摘要:
A vehicle turn-over determination apparatus includes a turn-over sensor, a memory, a determination processor, and a road-surface detector. The turn-over sensor detects a value of a turn-over angle or a turn-over velocity of a vehicle. The determination processor performs the determination of the turn-over of the vehicle on the basis of the value detected by the turn-over sensor and the determination-threshold information held in the memory. The road-surface detector detects a road surface that is present in a traveling direction of the vehicle. The determination processor varies the determination-threshold information acquired from the memory in accordance with an inclination of the road surface detected by the road-surface detector, and thereby generates adjusted-threshold information adjusted in accordance with the inclination of the road surface. The determination processor compares the adjusted-threshold information and the detected value with each other, and thereby perform the determination of the turn-over of the vehicle.
摘要:
A work vehicle includes a frame assembly and an attachment assembly. The attachment assembly has an attachment end pivotally connected to the frame assembly and a distal end configured for receiving a variable load. At least one force sensor senses at least one force associated with the attachment end. The at least one force sensor provides an output signal representing the sensed at least one force. An inclination sensor senses an inclination associated with the frame assembly and provides an output signal representing the sensed inclination. An electrical processing circuit is configured for receiving the output signal from the at least one force sensor, determining a value of a couple at the frame assembly which is associated with the sensed at least one force, comparing the couple with a threshold value which is dependent on the sensed inclination, and controlling the controllable output dependent on the comparison.
摘要:
According to embodiments of the invention, systems, methods and devices are directed to a shopping cart with safety features which prevent or reduce the risk of injury caused to those using the cart as well as those in the vicinity of the shopping cart. A wheelbase of the shopping cart may have a set of wheels. Each wheel may have an airbag stored therein. The airbag may be deployable from any one of the wheels such the wheel is engulfed, fully or partially, within the inflated airbag. A pressure sensor may be attached to each of the wheels. The pressure sensor may constantly monitor the force being exerted in the wheel in order to identify moments when the traction may be comprised or when the cart may be at risk of toppling over. A speed or velocity sensor is attached to the wheelbase to monitor and detect for excessive speeds. The airbags may be inflatable by one or more compressed air or compressed gas cylinders or vessels.
摘要:
A method for activating safety systems of a motor vehicle, the method including the steps of: monitoring signals from at least one vehicle sensor; analysing the signals from the at least one sensor to determine that the vehicle appears to be involved in a particular one of a plurality of pre-defined “run off the road” events: confirming the determination by analysing signals from at least one different vehicle sensor, performing a different analysis on the signals from the at least one sensor, or analysing signals from the at least one sensor over a predetermined period of time; where a detection is confirmed, estimating the severity of the event; and based on a confirmed determination that the vehicle is involved in a particular event, and the estimated severity of the event, selecting one or more vehicle safety systems to be activated to protect an occupant of the vehicle.
摘要:
A roll over detector for a vehicle is disclosed, which includes a roll over phenomenon detecting circuit that detects a roll over phenomenon of the vehicle based on a relationship between at least a type of physical quantity representative of a roll state of the vehicle and a predetermined threshold; a reacting roll phenomenon detecting circuit that detects a reacting roll phenomenon of the vehicle based on a predetermined criterion, which reacting roll phenomenon occurs in reaction to the roll phenomenon in an opposite direction; and a threshold changing circuit that changes the predetermined threshold from a first threshold to a second threshold so that the roll over phenomenon becomes difficult to be detected by the roll over phenomenon detecting circuit if the reacting roll phenomenon is detected by the reacting roll phenomenon detecting circuit.
摘要:
A method is for determining a geometric vehicle inclination α of a motor vehicle, where an acceleration signal of at least one acceleration sensor is used and a speed gradient dv/dt is determined from a measured vehicle speed v, where a) in the case of a moving or standing vehicle, an acceleration value aS is derived from a force acting on the acceleration sensor, b) a corrected acceleration value akorr is determined as a function of the speed gradient dv/dt, and c) the current vehicle inclination α is directly deduced from the corrected acceleration value akorr. In addition, a device for implementing a method to determine a geometric vehicle inclination α of a motor vehicle, the device includes a speed-measuring device and at least one acceleration sensor, a programmable and readable microcontroller being provided, with the aid of which the current vehicle inclination a may be calculated from the values of the speed-measuring device and the acceleration sensor at a vehicle speed v of the vehicle greater than or equal to zero, and directly transmitted to at least one control unit.
摘要:
Method for the triggering of a safety device in a motor vehicle in a rollover process, wherein the rotation rate signals ω generated by a rotation rate sensor are evaluated for the recognition of the rollover process of the motor vehicle about one of its axes. In that regard, predominantly roll bars, side airbags, and belt tensioners come into consideration as safety devices. The object of the invention consists in presenting a method for the triggering of a safety device, without, however, simultaneously suffering an impairment of the safe and reliable recognizing of a tip-over. According to the invention, low-pass filtered rotation rate signals are compared with an adjustable threshold value, whereby this threshold value is generated dependent on the integrated rotation rate signal. In that regard, the low-pass filtering occurs with a limit frequency, with which the signal components of the rotation rate signal characteristic for a rollover process remain unfiltered.
摘要:
A device for detecting rollover includes a stereo camera in the direction of travel. The camera allows the distance to an object outside the vehicle to be measured, and, in each instance, image vectors to this object are calculated. If the vertical component of these image vectors now changes over time, then a rollover event is detected as a function of this change.
摘要:
A method for determining an absolute rotational angle of an object that is rotating about an approximately horizontal rotational axis, includes steps of: determining a change in a rotational angle of the object occurring during a time interval; determining an acceleration component acting in a direction of a vertical axis of the object; determining a change, occurring during the time interval, in the acceleration component acting in the direction of the vertical axis of the object; and calculating the absolute rotational angle of the object from the change in the rotational angle and the change in the acceleration component acting in the direction of the vertical axis of the object. A device constructed to perform the method does not necessarily require expensive, high-stability acceleration sensors. Sensors of a simple design can be used instead.
摘要:
Control systems and methods for controlling a vehicle-occupant protecting apparatus that includes two vehicle-occupant protecting devices which are disposed on respective right and left sides of an automotive vehicle, are operable to determine whether the vehicle has a rollover motion, on the basis of a physical quantity or quantities indicative of a running condition of the vehicle, and, upon determination that the vehicle has said rollover motion, to operate only the vehicle-occupant protecting device(s) located on a rolling side of the vehicle. When the detected rollover motion is expected to develop into a serious rollover motion, non-rolling-side vehicle-occupant protecting device(s) is located on a non-rolling side of the vehicle is operated. Thus, the control system and method permit adequate operations of the vehicle-occupant protecting devices depending upon the rollover state of the vehicle.