55results about How to "Solve pressing problems" patented technology

The invention relates to a problematic cable / concentrated load progressive recognition method on the basis of generalized displacement cable power monitoring, which is on the basis of cable power monitoring. Bracket generalized displacement, cable structure temperature and ambient temperature are monitored to determine whether a mechanical calculation reference model of the cable structure needs to be updated, thereby obtaining a mechanical calculation reference model of the cable structure counting in the bracket generalized displacement, cable structure temperature and ambient temperature; and the calculation is performed on the basis of the model to obtain unit-damage monitored quantity value change matrix. The noninferior solution of the evaluated object current nominal damage vector is calculated according to the near linear relationship among the monitored quantity current value, monitored quantity current initial value vector, unit-damage monitored quantity value change matrix and unknown evaluated object current nominal damage vector, thereby eliminating the influence of interference factors and recognizing the concentrated load variation and problematic cable in the presence of bracket generalized displacement and temperature change.

The invention provides a linear displacement progressive type identification method for strain monitoring of a damaged cable and an intensive load. According to the linear displacement progressive type identification method, whether a mechanical calculation reference model of a cable structure needs to be updated or not is determined based on the strain monitoring through monitoring support linear displacement, a temperature of the cable structure, an environment temperature, an integrated load change degree and a damage degree of the damaged cable to obtain a new mechanical calculation reference model of the cable structure, which includes the support linear displacement, the integrated load change degree, the damage degree of the damaged cable and the temperature; when the support linear displacement and the temperature are changed, influences of interference factors are eliminated based on the model according to a similar linear relation of a current numerical value vector of a monitored amount, a current initial numerical value vector of the monitored amount, a monitored amount numerical value change matrix of a unit damage and a current nominal damage vector to be solved, and the change amounts of the damaged cable and the intensive load are identified accurately.

The invention discloses an adjustable bridge rail support comprising an upper rail board and a lower rail board which performs mechanical transmission with the upper rail board via a gear shaft. The steel-concrete composite structure bridge support of the present invention effectively solves the problems of existing steel-concrete composite structure bridge bearings under external load, falling off of roof, overrun of vertical displacement, and limited angle of rotation at locals of girders so that the stress of the steel-concrete composite structure is uneven, and the technical problems suchas fatigue, cracking, and the like of the bridge deck pavement are prone to occur.

The invention relates to an environment-friendly magnesia-chrome brick for steel refining and non-ferrous metal smelting. The magnesia-chrome brick is prepared by the following raw materials in parts by weight: 5 to 25 parts of magnesia sand particles with the particle size of greater than 1 mm and less than or equal to 3 mm, 5 to 15 parts of magnesia sand with the particle size of greater than 0 mm and less than or equal to 0.088 mm, 5 to 25 parts of magnesia-chrome sand with the particle size of greater than 3 mm and less than or equal to 5 mm, 5 to 20 parts of magnesia-chrome sand with the particle size of greater than 1 mm and less than or equal to 3 mm, 10 to 30 parts of magnesia-chrome sand with the particle size of greater than 0 mm and less than or equal to 1 mm, 5 to 15 parts of chrome ore with the particle size of greater than 1 mm and less than or equal to 3 mm, 5 to 15 parts of chrome ore with the particle size of greater than 0 mm and less than or equal to 0.088 mm, 5 to 10 parts of magnesia-chrome waste brick powder with the particle size of greater than 0 mm and less than or equal to 0.088 mm, and 1 to 6 parts of bonding agent. Compared with the prior art, the environment-friendly magnesia-chrome brick for the steel refining and non-ferrous metal smelting has the beneficial effects that the production cost is reduced, economic benefits are remarkable, practical significance and profound historical significance are brought for solving the problems of international industrial cancer, improvement of ecological environment and benefit of human health.

The invention relates to a problematic cable / concentrated load progressive recognition method on the basis of linear displacement angle monitoring, which is based on angle monitoring. Bracket linear displacement, cable structure temperature and ambient temperature are monitored to determine whether a mechanical calculation reference model of the cable structure needs to be updated, thereby obtaining a mechanical calculation reference model of the cable structure counting in the bracket linear displacement, cable structure temperature and ambient temperature; and the calculation is performed on the basis of the model to obtain unit-damage monitored quantity value change matrix. The noninferior solution of the evaluated object current nominal damage vector is calculated according to the near linear relationship among the monitored quantity current value, monitored quantity current initial value vector, unit-damage monitored quantity value change matrix and unknown evaluated object current nominal damage vector, thereby eliminating the influence of interference factors and recognizing the concentrated load variation and problematic cable in the presence of bracket linear displacement and temperature change.

The invention discloses a progressive type damaged rope and concentrated load identification method based on angular displacement strain monitoring. Whether a mechanical calculation reference model of a rope structure is required to be updated can be determined by monitoring an angular displacement of a support, a temperature of the rope structure, an ambient temperature, the change degree of concentrated load and the damage degree of the damaged rope based on strain monitoring, so that a new mechanical calculation reference model taking the angular displacement of the support, the change degree of the concentrated load, the damage degree of the damaged rope and the temperature into consideration is obtained; on the basis of the model, the influence of interference factors can be eliminated according to a similarly linear relation among a current numeric vector of a monitored value and a current initial numeric vector of the monitored value, a unit damage monitored value numeric change matrix as well as a current nominal damage vector to be calculated under the conditions that the angular displacement of the support and the temperature are changed, so that the damaged rope and the change value of the concentrated load can be accurately identified.

The invention relates to a problematic cable / concentrated load progressive recognition method on the basis of linear displacement strain monitoring, which is based on strain monitoring. Bracket linear displacement, cable structure temperature and ambient temperature are monitored to determine whether a mechanical calculation reference model of the cable structure needs to be updated, thereby obtaining a mechanical calculation reference model of the cable structure counting in the bracket linear displacement, cable structure temperature and ambient temperature; and the calculation is performed on the basis of the model to obtain unit-damage monitored quantity value change matrix. The noninferior solution of the evaluated object current nominal damage vector is calculated according to the near linear relationship among the monitored quantity current value, monitored quantity current initial value vector, unit-damage monitored quantity value change matrix and unknown evaluated object current nominal damage vector, thereby eliminating the influence of interference factors and recognizing the concentrated load variation and problematic cable in the presence of bracket linear displacement and temperature change.

The invention provides a linear displacement progressive type identification method for space coordinate monitoring of a damaged cable and an intensive load. According to the linear displacement progressive type identification method, whether a mechanical calculation reference model of a cable structure needs to be updated or not is determined based on the space coordinate monitoring through monitoring support linear displacement, a temperature of the cable structure, an environment temperature, an integrated load change degree and a damage degree of the damaged cable to obtain a new mechanical calculation reference model of the cable structure, which includes the support linear displacement, the integrated load change degree, the damage degree of the damaged cable and the temperature; when the support linear displacement and the temperature are changed, influences of interference factors are eliminated based on the model according to a similar linear relation of a current numerical value vector of a monitored amount, a current initial numerical value vector of the monitored amount, a monitored amount numerical value change matrix of a unit damage and a current nominal damage vector to be solved, and the change amounts of the damaged cable and the intensive load are identified accurately.

The invention relates to a problematic cable / concentrated load progressive recognition method on the basis of generalized displacement angle monitoring, which is based on angle monitoring. Bracket generalized displacement, cable structure temperature and ambient temperature are monitored to determine whether a mechanical calculation reference model of the cable structure needs to be updated, thereby obtaining a mechanical calculation reference model of the cable structure counting in the bracket generalized displacement, cable structure temperature and ambient temperature; and the calculation is performed on the basis of the model to obtain unit-damage monitored quantity value change matrix. The noninferior solution of the evaluated object current nominal damage vector is calculated according to the near linear relationship among the monitored quantity current value, monitored quantity current initial value vector, unit-damage monitored quantity value change matrix and unknown evaluated object current nominal damage vector, thereby eliminating the influence of interference factors and recognizing the concentrated load variation and problematic cable in the presence of bracket generalized displacement and temperature change.

The invention discloses a progressive indentifying method for a problem cable and concentrated loads based on mixture monitoring in time of angular displacement. The identifying method determines whether the mechanical calculation reference model needs to be updated or not based on the mixture monitoring through monitoring the support angular displacement, cable structure temperature and environmental temperature, so that a mechanical calculation reference mode, considering the support angular displacement, the cable structure temperature and the environmental temperature, of a cable structure is obtained. On the basis of the model, a unit damage monitored parameter numerical value matrix is obtained through calculation. According to the approximate linear relation existing between the current numerical value vector of monitored coordinates and the current initial numerical value vector of the monitored coordinates, the unit damage monitored coordinate numerical value change matrix and a current evaluated object nominal damage vector to be solved, the non-inferior solution of the current evaluated object nominal damage vector is calculated, and therefore when the support angular displacement and temperature changes happen, influences of interference factors can be removed, and the variable quantity of concentrated loads and the problem cable can be identified.

The invention discloses a progressive type damaged rope and concentrated load identification method based on hybrid angular displacement monitoring. Whether a mechanical calculation reference model of a rope structure is required to be updated can be determined by monitoring an angular displacement of a support, a temperature of the rope structure, an ambient temperature, the change degree of concentrated load and the damage degree of the damaged rope based on hybrid monitoring, so that a new mechanical calculation reference model taking the angular displacement of the support, the change degree of the concentrated load, the damage degree of the damaged rope and the temperature into consideration is obtained; on the basis of the model, the influence of interference factors can be eliminated according to a similarly linear relation among a current numeric vector of a monitored value and a current initial numeric vector of the monitored value, a unit damage monitored value numeric change matrix as well as a current nominal damage vector to be calculated under the conditions that the angular displacement of the support and the temperature are changed, so that the damaged rope and the change value of the concentrated load can be accurately identified.

The invention provides a linear displacement progressive type identification method for cable force monitoring of a damaged cable and an intensive load. According to the linear displacement progressive type identification method, whether a mechanical calculation reference model of a cable structure needs to be updated or not is determined based on the cable force monitoring through monitoring support linear displacement, a temperature of the cable structure, an environment temperature, an integrated load change degree and a damage degree of the damaged cable to obtain a new mechanical calculation reference model of the cable structure, which includes the support linear displacement, the integrated load change degree, the damage degree of the damaged cable and the temperature; when the support linear displacement and the temperature are changed, influences of interference factors are eliminated based on the model according to a similar linear relation of a current numerical value vector of a monitored amount, a current initial numerical value vector of the monitored amount, a monitored amount numerical value change matrix of a unit damage and a current nominal damage vector to be solved, and the change amounts of the damaged cable and the intensive load are identified accurately.

A defective cable concentrated load progressive type recognition method in the process of a linear displacement is based on spatial coordinate monitoring. The method comprises the steps of monitoring the support linear displacement, cable structure temperature and environmental temperature to determine whether a mechanical calculation benchmark model for a cable structure needs to be updated, obtaining the mechanical calculation benchmark model of the cable structure, wherein the support linear displacement, the cable structure temperature and the environmental temperature are considered, and calculating to obtain a unit damage monitored amount numerical change matrix based on the mechanical calculation benchmark model. A non-inferior solution of the current nominal damage vector of an evaluated object is figured out according to the approximate linear relationship between the monitored amount current value vector and the monitored amount current initial value vector and according to the approximate linear relationship between the unit damage monitored amount numerical change matrix and the current nominal damage vector of the evaluated object to be solved. In this way, when the support linear displacement and the temperature are changed, the influence caused by interference factors can be eliminated, and the variable quantity of concentrated loads and the defective cables are recognized.

The invention relates to a problematic cable / concentrated load progressive recognition method on the basis of linear displacement cable power monitoring, which is based on cable power monitoring. Bracket linear displacement, cable structure temperature and ambient temperature are monitored to determine whether a mechanical calculation reference model of the cable structure needs to be updated, thereby obtaining a mechanical calculation reference model of the cable structure counting in the bracket linear displacement, cable structure temperature and ambient temperature; and the calculation is performed on the basis of the model to obtain unit-damage monitored quantity value change matrix. The noninferior solution of the evaluated object current nominal damage vector is calculated according to the near linear relationship among the monitored quantity current value, monitored quantity current initial value vector, unit-damage monitored quantity value change matrix and unknown evaluated object current nominal damage vector, thereby eliminating the influence of interference factors and recognizing the concentrated load variation and problematic cable in the presence of bracket linear displacement and temperature change.

Disclosed is a method for recognizing concentrated loads of a damaged cable progressively under the condition of generalized displacement based on space coordinate monitoring. Based on space coordinate monitoring, whether a mechanical calculation reference model of a cable structure needs updating or not is determined by monitoring the generalized displacement of a support, the temperature of the cable structure and an environment temperature to obtain a new mechanical calculation reference model, where the generalized displacement of the support, the temperature of the cable structure and the environment temperature are reckoned, of the cable structure, and a unit damage monitored quantity numerical value change matrix is obtained through calculation based on the new mechanical calculation reference model. The non-inferior solution of a current nominal damage vector of an evaluated object is worked out according to the approximately-linear relation between a current numerical value vector of a monitored quantity and a current initial numerical value vector of the monitored quantity, the unit damage monitored quantity numerical value change matrix and the current nominal damage vector, to be worked out, of the evaluated object. In this way, under the condition of the generalized displacement of the support and temperature variation, influences of interference factors can be eliminated so as to recognize the variation of the concentrated loads and the damaged cable.

The invention relates to an angular displacement strain monitoring identification method for a defective cable and concentrated loads. On the basis of strain monitoring, whether a mechanical calculation reference model of a cable structure needs to be updated or not is determined by monitoring the angular displacement of a supporting base, the temperature of the cable structure and environment temperature, a mechanical calculation reference model of the cable structure taking the angular displacement of the supporting base, the temperature of the cable structure and the environment temperature into account is obtained, and a value change matrix of unit damage monitored quantities is obtained through calculation on the basis of the model. According to the approximate linear relations between the current numeric vectors of the monitored quantities and the current initial numeric vectors of the monitored quantities, the value change matrix of the monitored unit damage quantities and the current nominal damage vectors of evaluation objects to be solved, the non-inferior solution of the current nominal damage vectors of the evaluation objects is calculated out. Accordingly, the effects of interference factors can be eliminated when the angular displacement of the supporting base and the temperatures change, and the variable quantities of the concentrated loads and the defective cable can be identified.

The invention discloses an identifying method for a damaged cable and concentrated loads based on space coordinate monitoring in time of angular displacement. The identifying method determines whether the mechanical calculation reference mode of a cable structure needs to be updated or not based on the space coordinate monitoring through monitoring the support angular displacement, cable structure temperature and environmental temperature, so that a mechanical calculation reference mode, considering the support angular displacement, the cable structure temperature and the environmental temperature, of the cable structure is obtained. On the basis of the model, a unit damage measured coordinate numerical value change matrix is obtained through calculation. According to the approximate linear relation existing between the current numerical value vector of monitored coordinates and the current initial numerical value vector of the monitored coordinates, the unit damage monitored coordinate numerical value change matrix and a current evaluated object nominal damage vector to be solved, the non-inferior solution of the current evaluated object nominal damage vector is calculated, and therefore when the support angular displacement and temperature changes happen, influences of interference factors can be removed, and the variable quantity of concentrated loads and the damaged cable can be identified.

The invention discloses a generalized displacement strain monitoring progressive identification method for a defective cable and concentrated loads. On the basis of strain monitoring, whether a mechanical calculation reference model of a cable structure needs to be updated or not is determined by monitoring generalized displacement of a supporting seat, temperature of the cable structure and environment temperature, a mechanical calculation reference model of the cable structure taking the generalized displacement of the supporting seat, the temperature of the cable structure and the environment temperature into consideration is obtained, and on the basis of the model, a numerical value changing matrix of unit damage monitored quantities is obtained through calculation. According to the approximate linear relation between current numeric vectors of monitored quantities, current initial numeric vectors of the monitored quantities, the numerical value changing matrix of the unit damage monitored quantities, and current nominal damage vectors of evaluated objects to be solved, the non-inferior solution of the current nominal damage vectors of the evaluated objects to be solved is calculated, accordingly, influences of interference factors can be eliminated when the generalized displacement of the supporting seat exists and the temperature changes, and variable quantities of the concentrated loads and the defective cable can be identified.

The invention discloses a method for identifying concentrated loads of damaged cables in the linear displacement process based on strain monitoring. The method is based on strain monitoring and includes the steps that whether a mechanical calculation reference model of a cable structure needs to be updated or not is determined by monitoring linear displacement of a support, the temperature of the cable structure and the environmental temperature, and the mechanical calculation reference model, including the linear displacement of the support, the temperature of the cable structure and the environmental temperature, of the cable structure is obtained; unit damage monitored quantity value variation matrixes are calculated based on the model; non-inferior solutions of current nominal damage vectors of evaluated objects are calculated according to current value vectors of monitored quantities, current initial value vectors of the monitored quantities, the unit damage monitored quantity value variation matrixes and approximate linear relations among the current nominal damage vectors of the evaluated objects to be gained. When the linear displacement of the support and the temperature change, the influence of interference factors can be eliminated, and concentrated load variable quantities and the damaged cables can be identified.

The invention discloses a generalized displacement strain monitoring identification method for a defective cable and concentrated loads. On the basis of strain monitoring, whether a mechanical calculation reference model of a cable structure needs to be updated or not is determined by monitoring generalized displacement of a supporting seat, temperature of the cable structure and environment temperature, a mechanical calculation reference model of the cable structure taking the generalized displacement of the supporting seat, the temperature of the cable structure and the environment temperature into consideration is obtained, and on the basis of the model, a numerical value changing matrix of unit damage monitored quantities is obtained through calculation. According to the approximate linear relation between current numeric vectors of monitored quantities, current initial numeric vectors of the monitored quantities, the numerical value changing matrix of the unit damage monitored quantities, and current nominal damage vectors of evaluated objects to be solved, the non-inferior solution of the current nominal damage vectors of the evaluated objects to be solved is calculated, accordingly, influences of interference factors can be eliminated when the generalized displacement of the supporting seat exists and the temperature changes, and variable quantities of the concentrated loads and the defective cable can be identified.

A damaged cable concentrated load recognition method in the process of a linear displacement is based on hybrid monitoring. The method comprises the steps of monitoring the support linear displacement, cable structure temperature and environmental temperature to determine whether a mechanical calculation benchmark model for a cable structure needs to be updated, obtaining the mechanical calculation benchmark model of the cable structure, wherein the support linear displacement, the cable structure temperature and the environmental temperature are considered, and calculating to obtain a unit damage monitored amount numerical change matrix based on the mechanical calculation benchmark model. A non-inferior solution of the current nominal damage vector of an evaluated object is figured out according to the approximate linear relationship between the monitored amount current value vector and the monitored amount current initial value vector and according to the approximate linear relationship between the unit damage monitored amount numerical change matrix and the current nominal damage vector of the evaluated object to be solved. In this way, when the support linear displacement and the temperature are changed, the influence caused by interference factors can be eliminated, and the variable quantity of concentrated loads and the damaged cables are recognized.

The invention relates to a problematic cable / concentrated load recognition method on the basis of generalized displacement hybrid monitoring, which is based on hybrid monitoring. Bracket generalized displacement, cable structure temperature and ambient temperature are monitored to determine whether a mechanical calculation reference model of the cable structure needs to be updated, thereby obtaining a mechanical calculation reference model of the cable structure counting in the bracket generalized displacement, cable structure temperature and ambient temperature; and the calculation is performed on the basis of the model to obtain unit-damage monitored quantity value change matrix. The noninferior solution of the evaluated object current nominal damage vector is calculated according to the near linear relationship among the monitored quantity current value, monitored quantity current initial value vector, unit-damage monitored quantity value change matrix and unknown evaluated object current nominal damage vector, thereby eliminating the influence of interference factors and recognizing the concentrated load variation and problematic cable in the presence of bracket generalized displacement and temperature change.

The invention discloses a progressive identifying method for a problem cable and concentrated loads based on cable force monitoring in time of angular displacement. The identifying method determines whether the mechanical calculation reference mode of a cable structure needs to be updated or not based on the cable force monitoring through monitoring the support angular displacement, cable structure temperature and environmental temperature, so that a mechanical calculation reference mode, considering the support angular displacement, the cable structure temperature and the environmental temperature, of the cable structure is obtained. On the basis of the model, a unit damage monitored cable force numerical value change matrix is obtained through calculation. According to the approximate linear relation existing between the current numerical value vector of monitored cable force and the current initial numerical value vector of the monitored cable force, the unit damage monitored cable force numerical value change matrix and a current evaluated object nominal damage vector to be solved, the non-inferior solution of the current evaluated object nominal damage vector is calculated, and therefore when the support angular displacement and temperature changes happen, influences of interference factors can be removed, and the variable quantity of concentrated loads and the problem cable can be identified.

The invention discloses a method for identifying concentrated loads of damaged cables in the linear displacement process based on cable force monitoring. The method is based on cable force monitoring and includes the steps that whether a mechanical calculation reference model of a cable structure needs to be updated or not is determined by monitoring linear displacement of a support, the temperature of the cable structure and the environmental temperature, and the mechanical calculation reference model, including the linear displacement of the support, the temperature of the cable structure and the environmental temperature, of the cable structure is obtained; unit damage monitored quantity value variation matrixes are calculated based on the model; non-inferior solutions of current nominal damage vectors of evaluated objects are calculated according to current value vectors of monitored quantities, current initial value vectors of the monitored quantities, the unit damage monitored quantity value variation matrixes and approximate linear relations among the current nominal damage vectors of the evaluated objects to be gained. When the linear displacement of the support and the temperature change, the influence of interference factors can be eliminated, and concentrated load variable quantities and the damaged cables can be identified.

The invention discloses an identifying method for a damaged cable and concentrated loads based on mixture monitoring in time of angular displacement. The identifying method determines whether the mechanical calculation reference mode of a cable structure needs to be updated or not based on the mixture monitoring through monitoring the support angular displacement, cable structure temperature and environmental temperature, so that a mechanical calculation reference model, considering the support angular displacement, the cable structure temperature and the environmental temperature, of the cable structure is obtained. On the basis of the model, a unit damage monitored parameter numerical value change matrix is obtained through calculation. According to the approximate linear relation existing between the current numerical value vector of monitored parameters and the current initial numerical value vector of the monitored parameters, the unit damage monitored parameter numerical value change matrix and a current evaluated object nominal damage vector to be solved, the non-inferior solution of the current evaluated object nominal damage vector is calculated, and therefore when the support angular displacement and temperature changes happen, influences of interference factors can be removed, and the variable quantity of concentrated loads and the damaged cable can be identified.

The invention relates to a damaged cable / concentrated load recognition method on the basis of angular displacement strain monitoring, which is based on strain monitoring. Bracket angular displacement, cable structure temperature and ambient temperature are monitored to determine whether a mechanical calculation reference model of the cable structure needs to be updated, thereby obtaining a mechanical calculation reference model of the cable structure counting in the bracket angular displacement, cable structure temperature and ambient temperature; and the calculation is performed on the basis of the model to obtain unit-damage monitored quantity value change matrix. The noninferior solution of the evaluated object current nominal damage vector is calculated according to the near linear relationship among the monitored quantity current value, monitored quantity current initial value vector, unit-damage monitored quantity value change matrix and unknown evaluated object current nominal damage vector, thereby eliminating the influence of interference factors and recognizing the concentrated load variation and damaged cable in the presence of bracket angular displacement and temperature change.

Disclosed is a method for recognizing concentrated loads of a damaged cable under the condition of generalized displacement based on angle monitoring. Based on angle monitoring, whether a mechanical calculation reference model of a cable structure needs updating or not is determined by monitoring the generalized displacement of a support, the temperature of the cable structure and an environment temperature to obtain a new mechanical calculation reference model, where the generalized displacement of the support, the temperature of the cable structure and the environment temperature are reckoned, of the cable structure, and a unit damage monitored quantity numerical value change matrix is obtained through calculation based on the new mechanical calculation reference model. The non-inferior solution of a current nominal damage vector of an evaluated object is worked out according to the approximately-linear relation between a current numerical value vector of a monitored quantity and a current initial numerical value vector of the monitored quantity, the unit damage monitored quantity numerical value change matrix and the current nominal damage vector, to be worked out, of an evaluated object. In this way, under the condition of generalized displacement of the support and temperature variation, influences of interference factors can be eliminated so as to recognize the variation of the concentrated loads and the damaged cable.

The invention discloses a progressive defective-cable and concentrated-load recognition method based on mixed monitoring during linear displacement. According to the method based on mixed monitoring, whether to update mechanics calculation reference models of cable structures or not is determined by monitoring linear displacement of supports, temperature of the cable structures and environment temperature to acquire new mechanics calculation reference models, including the linear displacement of the supports, the temperature of the cable structures and the environment temperature, of the cable structures; numerical-value change matrixes of unit damage monitored amount are acquired through calculation on the basis of the new models; non-inferior solutions of current nominal damage vectors of evaluated objects are calculated according to approximate linear relationships between current numerical-value vectors of monitored amount and current initial numerical-value vectors of the monitored amount, the numerical-value change matrixes of the unit damage monitored amount as well as to-be-solved current nominal damage vectors of the evaluated objects, and thus influences of interference factors can be eliminated and concentrated-load variation and defective cables can be recognized on the conditions of linear displacement of the supports and temperature variation.

The invention discloses a progressive identifying method for a problem cable and concentrated loads based on space coordinate monitoring in time of angular displacement. The identifying method determines whether the mechanical calculation reference mode of a cable structure needs to be updated or not based on the space coordinate monitoring through monitoring the support angular displacement, cable structure temperature and environmental temperature, so that a mechanical calculation reference mode, considering the support angular displacement, the cable structure temperature and the environmental temperature, of the cable structure is obtained. On the basis of the model, a unit damage monitored coordinate numerical value change matrix is obtained through calculation. According to the approximate linear relation existing between the current numerical value vector of monitored coordinates and the current initial numerical value vector of the monitored coordinates, the unit damage monitored coordinate numerical value change matrix and a current evaluated object nominal damage vector to be solved, the non-inferior solution of the current evaluated object nominal damage vector is calculated, and therefore when the support angular displacement and temperature changes happen, influences of interference factors can be removed, and the variable quantity of concentrated loads and the problem cable can be identified.