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Designing Regenerative Brake Control Algorithms Using Simulation

Name: Steve Miller

Company: MathWorks

Presentation Title: Designing Regenerative Brake Control Algorithms Using Simulation (EB2020-STP-068)

Session: Brake Control, Friday 21 May 2021, 09:00 - 10:40 (Central European Summer Time - CEST)

What do you find most interesting about the topic of your presentation?

The interaction between mechanical, electrical, terrain, software, and driver behavior creates an extremely interesting optimization challenge. Understanding how the systems interact is critical to understanding how to size the components and set up the algorithm.

When discussing this topic with industry peers, what question are you most frequently asked? How do you answer it?

A very common question is how detailed do the component models need to be (brakes, inverter, battery, cooling system) in order to improve the design. My answer is that ideally the model needs to be tailored so it has just enough detail to answer the question. That ensures the model will run quickly so that the design space can be more fully explored. For example, the battery can usually be modelled with an equivalent circuit model or a lookup table if you have measured data, and the friction model in the brakes can be abstract but will often need at least a high-level comparison to real-world data, especially if thermal effects are considered.

Who do you think will be most interested in your presentation, and who would you most like to ask questions about it?

I believe engineers who are looking at braking systems at the system level will be most interested in this topic. Exploring interactions between different physical systems and control algorithms under a wide range of conditions is best done using simulation. I would be very interested to hear questions from engineers working in electric vehicles to find out what questions simulation could help them answer.

What specific topics or technology are you hoping to see in other presentations or in the exhibition?

Chassis control systems that involve the brakes are interesting to me for that is where I have the most experience. Use cases for simulation, and challenges associated with it, are also interesting to me. Any regenerative technology would also fit well into the rapid development of electric vehicles.

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About Steve Miller.

Steve Miller is responsible for the technical marketing of the Simscape product family at MathWorks. Steve joined MathWorks as an Application Engineer in 2005 and moved to product management in 2006. Prior to that, Steve worked at Delphi Automotive in Braking Control Systems and at MSC.Software Adams consulting in various capacities at Ford, GM, Hyundai, BMW, and Audi. Steve has a B.S. in Mechanical Engineering from Cornell University and an M.S. in Mechanical Engineering from Stanford University.

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