Design of Long stator linear motor drives

 The design of long stator linear motor drives for railcab test track
 http://wwwlea.uni-paderborn.de/fileadmin/Elektrotechnik/AG-LEA/forschung/veroeffentlichungen/2005/05jpe-grotstollen.pdf

A doubly fed  synchronous long stator linear motor (LSM/ Linear synhronous motor)
the primary & secondary are fed by current controlled inverter (setting of amplitude,frequency,phase of the currents)
The travel in convoy form at 160 km/h
React of  the conventional switches using the active steering of the vehicle
The railcab max. speed  = 10m/s controlled by radio frequency

German Transrapid , Japanese Maglev => Division of track into fed sections
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mechatronic design of a moduler railway carriage
 http://wwwlea.uni-paderborn.de/fileadmin/Elektrotechnik/AG-LEA/forschung/veroeffentlichungen/1999/99aim-lueckel-grotstollen-jaeker-henke-liu.pdf

- The railway Vehicle is driven by a linear drive,with an active suspension/tilt system.
- modern traffic engineering system
- kinematic & dynamik & mechatronic function
- hierarchical & modularization structuring
- Autonomous Mechatronic System (AMS)
- Cross-linked Mechatronic System(CMS)

- Mechatronic Railway System (modular system of a railway carriage)

• conventional railway rail/wheel system               : Supporting & Guiding & Driving 
• modular, mechatronic railway system                : Drive- brake module & Suspension- tilt module & Supporting - guiding module. 
• the drive of the railway carriage 
• control of  longitudinal & lateral & vertical dynamics
• vertical direction Z (yaw) / longitudinal direction X (tilt) / lateral direction Y (pitch)
• vertical , tilting , lateral motions
• Kinematic & static & dynamical behaviour of the system (CAMel computer aided mechatronics)
• The linear motor is complex electromechanical system : the stator between the rails & the rotor mounted on the undercarriage.
• Primary & Secondary are interlinked magnetically by the air gap. 

- Active Suspension / Tilt Module : all passive damper in the secondary suspension of conventional railway suspension system will be eliminated.
- A passive airspring of the carriage body
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design of a railway carriage,driven by a linear motor with active suspension/tilt module
http://wwwlea.uni-paderborn.de/fileadmin/Elektrotechnik/AG-LEA/forschung/veroeffentlichungen/2000/00ifac-henke-liuhenke-lueckel-grotstollen-jaeker.pdf

The principle of the force-closed drive via contact of wheel and rail
- the velocity & friction will increase , the force will decrease in the icy rails
- a system driven by a linear motor : a frictionless drive of the vehicle
- german high-velocity system transrapid: the ombination of the linear drive & magnetic levitation
- japan based HSST
- automated modular railway system : linear motor driven railway carriage
- travelling magnetic field : contact free via the linear drive,not via the contact between wheel & rail.

•  Drive & brake module             : the startup & brake a carriage wear free.
• Active suspension & tilt module : the suspension of the coach body.
• support&guidance module         : use of the railway wheel/rail technology

-  thrust build up in the linear motor
- model of the double/fed linear motor
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- Entwurf  eines Eisenbahnfahrwerks mit aktiver Feder /Neigetechnik und Linearmotorantrieb