32results about How to "Reduced ride comfort" patented technology

The invention discloses a radar and video information fusing method applied to an advanced emergency brake system. A mode of combining confidence level evaluation and matching is adopted to determine a true barrier target; confidence level evaluation is used for enabling targets obtained through radars and videos to be scientifically and effectively screened out; a matching link is added, and the accuracy of the targets is further determined; for the targets which cannot be matched and are above trust values, early warning is still carried out, and rationality of the targets is reserved; the false alarm is effectively reduced; compared with an existing fusion method, rationality of signals detected by the radars and the videos can be completely, scientifically and effectively reserved, different measures are adopted in signals with different confidence levels, and therefore the performance of the advanced emergency brake system is importantly improved. Rationality of radar and video information is effectively reserved, and therefore real complementation of the radar and video information is achieved.

The invention discloses a driving-and-braking-optimal-switching electric-automobile adaptive cruise control method. The driving-and-braking-optimal-switching electric-automobile adaptive cruise control method includes the following steps that ideal driving-and-braking torque and the driving-and-braking switching rule are calculated through an upper controller; the ideal driving-and-braking torque is distributed on four wheels through a lower controller. According to the driving-and-braking-optimal-switching electric-automobile adaptive cruise control method, the driving-and-braking-optimal-switching adaptive cruise control strategy is designed and converted into a real-time mixed-integer nonlinear programming proposition through the upper controller according to the current road environment and the driving requirements, the proposition is solved through the double-nesting solving algorithm based on the modified genetic algorithm, and the driving-and-braking switching rule and the corresponding driving/braking controlling torque are obtained. The torque is distributed by the lower controller to hub motors through vertical loads according to the ideal driving-and-braking torque calculated by the upper controller to allow wheels to harmoniously run. The number of actions of a driving actuator and a braking actuator is reduced, and the wheels tend to be in the best working state accordingly.

The invention discloses a remotely-controllable automobile cooling seat which is composed of an automobile seat body, a refrigeration device, an energy supply device and a control device. A cushion with air holes is arranged on the surface of the automobile seat body. The automobile seat body is internally provided with a ventilation pipeline and a ventilation opening. According to the refrigeration device, the semiconductor refrigeration technology is adopted, a radiation system composed of a bendable heat pipe, a fin-type radiating fin and an axial flow fan is arranged at the hot end of a semiconductor refrigeration chip, and the radiation strength is enhanced. The energy supply device is composed of a solar photovoltaic panel, a battery manager, a storage battery and a driving module, and absorbed solar energy is converted into electric energy to the maximum extent. Meanwhile, a temperature sensor is adopted to conduct real-time temperature sampling, a GSM module is adopted to be communicated with a core processor, and the functions of rapid remote control over the automobile seat temperature and short message reminding through mobile phone short messages are achieved. The remotely-controllable automobile cooling seat is simple in structure, efficient in operation and environmentally friendly and saves energy, the problem that the automobile seat is burning due to parking for a long time when it is hot is solved, and the riding comfort is improved.

The invention discloses a method for detecting idle objects in an elevator car based on image semantic segmentation. The method comprises the following steps that when a camera in the elevator car is installed for the first time or the angle of the camera at the later stage is adjusted, the floor area of the elevator car is marked through a tool; when an elevator door is completely closed, a picture is grabbed through the camera at the top of the elevator car so as to obtain the floor area of the elevator car; when the door continues to be kept closed, a time interval is set, one-time picture grabbing and analysis are carried out every other period of time, the area of the floor area of the elevator car is continuously measured, and the result is stored; according to the stored multiple measurement results, the floor area of the elevator car, which is obtained by image semantic segmentation, is compared with the floor area calibrated by a maintenance personnel, if the average value of the floor area of the elevator car is larger than a set threshold value, it is indicated that the idle objects exist in the elevator car, and if the average value of the floor area of the elevator car is smaller than the set threshold value, it is indicated that no object exists; and according to the detection result and the door opening and closing situation, the time length of the existence of the objects during the continuous door closing period is obtained.

A saddle cushion of motorcycle is arranged on the top of baggage case to define a baggage containing space and is composed of a bottom plate unit with two arc rocker-arms pivoted to its bottom end, and a main body of saddle cushion laying on said bottom plate unit. Its advantages are comfortable riding and large volume of baggage case.

The present invention relates to an elevator control device, thus when a load detected by a sensor is different with the real load, and a motor has no strength or energy to spare, through a driving control of an elevator or vibration is generated, the reduction of riding comfortable degree and elevator faults will be avoided. Preset torque instruction value of load driving when the elevator is assembled is recorded as an initial value, torque instruction value during the driving process of the elevator is also recorded, and the initial value is compared with the torque instruction value of the driving process. When the load is within a certain area comprising the balance load, when the torque instruction value of the driving process is above the initial value, the driving is judged as abnormal, and the loading scope changing the driving speed of the elevator can be changed. Moreover, within the nearby restricted certain scope comprising loading rate of 50%, the driving is judged as abnormal, the changing of the driving speed of the elevator is prohibited within the whole scope of the load.

The invention provides a control method of a cooling system and a vehicle. The control method of the cooling system comprises the steps that S1, the water temperature of an engine is determined; and S2, flow distribution of coolants in a bypass loop, a large circulation loop and an engine oil cooler loop is controlled according to the water temperature of the engine. According to the control method of the cooling system, oil consumption can be effectively reduced, emissions can be reduced, and taking comfort can be improved.

The invention belongs to the technical field of tire performance optimization, and discloses an inflation-free tire finite element simulation and performance optimization method which comprises the following steps: fitting tire rubber uniaxial tensile test data based on ABAQUS professional software, establishing a finite element model of an inflation-free tire, and carrying out finite element analysis on a supporting structure and a tread part of the tire. By increasing the arc radius of the non-pneumatic tire hole and reducing the number of the non-pneumatic tire supporting structures, the stress-strain concentration phenomenon can be effectively weakened, the fatigue damage probability of the supporting structures is reduced, and the performance of the non-pneumatic supporting structuresis improved. The hard elastomer layer with certain width and thickness is added between the supporting structure and the tread, so that the performance of the supporting structure of the non-pneumatic tire can be improved, the ground contact stress is uniformly distributed, and the ground contact performance of the non-pneumatic tire is improved. The optimal combination of the non-pneumatic tireis obtained by designing an orthogonal test, and the supporting structure and the grounding performance of the optimal combination non-pneumatic tire are greatly improved.

The invention discloses a front cabin frame assembly adopting a forked front girder assembly, which comprises a front anti-collision beam, an auxiliary frame assembly and the forked front girder assembly fixed on the rear sides of the left end part and the right end part of the front anti-collision beam, and the forked front girder assembly comprises a front girder assembly, a front carriage outerside longitudinal beam angle plate and a front floor cross beam extension piece, a front carriage outer side longitudinal beam angle plate extends and is fixed from the outer side of the middle-frontportion of the front girder assembly to the inner side of the threshold, a front floor cross beam extending piece extends and is fixed from the inner side of the middle-rear portion of the front girder assembly to the middle channel longitudinal beam, and the end of the auxiliary frame assembly is detachably fixed to the upper side of the middle of the corresponding front girder assembly. The ends of the auxiliary frame assembly are located on the front sides of the corresponding front carriage outer side longitudinal beam angle plates and the corresponding front floor cross beam extending pieces respectively. According to the forecabin frame assembly adopting the forked type front girder assembly, the problem that the force transmission path of a front collision girder area of a vehicleis single is solved, stress concentration of an auxiliary frame assembly during front collision is avoided, and riding comfort is guaranteed.

The invention relates to a double-power-flow gear transmission. The double-power-flow gear transmission comprises a transmission shell. A first input shaft is borne in the transmission shell and is connected with a second power device. The first input shaft is fixedly connected with a hollow shaft first-gear gear and a hollow shaft third-gear gear. A second input shaft penetrates the first input shaft and is connected with a first power device. The second input shaft is matched with an input shaft second-gear gear in a clearance sleeving manner. An output shaft and the second input shaft are located on the same axis. The output shaft is fixedly connected with an output shaft gear. The second input shaft is provided with a first synchronizer. The middle shaft is sleeved with a middle shaftfirst-gear gear and a middle shaft third-gear gear in a clearance manner. A middle shaft second-gear gear and a middle shaft constant mesh gear are fixedly connected. A second synchronizer is fixed tothe middle shaft. The middle shaft first-gear gear and the hollow shaft first-gear gear are engaged. The middle-shaft second-gear gear and the input shaft second-gear gear are engaged. The middle shaft third-gear gear and the hollow shaft third-gear gear are engaged. The middle shaft constant mesh gear and the output shaft gear are engaged.

The invention discloses a fixed tire internal pressure reporting device with simple structure and excellent reliability, responsiveness and durability, and a wheel rim and tire set using the device. The tire internal pressure notification device is composed of a main body mounted on the rim and an indicator that bears the tire internal pressure. The indicator is used to report the internal pressure of the tire, and a bearing is provided to separate the inner tube around the indicator from the rim. The pressure member notifies the internal pressure of the tire by deformation or movement of the above-mentioned indicator. While the above-mentioned rim and tire group has the internal pressure reporting device of the above-mentioned tire, a main body is also installed on the above-mentioned rim, and a valve main body for sealing air is installed on the above-mentioned main body.