Abstract: A drag reducing device for a vehicle includes an air flow turning component having a curved surface adapted to turn air flow passing over the curved surface, a first mounting component for connecting the air flow turning component to a rear door of the vehicle, and a second mounting component for connecting the air flow turning component to one of the opposite side walls of the vehicle. The mounting components are configured so that the air flow component is automatically in a deployed position when the rear door is closed, in which position the air flow turning component turns air flow passing along the side the vehicle inward to thereby reduce drag. The mounting components are further configured so that the air flow component is automatically stowed between the rear door and the vehicle side wall when the door is fully opened. The air turning component is an extrusion sized for a minimal prominence in the stowed position.

Abstract: A robotic device for providing vertical mobility has a payload is disposed inside a central compartment and supported by a skid. The skid can move up and down through latch and hook pairs to keep intimate contact with the surface and cross over bumps. The apparatus uses a flexible seal to create a reliable vacuum chamber. The flexible seal comprises a foam ring inside fabric pocket. A plurality of rod and spring strips are configured to apply a downward force to the flexible seal to conform with surface curvatures. The fabric pocket fills in the gaps or seams to maintain a vacuum. The air flows inside a manifold and passes through a filter to avoid debris from damaging the vacuum motor assembly.

Abstract: A multi-leg independent mobile carrier device, comprising: a base (1), a traveling mechanism (2), and a posture adjustment mechanism (3). The base (1) is used for carrying a human being or an object. The traveling mechanism (2) comprises a driving unit (21) connected to the base (1) and a connecting rod unit (22) rotatably connected to the driving unit. The traveling mechanism (2) is used for driving the base (1) to travel and get over any obstacles. The posture adjustment mechanism (3) is connected to the base (1) and used for keeping the human being or object balanced. The multi-leg independent mobile carrier device integrates a traveling mechanism and a posture adjustment mechanism. The posture adjustment mechanism is used for keeping the base balanced all the time and the traveling mechanism is used for driving the entire device to travel and turn around more flexibly.

Abstract: An apparatus for lifting and rotating a frame of a motor vehicle includes a rotisserie and a rotatably connected fixture that holds the motor vehicle frame during production. The fixture includes clamps extending from arms of the fixture and clamps extending from the front support for affixing the frame of the motor vehicle to the fixture. The fixture may further include a passive lock mechanism for engaging a side sill of the frame that includes a latch, a locking extension, a latch spring that holds the latch in engagement with the frame, and a pendulum that rotates relative to the fixture but remains oriented in a fixed location relative to horizontal. The latch may only be disengaged from the frame when the locking extension is aligned to be received by a slot in the pendulum when the fixture is rotated to the home location.

Abstract: Provided are a vehicle body assembling method and a vehicle body assembling apparatus which allow a simple configuration in the vicinity of the connecting portion between an upper jig and a lower jig and allow an increase in the efficiency of assembling work (welding work). A vehicle body assembling apparatus is equipped with a jig for supporting vehicle body components in a preassembled position, the jig comprising an upper jig and a lower jig which are connected to each other in at least two places. Each of the connection places is provided with a connecting means for fixing a three-dimensional coordinate position while allowing uniaxial turning. The vehicle body assembling apparatus is also equipped with a conveying means for conveying the upper jig which supports the vehicle body components, and reduces the load applied to the lower jig from the upper jig when connecting the upper jig to the lower jig.

Abstract: A wheel telemetry system providing a set of riding information to a rider includes a wheel-mounted portion and a control unit in wireless communication. The wheel-mounted portion is attached to one or both bicycle wheels and includes an accelerometer, pressure sensor, and/or temperature sensor and a programmable microcontroller. The accelerometer monitors movement of the wheel(s) in one or more of the x-, y-, and z-planes. Accelerometer data, (and optionally tire pressure data and/or temperature data), is transmitted to the control unit for monitoring and/or data logging. Movement of a previously motionless bicycle may also be used to trigger an alarm when the control unit is not detected within a predetermined distance from the bicycle.

Abstract: An active lighting device of a bicycle includes a first optical system with a first light source arrangement for long-distance illumination, which is controlled by a control unit, and a second optical system with a second light source arrangement for short-distance illumination, which is controlled by the control unit. A light sensor determines the light intensity of a location of the bicycle and allows the control unit to adapt the light intensity of the light sources, if they are activated and if the ambient light intensity is below a threshold. A speed sensor determines the speed of the bicycle, so that the control unit controls the activation of the light sources of the first light source arrangement from a speed threshold. An orientation or inclination detector selects and adjusts the light intensity of light sources.

Abstract: A compact mobility device has an adjustable drive mode. The device includes a base panel and a number of drive wheels rotatably provided at opposite ends of the base panel. The drive wheels are configured to rotate by receiving torque from a driving unit. A column is constituted by a plurality of links connected in series to be foldable and is configured such that a lower end of a lower link is rotatably coupled to the base panel with an upper end of an upper link being provided with a steering handle. An auxiliary wheel is provided between the links constituting the column and is configured to roll along with the drive wheels by coming into contact with a ground when the links are folded.

Abstract: A bicycle operating device is basically provided with a first base member, a lever and an operating unit. The first base member includes a first end portion and a second end portion. The first end portion is configured to be coupled to a handlebar. The second end portion is opposite to the first end portion. The first base member extends along a longitudinal direction from the first end portion to the second end portion. The lever is pivotally coupled to the first base member about a lever axis. The operating unit includes a second base member and an operating member. The second base member includes a mounting portion that is mounted to the second end portion of the first base member. The operating member is movably coupled to the second base member between a rest position and an operated position to operate a bicycle telescopic apparatus.

Abstract: In one example, a structure for attaching a wheel to one of a frame of a motorcycle or a bicycle may include an axle having first and second opposing end portions and supporting a wheel, a left axle support collar structure configured to support the first opposing end portion of the axle, and a right axle support collar structure configured to support the second opposing end portion of the axle. A first bearing is positioned in the left axle support collar structure, and a second bearing is positioned in the left axle support collar structure. The axle rotates relative to the frame.

Abstract: A bicycle control device has a body for mounting on a bicycle handlebar and a brake lever that rotates about a predetermined axis. The body has abutment portions defining a first brake lever release position and at least one second brake lever release position. The control device includes an adjuster for selecting a release position. The adjuster has a pin that is mounted on the brake lever and slides substantially parallel to the predetermined axis between abutment portions and a coupler that couples with the pin; the coupler being fixed with the brake lever and configured to selectively stop the pin in a selected position.

Abstract: Exemplary embodiments are directed to a pedal for a bicycle that includes a body, a spindle rotatably secured to the body and for connection with the bicycle, a first magnetic platter non-rotatably secured within the body, and a second magnetic platter rotatably secured within the body and overlaying the first magnetic platter. The first and second magnetic platters each include two magnetic blocks that are separated and magnetically charged by a respective permanent magnet plate positioned therebetween. The second magnetic platter includes a keyed protrusion configured to be engaged by a ferrous metal cleat, which can rotate the second magnetic platter between a first position where the pedal is in a magnetically inactive state and a second position where the pedal is in a magnetically active state magnetically securing the cleat to the second magnetic platter.

Abstract: A gear shift lever assembly includes a gear shift lever arm which includes a distal foot-peg end and a bifurcated proximal end and first passageway for facilitating securement of the gear shift lever arm to a gear selector spindle shaft of a motorcycle. The assembly also includes a spindle shaft mount insert sized to fit within the bifurcated ends of the gear shift lever arm. The insert has a splined aperture that matches the splines of the splines of the gear selector spindle shaft, and a second passageway having a longitudinal axis transverse to the longitudinal axis of the splined aperture. The gear shift lever assembly is mountable to the gear selector spindle shaft of the motorcycle with the spindle shaft mount insert interposed between the bifurcated proximal end of the gear shift lever arm with a mounting bolt passed through the aligned first and second passageways.

Abstract: The invention relates to a motor boat comprising a bearing structure (1) and at least one foil (2) which is defined by a hydrofoil and its support (4), which is positioned under said structure and slideably mounted with respect to the latter; characterized in that the foil (2) is also mounted in such a way as to adopt at least two fixed positions, namely a position referred to as the active position in which the foil (2) is lowered and a position referred to as the passive position in which the foil (2) coincides with the bearing structure (1) or is fully retracted into the latter.

Abstract: A process for lashing containers with a power tool, a lashing rod (2) connectable to a container and a turnbuckle (1) connectable to a container transport vehicle. The turnbuckle comprises a first connection part (14) connectable to the lashing rod and second connection part (15) connectable to the container transport vehicle, the turnbuckle being rotatable around it's longitudinal axis (L). At least one of the connection parts comprises a tensioning part (144) for tensioning the lashing rod by adapting the overall length of the turnbuckle and lashing rod. The tensioning part is driven by a drive part (145) which is operated by a power tool. For lashing a container the turnbuckle is connected to the container transport vehicle and the lashing rod, which is connected to the container. The turnbuckle is rotated until the drive part is accessible by the power tool. Then, the drive part is driven by the power tool.

Abstract: According to some embodiments, a flexible regasification system comprises a floating liquefied natural gas (LNG) storage vessel; a LNG vaporizer disposed on a jetty proximate the LNG storage vessel to vaporize the LNG into natural gas; and a thermal fluid source. The LNG storage vessel is coupled to the LNG vaporizer and supplies LNG to the LNG vaporizer. The thermal fluid source is coupled to the LNG vaporizer and sends heated thermal fluid to the LNG vaporizer for converting the LNG to natural gas, which converts the heated thermal fluid to a cooled thermal fluid. The cooled thermal fluid is discharged back to the thermal fluid source, comprising a closed loop. In particular embodiments, the thermal fluid storage comprises a floating vessel disposed near the jetty. In some embodiments, the cooled thermal fluid from the LNG vaporizer is first sent to a power plant or refrigeration plant.

Abstract: A transfer structure for transfer of a fluid between a floating structure and a floating or non-floating facility and/or transmission of electric power between the floating or non-floating facility and the floating structure is disclosed. The transfer structure includes at least one attachment means passive-movably mounted relative to the transfer structure for releasable attachment of the transfer structure to the floating structure. The transfer structure is semi-submersible and floating.

Abstract: This application includes an electric powered surfboard equipped with drive units that emerge out onto the surfboard's bottom surface to power it forward. Once a wave is caught the drive units can retract back up into the surfboard's body as the power is shut off by the surfer. Then instantly, flush fitting glide doors close, allowing the surfboard's bottom to return to a planing surface with no protrusions, except for fins to detract from the surfboard's critical gliding ability when surfing waves. Also, there's a crowned deck shape that allows thin rail sensitivity for turning performance and a motor battery arrangement that provides mass centralization of weight. All this, combined with several wireless control means define this new fine handling motorized surfboard.

Abstract: A wake tower assembly for use with a watercraft, including an arch portion extending across a width of the watercraft, first and second pivoting structures coupled to first and second ends of the arch portion, the first and second pivoting structures configured to attach to port and starboard portions of the watercraft to facilitate rotational movement of the arch portion between a lowered position and an upright position, and a first locking mechanism provided to the first pivoting structure including a biased pin member configured to engage an opening of the first end such that when the arch portion is rotated from the lowered position to the upright position, a biasing force of the biased pin member causes the biased pin member to engage the opening to mechanically lock the arch portion in the upright position.

Abstract: The device includes a sling with four flexible support strands, including a pair of rear strands, each of which is attached by a bottom end to one of two lifting points provided in the lateral end portions of the transom stern, and a top end of which is linked to at least one attachment member, for engaging with a hook suspended beneath a helicopter, and two strands, each forming a loop capable of passing around the outer lower contours of the two lateral floats and beneath the keel of the boat, and of which each of the two ends is attached to the attachment member, one of the two looped strands, referred to as the “middle” strand, surrounding the boat at the central portion of the latter, and the other looped strand, referred to as the “front” strand, surrounding the boat at the bow of the boat.

Abstract: This invention relates to a thermal hydrogen generator and a process and system for generating hydrogen gas, more specifically to a process and system for generating hydrogen gas by thermally decomposing a metal hydride.

Abstract: A blanket assembly for use in at least one bay and with at least one frame member of an aircraft, the assembly including an insulation blanket. The insulation blanket includes a bay section sized and shaped to fit within the bay and of sufficient thickness to provide insulation to the bay, a return section disposed on a first side of the bay section; and a cap section disposed on a second side of the bay section, opposite the first side. The cap section is sized and shaped to at least partially cover the frame member when the cap section is wrapped around the frame member, the cap section being of sufficient thickness to provide insulation to the frame member. The bay section, the return section, and the cap section are of unitary construction.

Abstract: A propulsion assembly includes an engine surrounded by a nacelle, structure for draining the fluids from the engine and structure for guiding said fluids to a retention box. The retention box is arranged outside the engine and has a cavity for storing drained fluids. The retention box is fixed to a cowling of the nacelle and supported thereby.

Abstract: The present invention is a variable geometry aircraft that is capable of morphing its shape from a symmetric cross-section buoyant craft to an asymmetric lifting body and even to a symmetric zero lift configuration. The aircraft may include variable span, length, and camber. The variability of the structure and the flexible envelope allows the aircraft to adjust its aspect ratio along with the camber of the upper and/or lower surfaces to achieve varying shapes. This transformation changes both the lift and drag characteristics of the craft and may be accomplished while the craft is airborne.

Abstract: An aerodynamic control surface including an upper panel having an upper panel aft end portion, a lower panel having a lower panel aft end portion, mechanical fasteners connecting the upper panel aft end portion to the lower panel aft end portion, and a fairing having a fairing forward end portion and a fairing aft end portion, wherein the fairing forward end portion is connected to either the upper panel or the lower panel, and wherein the fairing aft end portion is connected to the other of the upper panel or the lower panel.

Abstract: An airfoil is provided having reduced noise generation for use with an aircraft. The airfoil includes a body and a cover. The body has a leading edge spaced from a trailing edge and a side surface disposed between the leading edge and the trailing edge. The body defines an inlet proximate the leading edge and configured to receive air. The side surface defines an outlet in fluid communication with the inlet. The outlet is configured to exhaust air away from the side surface. The cover overlies the inlet and is movable between a first and a second cover position. The cover is configured to prevent movement of air through the inlet when the cover is in the first cover position and configured to permit movement of air through the inlet when the cover is in the second cover position.

Abstract: The present invention discloses a low-noise novel thruster, in which a rotor casing is located at an air inlet side of a stator casing, at an inner middle portion of the rotor casing a rotor core is provided which is driven to rotate by a driving module; a rotor core is provided at in inner middle portion of the stator casing; the rotor casing is of a streamlined cylindrical structure with unequal diameter, and the main body of the rotor blade is parallel with the axial direction, and provided with a smooth curve in the rotating direction of the blade adjacent to an edge portion of an air inlet side. The present application provides a new thruster, which has same energy consumption and safety as propellers, but at a significantly greater thrust than the propeller, the more significant the advantage is at higher speeds.

Abstract: A leading edge section with laminar flow control includes: a perforated outer skin, a perforated inner skin, and a plurality of suction chambers formed between the outer skin and the inner skin. The leading edge section includes a plurality of stringers span-wise arranged at the leading edge section, and integrally formed with the outer skin, such that the inner skin is joined to the stringers. A method for manufacturing a leading edge section integrating a laminar flow control system is described, wherein a perforated inner skin is joined with a perforated outer skin having a plurality of stringers integrally formed with the outer skin, such that suction chambers are defined by a part of the outer skin, a part of the inner skin and a pair of stringers.

Abstract: Systems and methods for cueing a helicopter pilot when a flight parameter (such as rotor-induced vibration level, airspeed, bank angle, icing accumulation, etc.) exceeds operational constraints. This is accomplished by reformulating the on-board cockpit active vibration control system to add a pilot cueing aid. When the measured flight parameter becomes excessive, the active vibration control system is temporarily detuned, which reduces the amount of vibration suppression it provides or turns off vibration suppression, causing an increase in airframe vibration levels to cue the pilot to take action (e.g., to fly within operating limits).

Abstract: The bearing system is configured for treating and reacting dynamic loading within a rotor hub of rotorcraft. The bearing system includes an outer member having a plurality of alternating outer elastomeric layers and shim layers. The outer member has an inboard surface configured for bonding to an inboard bearing support, and the outer member has an outboard surface configured for bonding to an outboard bearing support. The bearing system has an inner member bonded to an interior surface of the outer member. The inner member can include a rigid inner core, as well as a plurality of elastomeric layers and shim layers configured to react torsional movements of the rotor blade.

Abstract: An aircraft includes a rotor blade and a rotor hub system. The rotor hub system includes a lead-lag damper having a rod end and being operably associated with the rotor blade; a blade adapter having a first arm and an opposing second arm; a pin carried by the blade adapter and configured to secure in position via the first arm and the second arm; and an actuator secured to the pin and configured to adjust the position of the lead-lag rod end relative to the first arm and the second arm.

Abstract: A method of manufacturing a control cuff for a rotor blade of a hinge and bearingless rotor. The method comprises at least the steps of: manufacturing an outer shell, manufacturing a stiffener member by means of an automated process, inserting the stiffener member into the outer shell, and bonding the stiffener member to the outer shell.

Abstract: A multi-hull seaplane configured to eliminate most porpoising modes (only the low angle planing remains) by separating the forward and aft hulls and staggering them transversely so as the water flow from the forward hulls does not strike the rear hulls at planing speeds thereby eliminating afterbody induced porpoising. The forward and aft hulls are offset laterally with possible vertical offset and longitudinally to maintain lateral and longitudinal stability over all speed regimes.

Abstract: A vehicle for providing one or more people air and ground transportation includes a body, a wing, and a coupler that attaches the wing to the body. The body is configured to carry one or more people. The wing is moveable from a first position (ground mode) in which the wing does not generate lift as the body moves through the air, to a second position (flight mode) in which the wing does generate lift as the body moves through the air. The coupler is configured to hold the wing in the first and second positions, and to hold the wing as the wing moves from the first position to the second position, during which the wing rotates about a longitudinal axis.

Abstract: An apparatus such as a head-mounted display (HMD) may have a camera for capturing a visual scene for presentation via the HMD. A user of the apparatus may specify a pre-planned travel route for a vehicle within the visual scene via an augmented reality (AR) experience generated by the HMD. The pre-planned travel route may be overlaid on the visual scene in the AR experience so that the user can account for real-time environmental conditions determined through the AR experience. The pre-planned travel route may be transferred to the vehicle and used as autonomous travel instructions.

Abstract: A first and a second aircraft are detachably coupled where the first aircraft is configured to perform a vertical landing using a first battery while the first aircraft is unoccupied and the unoccupied first aircraft includes the first battery. In response to detecting a second, removable battery being detachably coupled to the first aircraft, a power source for the first aircraft is switched from the first battery to the second, removable battery. After the switch, the first aircraft takes off vertically using the second, removable battery while occupied. The detachably coupled first aircraft and second aircraft are flown using the second aircraft (the power to keep the detachably coupled first aircraft and second aircraft airborne comes exclusively from the second aircraft and not the first aircraft).

Abstract: A passenger seat includes a tray table and an amenities module. The passenger seat has at least one first configuration where the amenities module is concealed by the tray table and at least one second configuration where the amenities module is exposed. The tray table is approximately parallel to a seatback surface of the passenger seat in the at least one first configuration and in the at least one second configuration.

Abstract: A passenger seating arrangement including pairings of first and second laterally-adjacent seats, wherein the first and second seats are positioned at different angles relative to a longitudinal aircraft axis and the first and second seats recline to different vertical elevations such that a bed surface of the first seat in a lay flat configuration can overlap a portion of a bed surface of the second seat in a lay flat configuration to maximize seating density.

Abstract: Systems and methods for aerially delivering cargo into a body of water while avoiding parachute entrapment and entanglement are described. The system includes a parachute having a canopy and suspension lines. The system further includes a weight coupled to a first end of the suspension lines and a ring that is configured to float in the body of water. The weight is coupled to the cargo, and the ring is disposed between the weight and the canopy with the suspension lines passing through the center of the ring.

Abstract: Apparatus and methods for supporting human external cargo from the hoist of a hoist-equipped helicopter are provided. The apparatus has at least one personal harness for supporting a user; and at least one harness segment with a top end point attachable to the helicopter hoist through an attachable fitting and at least one bottom end point directly or indirectly attachable to the personal harness. The harness segment, and the personal harness externally support the user from the helicopter hoist and allows the user to be safely suspended from the helicopter in order for work or rescue operations to be administered by the user.

Abstract: A de-icing device is provided that includes a piccolo tube integrated with a front bulkhead for limiting an inner volume of a perforated front lip. The piccolo tube is in contact with a noise reduction cellular structure provided with perforations and hot air circulation channels delivered by the piccolo tube, the de-icing hot air being diffused through the perforations and channels of the cellular structure, on the perforations facing the front lip.

Abstract: A fluid system includes a controller, a control valve, and a fluid manifold. A first solenoid may be connected to the fluid manifold, the control valve, and/or the controller. A second solenoid may be connected to the fluid manifold, the control valve, and/or the controller. A first pressure sensor may be in fluid communication with an output of the control valve. A second pressure sensor may be in fluid communication with the fluid manifold. The controller may be configured to control operation of the control valve via the first solenoid and the second solenoid according to a first fluid pressure obtained via the first pressure sensor and according to a second fluid pressure obtained via the second pressure sensor.

Abstract: Gas-flammability sensing systems and methods may be used to determine the flammability of gas mixtures in measurement volumes such as a fuel tank (e.g., an aircraft fuel tank). Gas-flammability sensing systems include a test cell structured to receive a gas sample, a heater in thermal communication with the test cell, and a gas meter configured to measure a physical property of the gas sample within the test cell related to the combustion state of the gas sample. The heater is configured to heat the gas sample to an elevated temperature less than the autoignition temperature of the gas sample. Methods of determining the flammability of a gas sample include collecting the gas sample, heating the gas sample to the elevated temperature, measuring the physical property of the gas sample after heating, and determining the flammability of a gas sample based upon the measured physical property.

Abstract: A system may include a non-avionics computing device, a data network switch, and avionics computing devices. The non-avionics computing device may be configured to execute a situation awareness program. Each of the avionics computing devices may be communicatively coupled to the data network switch. The avionics computing devices may include a first avionics computing device communicatively coupled to the non-avionics computing device. The first avionics computing device may be configured to: receive avionics data from other of the avionics computing devices; filter the avionics data from the other of the avionics computing devices based on a predetermined relevance to the situation awareness program; and output the filtered avionics data to the non-avionics computing device.

Abstract: A lighting system includes a first light assembly that is configured to emit light periodically. The lighting system further includes a second light assembly that is spaced apart from the first light assembly, the second light assembly also being configured to emit light periodically. The periodic light emitted by the first and second light assemblies is synchronized such that the first and second light assemblies operate in unison to form a single light source.

Abstract: Disclosed herein is a method that comprises acquiring one or more images of a plurality of markers of an off-board target using a camera onboard a rotorcraft, the plurality of markers arranged in a predefined pattern. The method also comprises processing, using an image processor, the one or more images of the plurality of markers to identify the predefined pattern of the plurality of markers. The method further comprises determining guidance information for the rotorcraft relative to the off-board target based on the identified predefined pattern of the plurality of markers, an orientation of the plurality of markers and a relative spacing of the plurality of markers. The method additionally comprises providing the determined guidance information to a display device within a field of view of an operator of the rotorcraft.

Abstract: A collision avoidance system includes a sensor adapted to detect at least one vehicle in the vicinity of a predetermined area and generate target data relating to the at least one vehicle. An awareness engine receives the target data and evaluates the target data for a threat of a collision. An alerting system is adapted to alert the at least one vehicle in the event of a threat of a collision, the alerting system being activated by the awareness engine.

Abstract: A modular staircase is disclosed. The modular staircase includes a first staircase section having a plurality of steps and a first support member detachably connected to the first staircase section. Further, the modular staircase includes a second stair module having a second staircase section including a plurality of steps and a second support member detachably connected to the second staircase section and to the first support member. The modular staircase further includes a third stair module having a third staircase section including a plurality of steps and a retractable third support member detachably connected to the third staircase section and to the second support member. The third support member may be configured to raise or lower the third staircase section relative to the second staircase section.

Abstract: Apparatus, systems, and methods for placing a part may automatically self-align the part relative to a target along multiple axes of movement, such as along the width of the part, and normal to one or more target surfaces of the target. Devices may include one or more installation heads each having a respective retaining portion configured to selectively support and retain the part in association with the respective installation head as the device moves the part from a first location located apart from the target, towards the target. The installation head may be configured to automatically align the part with the target, in response to engagement between one or more part surfaces of the part and one or more target surfaces of the target. The retaining portion may be configured to selectively release the part once the part is automatically aligned with and operatively at the target.

Abstract: An orbit transfer method for a spacecraft using a continuous or quasi-continuous thrust propulsion, the method comprises: the acquisition, at least once in each half-revolution of the spacecraft, of measurements of its position and of its velocity; the computation of a thrust control function as a function of the measurements; and the driving of the thrust in accordance with the control law; wherein the control law is obtained from a Control-Lyapunov function using orbital parameters, preferably equinoctial, of the spacecraft, averaged over at least one half-revolution. An embedded driving system for a spacecraft for implementing such a method and a spacecraft equipped with the driving system are provided.