements of vehicle operation, the electric capacities and the performance parameters of all the parts are calculated and stored in the database module, and the topological structure of the traction system is designed by designers according to the electric capacities and the performance parameters of all the parts. According to the aided design system and the design method of the railway vehicle traction system, the steady state performance and the dynamic state performance of the designed traction system can be commanded at any time by the designers in the designing process, the work of the designers can be effectively guided, and the designers can design better schemes.
Description
Technical field
The present invention relates to a kind of aided design system and method for designing, particularly a kind of aided design system of rail vehicle trailer system and method for designing.
Background technology
For adapting to the multiple demand of user market, require the design of high speed railway car trailer system can meet in time the variation of train performance, therefore new design proposal needs taking into account system steady-state behaviour and dynamic property.In actual design process, be difficult to learn in time the dynamic property such as temperature rise, torque pulsation of trailer system critical component, restrict designer and proposed better design proposal.
Summary of the invention
Fundamental purpose of the present invention is to address the above problem and is not enough, provide a kind of can be for designer provides trailer system all parts stable state and dynamic property, Computer Aided Design personnel complete the aided design system of the rail vehicle trailer system of better design proposal.
Another fundamental purpose of the present invention is to provide a kind of method for designing of rail vehicle trailer system.
For achieving the above object, technical scheme of the present invention is:
An aided design system for rail vehicle trailer system, comprises database module, for being stored in electrical capacity, the performance parameter of the definite trailer system all parts of design process; Component function model bank module, for storing and load the steady-state and dynamic model of trailer system critical piece; Structure configuration design module, for man-machine interaction, the index request of typing vehicle operating in described aided design system, aided design system loads the steady-state model of trailer system all parts according to vehicle operating index request, calculate electrical capacity and the performance parameter of all parts and deposit database module in, designer designs the topological structure of trailer system according to the electrical capacity of all parts and performance parameter.
Further, topological structure at structure configuration design module typing trailer system, described aided design system is the described topological structure of identification automatically, described aided design system is according to electrical capacity and the performance parameter of determined all parts in described topological structure and database module, load the dynamic model of all parts, all parts is carried out to dynamic simulation, determine that the electric property of all parts changes.
Further, also comprise algorithms library module, for the main control strategies of storing trailer system critical piece, when described aided design system loads the dynamic model of all parts, designer selects a kind of control strategy in algorithms library module, and described aided design system carries out simulation calculation according to this control strategy to the critical piece of trailer system.
Further, critical piece is rectifier and inverter.
Further, structure configuration design module is graphical editor module, at the inputting interface of described aided design system, completes editor's typing of all parts and trailer system topological structure with the icon of all parts.
Another technical scheme of the present invention is:
A method for designing of applying above-mentioned aided design system, comprises the steps:
Step 1, the index request of typing vehicle operating in described aided design system;
Step 3, designer, according to electrical capacity and the performance parameter of all parts calculating, designs the topological structure of trailer system.
Further, in described step 2, aided design system, by calculating electrical capacity and the performance parameter of all parts, deposits database module in after numbering.
Further, in step of the rear increase of described step 3, designer configures design module typing by the trailer system topological structure designing by structure, aided design system is the described topological structure of identification automatically, and according to topological structure and all parts electrical capacity and the performance parameter transferred from database module, the dynamic model that loads all parts, carries out dynamic simulation to all parts, determines that the electric property of all parts changes.
Further, when designer needs aided design system to load the dynamic model of all parts, designer selects a kind of control strategy in algorithms library module, and described aided design system carries out simulation calculation according to this control strategy to the rectifier of trailer system and inverter.
Content to sum up, the aided design system of a kind of rail vehicle trailer system of the present invention and method for designing, can load electrical capacity and performance parameter that steady-state model is determined all parts, for designer provides foundation.By the trailer system topological structure of automatic identification typing, load dynamic model, emulation train travelling process, makes designer can recognize the dynamic property of designed trailer system, so that the design that modification and perfection is done.The present invention can make designer in design process, grasps at any time stable state and the dynamic property of designed trailer system, and effectively design personnel's work improves designer's work efficiency, makes designer design better scheme.
Accompanying drawing explanation
Fig. 1 is the structural representation of critical piece in trailer system of the present invention;
Fig. 2 is the structural representation of aided design system of the present invention;
Fig. 3 is the interface schematic diagram of structure configuration design module of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As shown in Figure 1, the trailer system of rail vehicle mainly comprises input power, tractive transformer, rectifier, inverter, traction electric machine etc.The high-tension electricity that trailer system is introduced roof, by tractive transformer step-down, after rectifier, inverter variable-frequency variable-voltage, is transported to traction electric machine in controlled, appropriate mode, the operation of traction electric machine towing vehicle.
As shown in Figure 2, the aided design system of rail vehicle trailer system, the design for Computer Aided Design personnel to trailer system, mainly comprises database module, component function model bank module, algorithms library module and structure configuration design module.
Structure configuration design module, is the module for man-machine interaction, and on the inputting interface of aided design system, designer is by the good trailer system all parts of primary design and the topological structure typing of all parts.
Component function model bank module, for storage and loading trailer system all parts steady-state and dynamic model, concretely, is the steady-state and dynamic model of tractive transformer, rectifier, inverter, traction electric machine.In the different design phases, demand that can be different according to designer, loads respectively the steady-state and dynamic model of all parts.
Database module, for storing existing typical trailer system design proposal; The electrical capacity of determined trailer system all parts, performance parameter in project engineering, deposit one by one after being numbered according to a plurality of different design proposals of designer; And the different train running performance index of designer's input etc.
Algorithms library module, for storing and provide the main control strategies of trailer system critical piece, critical piece is rectifier and inverter, control strategy is as PID, fuzzy control etc.Conventionally give tacit consent to a kind of control strategy, also can be as requested, designer selects voluntarily.
In trailer system design process, according to the requirement of train operation performance index, need to determine whole system structural topology structure, electrical capacity and the main electrical parameters thereof of tractive transformer, rectifier, inverter and traction electric machine etc.
At the design initial stage, designer is the performance requirement of train, operating index, and as speed per hour etc. is entered in aided design system, aided design system, according to indices of train running requirement, loads the steady-state model of trailer system all parts.
By calculating, aided design system is determined electrical capacity and the performance parameter of all parts, after numbering, deposit database module in, designer is usingd the electrical capacity, performance parameter of all parts that calculates as foundation, carries out the work such as the design of trailer system topological structure and parts selection.
When designer need to understand the combination property of designed trailer system, designer configures design module by structure, and by the trailer system topological structure typing designing, aided design system is identified the topological structure of typing automatically.
Designer operates in aided design system, aided design system is according to electrical capacity and the performance parameter of determined all parts in topological structure and database module, load the dynamic model of all parts, all parts is carried out to dynamic simulation, the electric property of determining all parts changes, designer can as required, understand the electric property of all parts in trailer system at any time.
The electric property of all parts mainly comprises: transformer voltage, electric current, temperature rise; Current transformer input and output voltage, electric current, temperature rise; Intermediate dc is alleviated voltage, electric current; Inverter input and output voltage, electric current, temperature rise; Traction electric machine stator and rotor voltage, electric current, rotating speed, torque, temperature rise, magnetic linkage etc.
And for the rectifier in trailer system and inverter, when designer needs aided design system to load the dynamic model of all parts, designer can choose a control strategy from algorithms library module, aided design system, according to selected control strategy, carries out dynamic simulation calculating to rectifier and inverter.Can choose respectively different control strategies and complete different dynamic simulations, compare.
Situation of change by above-mentioned parts electric property in analogue simulation, designer can be on this basis, judge whether determined all parts electrical capacity, performance parameter etc. meet train operation required, designed trailer system is adjusted perfect, thereby design better trailer system scheme.
As shown in Figure 3, structure configuration design module adopts graphical editor's typing mode, on the inputting interface of accompanying drawing design system, completes editor's typing of all parts and trailer system topological structure with the icon of all parts.
Fig. 3 right side is component library, can be for the element of designer's Select input, and Fig. 3 left side is the topological structure of designed a kind of trailer system.
A method for designing of applying above-mentioned aided design system, comprises the steps:
Step 1, the index request of designer's typing vehicle operating in aided design system.
Step 3, designer, according to electrical capacity and the performance parameter of all parts calculating, designs the topological structure of trailer system.
Step 4, designer configures design module typing by the trailer system topological structure designing by structure, aided design system is the described topological structure of identification automatically, and according to topological structure and all parts electrical capacity and the performance parameter transferred from database module, load the dynamic model of all parts, all parts is carried out to dynamic simulation, determine that the electric property of all parts changes.When designer needs aided design system to load the dynamic model of all parts, designer selects a kind of control strategy in algorithms library module, and aided design system carries out simulation calculation according to this control strategy to the rectifier of trailer system and inverter.
In sum, the aided design system of rail vehicle trailer system of the present invention and method for designing, by the steady-state model of loading component, calculate the electrical capacity of all parts and performance parameter etc., for designer provides design considerations.By automatic identification topological structure, load the dynamic model of all parts, trailer system performance synthesis performance is carried out to emulation, make designer in design process, by this aided design system, can relatively fully understand trailer system combination property, thereby propose better trailer system design proposal.
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not depart from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. an aided design system for rail vehicle trailer system, is characterized in that: comprise database module, for being stored in electrical capacity, the performance parameter of the definite trailer system all parts of design process; Component function model bank module, for storing and load the steady-state and dynamic model of trailer system critical piece; Structure configuration design module, for man-machine interaction, the index request of typing vehicle operating in described aided design system, aided design system loads the steady-state model of trailer system all parts according to vehicle operating index request, calculate electrical capacity and the performance parameter of all parts and deposit database module in, designer designs the topological structure of trailer system according to the electrical capacity of all parts and performance parameter.
2. the aided design system of rail vehicle trailer system according to claim 1, it is characterized in that: at the topological structure of structure configuration design module typing trailer system, described aided design system is the described topological structure of identification automatically, described aided design system is according to electrical capacity and the performance parameter of determined all parts in described topological structure and database module, load the dynamic model of all parts, all parts is carried out to dynamic simulation, determine that the electric property of all parts changes.
3. the aided design system of rail vehicle trailer system according to claim 2, it is characterized in that: also comprise algorithms library module, for the main control strategies of storing trailer system critical piece, when described aided design system loads the dynamic model of all parts, designer selects a kind of control strategy in algorithms library module, and described aided design system carries out simulation calculation according to this control strategy to the critical piece of trailer system.
4. the aided design system of rail vehicle trailer system according to claim 3, is characterized in that: described critical piece is rectifier and inverter.
5. the aided design system of rail vehicle trailer system according to claim 1, it is characterized in that: described structure configuration design module is graphical editor module, at the inputting interface of described aided design system, with the icon of all parts, complete editor's typing of all parts and trailer system topological structure.
6. a method for designing for the aided design system described in application rights requirement 1 to 5 any one, is characterized in that, comprises the steps:
Step 1, the index request of typing vehicle operating in described aided design system;
Step 2, aided design system, according to the index request of described vehicle operating, loads the steady-state model of trailer system all parts, calculates electrical capacity and the performance parameter of all parts;
Step 3, designer, according to electrical capacity and the performance parameter of all parts calculating, designs the topological structure of trailer system.
7. the method for designing of rail vehicle trailer system according to claim 6, is characterized in that: in described step 2, aided design system, by calculating electrical capacity and the performance parameter of all parts, deposits database module in after numbering.
8. the method for designing of rail vehicle trailer system according to claim 7, it is characterized in that: in step of the rear increase of described step 3, designer configures design module typing by the trailer system topological structure designing by structure, aided design system is the described topological structure of identification automatically, and according to topological structure and all parts electrical capacity and the performance parameter transferred from database module, load the dynamic model of all parts, all parts is carried out to dynamic simulation, determine that the electric property of all parts changes.
9. the method for designing of rail vehicle trailer system according to claim 8, it is characterized in that: when designer needs aided design system to load the dynamic model of all parts, designer selects a kind of control strategy in algorithms library module, and described aided design system carries out simulation calculation according to this control strategy to the rectifier of trailer system and inverter.
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| CN106610592A (en) * | 2015-10-27 | 2017-05-03 | 同济大学 | Simulation platform for real physical characteristics of energy-storage urban rail vehicle |
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| CN106610592A (en) * | 2015-10-27 | 2017-05-03 | 同济大学 | Simulation platform for real physical characteristics of energy-storage urban rail vehicle |
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