Speed Controller TRIZ Cases
- Hybrid Propulsion Boost Converter Power Splitting
A boost converter manages power distribution between a battery and ultracapacitor, resolving low driving train efficiency caused by fast dynamics.
- Electric Vehicle Braking Control for Pitching Suppression
A control apparatus coordinates regenerative and frictional braking forces to maintain consistent deceleration feeling during vehicle stops.
- Four Wheel Drive Driveline Gear Shifting Without Stopping
Electric machine output reduction enables seamless high to low gear range transitions in four wheel drive vehicles.
- Drive Source Control Device for Vehicle Stability
A drive source control device adjusts torque command values to suppress excessive rotation speed of individual drive sources.
- Vehicle Control Apparatus Regenerative Braking Coordination
Dynamic regenerative force distribution reduces power consumption during deceleration while maintaining creep performance on uphill slopes.
- Active Discharging Module for Electric Car DC-Link Safety
An active discharging module automatically removes stored energy from an electric car DC-link capacitor using a power switching transistor.
- Shift Range Control Device Abnormality Handling
A shift range control device manages motor winding energization using dual sensor inputs for precise position tracking.
- Multiple Inverter System for Electric Machine DC Bus Ripple
A multiple inverter system uses phase-shifted PWM signals to reduce DC bus current ripple, allowing smaller capacitors.
- Distributed Power Train Control System Automation
An intelligent distributed power system reduces operator workload by calculating optimized throttle settings based on track data.
- Vehicle Torque Vectoring for Regenerative Braking
Controller increases front wheel torque difference during cornering to maximize regenerative energy recuperation.
- Electric Drive Unit Regeneration for Mini-Excavator Energy Recovery
Regeneration control charges the electricity storage device by converting motor rotor inertial force, extending operating time despite limited battery space.
- Drive Motor Control System for Machine Drift Reduction
A drive motor control system generates a de-rated torque command signal to reduce rotational speed response near zero speed.
- Motor Controller Torque Calculation for Ramp Parking Stability
A motor controller generates assist torque using rotor position and speed signals to stabilize vehicle dynamics during parking maneuvers.
- Marine Drive-by-Wire Isolated CAN Bus Segmentation
Segmented isolation circuits resolve communication reliability conflicts by blocking electromagnetic noise on long marine drive-by-wire bus lengths.
- Dual Microcomputer Motor Control Arbitration Timing
- Fuzzy Logic Traction Control for Electric Vehicles
Adaptive fuzzy logic traction control dynamically selects optimal torque compensation techniques to resolve efficiency trade-offs in electric vehicles.