초록 ▼

(목적)
-설계속도 550km/h 자기부상열차 차량 핵심기술 개발
-(핵심기술)자기 부상/안내 시스템
(목표)
-설계속도 달성은 위한 부상, 안내, 제동 및 전력공급장치 개발
-핵심성능 확인을 위한 실형 실험차 제작 및 성능 확인
(성과)
-부상/안내 방식: 상전도흡인식(EMS, 전자석 제어)
-추진 방식: 선로 고정자식 선형동기전동기(LSM)
-부상자석: 추력 변동 최소화 설계를 통한 부상성능, 승차감 향상
-부상제어기: 2중화 개념 일부 적용
-부상/안내/와전류제동 시스

(목적)
-설계속도 550km/h 자기부상열차 차량 핵심기술 개발
-(핵심기술)자기 부상/안내 시스템
(목표)
-설계속도 달성은 위한 부상, 안내, 제동 및 전력공급장치 개발
-핵심성능 확인을 위한 실형 실험차 제작 및 성능 확인
(성과)
-부상/안내 방식: 상전도흡인식(EMS, 전자석 제어)
-추진 방식: 선로 고정자식 선형동기전동기(LSM)
-부상자석: 추력 변동 최소화 설계를 통한 부상성능, 승차감 향상
-부상제어기: 2중화 개념 일부 적용
-부상/안내/와전류제동 시스템: 실차용 시스템 설계와 제작
-대차: 일부 전자석 손상에도 안정성 유지 구조
-DC/DC 컨버터: 고속 스위칭소자 적용하여 경량화
-SIV(보조전원장치): 경량화
-차체: 2ton/m 이하 경량화
-실차급 실험차량 제작: 시스템 통합에 의한 실험차량 제작
-550km/h 부상성능 간접 확인(시험선 길이 150m)
-성능시험: 부시스템들에 대한 요구성능 만족 확인 시험
(기대성과 및 활용계획)
-시제품 개발을 위한 핵심 기술 확보
-부시스템기술 타분야 적용
실형 자기부상 실험차량

Abstract ▼

Ⅲ. Results
1. Specification of the test vehicle
Design speed
550 km/h
Overall length
13 m
Levitation system
Electromagnetic suspension
Guidance system
Electromagnetic suspension
Brake system
Electric braking including regenerative braking system(LSM based electro

Ⅲ. Results
1. Specification of the test vehicle
Design speed
550 km/h
Overall length
13 m
Levitation system
Electromagnetic suspension
Guidance system
Electromagnetic suspension
Brake system
Electric braking including regenerative braking system(LSM based electromagnet)
Mechanical braking (emergency, skid)
Propulsion
Linear synchronous motor
Airgap for levitation
10 mm(nominal)
±3 mm(variation)
20 mm(landing)
Airgap for guidance
10 mm (nominal)
±3 mm(variation)
Acceleration/Deceleration for propulsion
1.1 m/s2
Mass of carbody
12,576 kg
Mass of bogie
10,500 kg
Stiffness of the second suspension (air spring)
73,689 N/m
Damping of the second suspension (air spring)
15,600 Ns/m
Number of levitation magnet set
6
Required levitation force
49kN/Set
Number of eddy current braking magnet set
2
eddy current braking force
4kN/Set
Number of guidance magnet set
4
Required guidance force
3.5kN/Set
2. Contents and results of the research
1st year
▪Design and analysis of Levitation magnet/ guidance magnet/ eddy current brake magnet
▪Design of full-scaled magnets
-Design of full-scaled Levitation magnet/Guidance magnet
-Design of full-scaled Eddy current brake magnet
*Levitation magnet : required levitation force: 5ton/set, required propulsion force: 3.5kN/set, airgap (landing): 18mm, airgap (nominal) 10mm, maximum airgap variation: ±5mm
*Guidance magnet : 1.5ton/set, airgap (nominal): 10mm
*Eddy current brake magnet : 1.75kN/set
▪Analysis of full-scale magnets
-Analysis of levitation magnet (required levitation force) and guidance magnet (required guidance force)
-Analysis of eddy current brake magnet (required braking force)
-Analysis of temperature characteristics of levitation/guidance/eddy current brake magnets
▪Design and analysis of levitation/ guidance/ eddy current brake magnet driver
▪Design of levitation/ guidance/ eddy current brake magnet driver
-Design of sensor interface circuits (accelerometer, gap sensor, voltage/current sensors)
-Basic design of levitation/guidance/eddy current brake magnets with consideration of redundancy concept
-Design of 2-quadrant current driving chopper
▪Analysis of levitation/guidance/eddy current brake magnets
-Analysis of sensor interface circuits
-Analysis of levitation/guidance control performance
-Analysis of performance of the 2-quadrant current driving chopper
▪Development of bogie structure with consideration of fail-safe concept
▪Search related patents and papers for super-speed maglev vehicle (including Transrapid, Germany)
▪Design of bogie for super-speed maglev and second suspension system
- Bogie stricture and components: Reliable bogie structure that can guarantee the operation even if some of magnets and controllers fail, side frame for attacking levitation/guidance magnets, second suspension system, etc.
- Design of bogie structure and components
* Size of bogie : L3,800×W3,500×H1,500
* Number of bogie : 2 set
* Curve tracking ability
- Static analysis of bogie structure
* Normal force, bending force, etc.
* Modal analysis
▪Development of DC/DC converter which uses more than 30KW of high frequency switching for super-speed maglev
▪Power supply for control units (DC 100V)
▪Power supply for levitation/guidance/eddy current brake magnets (DC 350V) and battery charging (DC 350V)
▪Power supply for battery charging (DC 350V)
▪System design to improve the energy efficiency
* Improve the energy efficiency by using two-way converter
* Improve the energy efficiency by using high frequency switching electric components and control technology
▪Propose required specification of power supply system
▪Power supply for control units
▪Power supply for levitation/guidance control units and DC/DC converter
▪Static inverter (air conditioning and heating, etc.)
▪Analyse and calculate capacity
▪Design car control system
▪Design of central control device
▪Design of monitoring device
▪Design of required specification of interface units
▪Design of miniaturized and light auxiliary power system
▪Design of sequence and control algorithm
▪Design of radiator
▪Detail design of main circuit
▪Design of external interface circuit
▪Design of electrical box for miniaturization and light weight
-Less than 95% weight compared to conventional SIV system
▪Design of carbody
▪Design of car body of test vehicle
- Module-based deign for light weight and easy for maintenance
* Light wight : Less than 90% weight compared to conventional model
- Dynamic analysis of the car body to validate super-speed operation
▪Design and production of carbody including front/rear/roof frame (aluminum extrusion material and composite material)
▪Design of mechanical braking system
▪Design of mechanical braking system
▪Development of system integration technology
▪Basic design of car control system
▪System integration and design of interface with railway
▪Performance test standards
▪Search and analyse performance test standards for super-speed maglev
- carbody, bogie, electric components, power units, propulsion, communication, etc.
▪Investigate performance test standards for urban maglev
- carbody, bogie, electric components, power units, propulsion, communication, etc.
▪Propose performance test standards for super-speed maglev
- carbody, bogie, electric components, power units, propulsion, communication, etc.
▪Development of realtime monitoring system
▪Investigate realtime monitoring system for super-speed maglev
-Levitation/guidance airgap, voltage, current, temperature, etc.
▪Propose required specification of realtime monitoring system
▪Design of realtime monitoring system

2nd year
▪Detail design and production of levitation/guidance/eddy current braking magnets
- detail design and dynamic analysis of full-scaled magnets
- production of full-scaled magnets
▪ Levitation force analysis of full-scaled levitation magnet
▪ Guidance force analysis of full-scaled guidance magnet
▪ Braking force analysis of full-scaled eddy current braking magnet
▪ Propose detail drawings of full-scaled levitation/guidance/eddy current braking magnets
▪Production of full-scaled magnets
▪Detail design and manufacture of levitation/guidance/eddy current brake magnet drivers
-Electrical performance/detail design of levitation/guidance/eddy current brake magnet drivers
▪Electrical performance/detail design of levitation/guidance/eddy current brake magnet drivers
-Analysis of levitation control performance of two-bogie system
-Analysis of guidance control performance
-Detail design of controller and chopper
▪Manufacture of levitation/guidance/eddy current brake magnet drivers
-Manufacture of levitation/guidance/eddy current brake magnet drivers
-Manufacture of levitation/guidance/eddy current brake controller
-Manufacture of 2-quadrant current driving chopper
-Operating test of magnet driver
▪Performance test standards
-Performance test standards of levitation/guidance/eddy current brake system
-Performance test standards of bogie system
▪Establish performance test standards of levitation/guidance/eddy current brake system and bogie system
-Establish performance test standards of levitation/guidance/eddy current brake system
-Establish performance test standards of bogie system
▪Detail design and manufacture of bogie system for maglev considering fail-safe
-Detail design of bogie mechanism and second suspension system for super-speed operation
-Design of device considering safety and emergency
-Design and manufacture of test-bed for performance test of bogie
▪Detail design of components of bogie system
- Levitation frame chassis
- Lateral connecting frame
- Longitudinal connecting frame
- Weight supporting device and anti-roll stabilizer
- Bracket to install levitation/guidance/eddy current brake magnet
- Cowcatcher to remove foreign substance on the track
▪Consider safety and emergency in the case of levitation failure
▪Order components of the bogie
▪Design of depot
▪Design pneumatic & air distribution system
-Design air distribution system for second suspension system
▪Design air distribution system for second suspension system
▪Design high frequency DC/DC converter (more than 50kW)
▪Detail design and manufacture of high frequency DC/DC converter (more than 50kW)
▪Power supply system
-Construct power supply system including battery charging system
▪Detail design and manufacture of power supply system including battery charging system
▪Car control system
▪Manufacture of car control system
-Manufacture of car control system
-Manufacture car monitoring system and self-diagnosis system
-Software coding
▪Manufacture of miniaturized
▪Manufacture of miniaturized and light auxiliary and light auxiliary power supply
-Assemble each unit and performance verification
-Design and manufacture of control system
-Design of auxiliary power supply power supply
-Assemble each unit and performance verification
-Design and manufacture of control device
-Manufacture of auxiliary power supply
▪Manufacture of test vehicle
-Manufacture of test vehicle forehead
-Manufacture of driver’s cabin
-Manufacture door system
-Manufacture of the underframe of the vehicle
-Assemble the vehicle
▪Detail design and manufacture of each
components of the vehicle
-Manufacture of test vehicle forehead
-Manufacture of driver’s cabin
-Manufacture door system
-Manufacture of the underframe of the vehicle
-Assemble the vehicle
▪Manufacture of mechanical braking system
▪Detail design and manufacture of mechanical braking system
▪Development of system integration technology
-Manufacture of panel board for test vehicle
-Manufacture of heating and cooling system
-Manufacture of external power supply device
▪Development of system integration technology
-Detail design and manufacture of panel board for test vehicle
-Detail design and manufacture of heating and cooling system
-Detail design and manufacture of external power supply device
▪Evaluate performance of chassis and electric components for super-speed maglev
▪Establish a plan for performance of chassis and electric components
▪Evaluate performance of chassis and electric components for super-speed maglev
▪Detail design and manufacture of the real time monitoring system
▪Detail design of the realtime monitoring system
-Channel allocation for levitation/guidance airgap, voltage, current, temperature, etc
-Planning installation and operation of realtime monitoring system

3rd year
▪Evaluate levitation/guidance control system
▪Evaluate levitation/guidance control system on the testbed
-Performance test standards for levitation/guidance control system (including redundancy concept)
-Improve levitation/guidance control system
-Improve bogie system
▪Manufacture of bogie system considering fail-safe and build a test-bed to test the performance of levitation/guidance control system
▪Manufacture of bogie system (on going)
-Bracket to install guidance/eddy current braking magnets
-Manufacture of skid for mechanical braking system
▪Build a test-bed to test the performance of levitation/guidance control system
▪Performance test standards
▪Establish performance test standards for each components
-Establish performance test standards for chassis/ electric components/ bogie/ carbody/propulsion/ signal/ communication/ etc.
▪Test and evaluate chassis and each electric components (on going)
▪Test and evaluate high frequency DC/DC converter (more than 30kW)
▪Evaluate performance of car control system
-Test car control system
-Test realtime monitoring system and self-diagnosis
▪Evaluate performance of miniaturized and light auxiliary power supply device
▪Evaluate mechanical braking system
▪Manufacture and test realtime monitoring system
▪Manufacture realtime monitoring system
-Test realtime monitoring system on the test-bed
▪Classification of system failure and establish detection method

4th year
▪Test and evaluate levitation/guidance control system
▪Test and evaluate levitation/guidance control system
▪Test and evaluate levitation control system on the test track
-Test and evaluate bogie system on the test track -Test item : stability, riding comfort, etc.
▪Check the levitation system on the test track
▪Evaluate performance test standards on the test track
▪Test and evaluate high frequency DC/DC converter (more than 30kW) on the test track
▪Test and evaluate DC/DC converter
▪Test car control system, car monitoring system and self-diagnosis
▪Test and evaluate miniaturized and light
▪Test and evaluate car control system on the test track
-Test car control system on the test track
-Test monitoring system and self-diagnosis on the test track
▪Test and evaluate miniaturized and light auxiliary power supply device on the test track
▪Test and evaluate mechanical braking system on the test track
▪Based on the dynamic analysis of maglev at low speed, simulate and estimate the performance at super-speed auxiliary power supply device on the test track
▪Test and evaluate mechanical braking system on the test track
▪Based on the dynamic analysis of maglev at low speed, simulate and estimate the performance at super-speed
▪Test and evaluate performance test standards on the test track
▪Evaluate system performance
▪Performance test standards
-Vehicle: levitation/guidance, emergency braking, eddy current magnet brake, power supply units
-Guideway: deflection, bending, lateral alignment, vertical alignment
-Propulsion system: maximum speed, maximum propulsion force, maximum acceleration, maximum deceleration, position/velocity estimation, communication
-Electric power system: converter, inverter, propulsion power system, energy saver
-Overall test: indoor/outdoor noise, vibration, riding comfort, leaking flux, train controller and monitoring system
▪Evaluate performance test
▪Manage realtime monitoring system
▪Analysis of data from realtime monitoring system and classify system failure
▪Manage realtime monitoring system

목차 Contents

• 표지 ... 1
• 제 출 문 ... 2
• 보고서 요약서 ... 3
• 요 약 문 ... 5
• Summary ... 16
• 목 차 ... 30
• 표 차례 ... 36
• 그림 차례 ... 40
• 제1장 연구개발과제 개요 ... 57
• 제1절 목적 및 필요성 ... 57
• 1. 초고속 자기부상 차량시스템? ... 57
• 2. 필요성 ... 58
• 3. 목적 ... 61
• 제2절 연구개발의 정의, 범위, 특징 ... 63
• 1. 정의 ... 63
• 2. 연구개발의 범위 ... 63
• 3. 연구개발의 특징 ... 67
• 제3절 관련분야의 국내외 기술개발 현황 ... 68
• 1. 국내 기술개발 현황 ... 68
• 2. 국외 기술개발 현황 ... 69
• 제4절 연구개발결과가 관련분야에서 차지하는 위치(연구개발결과의 우수성 및 차별성을 중심으로) 등 ... 86
• 1. 연구개발의 우수성 ... 86
• 3. 연구개발의 차별성 ... 87
• 제2장 연구개발 수행 내용 및 결과 ... 89
• 제1절 차량시스템 일반 ... 89
• 1. 차량 규격 ... 89
• 제2절 자기부상/안내/제동시스템 ... 96
• 1. 개요 ... 96
• 2. 목표 ... 97
• 3. 개발내용 요약 ... 98
• 4. 상세 개발 내용 ... 103
• 제3절 대차시스템 ... 343
• 1. 개 요 ... 343
• 2. 목 표 ... 343
• 3. 대차 기술 개발내용 요약 ... 344
• 4. 대차시스템 상세개발내용 ... 345
• 5. 대차시스템 기술개발 결과 및 검증 ... 346
• 제4절 차체 ... 459
• 1. 개요 ... 459
• 2. 목표 ... 459
• 3. 개발 내용 요약 ... 459
• 4. 상세 개발 내용 ... 460
• 제5절 전장품 ... 518
• 1. 개요 ... 518
• 2. 목표 ... 518
• 3. 개발 내용 요약 ... 518
• 4. 상세 개발 내용 ... 520
• 제6절 상시계측 ... 588
• 1. 개요 ... 588
• 2. 목표 ... 588
• 3. 개발 내용 요약 ... 588
• 4. 상세 개발 내용 ... 590
• 제7절 종합성능시험 ... 621
• 1. 개 요 ... 621
• 2. 목 표 ... 621
• 3. 종합성능시험 기술 개발내용 요약 ... 622
• 4. 종합성능시험 상세개발내용 ... 623
• 5. 종합성능시험 기술개발 결과 및 검증 ... 624
• 제3장 최종 연구성과 및 적용실적 ... 726
• 제1절 부상제어 기술 ... 726
• 1. 기술 개요 ... 726
• 2. 핵심요소기술별 성과물 ... 729
• 3. 주요 연구성과 ... 740
• 4. 기술 실시 및 적용사례 ... 742
• 5. 기술개발 성과의 국내외 시장 전망 ... 743
• 제4장 연구목표 달성 및 효과 ... 744
• 제1절 연구개발 최종목표 달성도 ... 744
• 제2절 연구개발 성과의 기술적 효과분석 ... 745
• 가. 핵심기술 확보 ... 745
• 나. 필요한 시스템 기술 규격 파악 ... 745
• 제3절 연구개발 성과의 경제적 효과분석(시장창출, 고용창출 등) ... 746
• 가. 직접적 경제효과 ... 746
• 나. 간접적 경제효과 ... 746
• 제4절 연구개발 성과의 정책적 효과분석 ... 747
• 제5장 연구성과의 활용 및 추가연구 필요성 ... 748
• 제1절 연구성과 향후 활용방안(기술실시계획, 판매계획, 사업화 추진방안, 신기술 신청, 정책반영 계획 등, 기존 연구 및 타연구와의 연계 등) ... 748
• 제2절 추가연구 필요성 등 ... 748
• 가. 핵심기술에서 시제품 수준으로 발전 ... 748
• 나. 고유모델 개발 ... 748
• 다. 경제적 선로 연구 부재 ... 748
• 라. 연속성 유지 ... 749
• 마. 국가 이미지 제고 ... 749
• 바. 타분야 적용에 의한 조기 상품화 ... 749
• 참고문헌 ... 750
• 부 록 ... 751
• 끝페이지 ... 753