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SaberRD® is the industry standard for Robust Design methods for mixed-signal, mixed-domain Power electronic and Mechatronic systems. SaberRD’s highly acclaimed design modeling and powerful simulation tools provide designers the ability to simulate, analyze and verify interactions between multiple physical domains (electrical, magnetic, mechanical, thermal, hydraulic, etc.). With its advanced analysis and modeling capabilities—waveform analyzer, comprehensive model libraries, and multi-language model creation tools—designers can perform optimization, Robust Design, and Functional Safety on virtual prototypes of any system.

 

SABER-MOTOR-DRIVE

This Saber design describes a torque-controlled motor drive. When running a transient analysis, the motor will apply a torque of 10Nm to the inertia load, given by the torque reference.The permanent magnet synchronous motor is powered by a bridge (DC/AC Converter) with ideal switches and diodes. The control-signals for the bridge are generated by the FOC-block (field oriented control), that uses motor-angle and motor-current information as input signals. A battery supplies the system. The motor drive is protected by a fuse. Additionally, a Torque Monitor can be activated that uses the information from a torque-sensor.

 

Saber includes a broad collection of models and tools for simulating complexe systems:

  • Motors and motor drives
  • Power devices and drives – IGBTs, MOSFETs, BJTs
  • Batteries, ultracapacitors, and charging systems
  • Inverters, DC/DC converters, switches, speed controllers, capacitors
  • Mechanical components
 

Mechatronic Design and Verification of Hybrid and Electric Vehicles in SABER

Hybrid electric vehicles combine components from the traditional internal combustion engine powertrain with electronic drivetrain components such as an electric motor/generator, battery pack, and numerous controllers and sensors. Optimizing the power systems in HEVs increases fuel economy and reduces emissions, while still providing sufficient torque to the drivetrain to meet power demand. Saber provides characterized models to accurately simulate mechatronic system interactions. Characterized models ensure comprehensive simulation results that replace or reduce physical prototypes and testing.

 

With Saber, you can also :

  • Analyze power generation and distribution for motor drives and controls, regenerative braking, power assist, etc.
  • Incorporate multi-domain effects at the system level – mechanical, electrical, thermal, and magnetics
  • Design, test, and verify control strategies, power management, torque/speed coupling, and vehicle dynamics
  • Specify and size HEV and EV powertrains and components (motors, controllers, and energy management)

 

field-oriented-control-of-PMSM-electric-vehicle-powertrain

 

The inverter and JMAG-RT motor are modeled in the dq reference frame for speedy simulation of New European Driving Cycles. Open the hierarchy of the FOC symbol to view its implementation. Torque control (instead of speed) can be selected by setting the ctrl parameter to 0 (instead of 1). To predict temperature rise, look-up tables are used for the losses in the motor (frequency dependent iron losses from JMAG) and the inverter (conduction and switching of IGBT's and diodes). These losses impact the distance the car can cover before critical drop of battery voltage.

The software SaberRD is developed by Synopsys and distributed by Powersys in Europe and north America.

 

SaberRD is an intuitive, integrated environment for designing and analyzing power electronic systems and multidomain physical systems. With the proven Saber® simulation technology at its core, SaberRD combines ease of use with the power to handle today’s complex electrical power problems, allowing engineers to explore design performance, optimize robustness and assure system reliability for a broad range of generation, conversion and distribution applications. SaberRD’s true multi-domain physical modeling capability and unmatched analysis capabilities provide engineers with a virtual prototyping platform that supports complete system design. With an intuitive and flexible user interface for casual and expert users alike, SaberRD accelerates design for engineering organizations in automotive, aerospace, defense and industrial power.

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