Propulsion By Humans/Animals TRIZ Cases

Resistive torque is adjusted from estimated pedal power to avoid sensor lag and keep pedaling smooth and comfortable at high speeds.

A radially offset hub interface combines torque support and electrical coupling to simplify assembly and protect wiring from damage.

Integrated switches and wireless units on the battery holder shorten e-bike control wiring while keeping battery replacement and operation easy.

Wheel movement sensed by a dynamo wakes the battery automatically, avoiding confusing manual startup on shared scooters and bikes.

Selective charging targets the most efficient e-bike battery to extend range, preserve battery life, and limit switching power loss.

A can-mounted guard slows and redirects leakage at the case-end lid joint, lowering short-circuit fire risk in battery cells.

A can-mounted guard covers the case-lid joint, slows electrolyte leakage, and guides it to an outlet to reduce short-circuit fire risk.

Battery packs share internal state and transfer output authority locally, cutting controller load while keeping EV power delivery stable.

Delaying second-motor assist until speed difference falls below a threshold restores smooth pedaling recovery and protects the target speed ratio.

Arc-transition casing geometry and layered insulators keep the electrode assembly close to the wall while preventing wrinkling and internal shorts.

A detachable auxiliary battery connects in series with the main e-bike battery to extend range when needed without carrying extra weight on short rides.

A linked hood and battery lock enables one-step battery removal while reducing vibration, contact wear, water ingress, and hinge stress.

Closed-loop control stabilizes intermediate circuit voltage by matching e-drive power to fluctuating generator output in battery-free cargo e-bikes.

A radially offset hub interface combines torque support and electrical coupling to protect the connection and simplify bicycle hub mounting.

A base-mounted switch, wireless link, and battery lock shorten wiring while keeping motor assist controls easy to reach.

A wheel-mounted dynamo detects movement and signals battery wake-up, removing confusing manual activation on shared scooters and bikes.

Compact electric cycle propulsion unit integrates electronics inside the housing to dissipate heat via an intermediate element, reducing bulk and weight.

A control unit processes drawbar load data to activate an electric motor, maintaining tensile stress below a fatigue threshold.

GPS tracking and tamper-proof mechanisms prevent unauthorized removal of electric vehicle battery packs.

Segmenting the frame into separable modules with integrated wiring channels resolves the contradiction between aesthetic integration and ease of repair.

Controller detects walking state and adjusts speed ranges via single operation unit, resolving complexity trade-offs in manual speed selection.

A bicycle control system detects road hazards using environmental sensors and dynamic parameters to execute evasive tilting maneuvers.

A controller manages an auxiliary storage system to supply power to a user interface via a dedicated switch.

Microcomputer reduces assistant power before and during gear shifts to prevent chain overtension and ensure smooth derailleur operation.

A control module selects between immediate and delayed torque application strategies for electrically assisted bicycles.

Inertial and geomagnetic sensors transmit data to a central module that compares readings against stored reference values to determine battery position.

Controller adjusts motor power ratio based on travel resistance changes to prevent unnatural riding experience.

A control system for pedal-assisted bicycles uses torque and cadence sensors to adjust motor assistance dynamically.

Master device detects current flow through a transmission line to supply voltage only during operation, reducing standby battery drain.

A motor controller maintains vehicle speed for a set period after stop signals to stabilize assist force transitions.

A control device manages an electric motor to maintain a predetermined speed during vehicle operation.

Electronic controller adjusts motor response speed based on travel resistance and load parameters, reducing rider effort during heavy propulsion.