© Hitachi America, Ltd. 2015. All rights reserved.

A Brief Technical Overview

Hitachi Co-Simulation Cloud

Heming Chen, Ph.D.Automotive Products Research Laboratory (APL)

Center for Social Innovation (CSI-NA)

R&D Division, Hitachi America, Ltd.

© Hitachi America, Ltd. 2015. All rights reserved.

1. Automotive System Development Challenges

Physical systems Hardware Software

Trend 1 - Fidelity

Trend 2 – CoverageLow High

ECU, Sub-system level (multi-domain) System, vehicle level

Co-simulation

Need for robust, systematic, comprehensive, design platform

Long Dev&Validation

Time

Increasing Complexity

Trends in Automotive Control Systems Automotive Functional Safety Compliance

Separated, Inefficient Development Trends in Simulation Technology

High Cost

==High Cost +

Slow Time to Market

APL Automotive Product Research Laboratory

Mechanical Hydraulic

Present ADAS

Powertrain

Infotainment Convenience

Comfort

Past

FUTURE

Exponential software increase

> 300M lines of s/w by 2020

Autonomous, Connected

26262

Software verification

test cases increase

almost 100-fold

Tests under normal as

well as abnormal / faulty

conditions

© Hitachi America, Ltd. 2015. All rights reserved.

2.1 Hitachi Co-Simulation Cloud Solution

Breaking the walls – Multi-Domain Co-simulation

Example 1: Thermal-electrical system co-simulation

Co-simulation Bus [CosiMate]

Power

Chipset Temperature

Saber Ansys

Electrical

Power Analysis

Thermal

Analysis

© Hitachi America, Ltd. 2015. All rights reserved.

2.1 Hitachi Co-Simulation Cloud Solution (cont’d)

Example 2: Mass Air Flow Sensor (MAFS) flow behavior co-simulation

Co-simulation Bus [CosiMate]

Velocity

Saber STAR-CCM++

Electrical Analysis Mechanical AnalysisMass Air Flow

Sensor

SimulinkS-function

APL Automotive Product Research Laboratory

© Hitachi America, Ltd. 2015. All rights reserved.

2.2 Challenges: Component Level to System Level Co-Simulation

Use Case Study: High-fidelity Multi-ECU Motor Control System*

* To appear in 2016 SAE paper #2016-01-0013

APL Automotive Product Research Laboratory

New Issues

Huge Computing Demand

4 Simulators / PC 4-Core CPU

3 High-Fidelity ECU 2 PC

50+ ECU ? PC

Tedious Manual Configuration 5 Models

4 Simulators / 7 Instances

3 Binary Codes in 3 ECUs

3 Virtual CAN Buses

10 Ports / Each ECU-Plant

10+ Launch Scripts

…

40+ clicks to launch on PC

50+ ECU -> Clicks?

Automation!

Scalable Infrastructure!

© Hitachi America, Ltd. 2015. All rights reserved.

2.2 Hitachi’s Solution: Moving into the Cloud

APL Automotive Product Research Laboratory

Multi-domain high-fidelity co-simulation Cloud Automation Model Database Highly customizable, scalable Vehicle-level co-simulation possible

Features

Benefits Faster development cycle Lower cost Earlier product delivery

…Model Model Model

Prototype

Running

Simulink

VM

Saber

VM

Virtualizer

VM

Manager

VM

Database

Manager

VM Resource

Manager

Gateway

Generic

VM

Co-Simulation Environment

Cloud Manager

…

Target Customers

Web

Browser

Simulation

Software

Test

Scenarios

Test

Results

AutomotiveConstruction Machinery

US 9,075,939 B2

© Hitachi America, Ltd. 2015. All rights reserved.

3. Hitachi Co-Simulation Cloud Demo

APL Automotive Product Research Laboratory

Watch Video

* Virtualizer and Saber licenses were provided by Synopsys during large-scale trial tests on HDS Cloud

Multi-ECU Co-Simulation

on Hitachi Co-Simulation Cloud

© Hitachi America, Ltd. 2015. All rights reserved.

4. Hitachi Co-Simulation Cloud Use Cases

Full Vehicle Level EMC Co-Simulation

Thermo-Electrical Co-Simulation Network Co-Simulation

MAFS Flow Behavior Co-Simulation Mechanical Component Failure Prediction Co-Simulation

Suspension Co-Simulation Spray and Engine CFD Co-Simulation

Engine ECU Co-Simulation (vHILS*)

Multi-ECU Co-Simulation

* vHILS: Virtual Hardware-in-the-Loop Simulation APL Automotive Product Research Laboratory © Hitachi America, Ltd. 2015. All rights reserved.

© Hitachi America, Ltd. 2015. All rights reserved.

5. Next Step

APL Automotive Product Research Laboratory

De

sig

nS

imu

latio

n / V

alid

atio

n

Gateway

Co-Simulation Environment

Private Network CustomerG-WAN WCC

Ultimate Goal Hitachi software

Hitachi hardware

Hitachi analytics

One-Stop Hitachi Solution

DataAnalytics

Pilot Project

on-going

Big Data LabScalability

Web

BrowserSimulation

Software

TestResults

Test Scenarios

Target

Customers

Internet of Things,

Social Innovation

Automotive Aerospace AppliancesConstruction Machinery

Data SystemsCloud

Infrastructure

Large-scale pilot

test completed

Simulink

VM

Saber

VM

Virtualizer

VM

Manager

VM…

DatabaseManager

VM ResourceManager

Cloud Manager

Generic

VM

© Hitachi America, Ltd. 2015. All rights reserved.

Questions/Discussion

© Hitachi America, Ltd. 2015. All rights reserved.

Thank you