Resilient Suspensions TRIZ Cases

Two independently controlled solenoid valves separate support and lift bellows pressure, improving trailer load distribution and fail-safe axle lowering.

Phase-based damper control uses body and damper motion ratios to balance ride comfort, body stability, and noise on uneven roads.

Adjusting vehicle height to drive-system inertia keeps the wheel axis locus effective at offsetting road-input longitudinal force.

Tactile input on a robot base triggers interactive motion while predictive control helps maintain stability in underactuated mobile robots.

Double wishbone omnidirectional wheel suspensions keep a mobile medical carrier in floor contact on uneven surfaces for precise traction and movement.

Preemptive spring and damping changes from ACC demand signals reduce vehicle pitch while preserving ride comfort during speed changes.

Tapered link arms and a torsion bar manage roll, lateral motion, and e-axle space while improving vehicle comfort and handling.

An external dryer and dual gas reservoirs give air spring supply units more flexible packaging, easier service, and faster pressure adjustment.

Steady-state height data checks classify suspension sensor faults as minor mechanical, major mechanical, or electrical for accurate damping control.

Dynamic high-pass cutoff tuning reduces velocity drift and improves suspension damping response across changing road and load conditions.

Controls air spring filling by tracking level and air quantity, preventing overpressure during lashed transport while preserving ride height.

Comparing vibration ranges from two sprung acceleration sensors with vehicle speed helps flag true sensor faults and avoid false alarms.

Adjustable compression and expansion stoppers shift spring breakpoints in a shock absorber to vary spring rate without changing preload.

Offset inner and outer sleeves create a virtual pivot axis that extends effective control arm length and limits roll center shift.

Separating left-right in-phase and anti-phase wheel inputs preserves road-surface signals and improves actuator damping control.

A cartridge with opposed bases and an arched crossbar aligns torsion stub axles faster while increasing trailer ground clearance.

Wheel sensors identify water, snow, sand, or mud height and type, enabling ride height changes and protective vehicle responses.

Hydraulic valves and accumulators let off-road suspension adjust wheel motion, ride height, spring rate, and damping across changing terrain.

A resilient pad and swing-arm track bar let the trailer axle tolerate misalignment, limit lateral shift, and reduce suspension wear.

An arcuate telescoping multi-link suspension isolates vertical and horizontal loads to cut steering feedback and improve control on rough terrain.

Dynamic blending of body isolation and road tracking forces helps active suspension avoid end-of-travel events while preserving ride comfort.

A pivotable rear axle with hydraulic or mechanical adjustment cuts turning radius in long-wheelbase commercial vehicles while preserving ride comfort.

Predicting future actuator limits from heat and power depletion lets vehicle motion plans stay within controllable ranges and preserve ride stability.

Rapid suspension actuation adjusts vehicle stance and wheel forces before impact to improve traction, ABS/ESP response, and occupant protection.

Pivotable wheel arms and wheels orient the chassis for precise gun aiming, removing heavy traverse hardware and reducing vehicle weight.

Control and restriction valves block pump short-circuit flow and preserve passive damping during active suspension pump failure.

Steering torque and motion curve analysis detects chassis asymmetry early, adjusts lane change timing, and prevents driver assistance faults.

Operator-triggered wheel rotation and load adjustment position the wheel precisely for faster tyre chain attachment in tight or slippery conditions.

Gradually lowering thrust before motor short-circuit control prevents abrupt stroke changes and preserves ride comfort during power loss or emergencies.

Threshold-based force smoothing suppresses suspension vibration where road surface displacement data starts or ends, preserving ride control.

A load-deformation control matrix lets multi-axle active suspension predict terrain response and coordinate height, attitude, and wheel loads.

Alternating rubber and rigid annular layers replace a separate bearing in the strut mount, cutting suspension assembly complexity and cost.

A double-shear pivot and integrated support housing improve bearing accuracy, wear life, and suspension layout in agricultural wheel suspensions.

Road surface data is combined with vehicle body state inputs to tune electromagnetic suspension control and keep vehicle posture stable.

An active mass damper mounted on the control arm splits force between sprung and unsprung masses to reduce transient ride vibration.

Normalized steering, yaw, and lateral-motion signals are merged to tune wheel damper forces with less complexity while improving stability and comfort.

A Watt linkage with adjustable rods and a guide element stabilizes semitrailer axles across ride heights while reducing oscillation and tire wear.

A bridging element shifts foot adjustment radially in a MacPherson damper, preserving spring length and improving suspension packaging.

Dynamic mapping links vehicle buttons and scroll controls to current system states, improving intuitive operation, safety, and convenience.

A dedicated sensor link on the axle isolates height measurement from suspension link tilt, improving accuracy on uneven ground.

An offset gas inlet chamber creates a helical flow path that cuts gas spring noise and turbulence without slowing ride height adjustment.

Sensor-driven load control adjusts tire inflation and liftable axles to prevent uneven wear, instability, and excess maintenance.

Pre-stored accumulator energy and shock absorber force let an active suspension lift the vehicle body with upward velocity as the wheel leaves ground.

Audio frequency signals drive active suspension motion so a stationary vehicle can move rhythmically for personalized in-car entertainment.

A spot-welded tube and snap-ring bearing layout replaces separate housings, cutting roller spring perch manufacturing cost and complexity.

A feed-line pressure sensor, height sensing, and a learning algorithm estimate true air bellows pressure to avoid suspension control oscillations.

Controlled vertical roll from active wheel suspension restores road-like stimulation when body excitation is too low, helping reduce driver drowsiness.

A nested intermediate-link mechanism drives two links symmetrically to deliver long stroke with higher bearing strength, rigidity, and compactness.

Visual road prediction, skyhook damping, and adaptive inertia control improve pitch, roll, and high-frequency vibration suppression.

When a road object is detected ahead, the vehicle tilts forward so the front suspension member takes the impact instead of the underbody battery.

Pivoting linkages and deformable ride members cut bushing loads while improving shock absorption, vibration damping, and axle articulation.

Dynamic zero-point updates based on travel and carrier state cut active suspension actuator energy use without sacrificing position control.

A contoured transverse leaf spring fits below the electric drive unit, preserving ride and roll stability without tall coil spring packaging.

A unified ride-height and suspension-force controller resolves aero-suspension conflicts to maximize tire grip, stability, and drag balance.

A concealed snap-lock in the retaining ring blocks improper disassembly while maintaining secure axial fixation under load.

Using three height sensors and a roll-rate sensor, this case estimates axle position to cut sensor count, cabling, and weight without losing ride comfort.

Two bushes with different rubber hardness are oriented by vehicle direction to balance handling, ride comfort, and road noise.

A threaded cap spreads upper strut mount loads through thread engagement, reducing bracket stress and improving suspension durability in heavier vehicles.

Integral cold-formed guide elements with radiused transitions reduce crack risk, prevent loosening, and extend chassis component service life.

A remote primary controller and local relay-poppet valves speed lift axle actuation, improve load distribution, and cut air use.

Real-time sensor feedback and SELFTUNE adjust suspension damping to reduce heave, roll, and pitch acceleration during driving.

An adjustable main-and-auxiliary swing arm lets one height sensor fit different chassis suspension layouts while reducing mold count and cost.

A reversible pump mounted on the shock absorber adjusts ride height through a preload cylinder, removing external valves, manifolds, and hoses.

A pressure-responsive sealing member at the exhaust port blocks liquid and dirt ingress while preserving gas exhaust and valve reliability.

Linear actuation and dual potentiometer tracking improve bump steer measurement accuracy across suspension compression and rebound.

A separate threaded connecting element lets one spring seat fit different vehicle bodies and mounting positions while lowering chassis adjustment cost.

A tapered cylindrical holder lets the spring insulator mount securely on the upper support without redesign when support size or structure changes.

Wheel sensors identify substance height and type around a parked vehicle, enabling suspension, sealing, and alert responses before damage or immobilization.

A tunable vehicle controller switches between map-based proactive control and sensor-only response when data links or localization degrade.

A speed-threshold controller switches motorcycle suspension damping between low- and high-speed settings to balance comfort and stability.

Separate low- and high-speed damping settings are switched automatically to balance motorcycle stability and ride comfort.

Angled suspension linkage rods open more space between frame rails, allowing larger battery mounting in electrified vehicles.

Stored tank pressure is used to adjust axle height through the air circuit, reducing compressor use while keeping air suspension height stable.

Combining filtered sensor acceleration with model-based estimates improves vehicle motion detection across low and high frequency regions.

Upcoming path sensing predicts damping force before road irregularities, reducing adjustment delay and improving ride stability.

A bioinspired nonlinear controller and fuzzy disturbance observer improve ride comfort while cutting active suspension energy use.

A centered sealing cap keeps body outlet openings sealed during air spring assembly, removal, and depressurization to prevent corrosion.

Road-frequency-based gain tuning balances displacement, velocity, and acceleration control terms to improve sprung-mass vibration damping.

A localized breakage zone in the suspension arm lets the front wheel separate under impact, reducing cabin-side body deformation in small overlap collisions.

Environment sensors pause stationary EV functions when nearby people or animals are detected, reducing active suspension safety risks.

Pressure and height sensors across the axle detect bus turns, pausing active leveling to cut compressor runtime and suspension wear.

A multi-mode controller uses existing steering and braking actuators to cut lateral force and maintain stability during rollover events.

Road displacement amplitude is used to predict actuator delay, helping vehicle damping apply target force at the right wheel passing timing.

Phase-advanced unsprung displacement improves medium- and high-frequency vehicle damping while reducing energy use and actuator stress.

Seat position is used to estimate driver body shape and set suspension height for easier vehicle entry and exit.

Combining a torsion axle with an adjustable air spring helps trailers handle light to heavy loads while maintaining ride stability and deflection compliance.

A protected rotary sensor on the suspension lever tracks wheel position accurately while minimizing dirt, water, and calibration issues.

High-pass and low-pass road preview filtering helps align target damping force with wheel passage position to reduce vehicle vibration.

A detachable spring support lets retrofit vehicles match different body layouts while enabling full pre-assembly painting to prevent corrosion.

An incompressible-fluid chamber shifts the spring base point quickly without sliding seals, cutting complexity, friction, and sealing issues.

A ratio valve in a trailer air suspension system directs uneven air pressure to front and rear springs.

A separate spring seat supports the axle housing via plane surface contact to enable independent part replacement.

A suspension control apparatus calculates stroke velocity using dual time constants to derive damping force.

Diagonal lever alignment reduces torsional loads and friction in compact commercial vehicle suspensions, enabling lightweight construction.

Integrating the T-piece function into the height limitation module reduces production costs and device complexity.