Automatic Transmission

Engineering Control Systems

What you'll learn
- Identify and explain all major automatic transmission components
- Understand torque multiplication, NVH damping, and lock-up clutch control
- Analyze the role of electro-hydraulic control systems and pressure solenoids
- Interpret clutch curves, torque-to-pressure mapping, and adaptive calibration
- Apply shift quality targets using AVL DRIVE and VDV metrics
- Evaluate TCU interfacing with ECU/ESP and manage control logic issues

Requirements
- No prior transmission experience required, but technical aptitude is essential
- Basic knowledge of mechanical engineering or mechatronics
- Familiarity with basic automotive systems

Description
Are you an engineer working in automotive, powertrain, or systems integration who wants a deeper, more applied understanding of automatic transmissions?

This course is engineered for professionals needing technical depth, exploring the interplay of mechanical, hydraulic, and electronic systems that drive modern automatic transmissions.

You'll gain actionable insight into torque converters, clutch control, electro-hydraulic actuation, and Transmission Control Unit (TCU) software logic. Whether you work in calibration, diagnostics, component design, or vehicle integration, this course bridges theory and practice.

Key Topics Covered:

Section 1: Introduction

Historical overview of transmission evolution

Types of transmissions: AT, CVT, DCT, AMT

Section 2: Hardware Overview

Torque converter construction & operation

Gear sets, clutches, band brakes

Dynamic wet clutch assemblies

Section 3: Torque Converter Systems

K-Factor, coupling point, and torque multiplication

Lock-up clutch strategy and slip control

CPA and NVH optimization

Section 4: Hydraulic and Electro-Hydraulic Control

Valve body and pressure regulators

PWM solenoids, input/output sensors

Lock-up solenoids and thermal compensation

Section 5: Transmission Control Unit (TCU)

TCU architecture, signal processing, and memory

CAN communication with ECU and ESP

Adaptive software logic and shift scheduling

Section 6: Clutch-to-Clutch Control

Bite point, torque transfer, and clutch fill

Overlap/underlap errors and shift shock

Pressure control vs. accumulator systems

Section 7: Shift Quality and Calibration

Subjective vs. objective shift quality

VDV and AVL DRIVE measurement techniques

In-vehicle vs. rig calibration methods

Section 8: Review & Engineering Case Studies

Summary of key control strategies

Common failure modes

Case examples: shift shock, torque error, slip diagnostics

Why Take This Course?Knowinghowsomething works is not enough; you need to understandwhyit works the way it does.

Who this course is for:
- Are you a professional engineer working in automotive, powertrain, or vehicle integration? Then this course is for you.
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