KR20170108196A - Apparatus and Method for Simulating wave power - Google Patents

Abstract

The present invention relates to a wave power simulation apparatus for wave power generation and a method thereof, capable of simulating the motion of a wave. The wave power simulation apparatus according to the present invention uses a motor on a load side in a circular motor-generator set to simulate the motion of the wave and uses a damping map to simulate the motion of the buoy in controlling a damping on a generator side.

Description

[0001] Apparatus and Method for Simulating Wave Power [

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus and method for simulation of wave force simulation, and more particularly, to an apparatus and method for wave simulation simulation for wave power generation capable of simulating wave motion.

In recent years, global renewed interest in the development of renewable marine energy has been growing in consideration of policy and economics, such as the Renewable Portapolio standard (RPS). In particular, the commercialization of wave power using the wave of unlimited energy Many countries and corporations are working hard.

Generally, wave power generation refers to a power generation method in which a continuous wave phenomenon is converted into mechanical motion, and then converted into electric energy to generate electricity. In the case of the wave power generation control method, the reciprocating motion of the generator connected to the branch according to the movement of the wave is converted into electrical energy using the generator side converter.

In this way, it is very important to verify the control method according to the wave motion in the wave power generation system because the wave power generation system generates power according to the wave motion.

However, it is very difficult to reproduce the motion of a wave with the exception of a wave generator shrinking model and a method of installing the wave generator in the actual sea.

Korean Laid-open Patent No. 2013-126950 (Title: Method for electric apparatus and power generation, 2013.11.21)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide an apparatus and method for simulating wave simulation that can simulate irregular wave motion through a simulator for wave power generation.

It is also an object of the present invention to provide an apparatus and method for wave simulation simulation utilizing a simple-implementable circular type motor-generator set.

It is also an object of the present invention to provide an apparatus and method for wave simulation simulation that can simulate wave motion using a load-side motor in a circular-type motor-generator set.

It is also an object of the present invention to provide an apparatus and a method for wave simulation simulation that can simulate the motion of a linear generator using a circular generator-side motor.

It is also an object of the present invention to provide an apparatus and method for simulation of wave simulation that can simulate the motion of a buoy during damping control of a circular generator using a damping map.

According to another aspect of the present invention, there is provided an apparatus for simulating wave simulation, comprising: a motor driven according to a driving signal; A generator that performs power generation according to the power generation control signal; An inverter for outputting the driving signal for driving the motor according to the speed command when a speed command is input; Wherein the controller controls the generator by outputting the power generation control signal for controlling the damping of the generator to the generator and controls the speed command value of the next buoy according to the damping during the generator control by the speed command, To control the wave velocity of the wave to be simulated.

Further, the motor of the apparatus for simulation of wave simulation according to the present invention is constituted by a load-side motor of a circular type for simulating the movement of a wave, and the generator is configured for a generator function, Is characterized in that it is constituted by one set and simulates wave motion by utilizing the load side motor.

In addition, the driving unit of the apparatus for simulation of wave simulation according to the present invention is characterized in that the controller controls to simulate the motion of the buoy during the damping control of the generator using a damping map stored in advance.

Further, the driving unit according to the present invention is characterized in that the reciprocating motion of the generator is controlled to be driven in a clockwise (CW) or counterclockwise (CCW) manner through the motor simulating the movement of a wave do.

According to another aspect of the present invention, there is provided a method of simulating a wave force simulation, the method comprising: a load-side motor for simulating wave motion; a generator-side motor serving as a generator; Process; Outputting a power generation control signal for controlling the damping of the generator to the generator; Outputting a speed command value of a next buoy according to damping during the generator control to the motor with the speed command to simulate the speed of the wave; Wherein the step of outputting the generation control signal to the generator includes the step of controlling the drive driver to simulate the motion of the buoy during the damping control of the generator using a damping map stored in advance And a control unit.

Further, in the method for simulation of wave simulation according to the present invention, the step of simulating the speed of the wave may include the step of, when the driving driver rotates the reciprocating motion of the generator through the motor simulating the motion of the wave, ) And counterclockwise (CCW: CounterClockWise).

As described above, according to the embodiment of the present invention, it is possible to simulate irregular wave motion through the simulator for wave power generation, and to provide a wave simulator for wave power generation utilizing a circular-type motor- It has the effect of simulating the motion of waves.

In addition, various effects other than the above-described effects can be directly or implicitly disclosed in the detailed description according to the embodiment of the present invention to be described later.

1 is a view for explaining a wave power generation system using a linear generator to which an embodiment of the present invention is applied.
2 is a block diagram showing an internal configuration of an apparatus for simulation of wave power generation for wave power generation according to an embodiment of the present invention.
3 is an exemplary diagram showing an irregular wave velocity profile for expressing the motion of a wave in a no-load state.
4 is a diagram illustrating an example of a speed relationship of a buoy according to PTO damping in an apparatus for a wave simulation simulation according to an embodiment of the present invention.
5 is a diagram illustrating an operating environment of an apparatus for providing a method for simulation of wave power for wave power generation according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS For a more complete understanding of the nature and advantages of the present invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings, in which:

In the following description and the accompanying drawings, detailed description of well-known functions or constructions that may obscure the subject matter of the present invention will be omitted. It should be noted that the same constituent elements are denoted by the same reference numerals as possible throughout the drawings.

The terms and words used in the following description and drawings are not to be construed in an ordinary sense or a dictionary, and the inventor can properly define his or her invention as a concept of a term to be described in the best way It should be construed as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

Also, terms including ordinal numbers such as first, second, etc. are used to describe various elements, and are used only for the purpose of distinguishing one element from another, Not used. For example, without departing from the scope of the present invention, the second component may be referred to as a first component, and similarly, the first component may also be referred to as a second component.

Also, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. It is also to be understood that the terms such as " comprising "or" having ", as used herein, are intended to specify the presence of stated features, integers, It should be understood that the foregoing does not preclude the presence or addition of other features, numbers, steps, operations, elements, parts, or combinations thereof.

Also, the terms "part," "module," and the like, which are described in the specification, refer to a unit for processing at least one function or operation, and may be implemented by hardware or software or a combination of hardware and software. Also, the terms " a or ", "one "," the ", and the like are synonyms in the context of describing the invention (particularly in the context of the following claims) May be used in a sense including both singular and plural, unless the context clearly dictates otherwise.

In addition to the above-described terms, certain terms used in the following description are provided to facilitate understanding of the present invention, and the use of such specific terms may be changed to other forms without departing from the technical idea of the present invention.

In addition, embodiments within the scope of the present invention include computer-readable media having computer-executable instructions or data structures stored on computer-readable media. Such computer-readable media can be any available media that is accessible by a general purpose or special purpose computer system.

By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or in the form of computer- But is not limited to, a physical storage medium such as any other medium that can be used to store or communicate certain program code means of the general purpose or special purpose computer system, .

In addition, the invention may be practiced with other computer systems, including personal computers, laptop computers, handheld devices, multiprocessor systems, microprocessor-based or programmable consumer electronics, network PCs, minicomputers, mainframe computers, a pager, and the like. < RTI ID = 0.0 > [0040] < / RTI >

Now, an apparatus for a wave simulation simulator for wave power generation according to an embodiment of the present invention and an apparatus for a wave simulation simulator for wave power generation capable of simulating a motion of an undesired wave through a wave simulation simulator will be described with reference to the drawings. Will be described in detail.

First, a wave power generation system using a linear generator to which an embodiment of the present invention is applied will be described.

1 is a view for explaining a wave power generation system using a linear generator to which an embodiment of the present invention is applied.

Referring to FIG. 1, it can be seen that the linear generator 104 connected to the buoy 106 performs linear power generation through the movement of the buoy 106 connected to the floating body 100 and the spring 102.

At this time, the motion of the buoy 106 can be expressed as Equation (1).

A: Buoy area, g: Gravitational acceleration, M: Buoyant mass, ma: Additional mass

c: PTO damping, b: radiation damping, K: spring constant

The motion of the wave is irregular and non-linear as shown in Equation (1). The present invention proposes an apparatus for a wave simulation simulator as shown in FIG. 2 to simulate such irregular and non-linear wave motion.

Hereinafter, an apparatus for a wave power simulation wave simulator will be described with reference to FIG.

2 is a configuration diagram showing an internal configuration of an apparatus for a wave simulation simulator for wave power generation according to an embodiment of the present invention.

2, an apparatus for a wave power simulation wave simulator includes a motor 200, an output terminal 202, a generator 204, an inverter 300, and a driver 400 .

The motor 200 of the apparatus for the wave power simulator for wave power generation is constituted by a circular-type load-side motor for simulating the movement of waves, and the generator 204 is configured for a generator function. In addition, the driving unit 400 is included as a driving driver for driving the motor 200 and the generator 204.

The driving unit 400 includes a damping calculation unit 404, a storage unit 402 for storing a damping map, and a converter unit 406. Here, the damping map can be shown as an example as shown in FIG.

FIG. 4 is an exemplary diagram illustrating a speed relationship of a buoy according to PTO damping in an apparatus for a wave simulation simulation according to an embodiment of the present invention. Referring to FIG.

FIG. 4 shows the speed relationship of the buoy according to the PTO damping by interpolating Equation (1).

When the generator-side converter unit 406 controls the generator-side converter unit 406, the speed command value of the next buoy is transmitted to the load-side motor 200 according to the damping at that time to simulate the speed of the wave similarly to the actual system You can. In this manner, the driving unit 400 can store information about the motion of the waves.

The driving unit 400 according to the present invention outputs a control signal for driving the motor 200 and the generator 204 and receives a speed feedback input from the output terminal 202 to receive a next speed command Speed Command) and outputs it to the inverter 300.

The driving unit 400 controls the reciprocating motion of the linear generator 204 to be driven in a clockwise (CW) or counterclockwise (CCW) manner through a load-side motor 200 simulating the motion of a wave.

Generally, the irregular wave velocity profile for expressing the motion of the wave in the no-load state can be shown as shown in FIG. In other words, the movement of the wave in the no-load state can be realized as shown in FIG. 3. However, when the power generation control is performed on the side of the generator 204 according to the present invention, the velocity of the actual system will change according to the movement of the wave.

The method for simulation of wave power for wave power generation according to the embodiment of the present invention has been described above.

At this time, the program recorded on the recording medium can be read and installed in the computer and executed, thereby executing the above-described functions.

In order to allow a computer to read a program recorded on a recording medium and to execute functions implemented by the program, the above-mentioned program may be stored in a computer-readable medium such as C, C ++, JAVA, machine language, and the like.

The code may include a function code related to a function or the like that defines the functions described above and may include an execution procedure related control code necessary for the processor of the computer to execute the functions described above according to a predetermined procedure. In addition, such code may further include memory reference related code as to what additional information or media needed to cause the processor of the computer to execute the aforementioned functions should be referenced at any location (address) of the internal or external memory of the computer .

In addition, when a processor of a computer needs to communicate with any other computer or server that is remote to execute the above-described functions, the code may be stored in a memory of the computer using a communication module of the computer, It may further include a communication-related code such as how to communicate with another computer or a server, and what information or media should be transmitted or received during communication.

Such computer-readable media suitable for storing computer program instructions and data include, for example, magnetic media such as hard disks, floppy disks and magnetic tape, compact disk read only memory (CD-ROM) Optical media such as a DVD (Digital Video Disk), a magneto-optical medium such as a floppy disk, and a ROM (Read Only Memory), a RAM , Random Access Memory), flash memory, EPROM (Erasable Programmable ROM), and EEPROM (Electrically Erasable Programmable ROM). The processor and memory may be supplemented by, or incorporated in, special purpose logic circuits.

The computer readable recording medium may also be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner. In addition, a functional program for implementing the present invention, a code and a code segment associated with the functional program, and the like are provided to programmers in the technical field of the present invention in consideration of a system environment of a computer that reads a recording medium and executes a program Lt; RTI ID = 0.0 > and / or < / RTI >

Each step according to embodiments of the present invention may be implemented by a computer-executable instruction and executed by a computing system. As used herein, a "computing system" is defined as one or more software modules, one or more hardware modules, or a combination thereof that operate in conjunction with performing an operation on electronic data. For example, the definition of a computer system includes a software module such as a personal computer's operating system and a hardware component of a personal computer. The physical layout of the module is not important. The computer system may include one or more computers connected through a network.

Likewise, a computing system may be implemented in a single physical device in which an internal module, such as a memory and a processor, operates in conjunction with performing an operation on the electronic data.

That is, the method for the wave simulation simulation for wave power generation according to the present invention can be implemented to perform the above-described embodiments based on the computing system described below.

Hereinafter, an operating environment of an apparatus for providing a method for simulation of wave power for wave power generation according to an embodiment of the present invention will be described.

5 is a diagram illustrating an operating environment of an apparatus for providing a method for simulation of wave power for wave power generation according to an embodiment of the present invention.

Figure 5 and the following discussion are intended to provide a brief, general description of a suitable computing environment in which the invention may be implemented. Although not required, the invention may be described in connection with computer-executable instructions, such as program modules, being executed by a computer system.

Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The computer executable instructions, associated data structures, and program modules illustrate examples of program code means for carrying out the acts of the invention disclosed herein.

6, an exemplary computing system embodying the present invention includes a processing unit 11, a system memory 12, and various system components including the system memory 12 connected to the processing unit 11 And a system bus 10 for communicating with the system.

The processing unit 11 may execute computer-executable instructions designed to implement the features of the present invention.

The system bus 10 may be any of several types of bus structures including a local bus, a peripheral bus, and a memory bus or memory controller using any of a variety of bus architectures. The system memory 12 includes a ROM (Read Only Memory) 12a and a RAM (Random Access Memory) 12b.

A basic input / output system (BIOS) 13a, containing the basic routines that help to transfer information between components within a computing system, such as during start-up, may generally be stored in ROM 12a.

The computing system may include storage means, for example, a hard disk drive 15 for reading information from, or writing information to, the hard disk, for reading information from or writing information to the magnetic disk And an optical disk drive 17 that reads information from, or writes information to, an optical disk such as, for example, a CD-ROM or other optical media.

The hard disk drive 15, the magnetic disk drive 16 and the optical disk drive 17 are connected by a hard disk drive interface 18, a magnetic disk drive-interface 19 and an optical drive interface 20, respectively, And is connected to the bus 10.

Further, the computing system may further include an external memory 21 as a storage means. The external memory 21 may be connected to the system bus 10 through an input /

The above-described drives and their associated computer-readable media readable and writable by the drives provide non-volatile storage of computer-executable instructions, data structures, program modules and other data.

The exemplary environment described herein illustrates a hard disk 15, magnetic disk 16 and optical disk 17, but may also include magnetic cassettes, flash memory cards, DVDs, Bernoulli cartridges, RAMs Other types of computer readable media for storing data, including ROM, ROM, etc., may be used.

Includes one or more program modules including an operating system 13b, one or more application programs 13c, other program modules 13d, and program data 13c that are loaded and executed by the processing unit 11 The program code means may be stored in the hard disk 15, the magnetic disk 16, the optical disk 17, the ROM 12a or the RAM 12b.

In addition, the computing system may receive commands and information from a user through other input devices 22 such as a keyboard, a pointing device, a microphone, a joystick, a game pad, a scanner,

These input devices 22 may be connected to the processing unit 11 via an input / output interface 24 connected to the system bus 10. The input / output interface 24 may be, for example, a serial interface such as a serial port interface, a PS / 2 interface, a parallel port interface, a USB interface, an Institute of Electrical and Electronics Engineers (IEEE) 1394 interface (i.e., FireWire interface) Any of a variety of different interfaces can be represented logically, or even combinations of different interfaces can be represented logically.

In addition, the computing system to which the present invention is applied may further include a display device 26 such as a monitor or LCD or an audio device 27 such as a speaker or microphone, which may be connected via a video / audio interface 25 And is connected to the system bus 10. For example, other peripheral output devices (not shown), such as speakers and printers, may also be connected to the computer system.

The video / audio interface unit 25 may include a high definition multimedia interface (HDMI), a graphics device interface (GDI), or the like.

Further, the computing system embodying the invention is connectable to a network such as, for example, an office-wide or enterprise-wide computer network, a home network, an intranet, and / or the Internet.

The computer system may exchange data with external sources such as, for example, a remote computer system, a remote application, and / or a remote database.

To this end, a computing system to which the present invention is applied includes a network interface 28 for receiving data from an external source and / or for transmitting data to an external source.

The network interface 28 may be represented by a logical combination of one or more software and / or hardware modules, such as, for example, a network interface card and a corresponding Network Driver Interface Specification ("NDIS") stack.

Likewise, the computer system receives data from an external source via the input / output interface 24 or transmits data to an external source.

Output interface 24 may be coupled to a modem 23 (e.g., a standard modem, a cable modem, or a digital subscriber line (" Receive and / or transmit data to an external source.

Although FIG. 5 shows an operating environment suitable for the present invention, the principles of the present invention may be employed with any system that can implement the principles of the present invention, with appropriate modifications if necessary.

The environment shown in Fig. 5 is merely illustrative and does not represent a small portion of the very diverse environment in which the principles of the present invention may be implemented.

In addition, various information generated during the process for the wave simulation simulation for wave power generation of the present invention can be stored and accessed in any computer readable medium related to the computing system.

 For example, a portion of these program modules and a portion of the associated program data may be stored in the system memory 12, such as in the operating system 13b, the application program 13c, the program module 13d, and / (13e).

Further, when a mass storage device such as a hard disk is connected to the computing system, such program modules and related program data may be stored in the mass storage device.

In a networked environment, program modules associated with the present invention, or portions thereof, may be stored in a remote computer system connected via a modem 23 or network interface 25 of the input / output interface 24. The execution of such a module can be performed in a distributed environment as described above.

As described above, the present specification contains details of a number of specific implementations, but they should not be construed as being limitations on the scope of any invention or claimability, but rather on the particular embodiment of a particular invention But should be understood as an explanation of the features.

Certain features described herein in the context of separate embodiments may be implemented in combination in a single embodiment.

Conversely, various features described in the context of a single embodiment may also be implemented in multiple embodiments, either individually or in any suitable subcombination.

 Further, although the features may operate in a particular combination and may be initially described as so claimed, one or more features from the claimed combination may in some cases be excluded from the combination, Or a variant of a subcombination.

Likewise, although the operations are depicted in the drawings in a particular order, it should be understood that such operations must be performed in that particular order or sequential order shown to achieve the desired result, or that all illustrated operations should be performed.

In certain cases, multitasking and parallel processing may be advantageous.

Also, the separation of the various system components of the above-described embodiments should not be understood as requiring such separation in all embodiments, and the described program components and systems will generally be integrated together into a single software product or packaged into multiple software products It should be understood.

Certain embodiments of the subject matter described herein have been described.

Other embodiments are within the scope of the following claims.

For example, the operations recited in the claims may be performed in a different order and still achieve desirable results.

By way of example, the process illustrated in the accompanying drawings does not necessarily require that particular illustrated or sequential order to obtain the desired results. In certain implementations, multitasking and parallel processing may be advantageous.

The description sets forth the best modes of the present invention and provides examples for the purpose of illustrating the invention and enabling a person skilled in the art to make and use the invention.

The written description is not intended to limit the invention to the specific terminology presented.

Thus, while the present invention has been described in detail with reference to the above examples, those skilled in the art will recognize that modifications, changes, and modifications can be made thereto without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited by the described embodiments but should be defined by the claims.

The present invention can simulate irregular wave motion through a simulator for wave power generation and simulate irregular wave motion through a wave simulator for wave power generation utilizing a simple type of motor-generator set of a simple type It is effective.

Therefore, the present invention can contribute to the wave power generation industry through a method for wave simulation simulation through a wave power generation simulator in a wave power generation system, and it is not only possible to market or operate but also can be practically and practically carried out, There is a possibility.

10: wave 100: floating body
102: spring 104: linear generator
106: Buoy 200: motor
202: output terminal 204: generator
300: inverter section 400:
402: Damping map 404: Damping calculation unit
406:

Claims (6)

A motor driven in accordance with a driving signal;
A generator that performs power generation according to the power generation control signal;
An inverter for outputting the driving signal for driving the motor according to the speed command when a speed command is input;
Wherein the controller controls the generator by outputting the power generation control signal for controlling the damping of the generator to the generator and controls the speed command value of the next buoy according to the damping during the generator control by the speed command, So as to simulate the speed of the wave;
And an output unit for outputting the simulation result. The motor of claim 1, wherein the motor comprises a load-side motor of a circular type for simulating motion of a wave, the generator is configured for a generator function, the motor of the circular type and the generator are constituted as one set, And the wave motion is simulated using a load motor. The driving apparatus according to claim 1,
Wherein the damping control is performed so as to simulate the motion of the buoy during damping control of the generator using a damping map stored in advance. The driving apparatus according to claim 1,
Wherein the controller controls the reciprocating motion of the generator to be driven in a clockwise (CW) or counterclockwise (CCW) manner through the motor simulating the motion of the wave. A step of providing a simulator with a circular-type load-side motor for simulating wave motion, a generator-side motor serving as a generator, and a drive driver;
The driving driver outputting a power generation control signal for controlling damping of the generator to the generator,
Outputting a speed command value of a next buoy according to damping during the generator control to the motor with the speed command to simulate the speed of the wave;
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And outputting the power generation control signal to the generator,
And controlling the driving driver to simulate a buoy motion during damping control of the generator using a damping map stored in advance. 6. The method of claim 5, wherein the step of simulating the velocity of the wave comprises:
And controlling the reciprocating motion of the generator to be driven in a clockwise (CW) or counterclockwise (CCW) manner through the motor simulating the movement of the wave by the driving driver. Method for simulation simulation.

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