Field Or Armature Current Control TRIZ Cases

Electronic control module calculates window position via motor back electromotive force without external sensors.

A DC motor control apparatus adjusts PWM duty cycles via phase detection to stabilize coil currents.

A motor controlling method adjusts initial power based on positional feedback to prevent overshooting during transport.

Delay circuits adjust high-side and low-side transistor switching times via a configurable register to prevent bridge short-circuit currents.

A transistor half-bridge driver circuit dynamically selects active or passive free-wheeling modes to manage switching states.

A duty ratio control device calculates higher voltage parameters during reacceleration to rapidly increase motor rotation speed.

Feedback control compensates for mechanical gaps in reducers, resolving speed differences that degrade steering responsiveness.

A motor control system computes a disturbance estimate using back-emf and brush-drop voltage components to enhance velocity estimation.

A digital motor control system uses pulse width modulation to manage speed and direction efficiently.

A phase compensation part advances the motor current signal phase to stabilize the control loop.

A shaver controller switches motor voltage levels based on load current measurements to optimize power usage.

A feedforward control module computes voltage commands for permanent magnet DC motors using brush drop and back-EMF estimates.

A supplemental voltage circuit unit generates auxiliary power to maintain actuator performance.

A PWM-controlled electrical circuit manages load resistance in an exercise machine motor-generator unit.

Segmenting the chopper into parallel chopping units with phase staggered control reduces peak current and torque ripple while lowering switching loss.

LED array displays switch lever pulling amount via force sensor signal for electric screw fastening tools.

Dynamic threshold adjustment prevents premature undervoltage lockouts during low-temperature load peaks, maintaining tool operation.

Interrupting voltage supply via a timer circuit eliminates prolonged transition periods, reducing power loss and heat generation in arc-quenching devices.

A power tool controller delivers discontinuous electric power to the motor during switch actuation.

An actuator position sensor draws operating energy from the motor control unit through existing motor connections.

Pulse width modulation duty cycle adjustment holds motor speed constant in light torque ranges, resolving productivity versus energy consumption trade-offs.

A voltage-divider circuit generates multiple driving voltages from control signals to adjust fan speed without requiring PWM signal generators.

A high-frequency pulse width modulation method controls electric motor startup current by continuously increasing the current from zero.

A brushless DC motor controller switches between voltage and current modes to manage power delivery in electric pumps.

Alternating motor braking states suppress counter electromotive force, protecting control circuits from high voltage without adding discharge components.

Hardware PWM modules eliminate interrupt clashing delays by autonomously managing winding commutation timing for improved motor efficiency.

Gravity engages the drive mechanism, preventing cable wear and tool damage during linear movement.

A DC machine control method calculates a base voltage and a PID adjustment voltage to drive the motor.

A detection circuit analyzes commutator switching waveforms to determine motor speed and rotation information.

A fan motor controller uses a frequency judging unit to interpret pulse width modulation signals for bidirectional rotation.

Segmenting the stator into two units prevents overheating by reducing continuous electrical current demand during stationary holding.

A steering control unit adjusts assist gain based on battery voltage to maintain consistent force.

A DC motor control circuit adjusts signal amplitude ratios to regulate speed and reduce mechanical noise.

A fan control circuit converts PWM signals into amplified DC voltages for precise motor driving.

A controller circuit generates pulse voltage direct current to drive electronically commutated motors below their minimum rated speed.

A power saving driving circuit uses a motor coil as an inductor to charge a capacitor via flyback voltage.

Grounding the rotor potential through an ON-state power transistor prevents corrosion from leakage currents in wet vehicle generator environments.

A vehicle door actuator uses a control unit to adjust motor pulse-width modulation frequency for precise operation.

Segmented resistance copper foil with inclined gold fingers eliminates motor speed fluctuations by generating uniform pulse signals during sliding contact.

A photovoltaic device uses a DC-PWM power switching circuit to output direct current or alternating current signals.

A DC motor control apparatus manages bidirectional movement of game machine components using pulse width modulation and position tracking.

A controller dynamically adjusts harvesting force and energy storage using a boost converter to maintain consistent user experience.

Periodic PWM switching lowers motor current to eliminate impact noise and mechanical stress during window pane braking.

Segmenting the control loop from the drive loop reduces node resistance, enabling reliable +12V operation without external transformers.

Segmented off periods enable accurate voltage detection without increasing operation noise or vibration from high-frequency PWM.

A motor controller circuit modulates triangular wave signals using a random number generator to adjust operating frequencies.

A control apparatus calculates gain values from differential voltage and input voltage to stabilize bidirectional DC/DC converter operation.

A controlled freewheeling transistor conducts only when voltage drops below zero, cutting power loss by up to 90% compared to passive diodes.