Efficient Modeling of Automatic Gear Selection Using ...

[Pages:25]Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

Shivakumar Katukam Nagesh Srikanth Rajeev P A

Transmission Control Systems development Robert Bosch Engineering and Business Solutions Ltd

1

Confidential | Shivakumar | 10/7/2014 | ? Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding

any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

About RBEI

154

Patents filed

Avionics

1998

$500 Mio

Year of foundation

100%

Subsidiary of Bosch

7 Countries

Revenue

Level 3

4 Development C entres

ASPIC E

Engineering Enterprise

Automotive Manufacturing

Facts & figures

13000

Locations

6 Sales offices

Facts & figures

Level 5

Offerings

Domains

Associates

2013 data

C MMI

Business Services

Healthcare

2

Confidential | RBEI/SAM-MKT | 10/7/2014 | ? Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also

regarding any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

Objective

To develop Control software for Automatic Transmission system

Within a short time (starting from scratch) To reuse this SW as a platform that is easily customizable to

different gearbox & vehicles

3

Confidential | Shivakumar | 10/7/2014 | ? Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding

any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

Gear Box Model

SimDriveline

Simulink

Control Model

Integrated model with cCoonntrtroolller eavnnavMdliirdovoadenteihoml incelent

Vehicle Model

SimDriveline / SimHydraulics

Embedded Coder

? Code

Hardware Simulation

Generation

? Flashing on controller

? Testing ? Getting real

PC Simulation

time inputs

? Providing to integrated

model

? Testing

4

Confidential | Shivakumar | 10/7/2014 | ? Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding

any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

Agenda

Transmission Overview Transmission Classification Step Automatic Transmission Transmission Control Unit Gear Selection Strategy Integration and Testing Conclusion

5

Confidential | Shivakumar | 10/7/2014 | ? Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding

any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

Transmission Overview

Transmission is a link between engine and wheels Transmit power from the engine to the driving wheels at an

appropriate speed Provides more than one gear, without this cars would be limited to

one gear ratio

Pict ure from How St uff Works

6

Confidential | Shivakumar | 10/7/2014 | ? Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding

any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

Transmission Classification

MT(Alto 800) AT(Verna) AMT(Celerio) DCT(Octavia) CVT(Jupiter)

Automatic Transmissions

7

Confidential | Shivakumar | 10/7/2014 | ? Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding

any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

Efficient Modeling of Automatic Gear Selection Using MathWorks Tools

Step Automatic Transmission

Three major Automatic Transmission configurations are

Simpson planetary gear sets Ravigneaux planetary gear sets Lepelleiter planetary gear sets

These configurations can be modeled using MathWorks SimDriveline

8

Confidential | Shivakumar | 10/7/2014 | ? Robert Bosch Engineering and Business Solutions Limited 2014. All rights reserved, also regarding

any disposal, exploitation, reproduction, editing, distribution, as well as in the event of applications for industrial property rights.

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download