Dc Motor Stoppers TRIZ Cases

See how underpowering followed by single half-coil dynamo braking stops a cooking tool motor in

See how thermoelectric coolers convert braking current into active cooling, reducing motor cont

PWM braking uses motor-induced voltage after power loss to stop rotation while shifting heat dissipation away from the PCB.

Stored energy briefly shorts the motor at power-off to stop fan inertia fast, then releases braking so airflow-driven cooling can continue.

Battery pack ID sets a braking profile that recovers motor braking energy while limiting recharge current that could damage battery components.

A reordered semiconductor and electromechanical switch layout enables SIL3 elevator brake monitoring with less test circuitry and lower hardware burden.

A hybrid semiconductor and electromechanical switch layout enables SIL3 elevator brake control with simpler testing and less monitoring hardware.

Semiconductor control of rotor and stator currents enables millisecond motor braking in handheld tools while reducing carbon brush wear.

An ultra-capacitor supplements battery power during high-load tool operation, reducing drain, extending runtime, and helping prevent shutdowns.

An electronic pre-brake plus mechanical stop cuts residual tool energy within milliseconds while reducing shock and brake wear.

Braking energy from plastics machine motors is routed to heating and battery storage to cut grid feedback losses and stabilize the DC network.

A planar serpentine brake resistor with coupled heat sinks enables compact power tool braking while improving heat dissipation in tight spaces.

A controllable load resistor absorbs braking energy from a power tool line adapter, converting voltage spikes into heat to protect components.

PWM-controlled MOSFET braking uses motor back-EMF after power loss to slow rotation while avoiding resistor heat on the PCB.

Variable braking time lets the control circuit stop motors reliably under changing loads instead of failing with a fixed brake duration.

A comparator-based brake circuit holds a brushed DC motor stopped with both transistors off, cutting power use while avoiding switch damage.

Countercurrent braking stops the motor quickly and routes parasitic current into the battery, preventing clutch overrun and brake-chopper heat.

A two-stage BLDC braking sequence alternates commutation and coasting, then actuates switches to stop power tools quickly without damaging components.

Regenerated motor energy powers PWM damping during aircraft deceleration, reducing passive losses and preserving control in power failures.

A staged electronic and mechanical brake cuts machine tool stopping time while limiting current stress and mechanical complexity.

Hall sensor feedback and delayed electronic braking stop brushless power tools from reversing while improving commutation reliability and wear.

An ultra-capacitor supplements the battery only during high-load tool operation, boosting peak power while reducing battery drain.

During mains outages and other special conditions, the drive limits elevator regenerative power without brake chopper circuitry, cutting EMI and cost.

Periodic motor-terminal voltage sampling detects screen movement in standby, cutting power use while preserving position correction.

A rotatable, detachable lever gives architectural covering motors tactile local control while reducing exposed wiring, switch damage, and maintenance.

A Hall-sensor-guided control unit stays active after switch-off long enough to synchronize commutation and complete reliable electronic braking.

A beam load cell linked to a floating magnetic resistance mechanism enables direct torque sensing in compact fitness equipment with smoother load feedback.

A bipolar transistor load replaces diode braking to smooth door motion and maintain damping at low generator voltages.

A rotatable actuator built into the motor assembly gives architectural coverings tactile raise-lower control without extra wall-switch wiring.

Electromagnetic braking and electric clamping secure a heavy testing crosshead against backdrive and uncontrolled motion.

A starter generator lock feature limits rotor rotation by applying AC power to the stator, preventing windmilling during flight.

A door drive induces electrical energy during closing movement to regulate leaf velocity through electromagnetic induction.

A comminuting machine drive system uses a rheostat brake to provide controlled deceleration of the disc rotor.