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: IntroductionHistorical overview of transmission evolutionTypes of transmissions: AT, CVT, DCT, AMTSection 2: Hardware OverviewTorque converter construction & operationGear sets, clutches, band brakesDynamic wet clutch assembliesSection 3: Torque Converter SystemsK-Factor, coupling point, and torque multiplicationLock-up clutch strategy and slip controlCPA and NVH optimizationSection 4: Hydraulic and Electro-Hydraulic ControlValve body and pressure regulatorsPWM solenoids, input/output sensorsLock-up solenoids and thermal compensationSection 5: Transmission Control Unit (TCU)TCU architecture, signal processing, and memoryCAN communication with ECU and ESPAdaptive software logic and shift schedulingSection 6: Clutch-to-Clutch ControlBite point, torque transfer, and clutch fillOverlap/underlap errors and shift shockPressure control vs. accumulator systemsSection 7: Shift Quality and CalibrationSubjective vs. objective shift qualityVDV and AVL DRIVE measurement techniquesIn-vehicle vs. rig calibration methodsSection 8: Review & Engineering Case StudiesSummary of key control strategiesCommon failure modesCase examples: shift shock, torque error, slip diagnosticsWhy Take This Course?Knowing how something works is not enough; you need to understand why it 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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