Architectures

Emmeskay provides complete vehicle modeling environments suitable for simulation of conventional, hybrid, and other advanced concept vehicles. Emmeskay offers both a Modelica® based vehicle modeling architecture and the MoVE model in Matlab®/Simulink® to support Mode-Based System Development (MBSD) activities at the vehicle system level.  The vehicle modeling architectures are flexible, modular, extensible, and reconfigurable to allow seamless plug-and-play simulation of system variants.  Supported by formal configuration management technologies, these modular architectures give users the ability to rapidly integrate modifications of the plant and controller subsystems into the simulation to assess system-level vehicle response.  The MoVE architecture is a convenient platform for real-time simulations and can support Model-in-the-Loop (MIL), Software-in-the-Loop (SIL), and Hardware-in-the-Loop (HIL) based controller testing and validation. Each architecture enables the distributed development of large system models and is designed to support the integration of user-specific and Emmeskay-provided submodels of varying levels of complexity.

Subsystem Models

Emmeskay offers a wide array of fully parameterized component models for use within the model architectures including representations for the engine, transmission, gearbox, driveline, electric machines, battery/electrical power network, and electrical and mechanical accessories. Integrated into the vehicle modeling architectures, these models support a wide array of drive cycle and maneuver-based simulations for performance, fuel economy, NVH, and thermal/energy management.

Engine Models

Emmeskay offers dynamic engine models of both spark-ignited and diesel engines with varying levels of modeling details to support both controls-oriented and design-oriented applications.  The models are flexible, configurable, and fully parameterized for use in standalone applications or within the Modelica® based vehicle modeling architecture and the MoVE model architecture in MATLAB®/Simulink®. The models can be configured as mean value models for computationally-demanding, real-time applications or with crank angle-resolved physics to support applications which require fluctuating engine torque dynamics.  Models for sensor and actuator dynamics can be included to support ECU development activities.  While typical component data is available for the parameterized models, custom, hardware-specific parameterizations and calibrations can be developed to support modeling of specific engine hardware.

Transmission Models

Dynamic transmission models are available for a variety of conventional, hybrid, and advanced concept transmissions.  Ranging in complexity from simple, kinematic representations to models which include detailed hydraulic behavior, the models can be used to support component and control system design applications.  Depending on the transmission topology and application, the models can be configured to include torque converter dynamics, ratio mechanics, CVT capability, hydraulics response, and shifting dynamics.  While the models are fully parameterized, Emmeskay offers consulting services to provide customized, validated models to represent customer-specific hardware.