Steering By Propulsive Elements TRIZ Cases

Continuous vessel-model simulation aligns propulsion with real position and bearing to reduce docking oscillations and wind-response delays.

A simulated vessel model aligns propulsion with operator input to reduce docking oscillations, wind-delay effects, and harsh thrust changes.

Proximity-based velocity limits keep a vessel outside a buffer zone, then suspend in docking mode to allow controlled impact in wind and waves.

Pitch-angle-based thrust adjustment suppresses watercraft porpoising while maintaining speed, avoiding engine slowdown or trim tab drag.

Alternating propulsion thrust counters environmentally induced roll and pitch on small vessels without added stabilizers or heading change.

Limits propulsion power surges when weather stays stable, helping dynamic positioning vessels avoid sensor-driven drive-off and riser damage.

Hydrodynamic fins rotate 360° to hold a marine vessel in position without anchors, avoiding seabed damage and reducing roll offshore.

Proximity sensors and a controller progressively cap vessel speed near objects to preserve a safe buffer distance and avoid collisions.

Proximity-based velocity limits keep a vessel outside a buffer zone, then allow controlled override for docking or intentional impact.

A direct INS-to-DP data link lets ROVs auto-position for seabed seismic node deployment, reducing manual steering and crew load.

When fishing mode is detected, the controller raises the trim tab to avoid line entanglement while keeping hull posture control automatic.

Propulsion devices are steered in sync with natural roll frequency to stabilize small marine vessels without added fins or gyros.

Proximity sensors cap vessel speed toward nearby objects to hold a buffer distance, then allow user override for controlled docking impact.

Proximity-based velocity limits hold a vessel off nearby objects, then allow operator override for controlled docking impact.

Real-time load sensing adjusts azimuth angles and propulsion power to maximize vessel thrust while minimizing energy use.

A co-molded hull recess and fairing simplify bow thruster installation and maintenance while preserving fiberglass hull watertightness.

Aligning upstream flow with the downstream propeller center helps stabilize turns and reduce hydrodynamic drag without control surfaces.

Detachable doors and support structures open the maneuvering tunnel for maintenance while rounded couplings reduce turbulence and eddy resistance.

Distributed bow, stern, and lateral thrusters help container carriers turn in shallow waterways without backing down propellers.

Translation and bow turning modes coordinate steering angles and thrust to hold hull position and azimuth against offsets.

Pre-set steering angles balance propulsive forces immediately, eliminating transient imbalance during joystick operation.

A controller aligns an underwater hull with external forces to reduce fluid resistance and power consumption.

Vertical retraction and detachable coupling allow propeller removal at sea, resolving the trade-off between watertight sealing and repair accessibility.

A flow guide arrangement on the thruster housing periphery directs water toward the propeller to minimize bypass leakage in tunnel mode.

A marine propulsion system uses a swinging nozzle and contra bossing to redirect water jets for precise turning and backward movement control.

A side thruster uses a return channel to move water flow upstream, reducing the blade angle of attack.

Segmented unmanned system enables complex work in icy regions without surface support.

Angled azimuthal propelling units in a triangular layout resolve the power draft trade-off by distributing thrust efficiently.

Ring configuration of indirectly powered main switchboards reduces cabling requirements and weight while maintaining thruster reliability during faults.

Segmented azimuthing thrusters reduce draft and fuel consumption while maintaining propulsion power for safe ice navigation.

A retractable thruster assembly uses mobile locking pins to secure the casing structure within the hull well.

Rotating the pod drive unit about a trim axis adjusts the thrust vector, resolving pitch control trade-offs that increase parasitic drag.

Switching between bow thruster and combinational modes allocates propulsive forces to resolve azimuth control precision trade-offs.

Infrared sensor assemblies detect persons near marine vessels, triggering digital anchors to adjust positioning and prevent injury during unmanned operations.

Diesel-powered buoy uses flexible fuel tank to generate electricity and maintain stability in high seas, solving power and deployment trade-offs.

Segmented closing plates and evacuation systems enable thruster maintenance while floating, reducing drag and eliminating internal scaffolding.

Segmented thruster units with cooperating fastening devices enable removal through the hull tunnel, eliminating costly docked repairs.

Segmented nozzle plates reduce flow resistance and steering moment in marine vessel propulsion systems.

A boat maneuvering system uses a third controller to relay signals between operating devices and power sources.

A control system coordinates thruster power with generator capacity to stabilize vessel positioning.

An underwater assembly arrangement positions a tunnel thruster unit using fixed interface devices and clamping mechanisms.

Relocating the service space below the waterline reduces lifting distance and mass while eliminating flow resistance from vertical shafts.

Friction-based fixation absorbs accidental forces and adapts to hull deformations, eliminating complex pin systems that lose contact during structural sagging.

Removable closing cover with flange plate and sealing system stabilizes propeller assembly during maintenance.

A hydraulic thruster with a tiltably attached housing and nested tube resolves shipping volume constraints while maintaining secure deck mounting.

A rotatable pod drive system adjusts propeller shaft angles to maintain optimal water intake and thrust.

Intersecting propeller flows provide precise steering without control surfaces, reducing energy consumption at low speeds.

A retractable thruster canister offsets buoyancy with a ballast tank, enabling downward movement and hull retraction to reduce sailing resistance.

A wave sheltering vessel uses specific hull ratios and anchors to reduce significant wave height.