Steering By Propulsive Elements TRIZ Cases
- Marine Vessel Steering Stabilization for Smooth Docking Control
Continuous vessel-model simulation aligns propulsion with real position and bearing to reduce docking oscillations and wind-response delays.
- Marine Vessel Steering Stabilization for Smooth Docking Control
A simulated vessel model aligns propulsion with operator input to reduce docking oscillations, wind-delay effects, and harsh thrust changes.
- Marine Propulsion Collision Override for Controlled Docking
Proximity-based velocity limits keep a vessel outside a buffer zone, then suspend in docking mode to allow controlled impact in wind and waves.
- Outboard Motor Thrust Control for Watercraft Porpoising
Pitch-angle-based thrust adjustment suppresses watercraft porpoising while maintaining speed, avoiding engine slowdown or trim tab drag.
- Marine Propulsion Control for Roll Stabilization at Low Speed
Alternating propulsion thrust counters environmentally induced roll and pitch on small vessels without added stabilizers or heading change.
- Dynamic Positioning Control for Vessel Drive-Off Prevention
Limits propulsion power surges when weather stays stable, helping dynamic positioning vessels avoid sensor-driven drive-off and riser damage.
- 360° Rotatable Fins for Seabed-Free Vessel Station Keeping
Hydrodynamic fins rotate 360° to hold a marine vessel in position without anchors, avoiding seabed damage and reducing roll offshore.
- Marine Propulsion Proximity Control for Safe Velocity Limiting
Proximity sensors and a controller progressively cap vessel speed near objects to preserve a safe buffer distance and avoid collisions.
- Marine Propulsion Override Control for Buffer-Aware Docking
Proximity-based velocity limits keep a vessel outside a buffer zone, then allow controlled override for docking or intentional impact.
- ROV Dynamic Positioning via Direct INS Interface for Multi-Node Deployment
A direct INS-to-DP data link lets ROVs auto-position for seabed seismic node deployment, reducing manual steering and crew load.
- Fishing-Mode Trim Tab Control to Prevent Line Entanglement
When fishing mode is detected, the controller raises the trim tab to avoid line entanglement while keeping hull posture control automatic.
- Propulsion-Based Vessel Attitude Control at Natural Roll Frequency
Propulsion devices are steered in sync with natural roll frequency to stabilize small marine vessels without added fins or gyros.
- Marine Propulsion Collision Override with Proximity Buffer Control
Proximity sensors cap vessel speed toward nearby objects to hold a buffer distance, then allow user override for controlled docking impact.
- Marine Propulsion Override Control for Collision-Limited Docking
Proximity-based velocity limits hold a vessel off nearby objects, then allow operator override for controlled docking impact.
- Azimuthing Vessel Propulsion Control Using Load Feedback
Real-time load sensing adjusts azimuth angles and propulsion power to maximize vessel thrust while minimizing energy use.
- Co-Molded Bow Thruster Module for Watertight Fiberglass Hulls
A co-molded hull recess and fairing simplify bow thruster installation and maintenance while preserving fiberglass hull watertightness.
- Twin-Propeller Thruster Flow Alignment for Stable Marine Turns
Aligning upstream flow with the downstream propeller center helps stabilize turns and reduce hydrodynamic drag without control surfaces.
- Transverse Propulsion Device With Detachable Doors for Maintenance
Detachable doors and support structures open the maneuvering tunnel for maintenance while rounded couplings reduce turbulence and eddy resistance.
- Shallow-Draft Container Carrier Steering With Lateral Thruster Pods
Distributed bow, stern, and lateral thrusters help container carriers turn in shallow waterways without backing down propellers.
- Bow Thruster and Stern Propulsion Control for Hull Position and Azimuth
Translation and bow turning modes coordinate steering angles and thrust to hold hull position and azimuth against offsets.
- Watercraft Propulsion System Joystick Translation Control
Pre-set steering angles balance propulsive forces immediately, eliminating transient imbalance during joystick operation.
- Underwater Sailing Body Posture Control for Power Efficiency
A controller aligns an underwater hull with external forces to reduce fluid resistance and power consumption.
- Ship Propulsion System With Retractable Propeller And Detachable Coupling
Vertical retraction and detachable coupling allow propeller removal at sea, resolving the trade-off between watertight sealing and repair accessibility.
- Flow Guide Arrangement for Retractable Thruster Tunnel Leakage
A flow guide arrangement on the thruster housing periphery directs water toward the propeller to minimize bypass leakage in tunnel mode.
- Marine Propulsion System With Swinging Nozzle and Contra Bossing
A marine propulsion system uses a swinging nozzle and contra bossing to redirect water jets for precise turning and backward movement control.
- Side Thruster Cavitation Suppression via Return Channel
A side thruster uses a return channel to move water flow upstream, reducing the blade angle of attack.
- UUV System for Ice-Covered Remote Underwater Operations
Segmented unmanned system enables complex work in icy regions without surface support.
- Azimuthal Propelling Units Tugboat Triangular Arrangement
Angled azimuthal propelling units in a triangular layout resolve the power draft trade-off by distributing thrust efficiently.
- Floating Vessel Power System Ring Configuration
Ring configuration of indirectly powered main switchboards reduces cabling requirements and weight while maintaining thruster reliability during faults.
- Azimuthing Propulsor Arrangement for Ice Navigation
Segmented azimuthing thrusters reduce draft and fuel consumption while maintaining propulsion power for safe ice navigation.
- Retractable Thruster Assembly Locking Mechanism
A retractable thruster assembly uses mobile locking pins to secure the casing structure within the hull well.