Developing Intelligent Powertrain Control Mechanisms, says Sedemac Mechatronics CTO Amit Dixit
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Developing Intelligent Powertrain Control Mechanisms, says Sedemac Mechatronics CTO Amit Dixit

Developing Intelligent Powertrain Control Mechanisms
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Pune-based Sedemac Mechatronics has been developing a host of technologies to step up vehicle performance with smaller engines as its core focus area across two and three wheelers 

Electronics and electricals are fast expanding base in the automobile industry. Thus it is important to ensure right behavioural control in the powertrain area for optimal vehicle performance. Pune-based Sedemac Mechatronics started off as a lab-based enterprise out of IIT Bombay innovation labs by four students under the guidance of Prof Shashikanth Suryanarayanan and kept smaller engine optimisation as its core focus area. Auto Tech Review spoke with Amit Dixit, Co-Founder & Chief Technical Officer, Sedemac Mechatronics, to delve deeper into company’s approach in developing intelligent powertrain behaviour control solutions.

SMART POWERTRAINS
The implementation of BS 6 norms is all set to make vehicles more sophisticated, and the automotive industry is bracing up for deeper penetration of electronics across segments. Sedemac Mechatronics has been focussing on developing a host of technologies aimed at reducing complexities in multiple segments for smart powertrain control. The company has developed Integrated Starter Generator (ISG) that eliminates the use of two different machines such as battery and alternator and can be used alone to execute functions of starting the engine as well as for power generation. The ISG applies electromagnetism principles to develop a sensor-less application and makes use of a standard brushless magneto as the starter and is governed by a micro-processor for intelligent electronic control to manage power flow to & fro among machine and battery. ISG controller offers vastly improved reliability to the end user at a much lower system cost and complexity coupled with fuel savings, said Dixit. Such a cost-effective solution paves the way for newer applications, where a sensor-based approach could not penetrate due to high temperature operating conditions, the company claimed.

Also Read: Optimize the NVH of downsized engines

TWO-WHEELERS AT THE CORE
Sedemac has also developed Smart Ignition load estimation technology that controls ignition in the dominant carburettor-based scooters and motorcycles as well as intelligently controls spark ignition timing through spark sensors via software. Smart Ignition enables precise execution of ignition timing through real-time as well as dynamic load estimation, thus ensuring optimal engine performance under varying speed and load conditions, observed Dixit. This enables OEMs to better decide their ignition maps and manage enhanced fuel economy as well as derive better performance out of the vehicle. Smart Ignition is available as a standalone licensed software as well as a package of ignition hardware and licensed software. Sedemac has already supplied over 18 mn systems for two-wheelers across India since its launch in India in 2013.

ROUND-UP
The company has also been capitalising on its presence in powertrain controls to build capacities for serving the electric vehicle (EV) market. The company has been engaged in developing Battery Management Systems (BMS) that incorporates algorithms for thermal protection of batteries, cell balancing, battery state estimation such as charge & health monitoring, and current control during charging for higher energy efficiency and develop compact controller hardware for EVs. Sedemac has also set-up a technical centre that currently has a team of 120 engineers for core engineering and product developments based on control system simulations.

Read More: Advanced In-Cylinder Simulation using STAR-ICE